Safety precautions

1. General Provisions

1.1. Occupational safety instructions for the cleaning operator Wastewater is the main document establishing for workers the rules of behavior at work and the requirements for the safe performance of work.

1.2. Knowledge of the Labor Safety Instructions is mandatory for workers of all categories and skill groups, as well as their immediate supervisors.

1.3. The administration of the enterprise (shop) is obliged to create conditions at the workplace that meet labor safety rules, provide workers with protective equipment and organize their study of this Instruction on labor protection.

At each enterprise, there should be developed and brought to the attention of all personnel safe routes routes through the territory of the enterprise to the place of work and evacuation plans in case of fire and emergency.

1.4. Each worker must:

• comply with the requirements of these Instructions;
• immediately inform your immediate supervisor, and in his absence, your superior manager, about the accident that has occurred and about all violations of the requirements of the Instructions noticed by him, as well as about malfunctions of structures, equipment and protective devices;
• remember personal responsibility for failure to comply with safety requirements;
• keep clean and tidy workplace and equipment;
• ensure safety at your workplace protective equipment, tools, devices, fire extinguishing equipment and labor protection documentation.

It is prohibited to carry out orders that contradict the requirements of this Instruction and the “Safety Rules for the Operation of Electrical Installations” (PTB) - M.: Energoatomizdat, 1987.

2. General requirements security

2.1. To work on this working profession Persons at least 18 years of age who have passed a preliminary medical examination and have no contraindications to perform the above work are allowed.

2.2. When hired, a worker must undergo induction training. Before admission to independent work the worker must pass:

• initial training at the workplace;
• testing knowledge of this Labor Safety Instruction;
• the current Instructions for providing first aid to victims in connection with accidents when servicing power equipment; on the use of protective equipment necessary for the safe performance of work;
• Safety and health regulations for workers who have the right to prepare the workplace, carry out admissions, be a work performer, an observer and a member of the team to the extent corresponding to the duties responsible persons PTB;
• training in professional training programs.

2.3. Admission to independent work is issued by the relevant order on structural unit enterprises,

2.4. The newly hired worker is issued a qualification certificate, in which an appropriate entry must be made on testing knowledge of the instructions and rules specified in clause 2.2 and the right to perform special work.

The qualification certificate for on-duty personnel during the performance of official duties can be kept by the workshop shift supervisor or with oneself in accordance with local conditions.

2.5. Workers who do not pass the knowledge test within the established time limits are not allowed to work independently.

2.6. During the work process, the worker must undergo:

• repeated briefings - at least once a quarter;
• testing knowledge of labor safety instructions and the current Instructions for providing first aid to victims in connection with accidents when servicing power equipment once a year;
• medical examination - once every two years;
• knowledge testing on occupational safety and health regulations for workers who have the right to prepare a workplace, carry out admissions, be a work performer, a supervisor or a member of a team - once a year.

2.7. Persons who received an unsatisfactory assessment during the qualification test are not allowed to work independently and must undergo a re-test no later than one month.

In case of violation of safety rules, depending on the nature of the violation, an unscheduled briefing or an extraordinary knowledge test should be carried out.

2.8. In the event of an accident, the worker is obliged to provide first aid to the victim before arrival medical personnel. In the event of an accident with the worker himself, depending on the severity of the injury, he must apply for medical care to a health center or to provide first aid to yourself (self-help).

2.9. Each employee must know the location of the first aid kit and be able to use it.

2.10. If faulty devices, tools and protective equipment are detected, the worker informs his immediate supervisor.

It is prohibited to work with faulty devices, tools and protective equipment.

2.11. To avoid exposure to electric current Do not step on or touch dangling wires.

2.12. Failure to comply with the requirements of the Labor Safety Instructions for the worker is considered a violation of production discipline.

For violation of instructions, the worker is liable in accordance with current legislation.

2.13. In the operator's equipment maintenance area, the following dangerous and harmful production factors may occur: harmful substances used in the water treatment process, which can cause poisoning and chemical burns; air pollution working area, which occurs during chlorination of water, pumping of ammonia, hydrazine hydrate and acids; increased dust content in the air of the working area when working with bulk chemicals.

2.14. To protect against exposure to dangerous and harmful factors, it is necessary to use appropriate protective equipment. When working with sulfuric acid, it is necessary to use: a suit made of acid-proof fabric, a rubberized apron, rubber acid-alkali-resistant boots and gloves, acid-proof mittens, sealed safety goggles or a plexiglass shield, filtering gas masks of grade B (filter box yellow color), BKF (filter box of protective color with a white vertical stripe), M (filter box of red color) or hose gas masks PSh-1, PSh-2.

When working with liquid chlorine, it is necessary to use: sealed safety glasses, rubber gloves, a rubberized apron, rubber shoes; for protection against chlorine gas vapors (in case of an accident), a filter gas mask of grade B (yellow filter box) or BKF (protective color filter box with a white vertical stripe).

When working with caustic sodium, it is necessary to use: a cotton suit, alkali-resistant, safety glasses, acid-alkali-resistant rubber gloves, a rubberized apron and acid-alkali-resistant rubber boots.

When working with aqueous ammonia, it is necessary to use: an alkali-resistant cotton suit, acid-alkali-resistant rubber gloves, sealed safety goggles, a rubberized apron, acid-alkali-resistant rubber boots, KD filter gas masks (filter box gray or gray with a white vertical stripe) or M (red filter box).

When working with sodium hypochlorite individual means protection is the same as when working with chlorine.

When working with hydrazine hydrate and its salts, it is necessary to use: rubber boots and gloves, a suit with water-repellent impregnation, safety sealed goggles, filter gas mask brand A (filter box Brown) or CD (gray filter box).

When in rooms with technological equipment(except for control panels) it is necessary to wear a protective helmet to protect the head from impacts from random objects.

2.15. The operator must work in special clothing and use protective equipment issued in accordance with current industry standards.

2.16. The operator should be given the following tools free of charge in accordance with industry standards: personal protection:

• cotton suit with water-repellent impregnation (for 12 months);
• rubber boots (on duty);
• combination mittens (for 2 months);
• rubber gloves (duty);
• respirator (until wear);
• coarse-wool or acid-alkali-resistant suit - (on duty);
• safety glasses - (until wear);
• rubberized apron (for 6 months).

When issuing a double replacement set of workwear, the wear period is doubled.

Depending on the nature of the work and the conditions of its production, the operator should be temporarily provided with additional special clothing and protective equipment for these conditions.

3. Safety requirements before starting work

3.1. Before accepting a shift, the operator must:

• put your work clothes in order. Sleeves and tails of overalls should be fastened with all buttons, and hair should be tucked under the helmet. Clothes must be tucked in so that there are no dangling ends or flapping parts. Shoes must be closed and low heeled. It is prohibited to roll up the sleeves of workwear;
• walk around the serviced equipment along a certain route, check the safe condition of the equipment;
• check and make sure it is working properly supply and exhaust ventilation, absence of vapors of aggressive liquids;
• check at the workplace the availability and serviceability of duty protective clothing and other protective equipment, neutralizing solutions, tools, electric flashlights, fire extinguishing equipment, posters or safety signs;
• check the locking storage facilities where toxic and aggressive substances are stored, the presence of appropriate clear inscriptions on containers and bottles with chemical reagents, numbering on pipeline fittings;
• check the presence and integrity of glassware, burettes, pipettes, serviceability of electrical appliances and their grounding, instrumentation devices, connection of conductometric control sensors for operating equipment, condition of titration tables, sufficiency of reagents and reagents, absence of leaks of aggressive substances through fittings, condition of passages and passages, fences, rotating mechanisms, platforms, stairs, closure of channels, condition of ventilation and cleanliness of the workplace;
• report to the senior shop staff on duty about all observed safety violations.

• test the equipment before accepting a shift;
• come to shift drunk or drink alcohol while work time;
• leaving a shift without registering and turning in the shift.

4. Safety requirements during operation

4.1. The operator must carry out walk-throughs and inspections of equipment, allow maintenance personnel to work, as well as perform routine work with the knowledge and permission of superior duty personnel.

• make any equipment switches;
• jump or climb over pipelines (to shorten the route). You should only cross pipelines in places where there are walkways;
• move in an unlit area without a flashlight;
• Clean lamps and replace burnt out lamps.
• if there is insufficient illumination of the workplace and the equipment being serviced due to burnout of the lamps, the operator must call the electrician on duty, and until he arrives, use an electric torch;
• lean and stand on platform barriers, railings, coupling and bearing safety covers, walk on pipelines, as well as on structures and ceilings that are not intended for passage over them and do not have special handrails and fences;
• be near water indicator glasses, as well as near shut-off and safety valves and flange connections of pipelines under pressure, unless this is caused by production necessity.

4.3. It is prohibited to operate mechanisms or devices in the absence or malfunction of the fencing devices.

4.4. It is prohibited to clean near machinery without safety guards or with loose guards.

4.5. Do not clean, wipe or lubricate rotating or moving parts of mechanisms, or put your hands behind the guard for lubrication or cleaning.

4.6. It is prohibited to repair equipment without acceptance preventive measures against including him in the work ( engine start, water supply, etc.).

4.7. When cleaning running machines, it is forbidden to wind the cleaning material around the hand or fingers.

4.8. When starting rotating machinery, keep a safe distance from them.

4.9. When pouring water on the control keys, they should be operated with dielectric gloves.

4.10. During operation, the operator must ensure that protective (enclosing) casings are securely fastened to flange connections and pipelines installed on equipment in circuits with aggressive and toxic substances, because greatest number accidents are due to the release of acids and alkalis through flange connections and poor quality welds on pressure pipelines.

4.11. If faulty pipeline fittings are found, it is necessary to report this to your higher duty personnel.

It is forbidden for the apparatchik to arbitrarily replace the glands of the pipeline fittings.

4.12. The operator must use in his work only lifting mechanisms, to which he is admitted and on which the inventory number, load capacity and date of the next technical examination are indicated. Slings used during work must have a tag or stamp on which the sling number, its load capacity and the test date must be indicated.

It is prohibited to use lifting mechanisms with an expired inspection date, as well as slings that do not have tags or stamps.

Slings with torn strands, burns, dents, twists and other damage should not be used for lifting loads.

When lifting a load, in order to avoid the slings falling out of the hook mouth, the latter must be closed with a lock.

Ropes or chains must be applied evenly to the load being lifted, without knots or twists.

Before lifting, the load must be raised to a height of no more than 300 mm to check the correctness of the sling and the uniform tension of the slings; only after this the load should be lifted to the required height; To correct an incorrect line, the load must be lowered.

It is prohibited to leave the load hanging. In the event of a malfunction of the mechanism, when the load cannot be lowered, the area under the suspended load must be fenced off and prohibitory posters or safety signs posted.

It is prohibited to move goods in insufficient lighting of the workplace.

4.13. When performing work using a shovel, you should pay attention to the strength of the handle in the holder. The cuttings should be smooth.

The crowbars used in the work must be straight with drawn and pointed ends.

4.14. The dimensions of the jaw (grip) of the wrenches used should not exceed the dimensions of the edges of the tightened elements (bolt heads, nuts) by more than 0.3 mm. If there is a gap between the planes of the jaws and the heads of bolts or nuts, the use of any gaskets is not allowed.

Extending wrenches with additional levers, second wrenches or pipes is prohibited. When working with wrenches Key loss should be avoided.

4.15. When opening and closing the valve, you should not use levers that extend the arm of the handle or flywheel that are not provided for in the current Operating Instructions for the valve.

When closing and opening the valve, you should act carefully, avoiding the tearing of the device used from the valve flywheel.

4.16. Glass containers (bottles, flasks, flasks), both empty and filled with samples or chemical reagents, should be carried in a special box with cells or in a bucket.

Carrying flasks, flasks and bottles in your hands is prohibited.

4.17. Bottles with aggressive substances should be transported over short distances within the workplace in baskets with two handles by at least two people after a preliminary check of the strength of the handles and the bottom of the basket.

4.18. Concentrated acids and alkalis should be stored in glass bottles with ground stoppers, the stoppers are tied to the neck of the bottles. Bottles are stored in separate room, they are installed on the floor in baskets or wooden laths. The necks of the bottles must have labels with the inscription.

4.19. Spilled acids and alkalis should be covered with sand, then the sand should be removed from the room and only after neutralization should be cleaned. Neutralization is carried out with a solution of soda ash.

4.20. If acid gets on the skin or eyes, immediately wash it off with a plentiful stream of water, then rinse with a 1% solution of baking soda, and then report the incident to the shift supervisor.

4.21. In case of contact with the skin or eyes of alkali, it must be washed off with a plentiful stream of water and rinsed with a three percent solution of boric acid.

4.22. Before and during work in an underground structure or in a tank, natural or forced ventilation must be provided.

Ventilation with oxygen is prohibited.

If natural or forced ventilation does not provide complete removal harmful substances, descent into an underground structure or reservoir is permitted only in a hose gas mask.

4.23. It is prohibited to work in underground structures or tanks when the water level in them is more than 200 mm (above floor level), as well as when the water temperature is above 45°C.

If there is water (liquid medium), you must use rubber shoes.

4.24. Works inside underground structures or tanks, as well as periodic inspections of them should be carried out as part of a team of three people, of which two people should be at the hatch and monitor the condition of the working gas mask and the air intake pipe.

4.25. Flange connections pipelines intended for supplying caustic liquids (solutions of acids and alkalis) must be covered with metal casings.

4.26. Pipelines, pumps and other equipment operating under pressure must be equipped with working pressure gauges with a maximum pressure mark.

4.27. If fistulas are detected in pipelines or tanks (reservoirs) with caustic substances, the operator must immediately inform the shift supervisor, identify a dangerous area, stop all work in it, remove personnel from it, fence off this area and post safety signs “No Trespassing”, “Danger” ! Dangerous area".

4.28. Smoking on premises treatment facilities permitted only in specially designated areas.

4.29. The admission of repair personnel to work must be carried out by the operator at the brigade’s workplace. Together with the manager and the workman, he must check the readiness of the equipment for repair, paying attention to Special attention on the reliability of its drainage and shutdown.

5. Safety requirements upon completion of work

5.1. At the end of the shift, the operator must:

• complete all equipment switching work, current work, inspections and walk-throughs (except in emergency cases) and operations for pumping reagents, to transfer the shift to a replacement;
• remove the workplace and attached equipment. To avoid a fire or explosion, it is prohibited to use flammable and combustible substances (kerosene, gasoline, acetone, etc.) when cleaning;
• inform the shift taker about the operating mode of the equipment and its condition, about all comments and malfunctions that occurred during the shift, where and in what composition the crews work on the equipment according to orders and orders;
• report the completion of the shift to higher duty personnel and draw up operational documentation.

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Responsibilities

Conducting processes for purifying industrial wastewater or radioactive water from impurities and capturing valuable substances for use in the technological process using methods of sedimentation, filtration, neutralization, etc. Preparation of reagents, dosing and loading them into devices or pools, depending on the quantity and composition of incoming wastewater under the guidance of a more highly qualified operator. Pumping and transfer of purified water, radioactive sludge and sediment. Cleaning devices and communications from sludge. Maintaining records in the production log.

Need to know and be able to:

operating principle of filters, heaters, dispensers and pumps; basic information about the technological regimes of industrial wastewater and radioactive water treatment processes; purpose and conditions of use of simple and medium difficulty control and measuring instruments; sanitary rules work with radioactive substances.

Responsibilities

Conducting processes for purifying industrial wastewater or radioactive water from impurities and capturing valuable substances for use in the technological process using methods of sedimentation, filtration, neutralization, etc. Preparation of reagents: soda, milk of lime, caustic soda, dosing and loading them into devices or pools, depending on the quantity and composition of incoming wastewater. Regeneration of ion exchange filters. Carrying out control analyzes for the completeness of wastewater treatment, monitoring and regulating the treatment process according to the readings of instrumentation and analysis results. Identification and elimination of malfunctions in the operation of equipment and communications. Preparing equipment for repair, receiving it from repair. Conducting the process of ion exchange purification or biochemical oxidation of wastewater under the guidance of a more highly qualified operator.

Need to know and be able to:

installation of filters, heaters, dispensers and pumps; technological modes of purification processes - sedimentation, filtration and neutralization of industrial wastewater and radioactive water; chemical reagents used in purification plants; installation of simple and medium complexity instrumentation; analysis methodology; determination of the sorption cycle by changes in pH of the environment; basics of physics and chemistry.

Responsibilities

Conducting the process of purifying industrial wastewater from impurities using the method of ion exchange purification or biochemical oxidation. Evaporation of radioactive water in evaporation plants. Preparation of reagents: resin, magnesite, ammonia, acid, etc., dosing and loading them into devices depending on the quantity and composition of incoming wastewater. Carrying out the processes of separating ammonia from tar water in an ammonia column, stripping volatile ammonia and decomposing bound ammonia in a reactor. Reception of wastewater into ion exchange filters or aeration tanks. Monitoring the intensity of aeration and the filtration process. Regulation technological process sorption (purification) of radioactive waters. Regeneration of resins and oils. Regulating the dosage and feed rate of chemicals during the resin regeneration process. Washing resins from the regenerating solution and preparing them for the next cycle. Monitoring and regulation of oxygen supply through aeration tanks, the amount of wastewater, the content of toxic substances, the degree of wastewater purification, the amount of foam on the surface of the water in aeration tanks, the concentration of alkali and acid solutions using instrumentation and analysis results. Maintenance of ion exchange filters of aeration tanks, control gallery with located communications and fittings, as well as instrumentation. Troubleshooting equipment.

Need to know and be able to:

technological modes of ion exchange purification processes, biochemical oxidation and aeration of wastewater, resin regeneration; diagram of the serviced area; installation of ion exchange, biochemical, mechanical filters, evaporation units, fittings and communications; purpose and conditions of use of complex instrumentation; options technological mode cleaning and process regulation rules; basics of heating engineering.

0.1. The document comes into force from the moment of approval.

0.2. Document developer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

0.3. The document has been approved: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

0.4. Periodic check of this document carried out at intervals not exceeding 3 years.

1. General Provisions

1.1. The position "Wastewater treatment operator, 4th category" belongs to the "Workers" category.

1.2. Qualification requirements: vocational and technical education. Advanced training and work experience in the profession of sewage treatment operator 3rd category - at least 1 year.

1.3. Knows and applies in practice:
- technological modes of the processes of ion exchange purification, biochemical oxidation and aeration of wastewater, resin regeneration, layout of the area that serves, the structure of ion exchange, biochemical, mechanical filters, evaporation units, fittings and communications;
- purpose and conditions of use of complex instrumentation;
- parameters of the technological cleaning regime and rules for regulating the process;
- basics of heat engineering.

1.4. A wastewater treatment operator of the 4th category is appointed to the position and dismissed from the position by order of the organization (enterprise/institution).

1.5. The wastewater treatment operator of the 4th category reports directly to _ _ _ _ _ _ _ _ _ _ .

1.6. A wastewater treatment operator of the 4th category supervises the work of _ _ _ _ _ _ _ _ _ _ .

1.7. Wastewater treatment operator of the 4th category during absence is replaced by a person appointed to in the prescribed manner, which acquires the corresponding rights and is responsible for the proper fulfillment of the duties assigned to it.

2. Characteristics of work, tasks and job responsibilities

2.1. Conducts processes for purifying industrial wastewater from impurities using ion exchange purification or biochemical oxidation.

2.2. Evaporates radioactive water in evaporation plants.

2.3. Prepares reagents: resins, magnesite, ammonia, acids, etc., dispenses and loads them into devices depending on the quantity and composition of incoming wastewater.

2.4. It carries out the process of separating ammonia from tar water in an ammonia column, blowing out light ammonia and decomposing bound ammonia in the reactor.

2.5. Receives wastewater into ion exchange filters or aeration tanks.

2.6. Monitors the intensity of aeration and the filtration process.

2.7. Regulates technological processes of sorption (purification) of radioactive waters.

2.8. Conducts the process of regeneration of resins and oils.

2.9. Regulates the dosing and flow rate of chemicals during the resin regeneration process.

2.10. Leads the process of washing the resin from the solution, which is regenerated and prepares them for the next cycle.

2.11. Monitors and regulates the supply of oxygen in aeration tanks, the amount of wastewater, the presence of toxic substances, the degree of wastewater treatment, the composition of toxic substances, the amount of foam on the surface of the water in units for the concentration of alkali and acid solutions using instrumentation and based on the results of analyses.

2.12. Serves ion exchange filters of aeration tanks, control galleries with located communications and fittings, as well as control and measuring instruments.

2.13. Eliminates equipment malfunctions.

2.14. Knows, understands and applies current regulations relating to his activities.

2.15. Knows and complies with the requirements of regulations on labor protection and environment, complies with the standards, methods and techniques of safe work performance.

3. Rights

3.1. A wastewater treatment operator of the 4th category has the right to take actions to prevent and eliminate cases of any violations or inconsistencies.

3.2. A wastewater treatment operator of the 4th category has the right to receive all social guarantees provided for by law.

3.3. A wastewater treatment operator of the 4th category has the right to demand assistance in the performance of his duties. job responsibilities and exercise of rights.

3.4. A wastewater treatment operator of the 4th category has the right to demand the creation of organizational and technical conditions necessary for the performance of official duties and the provision necessary equipment and inventory.

3.5. A wastewater treatment operator of the 4th category has the right to get acquainted with draft documents relating to his activities.

3.6. A wastewater treatment operator of the 4th category has the right to request and receive documents, materials and information necessary to fulfill his job duties and management orders.

3.7. A wastewater treatment operator of the 4th category has the right to improve his professional qualifications.

3.8. A wastewater treatment operator of the 4th category has the right to report all violations and inconsistencies identified in the course of his activities and make proposals for their elimination.

3.9. A wastewater treatment operator of the 4th category has the right to familiarize himself with documents defining the rights and responsibilities of the position held, and criteria for assessing the quality of performance of official duties.

4. Responsibility

4.1. The wastewater treatment operator of the 4th category is responsible for failure to fulfill or untimely fulfillment of the requirements of this job description obligations and (or) non-use of granted rights.

4.2. A wastewater treatment operator of the 4th category is responsible for failure to comply with internal rules labor regulations, labor protection, safety precautions, industrial sanitation and fire protection.

4.3. A wastewater treatment operator of the 4th category is responsible for disclosing information about an organization (enterprise/institution) that is a trade secret.

4.4. A wastewater treatment operator of the 4th category is responsible for failure to fulfill or improper fulfillment of internal requirements regulatory documents organization (enterprise/institution) and legal orders of management.

4.5. A wastewater treatment operator of the 4th category is responsible for offenses committed in the course of his activities, within the limits established by the current administrative, criminal and civil legislation.

4.6. A wastewater treatment operator of the 4th category is responsible for causing material damage to an organization (enterprise/institution) within the limits established by current administrative, criminal and civil legislation.

4.7. A wastewater treatment operator of the 4th category is responsible for the unlawful use of the granted official powers, as well as their use for personal purposes.

Wastewater treatment operator

§ 11. Wastewater treatment operator (2nd category)

Characteristics of work. Conducting processes for purifying industrial wastewater or radioactive water from impurities and capturing valuable substances for use in the technological process using methods of sedimentation, filtration, neutralization, etc. Preparation of reagents, dosing and loading them into devices or pools, depending on the quantity and composition of incoming wastewater under the guidance of a more highly qualified operator. Pumping and transfer of purified water, radioactive sludge and sediment. Cleaning devices and communications from sludge. Maintaining records in the production log.

Must know: operating principle of filters, heaters, dispensers and pumps; basic information about the technological regimes of industrial wastewater and radioactive water treatment processes; purpose and conditions of use of simple and medium complexity instrumentation; sanitary rules for working with radioactive substances.

§ 12. Wastewater treatment operator (3rd category)

Characteristics of work. Conducting processes for purifying industrial wastewater or radioactive water from impurities and capturing valuable substances for use in the technological process using methods of sedimentation, filtration, neutralization, etc. Preparation of reagents: soda, milk of lime, caustic soda, dosing and loading them into devices or pools, depending on the quantity and composition of incoming wastewater. Regeneration of ion exchange filters. Carrying out control analyzes for the completeness of wastewater treatment, monitoring and regulating the treatment process according to the readings of instrumentation and analysis results. Identification and elimination of malfunctions in the operation of equipment and communications. Preparing equipment for repair, receiving it from repair. Conducting the process of ion exchange purification or biochemical oxidation of wastewater under the guidance of a more highly qualified operator.

Must know: installation of filters, heaters, dispensers and pumps; technological modes of purification processes - sedimentation, filtration and neutralization of industrial wastewater and radioactive water; chemical reagents used in purification plants; installation of simple and medium complexity instrumentation; analysis methodology; determination of the sorption cycle by changes in pH of the environment; basics of physics and chemistry.

§ 13. Wastewater treatment operator (4th category)

Characteristics of work. Conducting the process of purifying industrial wastewater from impurities using the method of ion exchange purification or biochemical oxidation. Evaporation of radioactive water in evaporation plants. Preparation of reagents: resin, magnesite, ammonia, acid, etc., dosing and loading them into devices depending on the quantity and composition of incoming wastewater. Carrying out the processes of separating ammonia from tar water in an ammonia column, stripping volatile ammonia and decomposing bound ammonia in a reactor. Reception of wastewater into ion exchange filters or aeration tanks. Monitoring the intensity of aeration and the filtration process. Regulation of the technological process of sorption (purification) of radioactive waters. Regeneration of resins and oils. Regulating the dosage and feed rate of chemicals during the resin regeneration process. Washing resins from the regenerating solution and preparing them for the next cycle. Monitoring and regulation of oxygen supply through aeration tanks, the amount of wastewater, the content of toxic substances, the degree of wastewater purification, the amount of foam on the surface of the water in aeration tanks, the concentration of alkali and acid solutions using instrumentation and analysis results. Maintenance of ion exchange filters of aeration tanks, control gallery with located communications and fittings, as well as instrumentation. Troubleshooting equipment.

Must know: technological modes of ion exchange purification processes, biochemical oxidation and aeration of wastewater, resin regeneration; diagram of the serviced area; installation of ion exchange, biochemical, mechanical filters, evaporation units, fittings and communications; purpose and conditions of use of complex instrumentation; parameters of the technological cleaning regime and rules for regulating the process; basics of heating engineering.

Section “Professions of workers common to all sectors of the national economy”((ETKS No. 1))

§ 13. Wastewater treatment operator (4th category)

4th category

Characteristics of the work. Conducting the process of purifying industrial wastewater from impurities using the method of ion exchange purification or biochemical oxidation. Evaporation of radioactive water in evaporation plants. Preparation of reagents: resin, magnesite, ammonia, acid, etc., dosing and loading them into devices depending on the quantity and composition of incoming wastewater. Carrying out the processes of separating ammonia from tar water in an ammonia column, stripping volatile ammonia and decomposing bound ammonia in a reactor. Reception of wastewater into ion exchange filters or aeration tanks. Monitoring the intensity of aeration and the filtration process. Regulation of the technological process of sorption (purification) of radioactive waters. Regeneration of resins and oils. Regulating the dosage and feed rate of chemicals during the resin regeneration process. Washing resins from the regenerating solution and preparing them for the next cycle. Monitoring and regulation of oxygen supply through aeration tanks, the amount of wastewater, the content of toxic substances, the degree of wastewater purification, the amount of foam on the surface of the water in aeration tanks, the concentration of alkali and acid solutions using instrumentation and analysis results. Maintenance of ion exchange filters of aeration tanks, control gallery with located communications and fittings, as well as instrumentation. Troubleshooting equipment.

Must know: technological regimes of ion exchange purification processes, biochemical oxidation and aeration of wastewater, resin regeneration; diagram of the serviced area; installation of ion exchange, biochemical, mechanical filters, evaporation units, fittings and communications; purpose and conditions of use of complex instrumentation; parameters of the technological cleaning regime and rules for regulating the process; basics of heating engineering.