Process for the production of a low density activated...

Details Process for the production of a low density activated... Process for the production of a low density activated...

B - Operations, Transporting

01

J

252/1.G

B01J 37/10 (2006.01) B01J 21/04 (2006.01) B01J 37/00 (2006.01)

Patent

CA 1164432

- 1 - Abstract: The invention provides an improved process for the production of a low density formed product made of an activated alumina having a large macro-pore volume and good abrasion resistance. The process comprises mixing with water a solid material selected from an at least partially rehydratable alumina powder and a mixture of such alumina and an other solid material, the solid material having an average particle size of 1 micron to 35 micron and a quarter deviation of particle distribution of not more than about 1.5, forming the mixture of the solid material and water into various shapes, re-hydrating the formed product by keeping it in a humid atmosphere or under water, and calcining the resulting re-hydrated product.

375633

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