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Askarel transformer 1

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Detailed analysis of PCBs and PCDD/Fs impurities in a dielectric oil sample (ASKAREL Nr 1740) from an

Jun HUANG, Yamei HUI, Toru MATSUMURA, Gang YU, Shubo DENG, Makoto YAMAUCHI, Changmin WU, Norimasa YAMAZAKI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 195-204 doi: 10.1007/s11783-013-0527-y

Abstract: Homolog and congener profiles of polychlorinated biphenyls (PCBs), polychlorinated dibenzo- - dioxins(PCDDs) and polychlorinated dibenzofurans (PCDFs) in commercial PCBs formulations are useful informationprofile between the oil sample and Aroclor 1260 was found, with the hexachlorinated and heptachlorinated biphenylsTotal concentration of PCDDs, PCDFs and dioxin-like PCBs (DL-PCBs) was found to be 740 ng TEQ/g, of which620 ng TEQ/g came from DL-PCBs.

Keywords： profiles of polychlorinated biphenyls (PCBs)     polychlorinated dibenzo-p-dioxins (PCDDs)     polychlorinated dibenzofurans (PCDFs)     Askarel transformer     insulating fluid    

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Development and characterization of an anaerobic microcosm for reductive dechlorination of PCBs

Dawei Liang, Shanquan Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0939-1

Abstract: The toxic and recalcitrant polychlorinated biphenyls (PCBs) adversely affect human and biota by bioaccumulationAfter 4 months of incubation in defined mineral salts medium amended PCBs (70 mmol·L ) and lactate (10mL after 120 days of incubation, suggesting that play a major role in reductive dechlorination of PCBsfeasibility of anaerobic reductive culture enrichment for the dehalogenation of highly chlorinated PCBs

Keywords： Polychlorinated biphenyls (PCBs)     Microbial reductive dechlorination     Dehalococcoides     Pathway    

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into quantitative structure-property relationship models for prediction of the photolysis half-life of PCBs

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 505-511 doi: 10.1007/s11783-011-0318-2

Abstract: structure-property relationship (QSPR) models were developed for prediction of photolysis half-life ( ) of polychlorinatedbiphenyls (PCBs) in water under ultraviolet (UV) radiation.value for the optimal QSPR model is 0.966, indicating good prediction capability for lg values of PCBsHigher values or lower Δ values of the PCBs leads to higher lg values.In addition, the lg values of PCBs increase with the increase in the energy of the highest occupied

Keywords： photolysis     polychlorinated biphenyls (PCBs)     quantitative structure-property relationships (QSPRs)     quantum    

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Remediation of soil heavily polluted with polychlorinated biphenyls using a low-temperature plasma technique

Xiuhua LI, Haibo ZHANG, Yongming LUO, Ying TENG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 277-283 doi: 10.1007/s11783-013-0562-8

Abstract: Polychlorinated biphenyls PCBs) were removed by low-temperature plasma technique (dielectric barrierThis technique was characterized by the additional advantage of thorough oxidation of PCBs in the soil

Keywords： polychlorinated biphenyls     low-temperature plasma     soil contamination     intermediate products    

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Determination of persistent organic pollutants by gas chromatography/laser multiphoton ionization/time-of-flight mass spectrometry

Osamu SHITAMICHI, Taiki MATSUI, Yamei HUI, Weiwei CHEN, Totaro IMASAKA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 26-31 doi: 10.1007/s11783-011-0374-7

Abstract: An authentic mixture of polychlorinated biphenyls was measured using a short wide-bore capillary column

Keywords： polychlorinated biphenyls (PCBs)     polycyclic aromatic hydrocarbons (PAHs)     laser multiphoton ionization    

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Potential sources of unintentionally produced PCB, HCB, and PeCBz in China: A preliminary overview

Xiaotu Liu, Heidelore Fiedler, Wenwen Gong, Bin Wang, Gang Yu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1036-9

Abstract:

A preliminary analysis of potential sources for unintentionally produced PCB, HCB and PeCBz in China.

Activity rates of sources for reference years from 2000 to 2015 provided.

Emissions from a number of sources summarized and compared.

Implications for future research and regulation discussed.

Keywords： Unintentionally produced POPs     Polychlorinated biphenyls     Hexachlorobenzene     Pentachlorobenzene     sources    

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Dechlorination of 2,2′,4,4′,5,5′-hexachlorobiphenyl by thermal reaction with activated carbon-supported copper or zinc

Yifei SUN, Xin FU, Wei QIAO, Wei WANG, Tianle ZHU, Xinghua LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 827-832 doi: 10.1007/s11783-013-0543-y

Abstract: Activated carbon (AC)-supported copper or zinc made from ion exchange resin (IRCu-C and IRZn-C) have an increased metal load of 557.3 mg?g and 502.8 mg?g compared to those prepared by the traditional method involving impregnation with AC and copper (II) citrate or zinc citrate solution (LaCu-C and LaZn-C) of 12.9 mg?g and 46.0 mg?g respectively. When applied to decompose 2,2′,4,4′,5,5′-hexachlorobiphenyl at 250 °C, IRCu-C achieved higher activity of 99.0% decomposition efficiency than LaCu-C of 84.7%, IRZn-C of 90.5% and LaZn-C of 62.7%. When the reaction temperature rose to 350 °C, all the four kinds of reactants can decompose PCB-153 with efficiency above 90%. Further, X-ray photoelectron spectroscopy characterization of IRCu-C before and after the reaction indicated transformation of 19.1% of Cu atoms into Cu , illustrating that Cu is the active ingredient or electron donor promoting the decomposition of PCB-153. The mechanism underlying this process differs from a traditional H donor. However, there is no significant change on the surface of IRZn-C before and after the reaction, suggesting that Zn acts as catalyst during the process of PCB-153 decomposition.

Keywords： polychlorinated biphenyls     activated carbon-supported copper or zinc     dechlorination     electron donor    

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Legacies and health risks of heavy metals, polybrominated diphenyl ethers, and polychlorinated dibenzo-dioxins

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1679-z

Abstract:

● Heavy metals and organic toxins may persist in legacy sites for a long time.

Keywords： E-waste     Human health risk     Organ risk     Heavy metal toxicity     PBDE     PCDD/F    

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Experimental study on low temperature thermal treatment of polychlorinated dibenzo-p-dioxins and dibenzofurans

YAN Jianhua, CHEN Tong, LU Shengyong, LI Xiaodong, GU Yueling, CEN Kefa

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 280-284 doi: 10.1007/s11708-007-0039-1

Abstract: The effects of temperature and time on polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs)

Keywords： congener     polychlorinated     temperature     chromatography     high-resolution    

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Hydrothermal treatment of MSWI fly ash for simultaneous dioxins decomposition and heavy metal stabilization

Jinlong XIE, Yuyan HU, Dezhen CHEN, Bin ZHOU,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 108-115 doi: 10.1007/s11783-010-0013-8

Abstract: In order to enhance decomposing polychlorinated dibenzo-dioxins (PCDDs) and polychlorinated dibenzo-furans

Keywords： municipal solid wastes incineration (MSWI)     fly ashes     polychlorinated dibenzo-dioxins (PCDDs)     polychlorinated    

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PCDD/Fs emission, risk characterization, and reduction in China’s secondary copper production industry

Haiqian LI, Yonglong LU, Li LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 589-597 doi: 10.1007/s11783-013-0495-2

Abstract: Secondary copper production is one of the key polychlorinated dibenzo- -dioxins and dibenzofurans (PCDD

Keywords： polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs)     secondary copper production    

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A critical review on the recycling of copper and precious metals from waste printed circuit boards using hydrometallurgy

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0995-6

Abstract: In particular, waste printed circuit boards (PCBs) have become of global concern with regard to environmentalSuch waste PCBs contain precious metals which are of monetary value.reviews the recent trends and developments with regard to the recycling of precious metals from waste PCBs

Keywords： Waste PCBs     Precious metals     Hydrometallurgy     Recycling     Leaching     Recovery    

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PHAHs in surface sediments from the Baiyangdian Lake and their potential risk

Zhao Gaofeng,Zhou Huaidong,Fu Yuqin,Zhao Yueqian,Jiang Jinjie,Cai Weiwei,Lu Xiaohong,Yang Xiaoman

Strategic Study of CAE 2010, Volume 12, Issue 6,   Pages 41-47

Abstract: The measured level shows that PCBs have the highest entrations in the sediment samples among the threeThe levels of PBBs and PBDEs are lower than those of PCBs in the sediment samples, with a concentration

Keywords： Baiyangdian     sediment     PBBs     PBDEs     PCBs    

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Recycling polymeric waste from electronic and automotive sectors into value added products

Abhishek Kumar, Veena Choudhary, Rita Khanna, Romina Cayumil, Muhammad Ikram-ul-Haq, Veena Sahajwalla, Shiva Kumar I. Angadi, Ganapathy E. Paruthy, Partha S. Mukherjee, Miles Park

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0991-x

Abstract: The addition of up to 25% polymeric waste PCBs (printed circuit boards) as fillers in polypropylene (

Keywords： E-waste     Polymer composites     Recycling     Rubber     Waste PCBs     Filler    

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Title Author Date Type Operation

Detailed analysis of PCBs and PCDD/Fs impurities in a dielectric oil sample (ASKAREL Nr 1740) from an

Jun HUANG, Yamei HUI, Toru MATSUMURA, Gang YU, Shubo DENG, Makoto YAMAUCHI, Changmin WU, Norimasa YAMAZAKI

Journal Article

Development and characterization of an anaerobic microcosm for reductive dechlorination of PCBs

Dawei Liang, Shanquan Wang

Journal Article

into quantitative structure-property relationship models for prediction of the photolysis half-life of PCBs

Yueping BAO, Qiuying HUANG, Wenlong WANG, Jiangjie XU, Fan JIANG, Chenghong FENG

Journal Article

Remediation of soil heavily polluted with polychlorinated biphenyls using a low-temperature plasma technique

Xiuhua LI, Haibo ZHANG, Yongming LUO, Ying TENG

Journal Article

Determination of persistent organic pollutants by gas chromatography/laser multiphoton ionization/time-of-flight mass spectrometry

Osamu SHITAMICHI, Taiki MATSUI, Yamei HUI, Weiwei CHEN, Totaro IMASAKA

Journal Article

Potential sources of unintentionally produced PCB, HCB, and PeCBz in China: A preliminary overview

Xiaotu Liu, Heidelore Fiedler, Wenwen Gong, Bin Wang, Gang Yu

Journal Article

Dechlorination of 2,2′,4,4′,5,5′-hexachlorobiphenyl by thermal reaction with activated carbon-supported copper or zinc

Yifei SUN, Xin FU, Wei QIAO, Wei WANG, Tianle ZHU, Xinghua LI

Journal Article

Legacies and health risks of heavy metals, polybrominated diphenyl ethers, and polychlorinated dibenzo-dioxins

Journal Article

Experimental study on low temperature thermal treatment of polychlorinated dibenzo-p-dioxins and dibenzofurans

YAN Jianhua, CHEN Tong, LU Shengyong, LI Xiaodong, GU Yueling, CEN Kefa

Journal Article

Hydrothermal treatment of MSWI fly ash for simultaneous dioxins decomposition and heavy metal stabilization

Jinlong XIE, Yuyan HU, Dezhen CHEN, Bin ZHOU,

Journal Article

PCDD/Fs emission, risk characterization, and reduction in China’s secondary copper production industry

Haiqian LI, Yonglong LU, Li LI

Journal Article

A critical review on the recycling of copper and precious metals from waste printed circuit boards using hydrometallurgy

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Journal Article

PHAHs in surface sediments from the Baiyangdian Lake and their potential risk

Zhao Gaofeng,Zhou Huaidong,Fu Yuqin,Zhao Yueqian,Jiang Jinjie,Cai Weiwei,Lu Xiaohong,Yang Xiaoman

Journal Article

Recycling polymeric waste from electronic and automotive sectors into value added products

Abhishek Kumar, Veena Choudhary, Rita Khanna, Romina Cayumil, Muhammad Ikram-ul-Haq, Veena Sahajwalla, Shiva Kumar I. Angadi, Ganapathy E. Paruthy, Partha S. Mukherjee, Miles Park

Journal Article