Electrolysis: processes – compositions used therein – and methods – Electrolytic material treatment – Organic
Patent
1996-07-12
1997-09-16
Gorgos, Kathryn L.
Electrolysis: processes, compositions used therein, and methods
Electrolytic material treatment
Organic
205693, 205510, 205511, 205513, C25F 100, C25B 116
Patent
active
056676689
ABSTRACT:
Pulping chemicals and hemicellulose are recovered from a starting solution essentially free of lignin but containing a mixture of hemicellulose and caustic by electrolyzing this solution in the anolyte compartment of an electrolytic cell. By electrolysis, the concentration of caustic in the anolyte is decreased and the concentration of caustic in a catholyte of said cell is increased so as to allow recovery of about 60 to about 80 percent of the caustic present in the hemicellulose caustic starting solution.
REFERENCES:
patent: 3806403 (1974-04-01), Ferguson
patent: 5034094 (1991-07-01), Kurple
patent: 5061343 (1991-10-01), Azarniouch et al.
patent: 5370771 (1994-12-01), Nilsson
patent: 5374333 (1994-12-01), Nykanen et al.
Gallivan Timothy J.
Jackson John R.
Loftfield Richard E.
Moran Stephen W.
Gorgos Kathryn L.
Huron Tech Corp
Noguerola Alex
Pierce Andrew E.
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