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Application of Weak-oxidation Bactericide on Toilet Paper Machine
Received:August 13, 2021  
DOI：10.11980/j.issn.0254-508X.2021.12.018
Key Words:toilet paper machine  weak oxidation bactericide  pilot test  application
Fund Project:贵州省科技计划项目（黔科合支撑［2019］2860号）；贵州省教育厅科技拔尖人才支持计划（黔教合KY字［2018］079）；贵州省教育厅自然科学基金青年项目（黔教合KY字［2017］358）；“大学生创新创业训练计划”项目（2018521312）。
Author NameAffiliationPostcode
LYU Wenzhi College of Chemistry and Chemical Engineering， Qiannan Normal University for Nationalities， Duyun， Guizhou Province， 558000 558000
LI Wei College of Chemistry and Chemical Engineering， Qiannan Normal University for Nationalities， Duyun， Guizhou Province， 558000 558000
LIU Kanglian College of Chemistry and Chemical Engineering， Qiannan Normal University for Nationalities， Duyun， Guizhou Province， 558000 558000
WANG Runping College of Chemistry and Chemical Engineering， Qiannan Normal University for Nationalities， Duyun， Guizhou Province， 558000 558000
LI Juxiang College of Chemistry and Chemical Engineering， Qiannan Normal University for Nationalities， Duyun， Guizhou Province， 558000 558000
ZHOU Haiyan College of Chemistry and Chemical Engineering， Qiannan Normal University for Nationalities， Duyun， Guizhou Province， 558000 558000
LONG Zhu* Papermaking Lab of College of Textile Science and Engineering， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
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Abstract:A new weak-oxidation bactericide was applied on a domestic toilet paper machine with an annual output of 50000 tons， and its application effect was compared with the traditional bactericide. The results showed that the weak-oxidation bactericide had obvious advantages in comparison with the traditional bactericide and could be used to significantly reduce the number of microorganisms like bacteria and fungi in the papermaking system. The microorganisms were well controlled and the system became cleaner. Compared with the application in other kinds of paper， the effect of this weak-oxidation bactericide used for the microbial control of toilet paper was still lower than expected. It may be due to the lower pulp concentration used in the production process of toilet paper， which resulted in the lower effective concentration of bactericide for the same amount of paper.
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