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Study on Saving the Energy Consumption of Bambusa Rigida APMP Refining and Improving the Pulp Performance Based on Penetrating Agents
Received:August 16, 2022  
DOI：10.11980/j.issn.0254-508X.2023.04.001
Key Words:pulping penetrating agent  Bambusa rigida  APMP  energy consumption  pulp performance
Author NameAffiliationPostcode
DAI Yang School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hu’nan Province， 410114 410114
HU Kexin School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hu’nan Province， 410114 410114
WEI Xinxin School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hu’nan Province， 410114 410114
LI Yulin School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hu’nan Province， 410114 410114
WANG Yulong* School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hu’nan Province， 410114 410114
ZHU Hongwei Yueyang Forest & Paper Co.， Ltd.， Yueyang， Hu’nan Provinec， 414000 414000
LIU Chunjing Yueyang Forest & Paper Co.， Ltd.， Yueyang， Hu’nan Provinec， 414000 414000
LI Dan Yueyang Forest & Paper Co.， Ltd.， Yueyang， Hu’nan Provinec， 414000 414000
LIU Yongfeng Yueyang Forest & Paper Co.， Ltd.， Yueyang， Hu’nan Provinec， 414000 414000
DENG Zhuo Yueyang Forest & Paper Co.， Ltd.， Yueyang， Hu’nan Provinec， 414000 414000
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Abstract:The bamboo alkaline peroxide mechanical pulp （APMP） production is plagued by difficulty in chemical liquid penetration， high energy consumption， and poor pulp properties. The effects of the polyethylene glycol fatty acid ester penetrating agent （P1） and the fatty alcohol polyether penetrating agent （P2） on the pulp performance and energy consumption of Bambusa Rigida APMP were systematically studied. The results showed that the applications of both P1 and P2 could reduce energy consumption and improve pulp properties， effectively. The energy consumptions of Bambusa Rigida APMP （Canadian standard freeness （CSF） values of pulps were controlled in the range of 300 to 350 mL） with P1 and P2 addition （dosage of 0.05%， oven dry）， were reduced by 13.5% and 9.0% by comparison with the control group， respectively. The fiber bundle contents of pulp were decreased by 52.9% and 23.5%， while the fiber fibrillation ratios of pulp were increased by 17.3% and 7.2% by adding P1 and P2， respectively. Similarly， the tensile index， tear index， and burst index of the handsheets were increased by 30.5%， 16.4%， and 46.4% with P1 addition， while those indexes were increased by 12.7%， 21.5% and 10.7% with P2 addition.
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