High solids black liquor of reduced viscosity and viscosity redu

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...

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162 29, 162 45, 162 77, 159DIG17, 423DIG3, D21C 1100, D21C 1110

Patent

active

055274277

ABSTRACT:
A high solids black liquor which has solids content of at least 65% by weight of liquor is mixed with a viscosity reducing additive prior to firing in a chemical recovery furnace. The additive is an admixed compound consisting of monoethylene glycol, diethylene glycol and triethylene glycol.

REFERENCES:
patent: 4734103 (1988-03-01), Fong et al.
patent: 4776889 (1988-10-01), Diep et al.
patent: 4787915 (1988-11-01), Meyer et al.
patent: 5201172 (1993-04-01), Hakulin et al.

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