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A review of whole-process control of industrial volatile organic compounds in China

Journal of Environmental Sciences 2023年第1期123卷 127-139页

作者： Hailin Wang Shumei Sun Lei Nie Zhongshen Zhang Wenpeng Li Zhengping Hao beijing key laboratory for urban atmospheric vocs pollution control and technology application Beijing Municipal Research Institute of Environmental ProtectionBeijing 100037China College of Resources Environment and Tourism Capital Normal UniversityBeijing 100048China National Engineering laboratory for vocs pollution control Material&technology Research Center for Environmental Material and Pollution Control TechnologyUniversity of Chinese Academy of SciencesBeijing 101408China

Volatile organic compounds(vocs)play an important role in the formation of ground-level ozone and secondary organic aerosol(SOA),and they have been key issues in current air pollution prevention and control in *** attention has been paid to industrial activities due to their large and relatively complex vocs *** present research aims to provide a comprehensive review on whole-process control of industrial vocs,which mainly includes source reduction,collection enhancement and end-pipe *** vocs materials including water-borne ones are the keys to source substitution in industries related to coating and solvent usage,leak detection and repair(LDAR)should be regarded as an efficient means of source reduction in refining,petrochemical and other chemical *** types of vocs collection methods such as gas-collecting hoods,airtight partitions and others are discussed,and airtight collection at negative pressure yields the best collection *** end-pipe treatments like UV oxidation,low-temperature plasma,activated carbon adsorption,combustion,biodegradation,and adsorption-combustion are discussed in ***,several recommendations are made for future advanced treatment and policy development in industrial vocs emission control.

关键词： Volatile organic compounds Materials substitution Collection enhancement End-pipe treatments

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Catalyst–Support Interaction in Polyaniline‑Supported Ni_(3)Fe Oxide to Boost Oxygen Evolution Activities for Rechargeable Zn‑Air Batteries

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Nano-Micro Letters 2025年第1期17卷 176-190页

作者： Xiaohong Zou Qian Lu Mingcong Tang Jie Wu Kouer Zhang Wenzhi Li Yunxia Hu Xiaomin Xu Xiao Zhang Zongping Shao Liang An Department of Mechanical Engineering The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China Jiangsu key laboratory of atmospheric Environment Monitoring and pollution control Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and TechnologyNanjing University of Information Science and TechnologyNanjing 210044People’s Republic of China Department of Chemistry The Chinese University of Hong KongMa Lin BuildingShatinHong Kong SAR 999077People’s Republic of China WA School of Mines:Minerals Energy and Chemical Engineering(WASM‑MECE)Curtin UniversityPerthWA 6102Australia Research Institute for Advanced Manufacturing The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China Research Institute for Smart Energy The Hong Kong Polytechnic UniversityHung HomKowloonHong Kong SARPeople’s Republic of China

Catalyst–support interaction plays a crucial role in improving the catalytic activity of oxygen evolution reaction(OER).Here we modulate the catalyst–support interaction in polyaniline-supported Ni_(3)Fe oxide(Ni_(3)Fe oxide/PANI)with a robust hetero-interface,which significantly improves oxygen evolution activities with an overpotential of 270 mV at 10 mA cm^(-2)and specific activity of 2.08 mA cm_(ECSA)^(-2)at overpotential of 300 mV,3.84-fold that of Ni_(3)Fe *** is revealed that the catalyst–support interaction between Ni_(3)Fe oxide and PANI support enhances the Ni–O covalency via the interfacial Ni–N bond,thus promoting the charge and mass transfer on Ni_(3)Fe *** the excellent activity and stability,rechargeable Zn-air batteries with optimum Ni_(3)Fe oxide/PANI are assembled,delivering a low charge voltage of 1.95 V to cycle for 400 h at 10 mA cm^(-2).The regulation of the effect of catalyst–support interaction on catalytic activity provides new possibilities for the future design of highly efficient OER catalysts.

关键词： Catalyst-support interaction Supported catalysts Heterointerface Oxygen evolution reaction Zn-air batteries

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A comprehensive classification method for VOC emission sources to tackle air pollution based on VOC species reactivity and emission amounts

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Journal of Environmental Sciences 2018年第5期30卷 78-88页

作者： Guohao Li Wei Wei Xia Shao Lei Nie Hailin Wang Xiao Yan Rui Zhang Municipal Research Institute of Environmental Protection Beijing 100037China key laboratory of beijing on Regional Air pollution control Beijing University of TechnologyBeijing 100124China key laboratory of beijing on VOC pollution control technology and application of urban Atmosphere Beijing 100037China

In China, volatile organic compound（VOC） control directives have been continuously released and implemented for important sources and regions to tackle air pollution. The corresponding control requirements were based on VOC emission amounts（EA）, but never considered the significant differentiation of VOC species in terms of atmospheric chemical reactivity. This will adversely influence the effect of VOC reduction on air quality improvement. Therefore,this study attempted to develop a comprehensive classification method for typical VOC sources in the beijing–Tianjin–Hebei region（BTH）, by combining the VOC emission amounts with the chemical reactivities of VOC species. Firstly, we obtained the VOC chemical profiles by measuring 5 key sources in the BTH region and referencing another 10 key sources, and estimated the ozone formation potential（OFP） per ton VOC emission for these sources by using the maximum incremental reactivity（MIR） index as the characteristic of source reactivity（SR）. Then, we applied the data normalization method to respectively convert EA and SR to normalized EA（NEA） and normalized SR（NSR） for various sources in the BTH ***, the control index（CI） was calculated, and these sources were further classified into four grades based on the normalized CI（NCI）. The study results showed that in the BTH region,furniture coating, automobile coating, and road vehicles are characterized by high NCI and need to be given more attention; however, the petro-chemical industry, which was designated as an important control source by air quality managers, has a lower NCI.

关键词： VOC Source chemical profile Source classification beijing-Tianjin-Hebei (BTH) region

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Chemical characterization of volatile organic compounds (vocs) emitted from multiple cooking cuisines and purification efficiency assessments

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Journal of Environmental Sciences 2023年第8期130卷 163-173页

作者： Hanyu Zhang XuejunWang Xianbao Shen Xin Li BoboWu Guohao Li Huahua Bai Xinyue Cao Xuewei Hao Qi Zhou Zhiliang Yao School of Ecology and Environment Beijing Technology and Business UniversityBeijing 100048China State Environmental Protection key laboratory of Food Chain pollution control Beijing Technology and Business UniversityBeijing 100048China beijing Municipal Research Institute of Environmental Protection Beijing Key Laboratory of Urban Atmospheric Volatile Organic Compounds Pollution Control and ApplicationNational Urban Environmental Pollution Control Engineering Research CenterBeijing 100037China

Cooking process can produce abundant volatile organic compounds(vocs),which are harmful to environment and human ***,we conducted a comprehensive analysis in which vocs emissions from multiple cuisines have been sampled based on the simulation and acquisition platform,involving concentration characteristics,ozone formation potential(OFP)and purification efficiency *** emissions varied from 1828.5 to 14,355.1μg/m^(3),with the maximumand minimumvalues fromBarbecue and Family cuisine,*** and alcohol had higher contributions to vocs from Sichuan and Hunan cuisine(64.1%),Family cuisine(66.3%),Shandong cuisine(69.1%)and Cantonese cuisine(69.8%),with the dominant vocs species of ethanol,isobutane and *** comparison,alcohols(79.5%)were abundant for Huaiyang cuisine,while alkanes(19.7%),alkenes(35.9%)and haloalkanes(22.9%)accounted for higher proportions from ***,carbon tetrachloride,n-hexylene and 1-butene were the most abundant vocs species for Barbecue,ranging from 8.8%to 14.6%.The highest OFP occurred in *** sensitive species of OFP for Huaiyang cuisine were alcohols,while other cuisines were *** efficiency assessments shed light on the removal differences of individual and synergistic control *** emissions exhibited a strong dependence on the photocatalytic oxidation,with the removal efficiencies of 29.0%–54.4%.However,the high voltage electrostatic,wet purification and mechanical separation techniques played a mediocre or even counterproductive role in the vocs reduction,meanwhile collaborative control technologies could not significantly improve the removal *** results identifiedmore effective control technologies,which were conductive to alleviating air pollution from cooking emissions.

关键词： Cooking emissions Volatile organic compounds(vocs) vocs categories Ozone formation potential(OFP) Purification efficiency

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Aerosol-radiation interaction and its variation in North China within 2015–2019 period under continuous PM_(2.5)improvements

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Journal of Environmental Sciences 2024年第2期136卷 81-94页

作者： Zhe Lv Xiaoqi Wang Wei Wei Huahua Bai Xiaoyu Liu Guohao Li Shuiyuan Cheng Department of Environmental Science and Engineering Beijing University of TechnologyBeijing 100124China key laboratory of beijing on Regional Air pollution control Beijing 100124China beijing Municipal Research Institute of Eco-Environmental Protection Beijing 100037China beijing key laboratory of urban atmospheric Volatile Organic Compounds pollution control and application Beijing 100037China

A study was conducted on aerosol-radiation interactions over six cities in this region within the 2015–2019 ***-Chem simulations on 2017 showed that based on the six-city average,the aerosol load(PM_(2.5)concentrations)of 121.9,49.6,43.3,and 66.3μg/m^(3)in January,April,July,and October,mainly lowered the level of downward shortwave radiation by 38.9,24.0,59.1,and 24.4 W/m~2and reduced the boundary layer height by 79.9,40.8,87.4,and 31.0 m,via scattering and absorbing solar *** sensitivity of meteorological changes to identical aerosol loads varied in the order July>January>October and ***,the cooling and stabilizing effects of aerosols further led to increases in PM_(2.5),by23.0,3.4,4.6,and 7.3μg/m^(3)respectively in the four *** sensitivity of the effect of aerosols on PM_(2.5)was greatest in January rather than in July,contrary to the effect on ***,a negative linear relation was observed between daily BLH reductions and aerosol loads in fall and winter,and between PM_(2.5)increases and aerosol loads in all *** the PM_(2.5)pollution improvements in this region,the aerosol radiative forcing was effectively *** should result in daily BLH increases of 10–24 m in fall and winter,and the estimates in beijing agreed well with the corresponding results based on AMDAR ***,the reduction in aerosol radiation effects brought about daily PM_(2.5)decreases of 1.6-2.8μg/m^(3),accounting for 7.0%–17.7%in PM_(2.5)improvements.

关键词： Radiative forcing Aerosol PM_(2.5) Boundary layer height(BLH) North China

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A novel approach for synthesis of expanded graphite and its enhanced lithium storage properties

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Journal of Energy Chemistry 2021年第8期30卷 292-298,I0007页

作者： Xianghong Chen Feng Xiao Yu Lei Haiyin Lu Jiakui Zhang Min Yan Jiantie Xu Guangdong Provincial key laboratory of atmospheric Environment and pollution control National Engineering Laboratory for VOCs Pollution Control Technology and EquipmentSchool of Environment and EnergySouth China University of TechnologyGuangzhou 510640China

Relying on the great success in portable and smart devices,lithium ion batteries(LIBs)have been considered as one of the leading technologies in electric vehicles(EVs)and stationary energy storage systems(ESSs).With the rapid development of EVs and ESSs,the technology upgrading of LIBs is highly *** expected,it requires LIBs with improved power and energy densities[1].

关键词： Expanded graphite Holey Anodes Lithium ion batteries Rate capability

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High performance lithium oxygen batteries based on a phosphorous-doped holey graphene cathode

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Rare Metals 2022年第12期41卷 4027-4033页

作者： Ying Meng Jia-Kui Zhang Hai-Ying Lu Xiang-Hong Chen Jian-Tie Xu National Engineering laboratory for vocs pollution control technology and Equipment Guangdong Provincial Key Laboratory of Atmospheric Environment and Pollution ControlSchool of Environment and EnergySouth China University of TechnologyGuangzhou 510640China

The sluggish electrochemical kinetics of cathode is one of the critical issues for the development of high performance lithium oxygen batteries(LOBs).Graphene-based materials have attracted great attentions as advance... 详细信息

关键词： lithium performance kinetics

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Low-temperature NH_(3) abatement via selective oxidation over a supported copper catalyst with high Cu^(+) abundance

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Journal of Environmental Sciences 2024年第9期143卷 12-22页

作者： Zhiming Yang Lin Peng Leneng Yang Mingli Fu Daiqi Ye Peirong Chen Guangdong Provincial key laboratory of atmospheric Environment and pollution control National Engineering Laboratory for VOCs Pollution Control Technology and EquipmentSchool of Environment and EnergySouth China University of TechnologyGuangzhou 510006China Guangdong Chengyi Environmental technology Corp. Shaoguan 512158China

Selective catalytic NH_(3)-to-N_(2) oxidation(NH_(3)-SCO)is highly promising for abating NH_(3) emissions slipped from stationary flue gas after-treatment *** practical application,however,is limited by the non-availability of low-cost catalysts with high activity and N_(2) ***,using defect-rich nitrogen-doped carbon nanotubes(NCNT-AW)as the support,we developed a highly active and durable copper-based NH_(3)-SCO catalyst with a high abundance of cuprous(Cu^(+))*** obtained Cu/NCNT-AW catalyst demonstrated outstanding activity with a T_(50)(*** temperature to reach 50% NH_(3) conversion)of 174℃ in the NH_(3)-SCO reaction,which outperformed not only the Cu catalyst supported on N-free O-functionalized CNTs(OCNTs)or NCNT with less surface defects,but also those most active Cu catalysts in open *** kinetics measurements and temperature-programmed surface reactions using NH_(3)as a probe molecule revealed that the NH_(3)-SCO reaction on Cu/NCNT-AW follows an internal selective catalytic reaction(i-SCR)route involving nitric oxide(NO)as a key *** to mechanistic investigations by X-ray photoelectron spectroscopy,Raman spectroscopy,and X-ray absorption spectroscopy,the superior NH_(3)-SCO performance of Cu/NCNT-AW originated from a synergy of surface defects and ***,surface defects promoted the anchoring of Cu O nanoparticles on N-containing sites and,thereby,enabled efficient electron transfer from N to Cu O,increasing significantly the fraction of SCR-active Cu^(+)sites in the *** study puts forward a new idea for manipulating and utilizing the interplay of defects and N-dopants on carbon surfaces to fabricate Cu^(+)-rich Cu catalysts for efficient abatement of slip NH_(3)emissions via selective oxidation.

关键词： NH_(3)-SCO XANES Localized etching N-doping N_(2) selectivity i-SCR

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Allowance and allocation of industrial volatile organic compounds emission in China for year 2020 and 2030

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Journal of Environmental Sciences 2018年第7期30卷 155-165页

作者： Jiani Zhang Jingfang Xiao Xiaofang Chen Xiaoming Liang Liya Fan Daiqi Ye School of Environment and Energy South China University of Technology Guangzhou 510006 China Guangdong Provincial key laboratory of atmospheric Environment and pollution control Guangzhou 510006 China National Engineering laboratory for vocs pollution control technology and Equipment South China University of TechnologyGuangzhou 510006 China

As an effective pollution control method, emission allowance and allocation just implemented in volatile organic compounds（vocs） control strategy of China in 2016. This article presents a possible way to set the emission allowance targets and establishes an allowance allocation model for the object year, 2020 and 2030, using 2010 as the reference year. On the basis of regression and scenario analysis method, the emission allowance targets were designed,which were 17.902 Tg and 18.224 Tg for 2020 and 2030, with an increasing rate of 28.75% and31.06% compared to 2010. From the perspective of industries, processes using vocscontaining products, like machinery and equipment manufacturing, would continue to be the most significant industrial vocs emission sources in the future of China. Four allocation indicators were selected, which are per capita GDP of each province, per capita industrial vocs emission of each province, the economic contribution of industrial sector to regional economy of each province, and the emission intensity per land area of each province, *** on information entropy, the weights of the indicators were calculated and an emission allocation model was established, and the results showed that provinces like Shandong,Jiangsu, Guangdong, Zhejiang and Fujian were calculated to obtain more emission allowance while burden more reduction responsibility. Meanwhile, provinces like Guizhou, Ningxia,Hainan, Qinghai and Xizang were on the contrary. This paper suggests governments to enhance or ease to industrial vocs reduction burden of each province in order to stimulate its economy or change its way of economy development.

关键词： vocs Allowance Allocation Industrial emission China

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Adsorption of vocs on reduced graphene oxide

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Journal of Environmental Sciences 2018年第5期30卷 171-178页

作者： Lian Yu Long Wang Weicheng Xu Limin Chen Mingli Fu Junliang Wu Daiqi Ye College of Environment and Energy South China University of TechnologyGuangzhou 510006China Guangdong Provincial key laboratory of atmospheric Environment and pollution control Ouangzhou 510006China National Engineering laboratory for vocs pollution control technology and Equipment South China University of TechnologyGuangzhou 520006China

A modified Hummer＇s method was adopted for the synthesis of graphene oxide（GO） and reduced graphene oxide（rGO）. It was revealed that the modified method is effective for the production of GO and rGO from graphite. Transmission electron microscopy（TEM） images of GO and rGO showed a sheet-like morphology. Because of the presence of oxygenated functional groups on the carbon surface, the interlayer spacing of the prepared GO was higher than that of rGO. The presence of ／OH and CO groups in the Fourier transform infrared spectra（FTIR） spectrum and G-mode and 2D-mode in Raman spectra confirmed the synthesis of GO and rGO. rGO（292.6 m2/g） showed higher surface area than that of GO（236.4 m2/g）. The prepared rGO was used as an adsorbent for benzene and toluene（model pollutants of volatile organic compounds（vocs）） under dynamic adsorption/desorption conditions. rGO showed higher adsorption capacity and breakthrough times than GO. The adsorption capacity of rGO for benzene and toluene was 276.4 and 304.4 mg/g, *** experiments showed that the spent rGO can be successfully regenerated by heating at 150.0℃. Its excellent adsorption/desorption performance for benzene and toluene makes rGO a potential adsorbent for VOC adsorption.

关键词： Graphene oxide Reduced graphene oxide Volatile organic compounds Adsorption

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