lignosulfonates

  • 1 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 …

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  • 2 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… …

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  • 3 Ligninsulfonat — Strukturformel Beispiel einer Ligninsulfonatstruktur Allgemeines Name Ligninsulfonat …

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  • 4 Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… …

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  • 5 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… …

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  • 6 Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …

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  • 7 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 …

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  • 8 Lead-acid battery — Batteries caption=A valve regulated lead acid battery EtoW=30 40 Wh/kg EtoS=60 75 Wh/L PtoW=180 W/kg|CtoDE=70% 92% EtoCP=7(sld ) 18(fld ) Wh/US$ [http://www.geocities.com/CapeCanaveral/Lab/8679/battery.html] SDR=3% 20%/month… …

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  • 9 Plasticizer — Plasticizers are additives that increase the plasticity or fluidity of the material to which they are added, these include plastics, cement, concrete, wallboard and clay bodies. Although the same compounds are often used for both plastics and… …

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  • 10 Flocculation — Flocculent redirects here. For the galaxy type, see Flocculent Spiral Galaxy. Flocculation, in the field of chemistry, is a process wherein colloids come out of suspension in the form of floc or flakes by the addition of a clarifying agent. The… …

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  • 11 Deflocculant — A deflocculant is an agent for thinning suspensions or slurries. It is used to reduce viscosity or prevent flocculation and is sometimes incorrectly called a dispersant. Most deflocculants are low molecular weight anionic polymers that neutralize …

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  • 12 Quebracho — For the left wing Argentine group, see Quebracho (group). For the monetary unit, see Quebracho (money). Quebracho is one of the common names, in Spanish, of at least three similar species of trees that grow in the Gran Chaco region of South… …

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  • 13 Cement mill — A 10 MW cement mill, output 270 tonnes per hour A cement mill (or finish mill in North American usage[1]) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is… …

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  • 14 Rawmill — A rawmill is the equipment used to grind raw materials into rawmix during the manufacture of cement. Rawmix is then fed to a cement kiln, which transforms it into clinker, which is then ground to make cement in the cement mill. The rawmilling… …

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  • 15 Plastifiant — Un plastifiant est une molécule ou un oligomère, à l état solide ou à l état liquide plus ou moins visqueux, ajouté aux formulations de différents types de matériaux pour les rendre plus flexibles, plus résistants, plus résilients et/ou plus… …

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  • 16 Superplastifiant — Les superplastifiants sont des polymères de synthèse fabriqués spécialement pour l’industrie du béton. À l heure actuelle, cinq familles de superplastifiants sont utilisées dans les bétons et se résument comme suit : les sels sulfonés de… …

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