Occupation · SOC 51-9012

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.

Median wage
$49,500
$35,810–$75,860
Projected growth
-4.4%
Declining
Annual openings
-230
per year
Employed (US)
54,200
Job Zone 2
Typical preparation
Some preparation
Stackable credential programs
76 mapped

Core skills

Operations MonitoringCritical ThinkingMonitoringOperation and ControlQuality Control AnalysisReading ComprehensionActive ListeningJudgment and Decision Making

Knowledge areas

Production and ProcessingMechanicalEnglish Language

Technology & tools

Electronic mail softwareSpreadsheet softwareOffice suite softwarePresentation softwareWord processing software

Representative tasks

Dump, pour, or load specified amounts of refined or unrefined materials into equipment or containersOperate machines to process materials in compliance with applicable safety, energy, or environmentalMonitor material flow or instruments, such as temperature or pressure gauges, indicators, or meters,

Competency framework

Skill expectations by proficiency level.

emerging
Specified amounts of refined or unrefined materials — dump, pour, or load into equipment or containers under direct supervisor guidance on the production floor.Basic machine startup procedures — follow step-by-step protocols to start agitators, shakers, or pumps with a trainer present in a processing facility.Temperature and pressure gauges — read and report instrument readings to a supervisor during routine monitoring shifts.Valves and manual controls — turn or move as directed to admit or drain materials through separation equipment under close oversight.Machine controls — observe and assist in adjusting settings for material flow and temperature under direct instruction from an experienced operator.Material samples — collect and visually examine for basic qualities such as clarity or cleanliness following standardized inspection checklists.Safety and environmental regulations — recognize and apply applicable rules while operating processing machines under supervision in a production environment.Equipment surfaces and connections — inspect for visible leaks, wear, or obvious malfunctions during pre-shift walkthroughs with a lead operator.Work instructions and safety data sheets — read and comprehend written operating procedures before performing assigned tasks on the production line.Personal protective equipment and hazard protocols — identify and use correctly when working around separation, filtration, or clarifying machinery.
developing
Measured quantities of raw or semi-processed materials — independently load or transfer into designated processing equipment in accordance with batch specifications.Separation, filtration, and clarifying machines — operate routinely with reduced oversight to meet production targets while complying with safety and environmental standards.Process instruments including temperature, pressure, and flow meters — monitor continuously during a shift and take corrective action within established parameters.Valve sequences and control adjustments — execute to separate, filter, mix, or transfer materials efficiently during standard production runs in a manufacturing plant.Machine control settings — set up and fine-tune for varying material types or batch sizes based on work orders and prior operating experience.Sample quality attributes such as consistency, dryness, and texture — examine and compare against acceptance criteria, documenting results in shift logs or spreadsheet software.Centrifuge machines, conveyors, and pumps — start and monitor for abnormal vibration, noise, or output deviations and escalate issues appropriately.Equipment inspection findings — record in maintenance logs or ERP software and communicate clearly to maintenance personnel or shift supervisors.Time-sensitive processing tasks — prioritize and manage across multiple machines during a shift to maintain continuous material flow with minimal downtime.Verbal operating instructions and shift handover communications — listen actively and ask clarifying questions to ensure accurate task transfer between crews.
proficient
Full separation and filtration processing sequences — perform autonomously across diverse material types and non-routine batch conditions with consistent quality outcomes.Process deviations indicated by instrument readings — diagnose root causes using critical thinking and implement corrective adjustments to restore optimal operating conditions.Complex valve and control configurations — operate with precision to handle simultaneous material transfers, mixing, and filtration steps in a high-throughput production environment.Non-standard sample results such as unexpected turbidity or off-spec texture — analyze, document findings, and make informed disposition decisions without escalation.Mechanical malfunctions and efficiency losses — identify through systematic equipment inspection and coordinate timely repairs to minimize production impact.Process compliance with safety, energy, and environmental regulations — evaluate and verify across all assigned machines during routine and non-routine operations.Production and processing knowledge — apply to optimize machine parameters for yield, cycle time, or energy efficiency across the full scope of assigned operations.Shift production data — compile and analyze using spreadsheet software to identify trends, flag process drift, and support continuous improvement initiatives.Judgment on material quality hold or release decisions — exercise independently based on sample analysis, instrument data, and established quality control criteria.Peer operators and new hires — guide informally on correct machine operation techniques, safety practices, and sample evaluation methods on the production floor.
advanced
Departmental operating standards for separation, filtration, and clarifying processes — develop and maintain to ensure consistent quality, safety, and regulatory compliance across all shifts.Cross-shift production performance — analyze using ERP and spreadsheet data to set improvement targets and drive accountability among operators and leads.Equipment upgrade or replacement evaluations — lead by assessing mechanical efficiency, wear patterns, and production data to inform capital investment recommendations.Operator training programs — design and deliver covering machine setup, instrument monitoring, sample evaluation, and hazard recognition for Job Zone 2 production personnel.Process control strategies — establish for managing temperature, pressure, and material flow across multiple interconnected separation and filtration systems at organizational scale.Regulatory and environmental compliance programs — oversee and audit to ensure all machine operations meet applicable safety, energy, and environmental requirements facility-wide.Quality control analysis frameworks — implement and refine to standardize sample examination criteria and acceptance thresholds across production lines and product families.Cross-functional collaboration with maintenance, quality, and engineering teams — lead to resolve chronic equipment reliability issues and implement sustainable process improvements.Emergency response and hazard mitigation protocols — author and communicate to ensure all production staff can safely manage equipment failures, leaks, or process upsets.Organizational production culture — model and promote cautiousness, attention to detail, and integrity as behavioral standards throughout the separation and filtration workforce.

Also known as

406 alternate job titles map to this occupation.

Expeller OperatorHide PullerWhey Department OperatorClarifierTallow MakerPercolator OperatorCarbonation Equipment OperatorFlotation TenderBasin OperatorNut Sorter OperatorPaper Recovery OperatorMilk PasteurizerAcetone Recovery WorkerBoiling Tub OperatorSolvent Process Extractor OperatorPotato PeelerMolybdenum Steamer OperatorWinemakerRecovery OperatorMill OperatorGlaze HandlerSmutterLard RefinerMash Tub CookerLye Machine OperatorPotato Peeling Machine OperatorGluten Settling TenderFilter Machine OperatorChar-Filter-Tank Tender, HeadCentrifugal-Station Operator, AutomaticShakerSeparating Machine OperatorMasherCoagulation OperatorTobacco StripperChar Filter OperatorSifting OperatorRipening Room AttendantSteep TenderCream Ripener
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