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Operate or tend equipment to control chemical changes or reactions in the processing of industrial or consumer products. Equipment used includes devulcanizers, steam-jacketed kettles, and reactor vessels. Exclude "Chemical Plant and System Operators" (51-8091). |
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- Record operational data such as temperatures, pressures, ingredients used, processing times, or test results.
- Test product samples for specific gravity, chemical characteristics, pH levels, and concentrations or viscosities, or send them to laboratories for testing.
- Add treating or neutralizing agents to products, and pump products through filters or centrifuges in order to remove impurities or to precipitate products.
- Adjust controls to regulate temperature, pressure, feed, and flow of liquids and gases, and times of prescribed reactions, according to knowledge of equipment and processes.
- Control and operate equipment in which chemical changes or reactions take place during the processing of industrial or consumer products.
- Drain equipment, and pump water or other solutions through in order to flush and clean tanks and equipment.
- Draw samples of products at specified stages so that analyses can be performed.
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