METHODS FOR INCREASING PULP COOKING EFFICIENCY Russian patent published in 2019 - IPC D21C3/02

Abstract RU 2698735 C2

FIELD: chemistry.

SUBSTANCE: present invention describes methods for improving processing of cellulose in chemical pulping process. Said methods use ultra-low cost effective doses of boron hydride (BH) used immediately before the boiling process in a stable alkaline solution introduced into white liquor.

EFFECT: high efficiency of the process by saving chemicals, increasing brightness and output of cellulose, as well as reducing the number of Kappa.

3 cl, 5 tbl, 2 dwg

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RU 2 698 735 C2

Authors

Duggirala Prasad J.

Shevchenko Sergej M.

Dates

2019-08-29—Published

2015-07-10—Filed