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Bleaching Agents To Improve Whiteness In Minerals

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  • CPC Definition D06L DRYCLEANING WASHING OR BLEACHING

    Cpc Definition D06l Drycleaning Washing Or Bleaching

    CPC Definition D06L DRYCLEANING WASHING OR BLEACHING.Bleaching. Process of improving the whiteness of textile materials, with or without the removal of natural colouring matter andor extraneous substances, by a bleaching agent. Brightening. Process of making textile materials brighter by using a brightener or optical brightening agent. Optical bleaching or

  • Papermaking Bleaching and washing Britannica

    Papermaking Bleaching And Washing Britannica

    Papermaking Bleaching and washing Britannica.Papermaking - Papermaking - Bleaching and washing The use of calcium and sodium hypochlorites to bleach paper stock dates from the beginning of the 19th century. In the early days of sulfite pulp manufacture, a single-stage treatment of pulp at low consistency, using calcium hypochlorite chlorinated lime, satisfied most requirements. This simple bleaching treatment, however, is not ...

  • Method of improving the brightness of calcium carbonate

    Method Of Improving The Brightness Of Calcium Carbonate

    Method of improving the brightness of calcium carbonate.The bleaching agents may be applied as an aqueous solution containing from about 0.1 percent by weight to about 50 percent by weight bleaching agent. Preferably, from about 0.1 percent by weight to about 5 percent by weight based on the weight of the paper is used. More preferably, the level of treating agent is from about 0.1 percent by weight ...

  • CPC Definition D06L DRYCLEANING WASHING OR

    Cpc Definition D06l Drycleaning Washing Or

    CPC Definition D06L DRYCLEANING WASHING OR.Process of improving the whiteness of textile materials, with or without the removal of natural colouring matter andor extraneous substances, by a bleaching agent. Brightening. Process of making textile materials brighter by using a brightener or optical brightening agent. Optical bleaching or brightening.