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          • Term
            • black liquor
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          • Definition(s)
            • Black liquor is a byproduct of the kraft process, (also known as kraft pulping or sulfate process) during the production of paper pulp. Wood is decomposed into cellulose fibers (from which paper is made), hemicellulose and lignin fragments. Black liquor is an aqueous solution of lignin residues, hemicellulose, and the inorganic chemicals used in the process. Wikipedia - by Enrique Cavalitto
          • Example sentence(s)
            • 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 by Enrique Cavalitto
            • 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 by Enrique Cavalitto
            • 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 by Enrique Cavalitto
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    • Spanish
      • Paper / Paper Manufacturing
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          • Term
            • licor negro
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          • Definition(s)
            • el Licor Negro es un residuo generado en el proceso de cocción química de las astillas para la obtención de pulpa química, kraft o pasta woodfree. Básicamente está compuesto por Licor Blanco (solución acuosa con sulfuro de sodio -Na2S- e hidróxido de sodio -NaOH-)y la lignina y hemicelulosas que se separan de la celulosa por la cocción y reacción química. http://celulosapapel.blogspot.com/2007/10/licor-negro.html http://www.fao.org/forestry/14247/es/ Own research - by Gabi Ancarol (X)
          • Example sentence(s)
            • 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 by Gabi Ancarol (X)
            • 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 by Gabi Ancarol (X)
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    • German
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          • Term
            • Schwarzlauge
          • Additional fields of expertise
          • Definition(s)
            • Die Schwarzlauge ist, wie im Englischen schon gesagt, ein Nebenprodukt bei der Zelluloseherstellung nach dem Sulfatverfahren. Heißt auf Schwedisch "svartlut". Schwarzlauge läßt sich durch Eindampfen konzentrieren und in Dampfkesseln zwecks Stromerzeugung verbrennen, da sie noch Ligninreste enthält. Own research - by Jürgen Moos
          • Example sentence(s)
            • Schwarzlauge ist ein Nebenprodukt bei der Zelluloseherstellung nach dem Sulfat-Verfahren in der Papierindustrie. Sie entsteht bei der Trennung von Lignin vom Zellstoff, der dann später die Papierfasern bildet. Schwarzlauge ist das Gemisch aus dem zurückbleibende Lignin sowie Wasser und den Chemikalien, die für die Extraktion benutzt werden. (Weiß aber jeder, der die Grundlagen der Zellulosherstellung kennt.) - Wikipedia by Jürgen Moos
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