| 单词 |
sulfite waste liquor |
| 释义 |
Sulfite Waste Liquor sulfite waste liquor[′səl‚fīt ¦wāst ‚lik·ər] (materials) Waste reactants and other impurities from the sulfite pulping of wood; used as a foaming and emulsifying agent, in adhesives and tanning, and for road construction. Sulfite Waste Liquor (or spent pulping liquor), a by product in the manufacture of wood pulp by the sulfite process. Eight to 10 tons of sulfite waste liquor are produced per ton of paper pulp. Sulfite waste liquor contains dissolved nonpulp components of wood, mainly hemicelluloses, and the product of sulfonation of lignin—lignin sulfonic acid. Alcohol and nutrient yeast are obtained from sulfite waste liquor. |
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