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The Research of Mixed Office Waste Paper Deinked by Cutinase W5
Pages: 11-14
Year: Issue:  4
Journal: Paper Chemicals

Keyword:  角质酶混合办公废纸脱墨;
Abstract: 研究了角质酶W5的特性及脱墨浆浓度、碎浆时间及酶用量对角质酶W5应用于混合办公废纸(MOW)脱墨效果的影响.结果表明:所选3个因素对脱墨效果的影响都较大;得出的最佳工艺条件是,碎浆温度为50℃、pH=8.0、脱墨浆质量分数为10%、碎浆时间为30 min、酶用量为150 u/g,在此条件下脱墨浆白度为82.3%ISO,有效残余油墨量(Eric)为241,油墨去除率达80.5%,总脱墨废水COD下降47%.
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