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通讯员姚光裕报道加拿大制浆和造纸研究所科技人员用连二亚硫酸钠和水溶性膦或膦化合物加合漂白木浆或回收废纸浆。水溶性膦是三(羟)甲基膦(THP)(P(CH2OH)3),水溶性膦化合物是
Correspondent Yao Guangyu reported that the Canadian Institute of Pulp and Paper Science and Technology with sodium dithionite and water-soluble phosphine or phosphine compound bleached wood pulp or recycled pulp recycling. Water-soluble phosphines are tri (hydroxy) methylphosphine (THP) (P (CH2OH) 3) and water-soluble phosphine compounds are