Full Job Description

Tends equipment to separate starch from ground potatoes, and adds chemicals to resulting solution to produce starch of specified purity: Flushes shaker screen containing ground potatoes, using water hose, to remove foreign matter and form crude starch suspension. Turns valves to admit suspension and water to settling and rewash tanks in which impurities rise to surface, forming scum. Turns valves to transfer scum (brown starch) to starch tables and settling tanks until all white starch has been separated. Drains salvaged starch into vat, starts agitator, and adds equal volume of water to form white starch suspension prior to drying. Determines acidity, viscosity, and bacteria content of suspension, using pH meter and viscometer. Adds measured amounts of specified chemicals to further purify and preserve product.

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