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典型文献
Construction of ternary CuO/CuFe2O4/g-C3N4 composite and its enhanced photocatalytic degradation of tetracycline hydrochloride with persulfate under simulated sunlight
文献摘要:
In this study,a graphitic carbon nitride (g-C3N4) based ternary catalyst CuO/CuFe2O4/g-C3N4 (CCCN) is successfully prepared thorough calcination method.After confirming the structure and composition of CCCN,the as-synthesized composites are utilized to activate persulfate (PS) for the degradation of organic contaminant.While using tetracycline hy-drochloride (TC) as pollutant surrogate,the effects of initial pH,PS and catalyst concen-tration on the degradation rate are systematically studied.Under the optimized reaction condition,CCCN/PS is able to give 99% degradation extent and 74% chemical oxygen de-mand removal in assistance of simulated solar light,both of which are apparently greater than that of either CuO/CuFe2O4 and pristine g-C3N4.The great improvement in degradation can be assignable to the effective separation of photoinduced carriers thanks to the integra-tion between CuO/CuFe2O4 and g-C3N4,as well as the increased reaction sites given by the g-C3N4 substrate.Moreover,the scavenging trials imply that the major oxidative matters involved in the decomposition are hydroxyl radicals (·OH),superoxide radicals (·O2-) and photo-induced holes (h+).
文献关键词:
作者姓名:
Lei Wang;Xiaolei Ma;Guofang Huang;Rui Lian;Jingwei Huang;Houde She;Qizhao Wang
作者机构:
Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials,College of Chemistry and Chemical Engineering,Northwest Normal University,Lanzhou 730070,China;School of Environmental Science and Engineering,Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region of Ministry of Education,Chang'an University,Xi'an 710054,China
引用格式:
[1]Lei Wang;Xiaolei Ma;Guofang Huang;Rui Lian;Jingwei Huang;Houde She;Qizhao Wang-.Construction of ternary CuO/CuFe2O4/g-C3N4 composite and its enhanced photocatalytic degradation of tetracycline hydrochloride with persulfate under simulated sunlight)[J].环境科学学报(英文版),2022(02):59-70
A类:
CCCN,drochloride
B类:
Construction,ternary,CuO,CuFe2O4,C3N4,its,enhanced,photocatalytic,degradation,tetracycline,hydrochloride,persulfate,under,simulated,sunlight,In,this,study,graphitic,carbon,nitride,catalyst,successfully,prepared,thorough,calcination,method,After,confirming,structure,synthesized,composites,utilized,activate,PS,organic,contaminant,While,using,pollutant,surrogate,effects,initial,concen,tration,systematically,studied,Under,optimized,reaction,condition,extent,chemical,oxygen,mand,removal,assistance,solar,both,which,apparently,greater,that,either,pristine,improvement,can,assignable,effective,separation,photoinduced,carriers,thanks,integra,between,well,increased,given,by,substrate,Moreover,scavenging,trials,imply,major,oxidative,matters,involved,decomposition,hydroxyl,radicals,superoxide,O2,holes,h+
AB值:
0.571391
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