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进行了麦草浆CEpH、CEHP和CEpHP的漂白研究 ,结果表明在常规CEH三段漂的碱处理段加入H2O2,可大大提高漂白浆白度。鳌合剂NA7DTPMPA能防止H2O2 降解并提高白度。
The bleaching of CEpH, CEHP and CEpHP was carried out. The results showed that the addition of H2O2 to the alkaline treatment section of the conventional CEH three-stage bleaching greatly enhanced the whiteness of the bleached pulp. Chelating NA7DTPMPA prevents H2O2 degradation and increases whiteness.