Semi-synthetic bleaching earth

Details Semi-synthetic bleaching earth Semi-synthetic bleaching earth

2005-11-30

2009-08-25

Nguyen, Ngoc-Yen M (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Silicon containing

C502S407000, C502S411000, C502S414000, C502S081000, C502S082000, C502S085000, C423S327100, C423S328100, C423S330100, C423S333000

Reexamination Certificate

active

07579299

ABSTRACT:
The invention relates to a process of processing an acid suspension containing at least one solid, wherein (a) the suspension containing at least one solid is mixed with an alkali metal silicate solution, the pH of the mixture being adjusted to a pH of more than 4, and (b) the resulting precipitate which contains the alkali metal silicate and the at least one solid is separated and optionally washed, dried and ground. The mixture according to (a) after aging may be acidified further by the addition of an acid. Furthermore, there are disclosed an adsorbent obtainable according to the preceding process, and the use thereof.

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