Process for recycling gaseous reactants used for _regenerating a

Details Process for recycling gaseous reactants used for _regenerating a Process for recycling gaseous reactants used for _regenerating a

1978-06-20

1980-08-19

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208140, 252418, 422190, 422213, 422216, 423241, B01J 2396, B01J 2120, C10G 3508, C10G 3512

Patent

active

042183383

ABSTRACT:
A hydrocarbon hydroconversion catalyst is regenerated by (a) combustion, (b) chlorination or oxychlorination and (c) treatment with an oxygen-containing gas, and the gas discharged from the regeneration zone, before re-use, is (a) cooled down to below 70.degree. C., (b) subjected to double washing and (c) dried to reduce the water content of the gas to less than 2,500 ppm. An apparatus is also disclosed, certain parts of which are made of a material strongly resistant chlorine and other parts of a less resistant material with respect thereto.

REFERENCES:
patent: 2617713 (1952-11-01), Ayers et al.
patent: 2905626 (1959-09-01), Sutherland
patent: 2952611 (1960-09-01), Haxton et al.
patent: 3172832 (1965-03-01), Dreyer et al.
patent: 4133743 (1979-01-01), Boret et al.

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