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Engineering ServicesISCO 3132

Liquid waste treatment plant operator

Liquid waste treatment plant operators remove hazardous chemicals and pollutants from liquid waste such as oil so that it can be safely used for new applications. They operate and maintain liquid waste treatment equipment, monitor operations, and test samples to ensure the safety standards are met.

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Check yourself in a minute: liquid waste treatment plant operator

Rate 5 of the 14 essential skills of this occupation (European ESCO data). No account needed.

measure density of liquids

perform laboratory tests

collect samples

handle chemicals

perform water treatments

About liquid waste treatment plant operator

As a liquid waste treatment plant operator, you will be responsible for the safe and efficient processing of hazardous liquid waste, transforming potentially dangerous materials into substances that can be safely reused or disposed of. Your day-to-day work involves operating sophisticated treatment equipment, monitoring complex chemical processes, and conducting laboratory tests to verify that all safety and environmental standards are consistently met. You will collect samples, analyze data, document results, and work with hazardous chemicals while maintaining strict adherence to environmental legislation and health protocols.

This role is critical to environmental protection and public health, as improper waste treatment can pose serious risks to ecosystems and communities. You will need to be detail-oriented, safety-conscious, and capable of working with technical equipment and scientific procedures. The position offers stable employment with potential for advancement to supervisory roles, particularly as environmental regulations become increasingly stringent across Europe. Your expertise ensures that industries can operate responsibly while minimizing their environmental impact.

Key Work Functions

Core areas of responsibility for a liquid waste treatment plant operator.

1

equipment operation and monitoring

  • operate treatment machinery to remove hazardous chemicals and pollutants from liquid waste
  • monitor operational parameters such as temperature, pressure, and chemical concentrations
  • perform routine maintenance checks on equipment to ensure optimal functionality
2

laboratory testing and analysis

  • collect liquid samples at various stages of the treatment process
  • perform laboratory tests to measure density, pH, chemical composition, and contamination levels
  • analyze experimental data and compare results against established safety standards
3

safety and compliance management

  • ensure all operations comply with environmental legislation and safety regulations
  • handle hazardous chemicals safely using appropriate protective equipment and procedures
  • drain and manage hazardous liquids following strict safety protocols
4

documentation and record-keeping

  • document all analysis results, test data, and chemical measurements in laboratory records
  • maintain detailed logs of treatment processes and equipment performance
  • prepare compliance reports for regulatory authorities and internal management

European Skills Framework

Skills and knowledge areas required for this occupation based on European classification.

Essential (14)

waste and scrap productswaste and scrap productsThe offered waste and scrap products, their functionalities, properties and legal and regulatory requirements.measure density of liquidsmeasure density of liquidsMeasuring the density of liquids, including oils, using instruments such as hygrometers, or oscillating tubes.perform laboratory testsperform laboratory testsCarry out tests in a laboratory to produce reliable and precise data to support scientific research and product testing.collect samplescollect samplesSet up and operate equipment to collect water, gas, oil or soil samples for testing.handle chemicalshandle chemicalsSafely handle industrial chemicals; use them efficiently and ensure that no harm is done to the environment.perform water treatmentsperform water treatmentsPerform regularly water testing, ensuring that water management and filtration processes follow reasonable management practices, industry standards, or commonly accepted farming practices. Record prev...document analysis resultsdocument analysis resultsDocument on paper or on electronic devices the process and the results of the samples analysis performed.analyse experimental laboratory dataanalyse experimental laboratory dataAnalyse experimental data and interpret results to write reports and summaries of findings.test chemical samplestest chemical samplesPerform the testing procedures on the already prepared chemical samples, by using the necessary equipment and materials. Chemical sample testing involves operations such as pipetting or diluting schem...chemical processeschemical processesThe relevant chemical processes used in manufacture, such as purification, seperation, emulgation and dispergation processing.drain hazardous liquidsdrain hazardous liquidsDrain substances which pose health and safety risks from equipment, appliances or installations in order to store the liquids according to safety guidelines and dispose or treat them as required.manage wastemanage wasteManage or dispose of significant amounts of waste materials and/or hazardous materials, in accordance with legislation, thereby respecting environmental and company responsibilities. Ensure required l...hazardous waste typeshazardous waste typesThe different types of waste which poses risks to the environment or public health and safety, such as radioactive waste, chemicals and solvents, electronics, and mercury-containing waste.ensure compliance with environmental legislationensure compliance with environmental legislationMonitor activities and perform tasks ensuring compliance with standards involving environmental protection and sustainability, and amend activities in the case of changes in environmental legislation....
Optional (16) — show
pollution legislationpollution legislationBe familiar with European and National legislation regarding the risk of pollution.pollution preventionpollution preventionThe processes used to prevent pollution: precautions to pollution of the environment, procedures to counter pollution and associated equipment, and possible measures to protect the environment.hazardous waste storagehazardous waste storageThe regulations and procedures surrounding the safekeeping of materials and substances which pose health and safety risks.communicate with waste collectorscommunicate with waste collectorsCommunicate with workers who collect waste from various places and transport it to the waste treatment facilities in order to ensure optimal cooperation and efficient operation of waste treatment and ...assess waste typeassess waste typeIdentify waste materials during collection and sorting operations in order to assess whether they need to be recycled, disposed of, or otherwise be treated.supervise waste disposalsupervise waste disposalSupervise disposal of biological waste and chemical waste according to regulations.advise on soil and water protectionadvise on soil and water protectionAdvise on methods to protect soil and water sources against pollution such as nitrate leaching which is responsible for soil erosion.dispose of hazardous wastedispose of hazardous wasteDispose of dangerous materials such as chemical or radioactive substances according to environmental and to health and safety regulations.wear appropriate protective gearwear appropriate protective gearWear relevant and necessary protective gear, such as protective goggles or other eye protection, hard hats, safety gloves.educate on hazardous wasteeducate on hazardous wasteEducate the public or specific organisations on the importance of correct handling of hazardous waste in order to promote public safety, ensure compliance with legislation, and raise awareness of the ...test samples for pollutantstest samples for pollutantsMeasure concentrations of pollutants within samples. Calculate air pollution or gas flow in industrial processes. Identify potential safety or health risks such as radiation.test oil samplestest oil samplesAnalyse oil samples in order to determine characteristics such as consistency, texture, viscosity or concentration. Operate measuring instruments such as pH meters, hydrometers and viscometers.advise on waste management proceduresadvise on waste management proceduresAdvise organisations on the implementation of waste regulations and on improvement strategies for waste management and waste minimisation, to increase environmentally sustainable practices and environ...supervise waste water treatmentssupervise waste water treatmentsSupervise waste water treatment according to environmental regulations.maintain water treatment equipmentmaintain water treatment equipmentPerform repairs and routine maintenance tasks on equipment used in the purification and treatment processes of water and waste water.pump productspump productsOperate pumping machines according to specific procedures and depending on the kind of product. Ensure correct quantities and adequate feeding for the process.

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Frequently asked questions

What does a liquid waste treatment plant operator do?

Liquid waste treatment plant operators remove hazardous chemicals and pollutants from liquid waste such as oil so that it can be safely used for new applications. They operate and maintain liquid waste treatment equipment, monitor operations, and test samples to ensure the safety standards are met.

What skills does a liquid waste treatment plant operator need?

A liquid waste treatment plant operator needs 14 essential skills, including waste and scrap products, measure density of liquids, perform laboratory tests, collect samples, handle chemicals.

Will AI replace liquid waste treatment plant operator jobs?

The AI disruption score for liquid waste treatment plant operator is 46/100 (moderate risk). Skills most exposed to automation: document analysis results, assess waste type, test oil samples. Most resilient: handle chemicals, drain hazardous liquids, dispose of hazardous waste.

AI Replacement Risk

46/ 100
Moderate Risk
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Quick Facts

SectorEngineering Services
ISCO GroupScience and engineering associate professionals
Essential Skills14

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