How is potato starch made?

The starch processing industry takes potato, sweet potato, cassava and other starchy crops as the raw material to extract high-quality starch. Potato as an important starch raw material has to go through many processes to finally get edible starch. But how is potato starch made? Then we will answer this question for you.

Here are the production processes of how is potato starch made
Potato cleaning-washing-grinding-separating-desanding-concentrating and refining-dehydrating-drying-packing

Potato& potato starch

1.The potato cleaning
In the process of how is potato starch made, the first step is cleaning the raw material. The cleaning machine is dry sieve which can effectively remove the small stones, dirt, sand and other impurities out of potato. With the help of the inner spirals, the potato move steady forward without damage the raw material.

2.The potato washing
The cleaned potato is conveyed to the paddle washing machine which is a widely used for the process of how is potato starch made. The paddle washing machine is a high efficiency washing machine which takes countercurrent washing principle. The water moves in the converse direction with the potato so that the washing effect is greatly improved. The large capacity and easy handling characteristics of this machine makes it save labors for the factory.

3.The potato grinding
The next machine for how is potato starch made is the rasper which is used to grinding the washed potato into potato slurry. Rasper is an ideal machine for extraction of starch from potato which has the features of high speed, high grinding coefficient and high starch extraction rate. The rasper of DOING uses the Germany Opitbelt, an advanced toothed belt which can increase the service life of the machine.
4.The potato starch separating
The starch slurry contains protein, fiber, cell sap and other impurities. Therefore it is necessary to separate these from starch to produce high quality starch. In this process of how is potato starch made, the centrifuge sieve is the mainly used potato starch manufacturing machine. The purpose of centrifuge sieve is to separating the fiber from the starch slurry. This machine has two important features, the stainless steel structure and the titanium plate material for the screen mesh.

5.The potato starch desanding
Due to the high sand content in starch, the desander is needed to remove sand form the starch slurry for how is potato starch made. The desander can remove sand from starch at one time and improve the product quality to a higher level. The desander separates sand from starch by using different densities of sand and starch.

6.The concentrating and refining
Then the used machine is hydrocyclone station which is mainly used to remove the fine fiber, protein and cell sap. This is the concentrating and refining process for how is potato starch made. The hydrocyclone pipe is made of strengthened nylon which is solid and durable. The hydrocyclone station of Doing Company is designed to recycle the starch milk to avoid the loss of starch and can achieve continuity of the starch production.
7.The potato starch dehydrating
After that, the starch need to be dehydrated in the vacuum filter. The starch vacuum filter is widely used starch dehydration device for the process of how is potato starch made. The contact material part is made of stainless steel so that the starch will not get polluted. And the filter slot equipped with paddle stirrer to prevent starch deposition. With good performance and high dehydrating rate, DOING vacuum filter is a good choice for starch production enterprise.

8.The potato starch drying
After dewatering, the water content in starch is still high so it need the drying process for how is potato starch made. The potato starch processing machine used in this process is flash dryer. The flash dryer adopts the negative pressure drying system which can effectively reduces the loss of the starch and meanwhile purifies the working environment. The high speed hot air dry the starch just in 2-3 seconds which has an significant energy saving effect.


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