Recovery of tall oil soaps

D - Textiles – Paper – 21 – C

Patent

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9/36.7

D21C 11/00 (2006.01) C09F 1/00 (2006.01)

Patent

CA 1067254

ROBERT V. GOSSAGE RECOVERY OF TALL OIL SOAPS ABSTRACT A method for increasing the yield of tan oil soaps from Kraft black liquor in the manufacture of paper pulp by treating the Kraft black liquor with a sodium lignosulfonate solution containing sodium hydroxide. In addition the solution may also contain a low molecular weight polyacrylate.

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