C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/26 (2006.01) B01D 21/01 (2006.01) C02F 1/52 (2006.01) C02F 1/60 (2006.01) C02F 1/64 (2006.01) D21H 21/10 (2006.01)
Patent
CA 2085188
ABSTRACT The present invention relates to a process for the preparation of a coagulant for water purification, in particular purifica- tion of sewage water, for pulp and paper manufacture, for dewa- tering organic matter, for concentrating minerals, and contain- ing a metal salt and silicate, whereby a solid zeolite is dis- solved in a solution of trivalent metal salt in a molar ratio Me3+:Si of >2:1, preferably 2-500:1, as well as a coa-gulant.
Nilsson Rolf O.
Stendahl Kjell-Erik
Fetherstonhaugh & Co.
Kemira Kemi Aktiebolag
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