C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
23/1, 134/35
C01F 5/00 (2006.01) C01B 33/20 (2006.01) C01F 7/00 (2006.01) C01F 7/68 (2006.01) C01G 49/00 (2006.01) C02F 1/52 (2006.01)
Patent
CA 1259773
ABSTRACT OF THE INVENTION The present invention is directed to a new and useful group of calcium, zinc and magnesium flocculating agents which may be beneficially utilized to treat and purify waste water and/or other waste liquids resulting from a variety of industrial processes. The general ion free formula of these inorganic flocculating agents is represented as follows: (Me2O3)m?(Me2O3Cl)(m+z)?(MeO)n?(SiO2)t?(SO4)y These flocculating agents may also be represented by the theoretical formula of: MenIIMeoIIMemIII(OH)p(SiO2)t?(Aci)z(SO4)y where: (a) MenII is selected from the divalent cationic group consisting of: (1) Ca2+, (2)Mg2+, (3) Ca2+ and Mg2+, and (4) Zn2+; (b) MeoII is divalent cationic Fe2+; (c) MemIII is selected from the trivalent cationic group consisting of: (1) Al3+, (2) Fe3+ and (3) Al3+ and Fe3+; (d) Aci is selected from the monovalent anionic group consist- ing of: (1) Cl-, (2) Br-, (3) I-, (4) NO3-, (5) CH3COO- and (6) two or more of Cl-, Br-, I-, NO3- and CH3COO- (preferably Aci is Cl-); (e) n = 1 to 5; (f) o = 0 to 10: (g) m = 1 to 15; (h) p = 1 to 15; (i) z = 0 to 15; (j) y = 0 to 15; and (k) t = 0 to 15. Processes for manufacturing flocculating agents belonging to this group of materials are also revealed.
483988
Macrae & Co.
Waldmann John J.
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