Pretreatment with alkali before chlorination was studied in bleached acid sulfite poplar pulp production.

对酸性亚硫酸盐法杨木浆的氯化前碱处理进行了研究。

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We investigate the bleaching of neutral sulfite reed pulp by peroxy acetic acid (PAC).

对过醋酸（PAC）漂白中性亚硫酸盐苇浆进行了实验研究。

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