Hangzhou Asia Chemical Engineering Co., Ltd.

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Sodium Tripolyphosphate Plant

Product Details:

Product Type STPP
Place of Origin China
Brand Name asia chemical
Model Number Different Types Production

Payment & Shipping Terms:

Minimum Order Quantity: 1 Set/Sets
Packaging Details: Wooden Packing,as wed as other sea worthy Packing
Delivery Time: 60 days
Payment Terms: T/T or L/C
Supply Ability: 10 Set/Sets per Quarter

Detailed Product Description


STPP is one of the most important ingredients in detergent powder formulation. Its
chemical formula is Na5P3O5.The STPP preparation process is composed of three steps: preparation of phosphoric
acid from phosphate rocks, sodium pyrophosphate from neutralization of the acid,
and finally the formation of STPP by condensation and polymerization of the sodium
pyrophosphate.There are two processes now in common use for preparing STPP:1.Wet processConverse ingredients in the phosphate rocks into their corresponding sulfuric salt
and phosphoric salt. The liquid phosphoric acid is neutralized in next sectioninto sodium pyrophosphate, then the phosphate to be condensed and polymerized into
STPP.2.Thermal processFeed phosphate rocks, coke and silicate rocks into an electric furnace to obtain
phosphorus. The phosphorus is burned, and phosphorus pentoxide is formed. The later
is hydrated and polymerized into STPP.

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Company Info

Hangzhou Asia Chemical Engineering Co., Ltd.
[China (Mainland)]
[Verified Member]

City: Hangzhou
Province/State: Zhejiang
Country/Region : China (Mainland)

Business Type:Manufacturer

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