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Preparation of Bacterial Cellulose Flocculant and Its Flocculation Performance in Papermaking Wastewater
  
DOI：10.11980/j.issn.0254-508X.2017.12.002
Key Words:bacterial cellulose  flocculant material  chemical modification  papermaking wastewater  flocculantion performance
Fund Project:国家自然科学基金（61571002、51672000）；浙江省公益技术应用研究项目（2017C31034、2015C32098）；浙江省公益技术研究项目（GF18C160004）。
Author NameAffiliation
孙映宏1 1.杭州市水文水资源监测总站，浙江杭州，310016 
王逸锋1 1.杭州市水文水资源监测总站，浙江杭州，310016 
谈学松2 2.浙江理工大学材料与纺织学院，浙江杭州，310018 
陈艳霞2 2.浙江理工大学材料与纺织学院，浙江杭州，310018 
熊彩霞2 2.浙江理工大学材料与纺织学院，浙江杭州，310018 
张　勇2，* 2.浙江理工大学材料与纺织学院，浙江杭州，310018 
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Abstract:In this work, the bacteria system for preparing bacterial cellulose (BC) was constructed by using acetobacter. The three-dimensional network BC was produced through optimizing its fermentation process. The BC green flocculant was prepared by further chemical modification on BC and its flocculation performance in papermaking wastewater was also evaluated. The positived results showed that the obtained BC held typical three-dimensional network structure. The carboxyl content of the BC green flocculant product increased significantly. It belonged to anionic flocculant based on Zeta potential test. The results of papermaking wastewater flocculation indicated that the BC flocculant had excellent flocculation ability and its turbidity removal rate reached 94.6%.
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