| Webster's Online Dictionary |
| Expressions | Definition | ||
| Black liquor | Black liquor is a recycled byproduct formed during the Kraft process, the sulfate method of chemical pulping of wood in the papermaking industry. In this process, lignin is separated from cellulose, with the latter forming the paper fibers. Black liquor is the combination of the lignin residue with water and the chemicals used for the extraction. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Black Liquor | Energy | A byproduct of the paper production process that can be used as a source of energy. (references) | |
| Black liquor | Mining | The alkaline spent liquor from the digesters in the manufacture of sulfate or soda wood pulp. (references) | |
| Black liquor (pulping liquor) | Energy | The alkaline spent liquor removed from the digesters in the process of chemically pulping wood. After evaporation, the liquor is burned as a fuel in a recovery furnace that permits the recovery of certain basic chemicals. (references) | |
| Black liquor recovery furnaces | Mining | Smelting or recovery furnaces in which evaporated black liquor is burned to a molten chemical smelt. (references) | |
| Semi-thickened black liquor | Industry | Black liquor withdrawn from an intermediate stage of the evaporator plant. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||