pulp bleaching

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• 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

• Pulp (tooth) — Section of a human molar Latin pulpa dentis Gray s …   Wikipedia

• 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

• bleaching powder — Chem. a white powder that decomposes on contact with water and has the characteristic odor of gaseous chlorine: regarded, when dry, as a mixed calcium hypochlorite chloride, used as a commercial bleach for wood pulp, textiles, oils, and soaps,… …   Universalium

• Tooth bleaching — Intervention Teeth Whitening Kits for Home Use MeSH …   Wikipedia

• Wood pulp — is a dry fibrous material prepared by chemically or mechanically separating the fibers which make up wood. Pulp can be either fluffy or formed into thick sheets. The latter form is used if the pulp must be transported from the pulp mill to a… …   Wikipedia

• Bell Bay Pulp Mill — The Bell Bay Pulp Mill, also known as the Tamar Valley Pulp Mill, is a proposed $2 billion pulp mill which Gunns Limited is planning to build in the Tamar Valley, near Launceston, Tasmania.The proposed mill will use the Kraft process, Elemental… …   Wikipedia

• Necrotic pulp — is a finding in dentistry to describe dental pulp within a tooth which has become necrotic. It is a finding of interest to dentists as the process of pulp death may be painful causing a toothache. Sequelae of a necrotic pulp include acute apical… …   Wikipedia

• De-inked pulp — is recycled paper which has been processed by chemicals, thus removing ink and other unwanted elements. The pulp is then used (often in a combination with newly produced pulp) to produce paper. recycling paper is good for the environment if one… …   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