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
остаточный лигнин в волокнистом полуфабрикате (целлюлозе, полуцеллюлозе) — Лигнин и продукты его реакции, остающиеся в волокнистом полуфабрикате после делигнификации растительного сырья при варке и после отбеливания небеленого волокнистого полуфабриката (целлюлозы, полуцеллюлозы). [ГОСТ 23646 79] Тематики целлюлозно… … Справочник технического переводчика
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
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
Kappa number — The Kappa number is an indication of the lignin content or bleachability of wood pulp. It estimates the amount of chemicals required during bleaching of wood pulp to obtain a pulp with a given degree of whiteness. Since the amount of bleach… … Wikipedia
Watercolor painting — For other uses, see Watercolors (disambiguation). An artist working on a watercolor using a round brush Watercolor (US) or watercolour (UK and Commonwealth), also aquarelle from French, is a painting method. A watercolor is the … Wikipedia
Newsprint — output in 2005 Newsprint is a low cost, non archival paper most commonly used to print newspapers, and other publications and advertising material. It usually has an off white cast and distinctive feel. It is designed for use in printing presses… … Wikipedia
Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 … Wikipedia
Second generation biofuels — Biofuel technologies are able to manufacture biofuels from biomass. Biomass is a wide ranging term meaning any source of organic carbon that is renewed rapidly as part of the carbon cycle. Biomass is all derived from plant materials but can… … Wikipedia
Cellulosic ethanol — also know by the name Ceetol, is a biofuel produced from wood, grasses, or the non edible parts of plants. [ One Hundred Tenth Congress of the United States of America. [http://frwebgate.access.gpo.gov/cgi bin/getdoc.cgi?dbname=110 cong… … Wikipedia
industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… … Universalium
