How to remove starch from potatoes ?

The following is the potato processing procedure for how to remove starch from potatoes
potato onveying & cleaning-washing-grating-separating-concentation and refining-dewatering-drying
How to remove starch from potatoes

a. Conveying and cleaning: The fresh potato in storage yard is firstly conveyed to dry sieve for cleaning by forklift. Cleaning mainly remove sand, stone and other foreign matters of potato by rotating the inner spiral of dry sieve for how to remove starch from potatoes. The impurities therefore are effectively removed under the action of collision and friction. 

b. Washing: Washing serves to wash away all the impurities of potato, such as mud, dirt and outer brown peelers for how to remove starch from potatoes. It is required that to check the water source in potato starch manufacturing plant regularly to ensure it is not contaminated.

c. Grating: The cleaned potato is pulverized by a rasper, and the function of grating for how to remove starch from potatoes is to destroy the structure of potato, so as to make sure the tiny starch granules can be disintegrated and separated from the potato cells in potato starch manufacturing process.
Potato starch separating machine


d. Separating: Centrifugal sieve is a potato starch processing machine for fiber separation by principle of high speed centrifugal force for how to remove starch from potatoes.

e. Concerntration and refining: This process is used for removing protein, cell sap and other impurities out of potato slurry. In potato starch production plant, hydrocyclone station is the extensively used machine for how to remove starch from potatoes. DOING full hydrocyclone technology can achieve the concentration, refining and recycling of starch which not only ensures the high quality of final potato starch but also prevent the waste of potato starch in processing.

f. Dewatering: To reduce water content of starch milk to realize the starch water content lower than 40% to facilitate drying operation for how to remove starch from potatoes.
Potato starch drying machine


g. Drying: The flash dryer uses hot air to heat the starch to achieve the purpose of drying for how to remove starch from potatoes. The whole system is in a negative pressure state, and features with no dust and energy saving. After the starch is dried, the water content is between 12% and 14%, which is the standard of the finished product.

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