Polyaluminum chlorides and polyaluminum chlorosulfates methods and compositions

  • US 5,985,234 A
  • Filed: 08/25/1997
  • Issued: 11/16/1999
  • Est. Priority Date: 09/18/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A process for producing polyaluminum chlorosulfate comprising:

  • (a) mixing a first solution comprising sodium aluminate with a second solution comprising basic aluminum chlorosulfate wherein;

    (i) said mixing takes place under conditions of sufficiently high shear to prevent gel formation;

    (ii) the temperature of the mixture is maintained below 50 degrees centigrade; and

    (b) obtaining a clear product solution comprising said polyaluminum chlorosulfate.

View all claims

    Thank you for your feedback