Job Description:

• 1) Controls equipment that processes coal tar hydrocarbons into intermediate compounds for use in manufacture of dyestuffs and pharmaceutical products: Measures coal tar derivatives, using balance scales and volume indicators.

• 2) Shovels or pumps derivatives into specified containers.

• 3) Observes recording instruments, and adjusts steam, water, and vacuum valves to regulate temperature and pressure during chemical reactions that produce specified intermediates.

• 4) Tests acidity of intermediates, using pH indicators.

• 5) Tests solubility of intermediates in liquids, such as water, alcohol, and chloroform.

• 6) Adds specified chemicals to intermediates to ensure that they meet requirements.

• 7) Dumps ice into intermediates to reduce temperature.

• 8) Pumps intermediates through filter to remove liquid residue.

• 9) Heats intermediates and circulates vapors through condenser lines to isolate components of intermediates.

• 10) May be designated according to equipment tended as Kettle Operator II; Tub Operator; process involved as Bromination Equipment Operator; Sulfonation Equipment Operator; or material produced as Optical-Brightener Maker.