sulfite spent liquor

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• Sulfite process — The sulfite process produces wood pulp which is almost pure cellulose fibers by using various salts of sulfurous acid to extract the lignin from wood chips in large pressure vessels called digesters. The salts used in the pulping process are… …   Wikipedia

• papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper.   paʹper·mak er n. * * * Introduction       formation of a matted or felted sheet, usually of cellulose fibres,… …   Universalium

• Pulp mill — or non bleached, depending on the customer requirements.Wood and other plant materials used to make pulp contain three main components (apart from water): cellulose fibres (desired for papermaking), lignin (a three dimensional polymer that binds… …   Wikipedia

• Organosolv — is a pulping technique that uses an organic solvent to solubilise lignin and hemicellulose. It has been considered in the context of both pulp and paper manufacture and biorefining for subsequent conversion of cellulose to fuel ethanol. The… …   Wikipedia

• Lignosulfonates — Lignosulfonates, or sulfonated lignin, (CAS number 8062 15 5) are water soluble anionic polyelectrolyte polymers: they are byproducts from the production of wood pulp using sulfite pulping.cite encyclopedia |last=Lebo |first=Stuart E. Jr. |author …   Wikipedia

• Recovery boiler — is the part of Kraft process of pulping where chemicals for white liquor are recovered and reformed from black liquor. In the process lignin of the wood, bound in black liquor at this phase, is burned and heat generated. The heat is usually used… …   Wikipedia

• Vanillin — IUPAC name …   Wikipedia

• lignosulfonate — noun Date: 1908 any of various compounds produced from the spent sulfite liquor in the pulping of softwood in papermaking and used especially for binders and dispersing agents …   New Collegiate Dictionary

• Cyanide — This article is about the class of chemical compounds. For other uses, see Cyanide (disambiguation). The cyanide ion, CN−. From the top: 1. Valence bond structure 2. Space filling model 3. Electrostatic potential surface 4. Carbon lone pair… …   Wikipedia

• Vanillin — Strukturformel Allgemeines Name Vanillin Andere Namen …   Deutsch Wikipedia

• Vanilina — Vanillina Nombre (IUPAC) sistemático …   Wikipedia Español