SU71651A1 - Method for producing iron-molybdenum catalyst for decomposition of ammonia - Google Patents

Description

The invention of ripca.iaiaeTcr is method 1 of rifot. catalyst for decomposition.

As a carrier, rns-roTOB / ienHH was rolled: the atoms were washed with clay and clay. Catalyst: ludpt iron, industrial molybdenum.

Catalyst fabrication o.wellable slalom um sbrazo: M.

Per 100 g of the finished mixture, 42.8 g of iron-and-iron nitrogen are taken; i 6.7 with molyblata-ammoia. A mixture of co.ic ;; dissolved in 25 cm of distilled: -; oi water. 10.7 g are added to the solution and evaporated: water and the mass is dried at 100 °, after which the mixture is removed and used until the oxidation of nitrogen oxides is stopped.

The resulting dry mass of the furnace is measured in powder, sifting through a sieve (560 by 1 cm and to the sifted dobvgipst mass sifted through Td with the same chamotte 2-1.8 g and clay 15 g. Before and before the floor, the dough is thick (the masses from which are; make sharps.

The obtained balls are dried at 100-110 ° for 7-8 hours, after which they are calcined nr: and 1000 ° IB. For 7 hours. Proc .; 5lepps gp-ariki consist of clay, maiMOTa. ochep zhe.cheza and oxide molpbdona.

For active Jati catal. -. Torahs, iron oxides and molpd-ene are reduced to free metals, which is done indiscriminately, but; In the cpc-ing-apparatus for decomposition: a1 miak. A catalyst is placed in the coil and, during cold weather, with a gradual rise in temperature, is passed. The dissociation of ammonia initially goes very slowly, but with the passage of time, the catalyst is activated and the dissociation process and acceleration process is accelerated. Restoration lead for 5-6 hours. first at 500-600 ° -3 hours, then at BOO-750 ° for 2-3 hours. About the end of the recovery process by stopping the occurrence of moisture vapor in the outgoing gas stream.

No. 71651

The catalyst thus obtained is through 6 4aic. after the start, it was reduced: en1i at 700-800 ° 97% decomposition of ammonia. After 3 months of practical testing of the catalyst, no deterioration in the quality of the gas was observed.

P 5 e d eme and z o breet s; n and

The method of producing an iron-molybdenum iron digester of ammonium decomposition, characterized in that a solution of iron nitrate and admonmonium molybdate is mixed with clay, extruded | Ivayut, dried and calcined, then the mass (crushed, again mixed with chamotte, glyme, | dough, balls of the latter are made from the latter, the grains are dried, calcined and restored, and they are fed in 1Krek (I) ammonia chamber; m at elevated temperature.