Process for recovering oxygen from air

Details Process for recovering oxygen from air Process for recovering oxygen from air

1977-07-15

1978-05-16

Meros, Edward J.

Chemistry of inorganic compounds

Oxygen or compound thereof

252372, C01B 1308

Patent

active

040899381

ABSTRACT:
A process is provided for recovering oxygen from air and particularly providing a product stream comprising a mixture of oxygen and steam useful, for example, in coal gasification processes. The instant process involves contacting a suspension of manganese dioxide in an aqueous solution of sodium or potassium hydroxide with air in a low pressure absorbing zone. The resulting liquid oxygen enriched stream is then pumped into a relatively high pressure generating zone where it is contacted with steam to release oxygen absorbed in the absorbing zone and thereby provide the above mentioned product.

REFERENCES:
patent: 70705 (1867-11-01), Du Motay
patent: 86248 (1869-01-01), Phillips
patent: 588617 (1897-08-01), Stuart
patent: 1124304 (1915-01-01), Danckwardt
patent: 2421381 (1947-06-01), Jenness

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