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2 021 235

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IPC

(21) (22)

Application

4933600/26, 1991-01-11

(22)

Actual filing date

1991-01-11

(45)

Published

1994-10-15

(72)

Inventor

Sukhoruchenkov A.I.Kutuzov B.N.Karpov V.V.Garbovitskij-Gordon A.I.Vavilov V.N.Kulikov V.S.

(73)

Holder

Moskovskij Gornyj InstitutNauchno-Proizvodstennoe Kooperativno-Gosudarstvennoe Ob"Edinenie

POROUS AMMONIUM NITRATE PRODUCTION PROCESS Russian patent published in 1994 - IPC

Abstract RU 2021235 C1

FIELD: chemical industry and agriculture. SUBSTANCE: heat treatment is performed in the field of cryogenic temperatures. Liquid or gaseous nitrogen which serves simultaneously as a heat-carrier is used as a foaming agent. One of the pore-forming variants is a "boiling layer" which is obtained when the flow of gaseous nitrogen passes through granulated ammonium nitrate. Gaseous nitrogen is obtained at the effect of temperature exceeding 196 C on liquid nitrogen. EFFECT: more efficient ammonium nitrate production process. 2 cl, 3 tbl

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RU 2 021 235 C1

Authors

Sukhoruchenkov A.I.

Kutuzov B.N.

Karpov V.V.

Garbovitskij-Gordon A.I.

Vavilov V.N.

Kulikov V.S.

Dates

1994-10-15—Published

1991-01-11—Filed