Title:
PROCESS FOR THE PRODUCTION OF AMMONIA AND STREAM SUPERHEATER
Document Type and Number:
WIPO Patent Application WO/2009/156085
Kind Code:
A3
Abstract:
Process for the production of ammonia from a hydrocarbon feedstock all steam produced in the waste heat boilers of the reforming and ammonia section of the plant is superheated in one or more steam superheaters located downstream the ammonia converter in the ammonia section of the plant. There is no need for steam superheater (s) in the reforming section of the plant to cool the synthesis gas. A steam superheater for use in the process is also provided. The superheater comprises two compartments in which the first and second compartments are connected in series with respect to the steam flow and in parallel with respect to the process gas flow.
Inventors:
STAHL HENRIK OTTO (DK)
HAN PAT A (US)
HAN PAT A (US)
Application Number:
PCT/EP2009/004360
Publication Date:
August 26, 2010
Filing Date:
June 17, 2009
Export Citation:
Assignee:
HALDOR TOPSOE AS (DK)
STAHL HENRIK OTTO (DK)
HAN PAT A (US)
STAHL HENRIK OTTO (DK)
HAN PAT A (US)
International Classes:
C01C1/04; C01B3/02; C01B3/38; F22B1/18; F28D7/00; F28D7/06; F28F9/26
Foreign References:
| US20060228284A1 | 2006-10-12 | |||
| US4213954A | 1980-07-22 | |||
| US4545976A | 1985-10-08 | |||
| EP0268469A1 | 1988-05-25 | |||
| EP0535505A1 | 1993-04-07 | |||
| US6726851B1 | 2004-04-27 | |||
| US5845703A | 1998-12-08 | |||
| EP1610081A1 | 2005-12-28 | |||
| GB2089951A | 1982-06-30 | |||
| EP0274006A1 | 1988-07-13 | |||
| US4907643A | 1990-03-13 |
Attorney, Agent or Firm:
HALDOR TOPSØE A/S (Kgs. Lyngby, DK)
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