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Journal of Environmental Sciences 2014年第10期26卷 2018-2026页

作者： Peng Zhou Jie Guo Xiaoyu Zhou Wei Zhang Lili Liu Yangcheng Liu Kuangfei Lin School of Resources and Environmental Engineering East China University of Science and Technology

A typical Printed Circuit Board（PCB） manufacturer was chosen as the object of this study.During PCB processing, fine particulate matter and heavy metals（Cu, Zn, Pb, Cr, Cd and Ni）will be released into the air and dust, which then impact workers＇ health and the environment. The concentrations of total suspended particle（TSP）, PM10 and PM2.5in the off-site were 106.3, 90.0 and 50.2 μg/m3, respectively, while the concentrations of TSP, PM10 and PM2.5in the workshops ranged from 36.1 to 365.3, from 27.1 to 289.8 and from 22.1 to212.3 μg/m3, respectively. Almost all six of the heavy metals were detected in all of the particle samples except Cd. For each workshop, it was obvious that Zn was the most enriched metal in TSP, followed by Cu 〉 Pb（Cr）〉 Ni 〉 Cd, and the same trend was found for PM10 and PM2.5. In the dust samples, Cu（which ranged from 4.02 to 56.31 mg/g） was the most enriched metal, followed by Zn, Cr, Pb, Ni and Cd, and the corresponding concentrations ranged from 0.77 to 4.47, 0.37 to 1.59, 0.26 to 0.84, 0.13 to 0.44 and nd to0.078 mg/g, respectively. The health risk assessment showed that noncancerous effects are unlikely for Zn, Pb, Cr, Cu, Cd and Ni. The carcinogenic risks for Cd and Ni were all lower than 10-6, except for Cr. This result indicates that carcinogenic risks for workers are relatively possible in the workshops. These findings suggest that this technology is advanced from the perspective of environmental protection in the waste PCB＇s recycling industry.

关键词： Heavy metal PM2.5 Dust Risk assessment PCB manufacturing

上海地区留鸟麻雀中多溴联苯醚(PBDEs)空间分布特征研究

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农业环境科学学报 2023年第8期42卷 1703-1709页

作者：黄凯林匡飞上海新金桥环保有限公司上海201201 华东理工大学国家环境保护化工过程环境风险评价与控制重点实验室上海200237

为了探明上海地区留鸟麻雀中多溴联苯醚(PBDEs)污染水平、分布模式及其区域性地理分布特征,本研究以上海为典型研究区域,检测了不同功能区域内麻雀肌肉中PBDEs的含量。结果发现,上海麻雀肌肉样品中Σ_(7)PBDEs含量(BDE 28、BDE 47、BDE... 详细信息

为了探明上海地区留鸟麻雀中多溴联苯醚(PBDEs)污染水平、分布模式及其区域性地理分布特征,本研究以上海为典型研究区域,检测了不同功能区域内麻雀肌肉中PBDEs的含量。结果发现,上海麻雀肌肉样品中Σ_(7)PBDEs含量(BDE 28、BDE 47、BDE 99、BDE 100、BDE 153、BDE 154和BDE 183含量之和,以脂质质量计)范围为9.0~83.6 ng·g^(-1),BDE 209最高含量达292.0 ng·g^(-1),BDE 209平均含量是Σ_(7)PBDEs平均含量的2倍左右,表明十溴联苯醚(Deca)商业品是上海地区麻雀中PBDEs的主要污染源。上海工业园区和城市中心地区样品中Σ8PBDEs含量(Σ_(7)PBDEs和BDE 209含量之和)显著高于农村地区的麻雀样品,Σ_(8)PBDEs地理空间分布遵从填埋场>工业园区>城市中心地区>城郊结合部>农村的规律,垃圾填埋场、工业园区是上海区域潜在的PBDEs的释放源。与全国其他地区相比,上海市麻雀中PBDEs含量处于较低水平,上海地区PBDEs的生态风险较小,但垃圾填埋场、工业园区和中心城区的个别麻雀样品PBDEs含量水平较高,其潜在环境风险不容忽视。

关键词：多溴联苯醚(PBDEs) 留鸟麻雀空间分布上海

Identification and ecotoxicity assessment of intermediates generated during the degradation of clofibric acid by advanced oxidation processes

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Frontiers of Environmental Science & Engineering 2012年第4期6卷 445-454页

作者： Wenzhen LI Yu DING Qian SUI Shuguang LU Zhaofu QIU Kuangfei Lin State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process Shanghai Key Laboratory of Functional Materials ChemistryEast China University of Science and TechnologyShanghai 200237China Datang Energy Corporation Hulunbeier 021008China

The aim of this study was to identify the intermediates in clofibric acid degradation under various advanced oxidation processes, namely ultraviolet （UV）, UV/H2O2, vacuum ultraviolet （VUV）, VUV/H2O2, and solar/TiO2 processes, as well as to assess the toxicity of these intermediates. Eleven intermediates have been detected by gas chromatography-mass spectrometer, most of which were reported for the first time to our best knowledge. Combining the evolution of the dissolved organic carbon, CF and specific ultraviolet absorption at 254 nm, it could be deduced that cleavage of aromatic ring followed by dechlorination was the mechanism in solar/ TiO2 process, while dechlorination happened first and accumulation of aromatic intermediates occurred in the other processes. Different transformation pathways were proposed for UV-, VUV-assisted and solar/TiO2 processes, respectively. The acute toxicity was evaluated by means of Photobacterium phosphoreurn T3 spp. bioassay. It was believed that aromatic intermediates increased the toxicity and the ring-opening pathway in solar/TiO2 process could relieve the toxicity.

关键词： clofibric acid advanced oxidation processes intermediates toxicity Photobacterium phosphoreum T3 spp.

Quantum dots enhance Cu^(2+)-induced hepatic L02 cells toxicity

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Journal of Environmental Sciences 2010年第12期22卷 1987-1992页

作者： Yuxia Zhao,Kuangfei Lin,Wei Zhang,Lili Liu State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process,Shanghai 200237,China State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process Shanghai 200237 Chin

As a new class of xenogenous nanoparticle, quantum dots （QDs） possess the potential to co-exist with Cu^2＋ in human liver. The combined toxicity is thus concerned. Considering QDs and Cu^2＋ are known ROS （reactive oxygen species） inducer, we investigated the combined oxidative stress and corresponding protective strategy using human hepatic L02 cells. The results demonstrated that the presence of a small amount of MPA-CdTe QDs （2 μg/mL） in a Cu^2＋ solution （2.5-20 μg/mL） resulted in a higher toxicity with up to 8-fold cell viability decrease, which was accompanied by cell morphology changes. The combined toxicity was then confirmed as ROS associated oxidative stress with up to 300% and 35% increase of the intracellular ROS level and glutathione S-transferase （GST） activity, respectively. N-acetylcysteine （NAC） can also provide almost complete protection against the induced toxicity. Therefore, the ROS associated oxidant injury might be responsible for the QDs-Cu^2＋/Cu^2＋ induced toxicity and could be balanced through cytoprotective antioxidant enzyme GST.

关键词： quantum dots hepatic L02 cell reactive oxygen species glutathione S-transferase

Study on the long-term stability of Cr-contaminated soil in electroplating plant stabilized by calcium polysulfide

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Study on the long-term stability of Cr-contaminated soil in ...

十溴联苯醚与镉复合污染对水稻种子萌发与幼苗生长的毒性效应

中国土壤学会土壤环境专业委员会第二十次会议暨农田土壤污...

作者： RAN Yuling LUO Qishi LU Xin WANG Manli lin kuangfei CUI Changzheng State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process School of Resources and Environmental Engineering East China University of Science and Technology Branch of Shanghai Yonker Environmental Protection Co. Ltd

In order to explore the long-term stability of chromium-contaminated soils in electroplating plants after stabilization, we conducted a study to evaluates the effect of calcium polysulfide(CPS) on Cr stabilization in soil, under acid rain leaching, freezing-thawing cycle, and alternate wetting and drying, providing methods and data support for long-term stability assessment of Cr-contaminated soil stabilization in electroplating plants. The results demonstrated that the high stabilization effect at molar ratio of CPS/Cr(Ⅵ) was 3, with the stable efficiencies of total chromium(TCr) and Cr(Ⅵ) of 99.6% and 99.9%, respectively. The release of TCr and Cr(Ⅵ) in CPS stabilized soil under acid rain can be well fitted to the cumulative release in the fast release phase and the release equilibrium phase using the modified Elovich equation and the first-order kinetic equation, respectively. Although the release concentration of TCr and Cr(Ⅵ) in CPS stabilized soil during releasing equilibrium phase were maintained in the range of 0.78 2.33 mg L and 0.125 0.243 mg L respectively, but the cumulative release content of TCr and Cr(Ⅵ) were 92 mg kg and 11 mg kg under 102 d acid rain environment by column test respectively. Freezing-thawing cycle reduce the leaching of TCr in the soil. After 15 times of wetting and drying alternates, the CPS-stabilized soil leaching TCr concentration was decreased by 0.01 mg L from 2.55 mg L. Acid rain leaching can be used as a sensitive indicator to evaluate the long-term stability of Cr-contaminated soil after stabilization.

关键词： Calcium polysulfide（CPS） Long-term stability Chromium-contaminated soil Simulated acid rain leaching Freezing-thawing cycles Wetting and drying alternating

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农业环境科学学报 2023年第12期42卷 2752-2762页

作者：卢云青周长瑞杨垚彭程林匡飞华东理工大学资源与环境工程学院上海200237 河南城建学院市政与环境工程学院河南平顶山467036 上海污染控制与生态安全研究院上海200092

为评估十溴联苯醚(BDE-209)与镉(Cd)的联合植物毒性,本研究通过水培试验研究了Cd和BDE-209单独及联合作用对水稻种子发芽、幼苗生长、光合色素含量和抗氧化酶活性的影响。结果表明:单独作用下,低浓度Cd和BDE-209对种子发芽和生长均表现... 详细信息

为评估十溴联苯醚(BDE-209)与镉(Cd)的联合植物毒性,本研究通过水培试验研究了Cd和BDE-209单独及联合作用对水稻种子发芽、幼苗生长、光合色素含量和抗氧化酶活性的影响。结果表明:单独作用下,低浓度Cd和BDE-209对种子发芽和生长均表现为促进作用,而高浓度胁迫则会导致各项指标的降低;两种污染物的联合作用在低浓度Cd胁迫下(1 mg·L^(-1))主要表现为协同效应,在高浓度Cd处理中(50 mg·L^(-1))表现为拮抗作用。Cd与各项生长指标之间均存在显著的剂量-效应关系,其中根部对Cd胁迫的响应最敏感,而BDE-209仅与根鲜质量和根伸长间存在剂量-效应关系。Cd和BDE-209单独胁迫下水稻种子根鲜质量的半数抑制浓度分别为5.05 mg·L^(-1)和6.09 mg·L^(-1)。Cd和BDE-209均能提高水稻幼苗体内的抗氧化酶活性,过氧化物酶和超氧化物歧化酶分别对Cd污染和BDE-209污染有良好的指示作用。研究表明,相较于Cd的单独污染,BDE-209的存在能够缓解高浓度Cd对种子萌发和幼苗生长的毒害作用。

关键词：十溴联苯醚镉复合污染发芽植物毒性水稻

负载纳米零价铁复合材料去除COCs的研究进展

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环境科学与技术 2016年第1期39卷 44-52页

作者：俞恬张巍贾楠林匡飞东理工大学资源与环境工程学院国家环境保护化工过程环境风险评价与控制重点实验室上海200237

负载纳米零价铁及其双金属复合材料能高效降解氯代有机物,已成为国内外都颇受关注的研究热点。该文介绍了纳米零价铁在不同负载材料上的负载方法,概述了负载纳米零价铁复合材料降解氯代有机物的研究进展,包括其降解效率、机理及动力学... 详细信息

负载纳米零价铁及其双金属复合材料能高效降解氯代有机物,已成为国内外都颇受关注的研究热点。该文介绍了纳米零价铁在不同负载材料上的负载方法,概述了负载纳米零价铁复合材料降解氯代有机物的研究进展,包括其降解效率、机理及动力学。并讨论了p H等环境因素及零价铁含量、材料老化等内在因素对该吸附与还原脱氯过程所造成的影响。针对当前该领域在材料性能、降解和老化机理方面的不足,提出了研究展望。

关键词：负载材料纳米零价铁氯代有机物改性寿命

铁碳微电解与微生物共作用降解BDE-209

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环境工程学报 2015年第12期9卷 6161-6166页

作者：刘莉莉刘瑞红陈轶伦林匡飞华东理工大学资源与环境工程学院国家环境保护化工过程环境风险评价与控制重点实验室上海200237

BDE-209是世界上应用最为广泛的溴代阻燃剂之一,同时也是环境介质中普遍存在的一类强亲脂性、高生物累积性的持久性有机污染物。鉴于其生物难降解特性,尝试采用铁碳微电解技术强化其微生物降解。研究中,首先采用单因素实验确定了反应体... 详细信息

BDE-209是世界上应用最为广泛的溴代阻燃剂之一,同时也是环境介质中普遍存在的一类强亲脂性、高生物累积性的持久性有机污染物。鉴于其生物难降解特性,尝试采用铁碳微电解技术强化其微生物降解。研究中,首先采用单因素实验确定了反应体系的铁粉最佳投加量(0.1 g)及最佳的铁碳比(1∶1),进而探讨了铁碳微电解体系促进BDE-209脱溴的降解机制。铁碳微电解体系处理BDE-209时,体系中p H及ORP值有明显的波动,反应120 h后降解率达53.0%;而铁碳微电解体系与微生物共作用体系中,120 h后BDE-209降解率可达到77.5%,降解产物主要为九溴、八溴以及七溴等低溴代联苯醚。实验结果表明,铁碳微电解与微生物共作用能够有效提高BDE-209的生物降解效率。

关键词： BDE-209 铁碳微电解微生物降解代谢产物

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复合污染土壤中十溴二苯醚、铜的同步洗脱

环境污染与防治 2021年第2期43卷 161-165,170页

作者：李超刘冠宏黄凯林匡飞张猛华东理工大学资源与环境工程学院国家环境保护化工过程环境风险评价与控制重点实验室上海200237

为探究螯合型表面活性剂N-十二酰基乙二胺三乙酸钠盐(LED3A)应用于重金属-十溴二苯醚(BDE_(209))复合污染土壤洗脱修复的可行性,采用批平衡振荡实验法,研究LED3A对复合污染土壤中Cu和BDE_(209)的同步洗脱效果,考察洗脱时间、洗脱液浓度... 详细信息

为探究螯合型表面活性剂N-十二酰基乙二胺三乙酸钠盐(LED3A)应用于重金属-十溴二苯醚(BDE_(209))复合污染土壤洗脱修复的可行性,采用批平衡振荡实验法,研究LED3A对复合污染土壤中Cu和BDE_(209)的同步洗脱效果,考察洗脱时间、洗脱液浓度、pH等对洗脱率的影响。结果表明:LED3A对Cu单一污染土壤、BDE_(209)单一污染土壤以及Cu-BDE_(209)复合污染土壤的洗脱过程均符合准二级动力学模型。随着洗脱时间延长,Cu和BDE_(209)的洗脱率逐步增大后趋于平衡,单一污染土壤中的Cu、单一污染土壤中的BDE_(209)、复合污染土壤中的Cu、复合污染土壤中的BDE_(209)的最大洗脱率分别为76.10%、25.35%、73.20%、40.57%。比较发现,复合污染土壤中BDE_(209)的洗脱率有所升高,Cu对BDE_(209)的洗脱存在促进作用。复合污染土壤中,随着洗脱液浓度的增大,Cu和BDE_(209)的洗脱率先升高后有所降低;pH对Cu洗脱率影响较小,对BDE_(209)洗脱率影响较大;水土比的提高有利于Cu和BDE_(209)的洗脱。研究表明,LED3A可同时螯合重金属,增溶有机物,实现复合污染土壤中Cu和BDE_(209)的高效同步洗脱。

关键词：螯合型表面活性剂复合污染土壤重金属十溴二苯醚同步洗脱

生物炭负载纳米铁镍双金属去除水中1,1,1-三氯乙烷

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化工环保 2016年第5期36卷 500-505页

作者：邱月峰李辉刘勇弟林匡飞华东理工大学资源与环境工程学院上海200237

以小麦秸秆为原料制备生物炭,再通过液相还原法制备了生物炭负载纳米铁镍双金属材料(Ni/Fe/BC),运用FTIR,SEM,XRD技术进行了表征,并将该材料用于水中1,1,1-三氯乙烷(TCA)的去除。表征结果显示,生物炭具有良好的空隙结构和较大的比表面积... 详细信息

以小麦秸秆为原料制备生物炭,再通过液相还原法制备了生物炭负载纳米铁镍双金属材料(Ni/Fe/BC),运用FTIR,SEM,XRD技术进行了表征,并将该材料用于水中1,1,1-三氯乙烷(TCA)的去除。表征结果显示,生物炭具有良好的空隙结构和较大的比表面积,能有效负载纳米铁镍双金属,防止纳米铁镍双金属颗粒的团聚。实验结果表明:Ni/Fe/BC的最佳制备条件为生物炭、Fe、Ni的质量比1∶1∶0.01;在TCA质量浓度200 mg/L、Fe加入量1 g/L的条件下,反应60 min时,Ni/Fe/BC对TCA的去除率达99.2%,与未经生物炭负载时的39.1%相比显著提高;生物炭通过吸附TCA使TCA与双金属的接触增多,而铁腐蚀产生的氢被吸附在镍金属表面形成活性氢自由基,促进了TCA的去除。

关键词： 1,1,1-三氯乙烷生物炭纳米铁镍双金属地下水修复