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Preparation of high apparent bulk density clays by fluidized activation
Author(s) -
Hasnuddin Siddiqui M. K.
Publication year - 1968
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02540177
Subject(s) - sulfuric acid , bulk density , fluidized bed , chemistry , chemical engineering , water retention , mineralogy , materials science , pulp and paper industry , environmental science , organic chemistry , soil science , soil water , engineering
Fluidizing a free‐flowing mixture of clay and concentrated sulfuric acid in a medium of hot air at 150 C yields an active product of high apparent bulk density (ABD) and consequent low oil retention unlike the conventional “wet” method of activation which yields a fluffy clay with high oil retention. Comparative data on bleaching capacity, ABD and oil retention of the products obtained by both methods are given.

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