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Research on Preparation of Bamboo Charcoal Doped Bismuth-based Photocatalysts and Their Degradation of Organic Pollutants
Received:May 13, 2024  
DOI：10.11980/j.issn.0254-508X.2024.07.023
Key Words:bamboo residues  bamboo charcoal  photocatalysis  BiOCl  high-value utilization
Fund Project:国家重点研发计划（2022YFC2105505）；宜宾市竹产业“揭榜挂帅”项目“竹基浆精深加工技术研究与开发”（2022JB009）；郴州国家可持续发展议程创新示范区省级专项“揭榜挂帅”项目课题（2022sfq56）。
Author NameAffiliationPostcode
ZHU Yawei Institute of Chemical Industry of Forestry Products， CAF， Nanjing， Jiangsu Province， 210042
Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 		210037
FANG Guigan Institute of Chemical Industry of Forestry Products， CAF， Nanjing， Jiangsu Province， 210042
Nanjing Forestry University， Nanjing， Jiangsu Province， 210037
Shandong Huatai Paper Co.， Ltd.， & Shandong Yellow Triangle Biotechnology Industry Research Institute Co.， Ltd.， Dongying， Shandong Province， 257335 		257335
PAN Aixiang Institute of Chemical Industry of Forestry Products， CAF， Nanjing， Jiangsu Province， 210042 210042
YIN Hang Institute of Chemical Industry of Forestry Products， CAF， Nanjing， Jiangsu Province， 210042 210042
XIE Zhanghong Sichuan Province Engineering Technology Research Center of Bamboo Pulping and Papermaking， Yibin Paper Industry Co.， Ltd.， Yibin， Sichuan Province， 644007 644007
SHEN Kuizhong* Institute of Chemical Industry of Forestry Products， CAF， Nanjing， Jiangsu Province， 210042 210042
TIAN Qingwen* Institute of Chemical Industry of Forestry Products， CAF， Nanjing， Jiangsu Province， 210042
Shandong Huatai Paper Co.， Ltd.， & Shandong Yellow Triangle Biotechnology Industry Research Institute Co.， Ltd.， Dongying， Shandong Province， 257335
College of Light Industry and Food Engineering， Guangxi Key Lab of Clean Pulp & Papermaking and Pollution Control， Guangxi University， Nanning， Guangxi Zhuang Autonomous Region， 530004 		530004
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Abstract:In this study， bamboo charcoal was prepared from waste generated during bamboo pulp preparation by phosphoric acid activation method， and then bamboo charcoal/BiOCl composite catalysts were subsequently synthesized via hydrothermal method， and the effects of dosage of bamboo charcoal and hydrothermal temperature on the photocatalytic properties of the composite catalysts were systematically investigated. The results showed that the bamboo charcoal retained the inherent pore structure of bamboo， and changing the dosage of bamboo charcoal could achieve the modulation of the morphology of the bamboo charcoal/BiOCl composite catalyst， which provided a good condition for pollutant adsorption. The pronounced interactions occurring between bamboo charcoal and BiOCl significantly improved the adsorption-photocatalytic performance and oxygen vacancy content of BiOCl， so that the efficiency of photogenerated electron transfer was enhanced and the photocatalytic degradation of the composite catalyst was optimised. The composite catalyst 5BC-140 observed at the hydrothermal temperature of 140 ℃ and bamboo charcoal dosage of 5% showed the optimal visible photocatalytic properties， with the removal rate of rhodamine B reaching 86.5% within 30 min， the one-mediated kinetic constant k being 4.2 times that of BiOCl， and excellent stability and recyclability.
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