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The Chemrec process for gasification of black liquor from the chemical pulp industry offers to increase the yield of high-value energy products from 15 to 16% in modern recovery boilers to 22–23% for the BLG electricity concept (BLGCC) or to 55% for the BLG bio fuel concept (BLGMF), with 90+% green-house gas reduction.
Recovery boiler is the part of kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor, which contains lignin from previously processed wood. The black liquor is burned, generating heat, which is usually used in the process of making electricity, much as in a conventional steam power plant .
The black liquor is an aqueous solution of lignin residues, hemicellulose, and the inorganic chemicals used in the process. The black liquor comprises 15% solids by weight of which two thirds are organic chemicals and the remainder are inorganic. [3] Normally the organics in black liquor are 40-45% soaps, [4] 35-45% lignin and 10-15% other ...
Black liquor is a by-product of the paper production process, according to the U.S. Energy Information Administration. Photos captured the brown-looking snow spread across an open sports field.
Indiana's alcohol laws have changed a few times over the years, most recently this year, when the happy hour ban was lifted. Here's what to know. Here's a 12-pack of things you need to know about ...
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A Mathematical Model of the Babcock and Wilcox Black Liquor Recovery Furnace. With Maurice G. Kamienny and Paavo Uronen. Purdue Laboratory for Applied Industrial Control, Schools of Engineering, Purdue University, 1979.
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