Process for producing porous ammonium nitrate and ammonium nitra

Details Process for producing porous ammonium nitrate and ammonium nitra Process for producing porous ammonium nitrate and ammonium nitra

1997-12-30

2000-02-08

Langel, Wayne

Chemistry: physical processes

Physical processes

Agglomerating

423396, C22B 114, C01C 118

Patent

active

060223863

ABSTRACT:
According to this process, there is used a granulator (10) employing a rotary drum and a fluid bed which is usually employed for producing dense granules for the production of porous granules, For this purpose, the process comprises spraying in this granulator ammonium nitrate in solution and effecting a combined cycle of granulation and drying which causes the formation of pores in the mass of the granules. The drying is then terminated in a drier (20) and the product thereafter is screened and cooled.

REFERENCES:
patent: 2416615 (1947-02-01), Datin
patent: 2798301 (1957-07-01), Antle
patent: 4408998 (1983-10-01), Mutsers et al.
patent: 4409016 (1983-10-01), Mutsers et al.
patent: 5540793 (1996-07-01), Bals et al.
Chemical Abstracts, vol. 90, No. 2, Jan. 3, 1919, Columbus, Ohio, US, Abstract No. 8527, SAEZ SAIZ & AL.: "Drying of porous ammonium nitrate explosives in",rilling"plants using a fluidized bed " XP002040374 *abrege* & ES 456 079 A a Feb, 1978.

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