Deinking of mixed office waste paper by cutinase/surfactant system

WANG Feng; LONG Zhu; WU Meiyan; CHEN Jie; ZHANG Hui

doi:10.11949/j.issn.0438-1157.20170775

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Deinking of mixed office waste paper by cutinase/surfactant system

更新时间：2025-12-10

- Deinking of mixed office waste paper by cutinase/surfactant system
- CIESC Journal Issue 12, Pages: 4750-4755(2017)
- 作者机构：
  
  1. 江南大学纺织服装学院造纸研究室,江苏,无锡,214122
  2. 江南大学生态纺织教育部重点实验室,江苏,无锡,214122
  3. 南京林业大学江苏省制浆造纸科学与技术重点实验室,江苏,南京,210037
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170775
  CLC： S724
- Online First：05 December 2017，
  
  Published：05 December 2017
- 稿件说明：
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WANG Feng, LONG Zhu, WU Meiyan, et al. Deinking of mixed office waste paper by cutinase/surfactant system[J]. CIESC Journal, 2017, (12): 4750-4755.
DOI：

WANG Feng, LONG Zhu, WU Meiyan, et al. Deinking of mixed office waste paper by cutinase/surfactant system[J]. CIESC Journal, 2017, (12): 4750-4755. DOI： 10.11949/j.issn.0438-1157.20170775.

摘要

角质酶能够水解可溶性酯、不溶性甘油三酯和各种聚酯，因此可以水解油墨中的连接料，有代替脂肪酶应用于废纸脱墨领域的潜能。利用角质酶和实验室复配得到的表面活性剂协同应用于混合办公废纸脱墨领域，探讨其脱墨效果和最优工艺，并与常用商业脂肪酶进行脱墨效果比较。结果表明，角质酶在酶用量10 U·g-1，酶处理时间30 min，酶处理温度50℃，表面活性剂用量0.2%的条件下可以达到最优效果。与脂肪酶/表面活性剂以及单独用表面活性剂脱墨相比，角质酶脱墨后纸页的白度与油墨去除率更高，纸页的机械强度也较好。通过纸页性能的对比和扫描电镜（SEM）观察，角质酶的脱墨效果较脂肪酶更佳，角质酶/表面活性剂体系对混合办公废纸脱墨效果较好。

Abstract

Cutinase is capable of hydrolyzing soluble esters

insoluble triglycerides and various polyesters

and thus it can hydrolyze the binder in the ink and have the potential to replace lipase in the field of waste paper deinking. Cutinase and self-made surfactant was synergically used in deinking of office waste paper. The deinking effect and optimum process were discussed and compared with the conventional commercial lipase. The results showed that the optimal effect of cutinase could be achieved under the conditions of enzyme dosage of 10 U·g-1

enzyme treatment time of 30 min

enzyme treatment temperature of 50℃ and surfactant dosage of 0.2%. Compared with lipase/surfactant and surfactant deinking

the brightness and ink removal rate of paper after cutinase deinking were higher and the mechanical strength of paper was also greatly improved. By comparison of the paper performance and scanning electron microscopy (SEM) analysis

the deinking effect of cutinase was better than that of lipase.

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