Glossary entry (derived from question below)
English term or phrase:
black liquor
Spanish translation:
licor negro
English term
black liquor
Black liquor (BL), a by-product of the chemical pulping process, is an important liquid fuel in the pulp and paper industry. It contains almost all of the inorganic cooking chemicals along with the lignin and other organic matter separated from the wood during pulping in the digester. (LULEÅ UNIVERSITETSBIBLIOTEK )
Sometimes, people just need to make the best with what they have got to work with. This is what paper mills are trying to do by burning the "black liquor" waste which is a leftover remnant of chemicals and the lignin. As part of the Kraft process, the leftovers are burned to create steam which turns large generators, which in turn provide electricity for the plant. (AutoblogGreen)
The black liquor waste stream is converted from the paper pulping process into synthesis gas. The synthesis gas can then be processed into a variety of fuels—likely dimethyl ether (DME) and methanol (MeOH), although fuels such as Fischer-Tropsch diesel (FTD), Synthetic Natural Gas (SNG), or hydrogen are also possible. (Conventus Communication AB)
5 +2 | licor negro | Gabi Ancarol (X) |
5 +1 | Licor negro o acetato de hierro | Carmen Martinez |
Apr 23, 2009 19:49: changed "Kudoz queue" from "In queue" to "Public"
Apr 24, 2009 07:54: changed "Stage" from "Preparation" to "Submission"
Apr 27, 2009 08:54: changed "Stage" from "Submission" to "Completion"
Apr 27, 2009 09:18: Gabi Ancarol (X) changed "Edited KOG entry" from "<a href="/profile/0">'s</a> old entry - "black liquor"" to ""licor negro""
Proposed translations
licor negro
Licor Negro: residuo generado en el proceso de cocción química de las astillas para la obtención de pulpa química, kraft o pasta woodfree. (celulosa y papel)
El licor verde proviene, básicamente, de la ceniza originada por la combustión del licor negro; sus principales compuestos químicos son sulfito de sodio (Na2 S) y carbonato de sodio (Na2 CO3) mezclado con agua, el cual, luego de caustificarse y agregársele componentes químicos (principalmente cal viva –CaO) se regenera como licor blanco. Éste se filtra, se almacena en estanques especiales y posteriormente será utilizado en la fase de Cocción. Del proceso de filtrado del licor blanco se retiran los compuestos no disueltos, formándose los lodos (CaCO3), a los cuales se les extrae la humedad para luego ser quemados en hornos de cal junto con la caliza, transformándolos, así, en cal viva, la que servirá posteriormente para la conversión del licor verde a licor blanco. (papelnet)
agree |
huilqui
8 hrs
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gracias Huilqui
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agree |
Veronica Ojeda Elgue
: De acuerdo
16 hrs
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gracias Verónica
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Licor negro o acetato de hierro
El licor negro -compuesto principalmente de material orgánico disuelto (lignina) y sales residuales del licor blanco-, sigue un proceso de concentración mediante evaporadores de múltiples efectos. (papelnet.cl)
Discussion
a.- Kraft process (sulphate), produces black liquor.
b.- Soda process, produces black liquor.
c.- Sulphite process, produces black liquor.
The Wiki definition should be reconsidered.