New 3-step process for conversion of kraft lignin from black liquor into green diesel
Green Car Congress
JUNE 1, 2016
The kraft process converts wood into wood pulp for paper production. The process produces a toxic byproduct referred to as black liquor—a primarily liquid mixture of pulping residues (such as lignin and hemicellulose) and inorganic chemicals from the Kraft process (sodium hydroxide and sodium sulfide, for example).
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