OCC制浆过程中抑制二次淀粉降解的研究

郭锦还; 程正柏; 刘利琴; 徐清凉; 张小红; 曹海兵; 刘洪斌; 安兴业

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Inhibition Study of Secondary Starch Degradation During OCC Pulping Process

Received:October 27, 2022

DOI：10.11980/j.issn.0254-508X.2023.04.004

Key Words:OCC secondary starch hydrolysis amylase inhibitor fungicide

Fund Project:国家自然科学基金（32101470）；中国博士后科学基金（2022M712379；2021M692401）；浙江景兴纸业股份有限公司校企合作项目。

Author Name	Affiliation	Postcode
GUO Jinhuan	Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 State Key Lab of Biobased Fiber Manufacturing Technology，Tianjin University of Science and Technology， Tianjin， 300457 China Light Industry Key Lab of Papermaking and Biorefinery， Tianjin University of Science and Technology， Tianjin， 300457	300457
CHENG Zhengbai	Zhejiang Jingxing Paper Joint Stock Co.， Ltd.， Pinghu， Zhejiang Province， 314214	314214
LIU Liqin	Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 State Key Lab of Biobased Fiber Manufacturing Technology，Tianjin University of Science and Technology， Tianjin， 300457 China Light Industry Key Lab of Papermaking and Biorefinery， Tianjin University of Science and Technology， Tianjin， 300457	300457
XU Qingliang	Zhejiang Jingxing Paper Joint Stock Co.， Ltd.， Pinghu， Zhejiang Province， 314214	314214
ZHANG Xiaohong	Zhejiang Jingxing Paper Joint Stock Co.， Ltd.， Pinghu， Zhejiang Province， 314214	314214
CAO Haibing	Zhejiang Jingxing Paper Joint Stock Co.， Ltd.， Pinghu， Zhejiang Province， 314214	314214
LIU Hongbin^*	Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 State Key Lab of Biobased Fiber Manufacturing Technology，Tianjin University of Science and Technology， Tianjin， 300457 China Light Industry Key Lab of Papermaking and Biorefinery， Tianjin University of Science and Technology， Tianjin， 300457	300457
AN Xingye	Tianjin Key Lab of Pulp and Paper， Tianjin University of Science and Technology， Tianjin， 300457 State Key Lab of Biobased Fiber Manufacturing Technology，Tianjin University of Science and Technology， Tianjin， 300457 China Light Industry Key Lab of Papermaking and Biorefinery， Tianjin University of Science and Technology， Tianjin， 300457	300457

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Abstract:The inhibitory effects of four metal ions （Cu²⁺， Zn²⁺， Mn²⁺， and Li⁺） on the degradation of secondary starch and their optimum addition amount were studied. The synergistic treatment with fungicides was applied to explore the inhibition issue of secondary starch degradation in the OCC pulping process. The results showed that Cu²⁺ had the bettter inhibitory effect. When the reaction time was 4 h and the addition amount of Cu²⁺ was 0.20 mol/t， the native starch was hardly degraded. When the reaction time was 4 h and the addition amount of Cu²⁺ was 0.024 mol/t， the enzymatic hydrolyzed starch degradation rate of 15.4% was lowest . When the fungicide and Cu²⁺ synergistically acted 4 h， compared with the fungicide adding separately， the inhibition effect of native starch was increased by 58.0%， the inhibition effect of enzymatic hydrolyzed starch was increased by 31.2%.

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