Chlorine flow meter | Chinese English translation | Mass flow meter

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1. Paper making professional English vocabulary

Chemically, a polymer composed of glucose monomers. It is the main constituent of plant fibres. Chelating ： Aohe Chemically combining with a metallic ion into a "coordination complex". Common chemicals used for chelation are EDTA (Ethylendiaminetetraacidic acid) and DTPA (Diethylenetetraminepentaacidic acid). Chemical pulp ： Chemical slurry Pulp obtained by digestion of wood with solutions of various chemicals. Chemical recovery cycle ： Chemical recycling cycle Part of the pulp mill, in which the spent cooking chemicals are recycled and reconverted into active cooking chemicals. Chemimechanical pulp ： Chemical mechanical pulp 1 Pulp produced with a combination of a gentle chemical treatment stage and mechanical defibration, such as disc refining. The yield range is 80 to 95 %. 2. Subgroup of chemimechanical pulps (also called CMP), produced with relative severe chemical treartment combined with atmospheric refining. The yield is typically below 90 %. Chemithermomechanical pulp, CTMP ： Chemical thermo mechanical slurry Chemimechanical pulp produced with relatively low chemical doses combined with pressurized refining. The yield is typically above 90 %. Chlorine number ： Chlorine value Test method for determining the bleach requirement of a pulp. It indicates the number of grams of chlorine consumed by 100 g of pulp under specified conditions. Chips ： wood chip Chopped wood prepared for coking to produce chemical pulp or refining to produce refiner mechanical pulp. Chip chute ： Wooden chip groove Vertical conduit through which chips fall from the steaming vessel into the high pressure feeder, a component of continuous digester systems. Chip meter ： Wood chip pot

measuring device Device used with the continuous digester feed system to control the chip feed rate. Chlorination ： Chlorination (action) A bleaching stage (denoted C) using elemental chlorine as bleaching agent. Chlorine ： chlorine gas Greenish-yellow gas used as a bleaching agent. Also known as gas chlorine or elemental chlorine. Chlorine dioxide ： Chlorine dioxide Yellow gas in solution as a blending agent. Chop: fragments Short, chunky bundle of unseparated fibres occurring in mechanical pulps. Chromophor ： Chemical group responsible for color in (wood and pulse). Classifier: separator Term with wide applications. Usually refers to laboratory devices for separating aqueous suspension of pulp fibres into various-size fractions. Cleaning ： purify Removal of dirt and foreign material from pulp by centrifugal action. Cleaners ： purifier Vessels which remove dirt and foreign material from pulp by centrifugal action. Closed system ： Closed system System wherein white water or filtrate is mainly recirculated and not discharged to waste. COD ： Chemical oxygen demand. Chemical oxygen consuming substances. A measure of the amount of oxygen required for the total chemical breakdown of organic substances in water. Cold blow: Pressure ejection of cooked pulp from a batch or continuous digester after the pulp has been cooled to below 100 oC. The cooling step reduces damage to the fibres. Cold soda pulp ： Cold alkali slurry A semichemical pulp generally produced from hardwoods by room temperature treatment with sodium hydroxide followed by mechanical fiberizing. Condensate ： condensate water Any material that has condensed from a gaseous phase into a liquid phase. Usually refers to water that has condensed from steam in a heat ex

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