Method and apparatus for processing black liquor of pulp mill

Details Method and apparatus for processing black liquor of pulp mill Method and apparatus for processing black liquor of pulp mill

D - Textiles, Paper

21

C

D21C 11/12 (2006.01)

Patent

CA 2715950

The invention relates to a method and apparatus for processing the black liquor of a pulp mill to recover the chemicals and energy therein. In the invention, the black liquor is pyrolyzed in a pyrolysis reactor (4), formed gaseous components are lead for utilization, sand is returned to a fluidised-bed boiler, and solid matter is mixed with water, whereby a soda-water solution is returned to the pulping process and solid carbon to the fluidised-bed boiler (1).

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