PHYSICO - CHEMICAL PROPERTIES OF BLACK LIQUOR GENERATED FROM SODA PULPING OF FRESH AND STORED BAGASSE

PHYSICO - CHEMICAL PROPERTIES OF BLACK LIQUOR GENERATED FROM SODA PULPING OF FRESH AND STORED BAGASSE
Author(s):
Harish Chandra, Rakesh Dhaundiyal, Sandeep Negi, Deepali Singhal, H V Pant
Keywords:
Black liquor, soda pulping, Bagasse
Abstract
Black liquor obtained after soda pulping of bagasse is a complex mixture of organic and inorganic components and thus exhibit typical physic- chemical properties. The properties of black liquor depend upon the type of raw material, methods of cleaning, storage methods and storage period. This paper investigates the physico- chemical characterization and comparison of the black liquor generated from fresh and stored bagasse soda pulping process. The chemical characterization of black liquor obtained after 15%,16% and 17% . soda pulping was done by using important parameter like total solid, residual active alkali, elemental composition, organic to inorganic salts and various other non process elements(NPE) like chloride, potassium, sulphur and silica. Present paper shows the effect of storage on the pulp yield and quality of black liquor. Results are discussed at adequate length in the paper.
Article Details
Unique Paper ID: 158483 Publication Volume & Issue: Volume 8, Issue 6 Page(s): 643 - 650
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