Investigation of hydroxamic acids as laccase-mediators for pulp bleaching.
作者： X. Geng , K. Li , F. Xu
DOI: 10.1007/S00253-003-1475-4
关键词:
摘要: A number of hydroxamic acids have been synthesized and investigated as laccase-mediators for pulp bleaching. As compared with N-hydroxyacetanilide (NHA), one the most effective reported so far, N-(4-cyanophenyl)acetohydroxamic acid (NCPA), resulted in highest brightness lowest kappa hardwood kraft all studied. The bleaching efficacy a laccase/7-cyano-4-hydroxy-2H-1,4-benzoxazin-3-one system was also comparable that laccase/NHA system. laccase/NCPA further studied unbleached softwood pulp. effects consistency, laccase dosage, NCPA incubation time, oxygen pressure on were
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