METHOD FOR OBTAINING PRECIPITATED LIGNIN FROM BLACK LIQUOR AND PRECIPITATED LIGNIN OBTAINED THEREOF Russian patent published in 2015 - IPC D21C11/00

Abstract RU 2567352 C2

FIELD: chemistry.

SUBSTANCE: claimed invention relates to method for obtaining precipitated lignin from black liquor, in which method contains the following stages: supply of black liquor flow, processing black liquor at higher temperature and precipitation of lignin from thermally processed black liquor. In addition, claimed invention relates to precipitated lignin, obtained by said method, and to application of obtained precipitated lignin.

EFFECT: increase of method efficiency.

6 cl, 1 dwg, 1 tbl

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RU 2 567 352 C2

Authors

Khannus Mikaehl

B'Erk Marija

Garoff Niklas

Ehnglund Ingrid

Dates

2015-11-10—Published

2011-07-07—Filed