Title: Preparation method of non-phosphorus washing assistant
Application Number: 87105113 Application Date: 1987.10.30
Publication Number: 1034574 Publication Date: 1989.08.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C01B33/26,C11B3/12
Applicant(s) Name: Dong Xuejie Address:
Inventor(s) Name:
Attorney & Agent: GUO LIHUA
Abstract:
     The present invention is related to a preparation method of non-phosphorus washing assistant. It uses alumina or aluminium hydroxide, sodium hydroxide and sodium silicate as raw materials. First, it uses the sodium hydroxide or the aluminium hydroxide and a part of mother liquor and makes ones pre-reaction and then adds the sodium silicate and another part of mother liquor to make the above-mentioned additive material perform colloidization reaction, and finally adds the seed crystal into the obtained product to make crystallization so as to obtain the white powder-shaped product. The washing assistant of the present invention can absolutely replace the trimeric sodium phosphate in the increasing washing efficiency and its price is cheap, its source of the raw materials is extensive and without environmental contamination.
Time: 9
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