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wet-end operator ii

A professional who tends low pressure kettle and auxiliary equipment to coagulate latex particles in thiokol latex suspension. Respnsibilities include:

  • Opens valves and pumps specified amount of latex suspension and water into kettle.
  • Starts agitator and turns steam valve to heat solution to specified temperature.
  • Turns valve to admit acid into solution.
  • Observes processing of solution and coagulation of latex suspension into uniform crumb size.
  • Examines sample to determine clarity of water and turns valves to stop flow of acid into solution.
  • Determines pH of batch, using test papers.
  • Adds alkali to batch to neutralize acid content.
  • Opens outlet valve to transfer suspension to filter or shaker screen for separation of crumb from liquid.
  • May open water valve to cool solution in kettle prior to transfer.
  • May tend auxiliary equipment to dewater crumbs.
  • May record data from operations in log.
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