In industrial chemistry, black liquor is the spent cooking liquor 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 spent cooking liquor in the sulfite process is usually called brown liquor, but the terms red liquor, thick liquor and sulfite liquor are also used.
Read more about Black Liquor: Composition, History, Usage, U.S. Tax Credit 2007 - 2010
Famous quotes containing the words black and/or liquor:
“So I won’t hang around in my hospital shift,
repeating The Black Mass and all of it.
I say Live, Live because of the sun,
the dream, the excitable gift.”
—Anne Sexton (1928–1974)
“What it comes down to is this: the grocer, the butcher, the baker, the merchant, the landlord, the druggist, the liquor dealer, the policeman, the doctor, the city father and the politician—these are the people who make money out of prostitution, these are the real reapers of the wages of sin.”
—Polly Adler (1900–1962)