Fabrication of pollution-free coal gangue-based catalytic material utilizing ferrous chloride as activator for efficient peroxymonosulfate activation

作     者：Zhiming Sun Xinlin Wang Shaoran Jia Jialin Liang Xiaotian Ning Chunquan Li Zhiming Sun;Xinlin Wang;Shaoran Jia;Jialin Liang;Xiaotian Ning;Chunquan Li

作者机构：School of Chemical and Environmental EngineeringChina University of Mining and Technology(Beijing)Beijing100083China Key Laboratory of Coal Processing and Efficient Utilization(China University of Mining and Technology)Ministry of EducationXuzhou221116China 

出 版 物：《International Journal of Coal Science & Technology》 (国际煤炭科学技术学报（英文）)

年 卷 期：2024年第11卷第1期

页      面：103-118页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：National Key R&D Program of China(2019YFC1904903 and 2020YFC1806504) China Postdoctoral Science Foundation(2020M680757) Fundamental Research Funds for the Central Universities(2022XJHH08) 

主　　题：Coal gangue Persulfate activation Advanced oxidation processes Polycyclic aromatic hydrocarbons Phenol Ferrous chloride 

摘      要：Novel coal gangue-based persulfate catalyst(CG-FeCl_(2))was successfully synthesized by the means of calcinating under nitrogen atmosphere with the addition of ferrous chloride tetrahydrate(FeCl_(2)·_(4)H_(2)O).The phase transformation of the prepared materials and gas products during the heating process are thoroughly *** is suggested that ferrous chloride participated in the phase transformation and formed Si-O-Fe *** the main gaseous products are H_(2)O,H_(2),and HCl during the heating ***,the ability of CG-FeCl_(2) to activate peroxymonosulfate(PMS)for catalytic degradation of polycyclic aromatic hydrocarbons(PAHs)and phenol was deeply *** than 95%of naphthyl,phenanthrene and phenol were removed under optimizied *** addition,1O_(2),·OH,and SO_(4)·−were involved in the CG-FeCl_(2)/PMS system from the free radical scavenging experiment,where 1O_(2) played a major role during the oxidation ***,CG-FeCl_(2)/PMS system exhibited superior stability in a relatively wide pH range and the presence of common anion from related degradation ***,the novel CG-FeCl_(2) is an efficient and environmentally friendly catalyst,displaying potential application prospect in the field of PAHs and phenol-contaminated wastewater treatment.