Dennis R. Taylor - Willoughby Hills OH Charles B. Ungermann - Livermore CA
Assignee:
Engelhard Corporation - Iselin NJ
International Classification:
B01J 2116 B01J 2012
US Classification:
502 81
Abstract:
A process for making acid-activated bleaching earth from certain naturally occurring mixtures of calcium bentonite and attapulgite clay. The process involves treating such clay with low levels of activating acid which are mixed with the dried and ground clay, or spray dried from slurries containing the clay-acid mixture. Advantages include: lower acid costs/unit mass of clay treated, lower production costs (no washing, filtering, or waste treatment steps) and environmental soundness (no harmful environmental waste products are produced).
Process For Making Acid Activated Bleaching Earth Using High Susceptibility Source Clay And Novel Bleaching Earth Product
Dennis R. Taylor - Willoughby Hills OH Charles B. Ungermann - Livermore CA
Assignee:
Engelhard Corporation - Iselin NJ
International Classification:
B01J 2012 B01J 2030
US Classification:
502 83
Abstract:
A process for making acid-activated bleaching earth from a crude attapulgite clay. A crude is selected which is mildly acidic and contains at least about 90% attapulgite. The process involves treating such clay with low levels of activating acid which are mixed with the dried and ground clay, or spray dried from slurries containing the clay-acid mixture. Advantages include: lower acid costs/unit mass of clay treated, lower production costs (no washing, filtering, or waste treatment steps) and environmental soundness (no harmful environmental waste products are produced).
David Peterson - Pleasanton CA James D. McManus - Tracy CA Thomas B. Ottoboni - Belmont CA Charles B. Ungermann - Livermore CA Gregory Van Buskirk - Danville CA Boli Zhou - Antioch CA
International Classification:
C11D 339 C11D 172 B01J 1300 D06L 302
US Classification:
510277
Abstract:
A stable liquid peracid precursor composition for delivering a bleaching and cleaning material is provided in which the liquid peracid precursor composition combines a dispersion medium which comprises a stabilizing effective amount of a liquid matrix and an emulsifier, and a dispersed phase that comprises a peracid precursor. The bleaching and cleaning material comprises either a hydrophobic or hydrotropic generated mono- or diperoxyacid, or mixtures thereof.
David Peterson - Pleasanton CA James D. McManus - Tracy CA Thomas B. Ottoboni - Belmont CA Charles B. Ungermann - Livermore CA Gregory van Buskirk - Danville CA Boli Zhou - Antioch CA
Assignee:
The Clorox Company - DE
International Classification:
C11D 738 C11D 754 D06L 302
US Classification:
510277
Abstract:
A stable liquid peracid precursor composition for delivering a bleaching and cleaning material is provided in which the liquid peracid precursor composition combines a dispersion medium which comprises a stabilizing effective amount of a liquid matrix and an emulsifier, and a dispersed phase that comprises a peracid precursor. The bleaching and cleaning material comprises either a hydrophobic or hydrotropic generated mono- or diperoxyacid, or mixtures thereof.
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