A chemical method of the production of "heavy" sodium tripolyphosphate with the high content of Form I or Form II

• Autorzy: Banach M. , Kowalski Z. , Wzorek Z. , Gorazda K.
• Języki publikacji: EN

Abstrakty

EN

Sodium tripolyphosphate STPP is used in laundry detergent as a detergent "builder". The paper presents the chemical method of obtaining "heavy", i.e. with higher bulk density granulated sodium tripolyphosphate. The bulk density of sodium tripolyphosphate was increased by preparing a mixture of the dried sodium phosphates, the recycled subgrain of STPP and water in specific proportions and calcining this mixture for 1 hour at 400°C and 550°C (to obtain a proper STPP form) in the chamber kiln. This method allows producing the granular sodium tripolyphosphate with high bulk density (1.04-1.07 kg/dm3) and a high content of Form I or Form II, respectively.

Słowa kluczowe

EN

sodium tripolyphosphate; high bulk density; granular product

PL

tripolifosforan sodu; gęstość nasypowa

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2009
• Tom: Vol. 11, nr 2
• Strony: 13--20
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Banach M.

autor

Kowalski Z.

autor

Wzorek Z.

autor

Gorazda K.

• Cracow University of Technology, Institute of Inorganic Chemistry and Technology, ul. Warszawska 24, 31-155 Kraków,

Bibliografia

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