page_title: Black liquor
hierarchical_section_title: Black liquor
caption_attribution_description: English: In the New Crops Research Unit (at the National Center for Agricultural Utilization Research) at Peoria, Illinois, technician JoDean Sarins of Vision Paper, Inc., examines black liquor waste from kenaf pulping.
context_page_description: In industrial chemistry, black liquor is the by-product from the kraft process when digesting pulpwood into paper pulp removing lignin, hemicelluloses and other extractives from the wood to free the cellulose fibers.
  The equivalent material in the sulfite process is usually called brown liquor, but the terms red liquor, thick liquor and sulfite liquor are also used.
context_section_description: In industrial chemistry, black liquor is the by-product from the kraft process when digesting pulpwood into paper pulp removing lignin, hemicelluloses and other extractives from the wood to free the cellulose fibers.
  The equivalent material in the sulfite process is usually called brown liquor, but the terms red liquor, thick liquor and sulfite liquor are also used.
caption: A black liquor sample
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