U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Method of producing methanol synthesis gas

Patent 4994093 Issued on February 19, 1991. Estimated Expiration Date: Icon_subject July 6, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2870096

3069249

Process for production of purified and humidified fuel gas
Patent #: 4075831
Issued on: 02/28/1978
Inventor: McGann

Gasification process
Patent #: 4248604
Issued on: 02/03/1981
Inventor: Woldy ,   et al.

Process for producing hydrogen from synthesis gas containing COS
Patent #: 4254094
Issued on: 03/03/1981
Inventor: Hegarty

Gas-gas quench cooling and solids separation process
Patent #: 4279622
Issued on: 07/21/1981
Inventor: Jones ,   et al.

Production of hydrogen-rich gas
Patent #: 4338292
Issued on: 07/06/1982
Inventor: Duranleau

Hydropyrolysis process
Patent #: 4597776
Issued on: 07/01/1986
Inventor: Ullman ,   et al.

Method of operating a reactor for synthesis gas production
Patent #: 4617051
Issued on: 10/14/1986
Inventor: Knop ,   et al.

Process for upgrading water used in cooling and cleaning of raw synthesis gas Patent #: 4704137
Issued on: 11/03/1987
Inventor: Richter

Inventors

Application

No. 550133 filed on 07/06/1990

US Classes:

48/197R, PROCESSES252/373, Carbon-oxide and hydrogen containing423/655, By reacting water with carbon monoxide518/703Gaseous oxygen utilized in the preliminary reaction

Examiners

Primary: Kratz, Peter

Attorney, Agent or Firm

International Classes

C10J 003/08
C10K 001/02
C10K 001/04
C01B 003/14

Foreign Application Priority Data

1989-07-10 DE

Abstract

In accordance with a method of producing of methanol synthesis gas from a partial oxidation crude gas, the gas is cooled after a waste heat boiler of a gasifier by adding a converted circulating gas in a quenching zone. The resulting gas mixture is dedusted and then separated into a product gas partial stream and a circulating gas partial stream. The product gas partial stream is supplied after corresponding gas treatment to the synthesis reactor while the circulating gas partial stream is subjected to a CO-conversion and supplied back to the quenching zone.

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