Process for the reduction of the particle size of coarse grain z

Details Process for the reduction of the particle size of coarse grain z Process for the reduction of the particle size of coarse grain z

1981-05-18

1982-07-13

Bernstein, Hiram

Chemistry: physical processes

Physical processes

241 21, B02C 1916

Patent

active

043392440

ABSTRACT:
A process for the reduction of the particle size of coarse grain, crystalline zeolitic sodium aluminosilicate of the NaA type obtained in an aqueous alkaline suspension by crystallization of a reaction mixture suspension formed from sodium aluminate solution and sodium silicate solution, said sodium aluminosilicate having a large cation exchange capacity consisting essentially of subjecting said aqueous alkaline suspension of the crystallized sodium aluminosilicate to treatment on a vibrating screen having a substantially uniform mesh size between 25 to 100 .mu.m, the number of vibrations per minute and the amplitude of oscillation of said screen being so selected that at least 99.95 percent by weight, based on the anhydrous weight, of sodium aluminosilicate particles recovered have a particle size of less than 100 .mu.m, the said aqueous alkaline suspension of the crystallized sodium aluminosilicate having a molar ratio of 2.5-5 Na.sub.2 O:1 Al.sub.2 O.sub.3 :1.8 to 2 SiO.sub.2 :50-100 H.sub.2 O.

REFERENCES:
patent: 2298182 (1942-10-01), Strube
patent: 3582379 (1971-06-01), Hackbarth et al.
patent: 3853535 (1974-12-01), Mogyorosi et al.
patent: 4150100 (1979-04-01), Kettinger et al.
patent: 4173622 (1979-11-01), Robertson

Affiliated with

Also associated with

Rating

Process for the reduction of the particle size of coarse grain z does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the reduction of the particle size of coarse grain z, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the reduction of the particle size of coarse grain z will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-202368