Water treatment process

Details Water treatment process Water treatment process

C - Chemistry, Metallurgy

02

F

362/54

C02F 1/68 (2006.01) C01B 33/20 (2006.01) C02F 1/52 (2006.01) C02F 1/66 (2006.01)

Patent

CA 2019010

QM 35315 ABSTRACT "WATER TREATMENT PROCESS" Acid water containing toxic levels (> 0.1 ppm) of aluminium is treated to dissolve therein both silicate ions in an amount to create a solution containing at least 40, preferably at least 100, micromoles per litre of silicon and a silicon:aluminium ratio (based on metals) of at least about 6:1 and preferably 10:1 in the water to form a non-toxic complex with aluminium and alkali or alkali metal ions to increase the pH of the water. The preferred treatment agent is a hydraulic calcium silicate, in the form of cement clinker, optionally silicate-enriched with a soluble silicate.

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