Job Description: 1) Tends equipment that filters acid liquor from slurry and dehydrates residual materials for further processing: Opens feed valves and starts rotary drum that filters liquor from slurry. 2) Turns valves to transfer residue to dehydration unit. 3) Adjusts controls to regulate temperature, pressure, and speed of material flow as specified to dry […]
Job Description: 1) Controls rotary or spray sulfur furnaces and alkali absorption towers to make cooking acid for use in digesting woodpulp: Moves controls and observes gauges to regulate combustion chamber, speed of furnace rotation, and volume of liquid sulfur in furnace to maintain specified temperature and acidity required to produce sulfur dioxide gas. 2)
Job Description: 1) Controls equipment, such as washers, rectifiers, acid pots, and mixing tanks arranged in series to recover tar acids from coal-tar oils: Starts pumps to circulate oil through equipment, and opens valves at various stages to treat oil with chemicals, carbon dioxide, and steam, according to specified instrument readings. 2) Performs routine tests
Job Description: 1) Adjusts specific gravity of electrolyte in battery cells or in plate-forming tanks to concentration specified: Ascertains temperature and specific gravity of solutions, using thermometer and hydrometer. 2) Turns valves or lever to drain acid or water into cells or tanks to adjust specific gravity of solutions. 3) Connects batteries to charging line
Job Description: 1) Designs equipment and devises chemical processes to remove and separate components of gas mixture or liquid solutions by absorption and adsorption, using knowledge of chemistry and engineering: Devises processes and directs workers, using equipment, such as crushers, grinders, kilns, screens, pumps, compressors, pipelines, valves, tanks, and separators. 2) Directs workers controlling flow
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