An official State of Ohio site. Here’s how you know
Contact

Welcome,
New User

User: New User

Date: 07/22/2026

Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders

Set up, operate, or tend continuous flow or vat-type equipment; filter presses; shaker screens; centrifuges; condenser tubes; precipitating, fermenting, or evaporating tanks; scrubbing towers; or batch stills. These machines extract, sort, or separate liquids, gases, or solids from other materials to recover a refined product. Includes dairy processing equipment operators.

View All

    Work Activities

    Work Activities

    • Communicate processing instructions to other workers.
    • Dump, pour, or load specified amounts of refined or unrefined materials into equipment or containers for further processing or storage.
    • Set up or adjust machine controls to regulate conditions such as material flow, temperature, or pressure.
    • Operate machines to process materials in compliance with applicable safety, energy, or environmental regulations.
    • Connect pipes between vats and processing equipment.
    • Inspect machines or equipment for hazards, operating efficiency, malfunctions, wear, or leaks.
    • Operate machines to process materials in compliance with applicable safety, energy, or environmental regulations.
    • Measure or weigh materials to be refined, mixed, transferred, stored, or otherwise processed.
    • Set up or adjust machine controls to regulate conditions such as material flow, temperature, or pressure.
    • Turn valves or move controls to admit, drain, separate, filter, clarify, mix, or transfer materials.
    • Monitor material flow or instruments, such as temperature or pressure gauges, indicators, or meters, to ensure optimal processing conditions.
    • Start agitators, shakers, conveyors, pumps, or centrifuge machines.
    • Install, maintain, or repair hoses, pumps, filters, or screens to maintain processing equipment, using hand tools.
    • Install, maintain, or repair hoses, pumps, filters, or screens to maintain processing equipment, using hand tools.
    • Assemble fittings, valves, bowls, plates, disks, impeller shafts, or other parts to prepare equipment for operation.
    • Remove full containers from discharge outlets and replace them with empty containers.
    • Start agitators, shakers, conveyors, pumps, or centrifuge machines.
    • Clean or sterilize tanks, screens, inflow pipes, production areas, or equipment, using hoses, brushes, scrapers, or chemical solutions.
    • Turn valves or move controls to admit, drain, separate, filter, clarify, mix, or transfer materials.
    • Collect samples of materials or products for laboratory analysis.
    • Turn valves to pump sterilizing solutions or rinse water through pipes or equipment or to spray vats with atomizers.
    • Turn valves or move controls to admit, drain, separate, filter, clarify, mix, or transfer materials.
    • Examine samples to verify qualities such as clarity, cleanliness, consistency, dryness, or texture.
    • Clean or sterilize tanks, screens, inflow pipes, production areas, or equipment, using hoses, brushes, scrapers, or chemical solutions.
    • Maintain logs of instrument readings, test results, or shift production for entry in computer databases.
    • Remove clogs, defects, or impurities from machines, tanks, conveyors, screens, or other processing equipment.
    • Install, maintain, or repair hoses, pumps, filters, or screens to maintain processing equipment, using hand tools.
    • Test samples to determine viscosity, acidity, specific gravity, or degree of concentration, using test equipment such as viscometers, pH meters, or hydrometers.

    Skills

    • Monitoring

      Keeping track of how well people and/or groups are doing in order to make improvements.

    • Management of Financial Resources

      Making spending decisions and keeping track of what is spent.

    • Management of Personnel Resources

      Selecting and managing the best workers for a job.

    • Reading Comprehension

      Reading work-related information.

    • Instructing

      Teaching people how to do something.

    • Quality Control Analysis

      Testing how well a product or service works.

    • Troubleshooting

      Figuring out what is causing equipment, machines, wiring, or computer programs to not work.

    • Management of Material Resources

      Managing equipment and materials.

    • Operations Analysis

      Figuring out what a product or service needs to be able to do.

    • Science

      Using scientific rules and strategies to solve problems.

    • Installation

      Installing equipment, machines, wiring, or computer programs.

    • Repairing

      Repairing machines or systems using the right tools.

    • Technology Design

      Making equipment and technology useful for customers.

    • Critical Thinking

      Thinking about the pros and cons of different ways to solve a problem.

    • Speaking

      Talking to others.

    • Learning Strategies

      Using the best training or teaching strategies for learning new things.

    • Systems Evaluation

      Measuring how well a system is working and how to improve it.

    • Time Management

      Managing your time and the time of other people.

    • Service Orientation

      Looking for ways to help people.

    • Operations Monitoring

      Watching gauges, dials, or display screens to make sure a machine is working.

    • Systems Analysis

      Figuring out how a system should work and how changes in the future will affect it.

    • Equipment Maintenance

      Planning and doing the basic maintenance on equipment.

    • Complex Problem Solving

      Noticing a problem and figuring out the best way to solve it.

    • Mathematics

      Using math to solve problems.

    • Writing

      Writing things for co-workers or customers.

    • Social Perceptiveness

      Understanding people's reactions.

    • Coordination

      Changing what is done based on other people's actions.

    • Active Learning

      Figuring out how to use new ideas or things.

    • Negotiation

      Bringing people together to solve differences.

    • Equipment Selection

      Deciding what kind of tools and equipment are needed to do a job.

    • Programming

      Writing computer programs.

    • Judgment and Decision Making

      Thinking about the pros and cons of different options and picking the best one.

    • Operation and Control

      Using equipment or systems.

    • Active Listening

      Listening to others, not interrupting, and asking good questions.

    • Persuasion

      Talking people into changing their minds or their behavior.

    WorkKeys®

    Applied Math
    4
    Workplace Documents
    4
    Graphic Literacy
    4

    Abilities

    • Manual Dexterity

      Holding or moving items with your hands.

    • Reaction Time

      Quickly moving your hand, finger, or foot based on a sound, light, picture or other command.

    • Dynamic Flexibility

      Quickly and repeatedly bending, stretching, twisting, or reaching out with your body, arms, and/or legs.

    • Response Orientation

      Quickly deciding if you should move your hand, foot, or other body part.

    • Glare Sensitivity

      Seeing something even if there is a glare or very bright light.

    • Oral Comprehension

      Listening and understanding what people say.

    • Speed of Closure

      Quickly knowing what you are looking at.

    • Number Facility

      Adding, subtracting, multiplying, or dividing.

    • Visualization

      Imagining how something will look after it is moved around or changed.

    • Time Sharing

      Doing two or more things at the same time.

    • Rate Control

      Changing when and how fast you move based on how something else is moving.

    • Peripheral Vision

      Seeing something to your side when your are looking ahead.

    • Auditory Attention

      Paying attention to one sound while there are other distracting sounds.

    • Speech Clarity

      Speaking clearly.

    • Multilimb Coordination

      Using your arms and/or legs together while sitting, standing, or lying down.

    • Wrist-Finger Speed

      Making fast, simple, repeated movements of your fingers, hands, and wrists.

    • Speed of Limb Movement

      Quickly moving your arms and legs.

    • Hearing Sensitivity

      Telling the difference between sounds.

    • Mathematical Reasoning

      Choosing the right type of math to solve a problem.

    • Trunk Strength

      Using your lower back and stomach.

    • Visual Color Discrimination

      Noticing the difference between colors, including shades and brightness.

    • Information Ordering

      Ordering or arranging things.

    • Written Expression

      Communicating by writing.

    • Fluency of Ideas

      Coming up with lots of ideas.

    • Written Comprehension

      Reading and understanding what is written.

    • Category Flexibility

      Grouping things in different ways.

    • Spatial Orientation

      Knowing where things are around you.

    • Dynamic Strength

      Exercising for a long time without your muscles getting tired.

    • Explosive Strength

      Jumping, sprinting, or throwing something.

    • Near Vision

      Seeing details up close.

    • Static Strength

      Lifting, pushing, pulling, or carrying.

    • Night Vision

      Seeing at night or under low light.

    • Oral Expression

      Communicating by speaking.

    • Sound Localization

      Noticing the direction that a sound came from.

    • Speech Recognition

      Recognizing spoken words.

    • Flexibility of Closure

      Seeing hidden patterns.

    • Memorization

      Remembering words, numbers, pictures, or steps.

    • Perceptual Speed

      Quickly comparing groups of letters, numbers, pictures, or other things.

    • Far Vision

      Seeing details that are far away.

    • Depth Perception

      Deciding which thing is closer or farther away from you, or deciding how far away it is from you.

    • Selective Attention

      Paying attention to something without being distracted.

    • Arm-Hand Steadiness

      Keeping your arm or hand steady.

    • Stamina

      Exercising for a long time without getting out of breath.

    • Gross Body Equilibrium

      Keeping your balance or staying upright.

    • Deductive Reasoning

      Using rules to solve problems.

    • Inductive Reasoning

      Making general rules or coming up with answers from lots of detailed information.

    • Problem Sensitivity

      Noticing when problems happen.

    • Originality

      Creating new and original ideas.

    • Gross Body Coordination

      Moving your arms, legs, and mid-section together while your whole body is moving.

    • Finger Dexterity

      Putting together small parts with your fingers.

    • Extent Flexibility

      Bending, stretching, twisting, or reaching with your body, arms, and/or legs.

    • Control Precision

      Quickly changing the controls of a machine, car, truck or boat.

    Knowledge

    • Physics

      Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub-atomic structures and processes.

    • Administration and Management

      Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.

    • Psychology

      Knowledge of human behavior and performance; individual differences in ability, personality, and interests; learning and motivation; psychological research methods; and the assessment and treatment of behavioral and affective disorders.

    • Mathematics

      Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.

    • Geography

      Knowledge of principles and methods for describing the features of land, sea, and air masses, including their physical characteristics, locations, interrelationships, and distribution of plant, animal, and human life.

    • Education and Training

      Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.

    • Philosophy and Theology

      Knowledge of different philosophical systems and religions. This includes their basic principles, values, ethics, ways of thinking, customs, practices, and their impact on human culture.

    • Public Safety and Security

      Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.

    • Law and Government

      Knowledge of laws, legal codes, court procedures, precedents, government regulations, executive orders, agency rules, and the democratic political process.

    • Biology

      Knowledge of plant and animal organisms, their tissues, cells, functions, interdependencies, and interactions with each other and the environment.

    • Engineering and Technology

      Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.

    • Fine Arts

      Knowledge of the theory and techniques required to compose, produce, and perform works of music, dance, visual arts, drama, and sculpture.

    • Sales and Marketing

      Knowledge of principles and methods for showing, promoting, and selling products or services. This includes marketing strategy and tactics, product demonstration, sales techniques, and sales control systems.

    • Personnel and Human Resources

      Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.

    • Economics and Accounting

      Knowledge of economic and accounting principles and practices, the financial markets, banking, and the analysis and reporting of financial data.

    • Medicine and Dentistry

      Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures.

    • Therapy and Counseling

      Knowledge of principles, methods, and procedures for diagnosis, treatment, and rehabilitation of physical and mental dysfunctions, and for career counseling and guidance.

    • Telecommunications

      Knowledge of transmission, broadcasting, switching, control, and operation of telecommunications systems.

    • Communications and Media

      Knowledge of media production, communication, and dissemination techniques and methods. This includes alternative ways to inform and entertain via written, oral, and visual media.

    • Computers and Electronics

      Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming.

    • Customer and Personal Service

      Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.

    • Mechanical

      Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

    • Sociology and Anthropology

      Knowledge of group behavior and dynamics, societal trends and influences, human migrations, ethnicity, cultures, and their history and origins.

    • Administrative

      Knowledge of administrative and office procedures and systems such as word processing, managing files and records, stenography and transcription, designing forms, and workplace terminology.

    • Building and Construction

      Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.

    • Food Production

      Knowledge of techniques and equipment for planting, growing, and harvesting food products (both plant and animal) for consumption, including storage/handling techniques.

    • Foreign Language

      Knowledge of the structure and content of a foreign (non-English) language including the meaning and spelling of words, rules of composition and grammar, and pronunciation.

    • Design

      Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.

    • Production and Processing

      Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.

    • Chemistry

      Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.

    • English Language

      Knowledge of the structure and content of the English language including the meaning and spelling of words, and rules of composition and grammar.

    • History and Archeology

      Knowledge of historical events and their causes, indicators, and effects on civilizations and cultures.

    • Transportation

      Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.

    Career Video

    Video not available
    Additional videos and more information available on CareerOneStop

    Pay

    • Ohio Annual Salary 47640/yr
    • Typical Salary
    • Ohio Hourly Wage 22.9/hr
    • Typical Hourly Wage

    Ohio Employment Trends

    • Currently Employed 1,590
    • Yearly Projected Openings 150

    Typical Education

    Personality

    Realistic: People interested in this work like activities that include practical, hands-on problems and solutions.They do well at jobs that need:
    • Cautiousness
    • Attention to Detail
    • Dependability

    Tools

    • Adjustable wrenches
    • Claw hammer
    • Colorimeters
    • Depth indicators
    • Desktop computers
    • Floor or platform scales
    • Grease guns
    • Handheld refractometers or polarimeters
    • Hydrometers
    • Laboratory burets
    • Locking pliers
    • Personal computers
    • Power drills
    • Ratchets
    • Remote reading thermometers
    • Screwdrivers
    • Socket sets
    • Viscosimeters
    • Wire brushes
    • pH meters

    Technology

    • Electronic mail software
    • Enterprise resource planning ERP software
    • Office suite software
    • Presentation software
    • Spreadsheet software
    • Word processing software

    Tags

    • Apprenticeships are available for this occupation. These programs can help you get hands-on experience and build your skills.
    Need help on researching occupations and careers? Download the Guide to Researching Occupations (PDF).

    Need help on how to research education and training programs? Download the Guide to Higher Education (PDF).

    Budget Calculator

    Answer a few questions to determine your target salary. Use this target salary to help choose the right occupation for you.

    Lifestyle Calculator

    Answer a few questions to determine your target salary. Use this target salary to help choose the right occupation for you.

    Workforce Supply Tool

    Workforce Supply Tool

    The Workforce Supply Tool provides statistics for the occupations in highest demand throughout Ohio.

    You can view statewide statistics as well as more region specific information.

    Visit Site
    Powered By: