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[Chemical Knowledge]：What are the upstream raw materials of food grade caustic soda? What do the downstream products contain?

Read： 350 Time：13months ago Source：Transform the World with Simplicity

Food grade flake alkali (sodium hydroxide) plays an important role in the field of chemical production raw materials, and its upstream and downstream related products are extensive. The following are some upstream and downstream related products related to food-grade caustic soda:

1. Upstream products:
(1) Salt: Salt is the main raw material for the production of sodium hydroxide, which can be produced by electrolyzing salt water.
(2) Electricity: The electrolysis process consumes a lot of electricity, so electricity is also one of the important costs of producing sodium hydroxide.

2. Downstream products:
(1) Food additives: Food-grade flake alkaloids can be used as acidity regulators, antioxidants, etc., for the production of various food additives, such as acidulants, preservatives, antioxidants, etc.
(2) Soaps and detergents: Sodium hydroxide can be used to produce various soaps and detergents, with decontamination, emulsification, dispersion and other functions.
(3) Pulp and paper: Sodium hydroxide can be used for the boiling and bleaching of pulp, as well as the preparation of chemicals in the papermaking process and the pH adjustment of paper.
(4) Water treatment agent: Sodium hydroxide can be used in water treatment to adjust the pH value of water quality and remove heavy metal ions.
(5) Pharmaceutical intermediates: Food grade flake alkali can be used as raw materials to produce some pharmaceutical intermediates for the pharmaceutical industry.

In short, food-grade caustic soda is widely used in the field of chemical production raw materials, and its upstream and downstream related products cover food, daily chemicals, papermaking, water treatment, medicine and other fields.

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