Method of producing ammonia
Patents
| Language: |
Английский |
| Type: |
Patent request |
| Number |
GB 2205561 A |
| Request number: |
8811619 |
| Request date: |
Sep 23, 1987 |
| patent.field.start_date: |
|
| Registration date: |
|
| patent.field.request_publication_date: |
Dec 14, 1988 |
| Authors |
Matros Yu.Sh.
,
Gerasev A.P.
|
| Affiliations |
| 1 |
Boreskov Institute of Catalysis SB RAS
|
|
A method of producing ammonia provides for introducing a nitrogen-hydrogen mixture into a catalyst layer divided into at least two parts by a plane which is perpendicular to the initial gas mixture flow direction. The temperature of the initial gas mixture introduced is 20-250 DEG C, its pressure 10-100 MPa and the temperature of the catalyst before introduction of the inital gas mixture is 420-590 DEG C. The direction of the initial gas mixture introduced into the catalyst is periodically changed to the opposite one. The nitrogen-hydrogen mixture is mixed between the catalyst layers formed during the division of the latter in a ratio of (0.5-1):1 until its temperature gradient between the preceding and subsequent layers of the catalyst does not exceed 20 DEG C. The ammonia generated and the non-reacted part of the nitrogen-hydrogen mixture are extracted from the catalyst layer. The method of producing ammonia enables an end product with a yield of 14-30 % to be obtained.