- Settore: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who supervises and coordinates activities of workers engaged in producing chlorine, caustic soda, and caustic potash from brine by electrolysis.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in maintenance of electrolytic cells and in drawing off hydrogen and chlorine generated by electrolysis.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in producing hydrogen chloride from decomposition of salt by sulfuric acid.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who supervises and coordinates activities of workers engaged in producing hydrogen chloride from decomposition of salt by sulfuric acid.
* Performs other duties as described under supervisor master title.
Industry:Professional careers
A professional who controls chemical process equipment from instrumented control board or other control station. Respnsibilities include:
* Monitors recording instruments, flowmeters, panel lights, and other indicators, and listens for warning signals to verify conformity of process conditions to plant standards of safety and efficiency.
* Moves control settings or notifies chemical operator iii or other workers to make control adjustments on equipment units affecting speed of chemical reactions and quality and yield of product, using telephone or intercommunications system.
* Notifies maintenance, stationary-engineering, and other auxiliary personnel to correct equipment malfunctions and adjust power, steam, water, or air supply as indicated.
* Confers with technical and supervisory personnel to report or resolve conditions affecting safety, efficiency, and product quality.
* Interprets chemical reactions visible through sight glasses or on television monitor and reviews laboratory test reports to determine need for process adjustments.
* Inspects equipment for potential and actual hazards, wear, leaks, and other conditions requiring maintenance or shutdown.
* Records instrument readings, process conditions, and other operating data in shift log, calculating material requirements or product yield as necessary from standard formulas.
* Manually regulates or shuts down equipment during emergency situations, as directed by supervisory personnel.
* May be designated according to product produced as ammonium sulfate chief operator; according to equipment used as reformer chief operator; or according to chemical process as purification and reaction chief operator; synthesis chief operator.
Industry:Professional careers
A professional who controls catalytic converters to alter chemical composition of liquid or gaseous substances, according to knowledge of process and sequence of operations. Respnsibilities include:
* Turns valves and starts pumps to admit feed stock to converter units at specified rate, and to recycle unreacted products or byproducts to auxiliary equipment.
* Moves controls to regulate temperatures, pressures, and reaction time, according to gauge readings, chart recorders, and knowledge of processing requirements, to maintain efficient operation within specified limits.
* Operates or tends auxiliary equipment, such as heaters, scrubbers, vapor compressors, filters, distillation units, condensers, and humidifiers, to prepare or further process materials entering or leaving converters, according to plant operating procedures.
* Directs activities of catalytic-converter-operator helper.
* Draws samples of materials for laboratory analysis, or tests materials for specified characteristics, using standard gas-analysis procedures and equipment.
* May introduce inert gas into converters to remove explosive vapors or purge catalyst.
* May replace catalyst or tend equipment that regenerates catalyst for reuse.
* May set semiautomatic control system that places equipment units in operating equilibrium, to attain specified products and transfer them for further processing.
* May be designated according to materials produced as Acetaldehyde-Converter Operator; Butadiene-Converter Operator; Ethylbenzene-Converter Operator; Ethylene-Plant Operator; or according to chemical reaction effected as Dehydrogenation-Converter Operator; Ethylbenzene Hydrogenator; Ethylbenzene Oxidizer.
Industry:Professional careers
A professional who controls catalytic converters to alter chemical composition of liquid or gaseous substances, according to knowledge of process and sequence of operations. Respnsibilities include:
* Turns valves and starts pumps to admit feed stock to converter units at specified rate, and to recycle unreacted products or byproducts to auxiliary equipment.
* Moves controls to regulate temperatures, pressures, and reaction time, according to gauge readings, chart recorders, and knowledge of processing requirements, to maintain efficient operation within specified limits.
* Operates or tends auxiliary equipment, such as heaters, scrubbers, vapor compressors, filters, distillation units, condensers, and humidifiers, to prepare or further process materials entering or leaving converters, according to plant operating procedures.
* Directs activities of catalytic-converter-operator helper.
* Draws samples of materials for laboratory analysis, or tests materials for specified characteristics, using standard gas-analysis procedures and equipment.
* May introduce inert gas into converters to remove explosive vapors or purge catalyst.
* May replace catalyst or tend equipment that regenerates catalyst for reuse.
* May set semiautomatic control system that places equipment units in operating equilibrium, to attain specified products and transfer them for further processing.
* May be designated according to materials produced as Acetaldehyde-Converter Operator; Butadiene-Converter Operator; Ethylbenzene-Converter Operator; Ethylene-Plant Operator; or according to chemical reaction effected as Dehydrogenation-Converter Operator; Ethylbenzene Hydrogenator; Ethylbenzene Oxidizer.
Industry:Professional careers
A professional who controls catalytic reactor to convert monovinylacetylene into unpolymerized constituent of neoprene rubber, according to knowledge of process and sequence of operations. Respnsibilities include:
* Opens valves to admit water and nitrogen to system, removing air to prevent fires or explosions.
* Admits specified chemicals to system and observes their color to detect presence of oxygen.
* Sets valves and controllers to maintain prescribed positive pressure in system.
* Turns valves to circulate hydrogen chloride solution through gas scrubbers and to pass vaporized monovinylacetylene through solution that removes impurities.
* Starts reaction system or directs cd-reactor operator to start system.
* Adjusts valves, flowmeters, and automatic controllers to obtain specified equilibrium between gas feeds and to maintain pressures and temperatures within specified limits.
* Determines adjustments required to avert or correct emergency situations with minimum loss in time and yield.
* Starts condenser to remove unreacted monovinylacetylene from product.
* Inspects equipment and arranges for cleaning and repairs.
* Drains and steam-cleans processing equipment and lines during shutdowns, using steam generator and hose.
* Draws samples of products for laboratory analysis.
* Records operational data in log.
Industry:Professional careers
A professional who controls saturator tank and auxiliary equipment to precipitate ammonium sulfate by reaction of ammonia with sulfuric acid. Respnsibilities include:
* Turns valves to admit sulfuric acid and liquid or gaseous ammonia to saturator until precipitation occurs, and to regulate saturation of solution, using titration test to determine acidity of bath.
* Observes temperature and pressure gauges to ascertain that process conditions meet plant standards, and turns valves to maintain operating equilibrium within specified range.
* Notifies supervisor or starts pumps to discharge precipitate onto drain table to settle out crystals, and pumps strained liquor back to bath.
* Records gauge readings for operating log.
* May move controls to reheat gas prior to saturation.
* May tend centrifuge to dry ammonium sulfate.
* May take samples of product and constituents for laboratory analysis.
Industry:Professional careers
A professional who controls equipment, such as washers, rectifiers, acid pots, and mixing tanks arranged in series to recover tar acids from coal-tar oils. Respnsibilities include:
* 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.
* Performs routine tests at different processing stages to determine effectiveness of treatment.
* Samples products for laboratory analysis, and interprets results of analyses to make adjustments in processing operations and to control quality and quantity of production.
* Inspects equipment for operating efficiency, lubricates equipment, and makes minor repairs and adjustments.
Industry:Professional careers
