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Study on Preparation and Properties of Carbon Black/CNF Composite Photothermal Conversion Materials
Received:April 13, 2020  
DOI：10.11980/j.issn.0254-508X.2020.07.002
Key Words:cellulose nanofibrils  carbon black  photothermal conversion materials  desalination
Fund Project:国家“十三五”重点研发计划项目（2017YFB0307901）；生物基材料与绿色造纸国家重点实验室开放基金（201903）。
Author NameAffiliationPostcode
LI Jinbao College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
XIE Zhuhang College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
YANG Xue College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
XIU Huijuan College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
CUI Yuxin College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
XU Qinghua State Key Lab of Bio-based Material and Green Papermaking，Qilu University of Technology (Shandong Academy of Sciences)， Ji’nan ，Shandong Province，250353 250353
ZHAO Xin College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
LI Jingyu College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education，Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper，Shaanxi University of Science & Technology，Xi'an，Shaanxi Province，710021 710021
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Abstract:Solar energy photothermal conversion materials have great potential and broad application prospects in desalination. It is of great significance to develop photothermal conversion materials with high evaporation efficiency, low cost and biodegradability for the development of desalination technology. In this study,carbon black /CNF composite photothermal conversion materials were prepared by using nanofiltration cellulose (CNF) as raw materials with adding carbon black and adhesives. The photothermal conversion efficiency, sea water evaporation efficiency, thermal insulation performance were also studied. The results showed that the material had good photo absorption performance, sea water evaporation efficiency and thermal insulation performance. The best dosage of carbon black was 1.0%, the total solar energy absorption efficiency was 92.05%, the evaporation efficiency of sea water was 1.17 kg/(m2·h) and thermal conductivity was 0.05 W/（m•K）.
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