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Oil And Grease - Occupations Duties

View related occupations duties grouped under the 'oil and grease' business sector.
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Acidulator Occupation

Job Duties:

  • Tend acidulation tanks auxiliary equipment that separate undesirable compounds from oils
  • Turn valves to fill tanks with basic materials and to admit prescribed amounts of sulfuric acid caustic
  • Start agitator that mixes separates ingredients
  • Start pumps or opens drain valve to transfer separated material into storage tanks
  • May draw sample to test for pH volume, using titration test.

Blender machine Operator Occupation

Job Duties:

  • Tend blending machine that mixes salt with coarse-grained margarine to produce finished product
  • Weigh specified amount of kneaded margarine shovels it into open top of blender
  • Adds specified amount of salt
  • Start paddle of blender to mix ingredients
  • Tips mixing bowl shovels margarine into handtrucks.

Blending plant Operator Occupation

Job Duties:

  • Control equipment to weigh mix vegetable oils for products, like salad oils, shortening, and margarine, according to formula
  • Open valves to pump oils from storage tanks to scale tank
  • Weigh oils pumps specified quantity of each oil into blending tank
  • Draw off sample of mixed oil and examines it for texture color
  • Send sample to laboratory for chemical analysis
  • Turn valves to make adjustments to blending process according to results of tests
  • Pump mixed oil to storage tanks.

Butter Liquefier Occupation

Job Duties:

  • Tend equipment that melts and pasteurizes butter for use in fortifying flavoring margarine
  • Open valves to admit steam to heat chambers of liquefier pasteurizer to prescribed temperatures
  • Place butter blocks on revolving table & starts liquefier to melt deposit liquefied butter into receiving tank
  • Pump melted butter through pasteurizer preset cooling unit into holding tank
  • Weigh adds prescribed ingredients to complete batch
  • Dismantle piping, using handtools
  • Flush lines, and cleans tanks and equipment, using solvents water
  • Maintain operating log temperature charts.

Butter Melter Occupation

Job Duties:

  • Tend equipment that melts and pasteurizes butter for use in fortifying flavoring margarine
  • Open valves to admit steam to heat chambers of liquefier pasteurizer to prescribed temperatures
  • Place butter blocks on revolving table & starts liquefier to melt deposit liquefied butter into receiving tank
  • Pump melted butter through pasteurizer preset cooling unit into holding tank
  • Weigh adds prescribed ingredients to complete batch
  • Dismantle piping, using handtools
  • Flush lines, and cleans tanks and equipment, using solvents water
  • Maintain operating log temperature charts.

Cake Former Occupation

Job Duties:

  • Tend machine that forms cooked oilseed meats into cakes prior to oil extraction
  • Place cloth on cake-forming tray presses lever or pedal to position charging buggy hopper over tray
  • Release oilseed onto tray folds ends of cloth over oilseed meats
  • Lower head metal block into position over tray containing meats, and pulls lever to raise tray against head form oilseed meats into cake.

Cake Puller Occupation

Job Duties:

  • Remove cottonseed cakes from hydraulic presses after extraction of oil
  • Pull lever or turns handwheel to release pressure on ram
  • Knock cake loose moves it to edge of press, using metal rod
  • Place cakes on table for removal of press cloth.

Cake Stripper Occupation

Job Duties:

  • Tend machine that removes cloth wrapper from pressed cottonseed cake
  • Insert end of cloth in which cottonseed cake is wrapped into slotted shaft of cake-stripping machine
  • Press pedal to revolve shaft that strips cloth from cake
  • Place cake onto conveyor for further processing.

Centrifuge Operator Occupation

Job Duties:

  • Tend centrifuge machines to remove solid impurities and water from animal vegetable oils
  • Turn valves to admit steam to jackets of machines
  • Start pumps & opens valves to feed oil to machines to transfer oil to receiving tanks
  • Observe gauges on machines to define when temperature is within prescribed range
  • May rub oil between fingers to detect grit reprocess oil that does not meet company standards
  • May open valves to pump oil through one or more settling tanks to separate water from oil
  • May clean centrifuge settling tanks
  • Does not utilize heat when processing essential oils, like citrus oils, due to volatility of these oils.

Charge Loader Occupation

Job Duties:

  • Tend conveyor that feeds offal, bone, or meat into cookers
  • Open cooker lid conveyor chute above cooker
  • Start conveyor observes ammeter or marker in cooker for defining when to stop conveyor, or sets timer to stop conveyor automatically
  • Clean working area, using broom water hose
  • May tend related equipment that breaks chops material prior to cooking
  • May tend conveyor that feeds horizontal, steam-heated melters cooking vessels be designated Melter Loader meat products .


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