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Advances in air pollution control for key industries in China during the 13th five-year plan

Journal of Environmental Sciences 2023年第1期123卷 446-459页

作者： Xuecheng Wu Yanping Yang Yue Gong Zhiwen Deng Ying Wang Weihong Wu Chenghang Zheng Yongxin Zhang State Key Laboratory of Clean Energy Utilization College of Energy EngineeringZhejiang UniversityHangzhou 310027China Jiaxing Research Institute of Zhejiang University Jiaxing 314051China

Industrial development is an essential foundation of the national economy,but the industry is also the largest source of air pollution,of which power plants,iron and steel,building materials,and other industries emit large amounts of pollutants.Therefore,the Chinese government has promulgated a series of stringent emission regulations,and it is against this backdrop that research into air pollution control technologies for key industrial sectors is in full swing.In particular,during the 13th Five-Year Plan,breakthroughs have been made in pollution control technology for key industrial sectors.A multi-pollutant treatment technology system of desulfurization,denitrification,and dust collection,which applies to key industries such as power plants,steel,and building materials,has been developed.High-performance materials for the treatment of different pollutants,such as denitrification catalysts and desulfurization absorbers,were developed.At the same time,multi-pollutant synergistic removal technologies for flue gas in various industries have also become a hot research topic,with important breakthroughs in the synergistic removal of NO_(x),SO_(x),and Hg.Due to the increasingly stringent emission standards and regulations in China,there is still a need to work on the development of multi-pollutant synergistic technologies and further research and development of synergistic abatement technologies for CO_(2) to meet the requirements of ultra-low emissions in industrial sectors.

关键词： Key industries Desulfurization Denitrification dust collection Multi-pollutant control

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Occurrence of aryl and alkyl-aryl phosphates in Canadian house dust

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Emerging Contaminants 2021年第1期7卷 149-159页

作者： Cariton Kubwabo Xinghua Fan Guru Prasad Katuri Arezoo Habibagahi Pat E.Rasmussen Environmental Health Science and Research Bureau Health CanadaOttawaONCanada

This study investigated the occurrence of 19 aryl phosphates and mixed alkyl-aryl phosphates in dust samples(n=144)collected under the Canadian House dust Study(CHDS).The predominant target analytes,detected in 100%of the samples,were isodecyl diphenyl phosphate(IDDPP),cresyl diphenyl phosphate(CDPP),and isopropylated triaryl phosphates(ITPs),with median concentrations of 1225(248-17850)ng/g,91(14-57700)ng/g,and 805(203-152000)ng/g,respectively.ITPs included isopropylphenyl diphenyl phosphate(IPPDPP),bis(isopropylphenyl)phenyl phosphate(BIPPPP),and tris(isopropylphenyl)phosphate(TIPPP).Strong correlations were found among IPPDPP,BIPPPP,and TIPPP,suggesting that there might be various consumer and building products containing mixtures of these substances.Bisphenol A bis(diphenyl phosphate)(BPA-DP)and resorcinol bis(diphenyl phosphate)(RBDP)were detected in 69%and 78%of samples,with relatively low median concentrations of 30(max:818)ng/g and 14(max:307)ng/g,respectively.Since the usage of OPEs as flame retardants has increased over the past decade,the current levels of OPEs in Canadian house dust could be higher than those reported in this study,where the samples were collected in 2007-2010.Further monitoring of OPEs in various environmental and biological matrices is recommended.

关键词： Aryl phosphates Alkyl-aryl phosphates LC-MS/MS House dust Flame retardants Plasticizers dust collection

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