The pulp bleaching (Bleaching). To purify the tissue as the cause, there are white tissue paper to suit different communication is divided into two ways:How to purify the tissue to eliminate Li on the oxide (removing lignin).How to change the color of the lip tissue purification on the House does not have membrane chemical colors (bleaching lignin) is using bleaching chemicals react with the Bikini on nalaeo get rid of silica on the oxide. There are several of these recommendations now. In General, it ranges from 3-6 steps (CEH CEDEP CEOP) is the bright white tissue that is approximately 80-95 percent when measured by the Elrepho meter steps for purification is named according to the chemicals used to purify and cleanse process is sorted by alphabet, used like a laundering CEDED.Chemical symbol, call the process of purificationAdvanced C skin service nation Chlorine (chlorination stage.)Sodium hydroxide E step insertion (extraction stage) aixe.Calcium chloride, hypochlorite H stage hypochlorite (the hypochlorite stage).Chlorine dioxide chlorine dioxide stages D (chlorinedioxide stage).Hydrogen peroxide Super oxide P stage (peroxide stage.)O stage Oxygen oxygen (oxygen stage).Ozone ozone (ozone stage), stage ZReuben, A step the Acid (acid stage.)
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