Methanation process start-up

Details Methanation process start-up Methanation process start-up

1977-11-02

1978-11-28

Bashore, S. Leon

Gas: heating and illuminating

Processes

Fuel mixtures

2604496M, C10K 304

Patent

active

041273923

ABSTRACT:
A start-up method for a methanation process wherein a plurality of catalyst beds are used. The method comprises heating a first catalyst bed to a suitable temperature and thereafter charging a synthesis gas in mixture with an inert diluent to the first catalyst bed. The product stream from the first catalyst bed contains an excess of hydrogen and is passed to a second catalyst bed thereby heating the second catalyst bed. At least a portion of the product stream from the first catalyst bed is recycled to form the inert diluent used with the synthesis gas stream passed to the first catalyst bed.

REFERENCES:
patent: 3870738 (1975-03-01), Tamanoto et al.
patent: 3904389 (1975-09-01), Banquy
patent: 3967936 (1976-07-01), Tajbl et al.
patent: 4005996 (1977-02-01), Hausberger et al.
"Methanation of Synthesis Gas", Seglin (Editor), 1974, 168th meeting of Division of Fuel Chem., ACS, pp. 87-90, 113-117, 123-130.

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