De-inking of soy bean oil based ink printed paper with lipases

被引：0

作者：

Morkbak, AL ^{[1
]}

Zimmermann, W ^{[1
]}

机构：

[1] Univ Aalborg, Biotechnol Lab, DK-9000 Aalborg, Denmark

来源：

7TH INTERNATIONAL CONFERENCE ON BIOTECHNOLOGY IN THE PULP AND PAPER INDUSTRY - POSTER PRESENTATIONS VOL C | 1998年

关键词：

D O I：

暂无

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Different strains of bacteria were used for the production of lipases which degrade the soy bean oil based binder component of newsprint ink. The performance of the enzymes in de-inking of recovered paper printed with soy bean oil based ink (VOI) was tested. Lipases from Pseudomonas aeruginosa with a pH optimum and temperature stability suitable for application in de-inking processes showed a high de-inking efficiency. The de-inking effects were due a partial hydrolysis of the binder or the resins contained in the ink by lipase.

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页码：C187 / C188

页数：2

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