Controls fractionating columns, compressors, purifying towers, heat exchangers, and related equipment to extract nitrogen and oxygen from the air for industrial and therapeutic use: Turns valves in specified sequence to control the flow of air through a series of units that compress and liquefy it, remove carbon dioxide and impurities, and separate resulting product into nitrogen and oxygen.
Observes pressure, temperature, level, and flow gauges to ensure standard operation.
Tests oxygen for purity and moisture content at various stages of the process, using burette and moisture meter
Adjusts equipment according to test results and knowledge of process and equipment.
Opens valves to transfer liquid or gaseous oxygen through a heat exchanger to cool air, heat and vaporize liquid oxygen, and store gaseous or liquid oxygen in storage tanks at specified temperatures and pressure.
Turns valves to transfer compressed oxygen to storage cylinders.
Cleans and repairs equipment, such as replacing defective valves and removing carbon from valves, using handtools and air hoses.
Records gauge readings and test results.
May open valves to convey hot nitrogen through alternate batteries of driers to remove moisture.
May clean and refill the drier with activated alumina.
May operate equipment to extract, compress, and liquefy hydrogen from natural gas and be designated Liquid-Hydrogen-Plant Operator.
Qualifications
Candidates should possess an SSCE / GCE / NECO, OND or HND qualification with 1-2 years work experience