sulfite lignin
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Lignin — or lignen is a complex chemical compound most commonly derived from wood and an integral part of the secondary cell walls of plants.cite encyclopedia |last=Lebo |first=Stuart E. Jr. |author= |authorlink= |coauthors=Gargulak, Jerry D. and McNally … Wikipedia
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
sulfite process — Chem. a process for making wood pulp by digesting wood chips in an acid liquor consisting of sulfurous acid and a salt, usually calcium bisulfite. [1900 05] * * * ▪ wood industry sulfite also spelled Sulphite, chemical process for the… … Universalium
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 (paper) — Fibres in wood pulp Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fibre crops or waste paper. Wood pulp is the most common raw material in papermaking. Contents … Wikipedia
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
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
Kraft process — The Kraft process (also known as Kraft pulping or sulfate process) describes a technology for conversion of wood into wood pulp consisting of almost pure cellulose fibers. The process entails treatment of wood chips with a mixture of sodium… … Wikipedia
Vanillin — IUPAC name … Wikipedia
Bleaching of wood pulp — is the chemical processing carried out on various types of wood pulp to decrease the color of the pulp, so that it becomes whiter. The main use of wood pulp is to make paper where whiteness (similar to but not exactly the same as brightness ) is… … Wikipedia
