Apparatus and method involving supercritical fluid extraction

Details Apparatus and method involving supercritical fluid extraction Apparatus and method involving supercritical fluid extraction

1986-06-09

1987-12-22

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

162 16, 422256, C07G 100

Patent

active

047145919

ABSTRACT:
An autoclave extraction apparatus where a supercritical fluid is used for supercritical fluid extraction of one or several compounds. The supercritical fluid containing the compoound(s) may then be processed in a pressurized, fluidized, bed reactor under supercritical conditions. The fluidized bed reactor is used to carry out a catalytic reaction of the compound(s). The method is particularly applicable to recover valuable lignin and other extractable components from kraft black liquor.

REFERENCES:
patent: 3811843 (1974-05-01), Morfit et al.
patent: 3969196 (1976-07-01), Zosel
patent: 4221658 (1980-09-01), Hardwick
patent: 4409416 (1983-10-01), Snell et al.

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