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Bridging science, technology and policy in emerging contaminants control

《环境科学与工程前沿(英文)》 2023年 第17卷 第5期 doi: 10.1007/s11783-023-1665-5

Construction of MOFs-based nanocomposite membranes for emerging organic contaminants abatement in water

《环境科学与工程前沿(英文)》 2023年 第17卷 第7期 doi: 10.1007/s11783-023-1689-x

摘要:

● Application of the MOF-composite membranes in adsorption was discussed.

关键词: Emerging organic contaminants     Metal organic frameworks     Synthesis     Adsorption     Catalysis    

Integrated risk assessment framework for transformation products of emerging contaminants: what we know

《环境科学与工程前沿(英文)》 2023年 第17卷 第7期 doi: 10.1007/s11783-023-1691-3

摘要:

● A better risk assessment can combine the improved non-target analysis method.

关键词: Risk assessment frameworks     Transformation products     Emerging contaminants     High-throughput toxicity screening     Water treatment    

Fate and risk assessment of emerging contaminants in reclaimed water production processes

《环境科学与工程前沿(英文)》 2021年 第15卷 第5期 doi: 10.1007/s11783-021-1392-8

摘要:

• PPCPs had the highest removal efficiency in A2O combined with MBR process (86.8%).

关键词: Trace organic pollution     Antibiotic resistance genes     Reclaimed wastewater     Sludge     Risk assessment     Mass load    

Effectiveness of tertiary treatment processes in removing different classes of emerging contaminants

《环境科学与工程前沿(英文)》 2022年 第16卷 第11期 doi: 10.1007/s11783-022-1583-y

摘要:

● Different advanced treatment processes were tested for ECs removal from wastewater.

关键词: Micropollutants     Wastewater     PAC     Membranes     UV     Tertiary treatment    

Emerging contaminant control: From science to action

《环境科学与工程前沿(英文)》 2022年 第16卷 第6期 doi: 10.1007/s11783-022-1559-y

摘要: Since the concept of emerging contaminants (ECs) was first proposed in 2001, the global scientific research of ECs has developed rapidly. In the past decades, great progress has been achieved in the scientific research of ECs in China, including the establishment of EC analysis method system, the evaluation of the pollution status, pollution characteristics and environmental risk of ECs in typical regions of China, and establishment of EC control technology system. Continuous progress in scientific research of ECs promoted China’s action on EC control. It is planned that the environmental risk of ECs will be generally controlled by 2035 in China. Priority ECs should be screened for environmental management. Although great efforts have been made, the EC control in China still faces tremendous challenges. It is necessary to bridge the gap between scientific research and decision-making management. Based on the science and technology study, various measures such as engineering, policy management and public participation should be combinedly adopted for EC control.

关键词: Emerging contaminants     Priority pollutants     PPCPs     POPs     Control policy    

Understanding and addressing the environmental risk of microplastics

《环境科学与工程前沿(英文)》 2023年 第17卷 第1期 doi: 10.1007/s11783-023-1612-5

摘要:

Over the past decades, the plastic production has been dramatically increased. Indeed, a category of small plastic particles mainly with the shapes of fragments, fibers, or spheres, called microplastics (particles smaller than 5 mm) and nanoplastics (particles smaller than 1 μm) have attracted particular attention. Because of its wide distribution in the environment and potential adverse effects to animal and human, microplastic pollution has been reported as a serious environment problem receiving increased attention in recent years. As one of the commonly detected emerging contaminants in the environment, recent evidence indicates that the concentration of microplastics show an increasing trend, for the reason that up to 12.7 million metric tons of plastic litter is released into aquatic environment from land-based sources each year. Furthermore, microplastic exposure levels of model organisms in laboratory studies are usually several orders of magnitude higher than those found in environment, and the microplastics exposure conditions are also different with those observed in the environment. Additionally, the detection of microplastics in feces indicates that they can be excreted out of the bodies of animal and human. Hence, great uncertainties might exist in microplastics exposure and health risk assessment based on current studies, which might be exaggerated. Policies reduce microplastic emission sources and hence minimize their environmental risks are determined. To promote the above policies, we must first overcome the technical obstacles of detecting microplastics in various samples.

关键词: Emerging contaminants     Microplastics     Environment risk     Health effect    

Corrigendum to “Emerging Organic Contaminants in Chinese Surface Water: Identification of Priority Pollutants

Mengmeng Zhong,Tielong Wang,Wenxing Zhao,Jun Huang,Bin Wang,Lee Blaney,Qingwei Bu,Gang Yu,

《工程(英文)》 doi: 10.1016/j.eng.2022.09.001

中国地表水中优先控制新兴有机污染物的筛选 Article

仲蒙蒙, 王铁龙, 赵文星, 黄俊, 王斌, Lee Blaney, 卜庆伟, 余刚

《工程(英文)》 2022年 第11卷 第4期   页码 111-125 doi: 10.1016/j.eng.2020.12.023

摘要:

近20 年来,新兴有机污染物(EOC)在水环境中的污染现状和潜在危害引起了人们的广泛关注。由于EOC的种类多、数量大,监测项目、治理措施和法律法规应重点关注对生态系统和人体健康产生重要影响的污染物。本文提出了一种基于危害指数和暴露指数的多标准筛选方法,用于对我国地表水检出的405 种未管控的新兴污染物进行优先筛选。对污染物的危害效应、暴露潜力、生态风险和人体健康风险进行定量分析和初步筛选。危害指数为污染物持久性、生物累积性、生态毒性和人体健康危害的综合效应。同样,暴露指数为检出浓度和检出频率的综合函数。根据危害指数和暴露指数标准化值的乘积,对通过初步筛选的123 种污染物进行优先指数排序。根据排序结果,11 种污染物被列为最高优先等级,36 种污染物被列为高优先等级。通过比较优先指数与暴露指数、危害指数、生态风险、人体健康风险的排序结果,发现优先指数可以有效地整合单个指标的排序结果。根据暴露数据和危害数据的可获得性,划分了4 种不确定类别,并针对4 种不确定类别提出不同的应对措施:①对不确定类别1 中的污染物进行常规监测,制定环境质量标准和管控策略;②对不确定类别2 中的污染物增加环境监测项目;③不对确定类别3 中的污染物增加危害评估;④对不确定类别4 中的污染物增加环境监测和危害评估。总体上,本文提出了我国地表水中应优先控制的19 种新兴污染物名录建议,该名录为我国地表水中EOC的监测、控制、评价和管理提供了必要的信息。

关键词: 优先筛选     新兴有机污染物     危害指数     生态毒性     风险评估    

Insight of chemical environmental risk and its management from the vinyl chloride accident

《环境科学与工程前沿(英文)》 2023年 第17卷 第4期 doi: 10.1007/s11783-023-1652-x

摘要: The combustion of vinyl chloride (VC) after the train derailment accident in Ohio, USA in February, 2023 has caused widespread concern around the world. This paper tried to analyze several issues concerning the accident, including the appropriateness of the VC combustion in the emergency response in this accident, the meanings of so-called “controlled combustion”, the potential environmental risks caused by VC and combustion by-products, and follow-up work. In our view, this accident had surely caused environmental and health risks to some extent. Hence, a comprehensive environmental risk assessment is necessary, and then the site with risk should be comprehensively remediated, hazardous waste should be harmlessly treated as soon as possible. Finally, this accident suggests that further efforts should be taken to bridge the gap between chemical safety management and their environmental risk management.

关键词: Vinyl chloride     Combustion     Chemical safety management     Environmental risk     Emerging contaminants    

Sorption of aromatic organophosphate flame retardants on thermally and hydrothermally produced biochars

Ziwen Du, Chuyi Huang, Jiaqi Meng, Yaru Yuan, Ze Yin, Li Feng, Yongze Liu, Liqiu Zhang

《环境科学与工程前沿(英文)》 2020年 第14卷 第3期 doi: 10.1007/s11783-020-1220-6

摘要: TPhP showed faster and higher sorption on biochars than TPPO. Pyrochars had higher sorption capacity for TPPO than hydrochar. Hydrophobic interactions dominated TPhP sorption by biochars. The π-π EDA and electrostatic interactions are involved in sorption. Aromatic organophosphate flame retardant (OPFR) pollutants and biochars are commonly present and continually released into soils due to their increasingly wide applications. In this study, for the first time, the sorption of OPFRs on biochars was investigated. Although triphenyl phosphate (TPhP) and triphenylphosphine oxide (TPPO) have similar molecular structures and sizes, TPhP exhibited much faster and higher sorption than TPPO due to its stronger hydrophobicity, suggesting the dominant role of hydrophobic interactions in TPhP sorption. The π-π electron donor–acceptor (EDA) interactions also contributed to the sorption process, as suggested by the negative correlation between the sorption capacity of the aromatic OPFRs and the aromatic index (H/C atomic ratios) of biochar. Density functional theory calculations further showed that one benzene ring of aromatic OPFRs has no electrons, which may interact with biochar via π-π EDA interactions. The electrostatic attraction between the protonated P = O in OPFRs and the negatively charged biochar was found to occur at pH below 7. This work provides insights into the sorption behaviors and mechanisms of aromatic OPFRs by biochars.

关键词: Organophosphate flame retardants     Hydrochar     Pyrochar     Adsorption     Emerging contaminants     Biochar    

Sustainable wood-based nanotechnologies for photocatalytic degradation of organic contaminants in aquatic

《环境科学与工程前沿(英文)》 2021年 第15卷 第4期 doi: 10.1007/s11783-020-1346-6

摘要:

•Wood and its reassemblies are ideal substrates to develop novel photocatalysts.

关键词: Wood     Nanocatalysts     Photodegradation     Organic contaminants     Composites    

Assessing human bioaccessibility of trace contaminants in size-fractionated red mud, derived precipitates

Chunfeng Wang, Yanchen Zhu, Dan Yao, Guanfei Chen, Lianjun Wang

《环境科学与工程前沿(英文)》 2017年 第11卷 第6期 doi: 10.1007/s11783-017-0956-0

摘要: The objective of this study was to provide insight into human exposure to trace contaminants bearing red mud, derived precipitates and geopolymeric blocks due to inhalation contact and/or hand-to-mouth ingestion. The in vitro bioaccessibility behavior of trace contaminants was investigated with the PBET (physiologically based extraction test), ALF (artificial lysosomal fluid) and MGS (modified Gamble’ solution) methods. The results showed that total contents of trace contaminants and operation parameters, such as pH and chelating properties of simulated gastrointestinal phases (PBET), played a joint role in controlling the bioaccessibility efficacy for size-fractionated red mud particles. As for airborne particles (<38 µm size fractions), trace contaminants concentrations extracted by MGS was significantly higher than those by ALF. Additionally, higher bioaccessibility (PBET) values of Cu, Pb, Zn, As, V and U were obtained from red mud derived precipitates compared with those of red mud itself. Even though short-term and long-term leaching values of trace contaminants were relatively lower in the prepared geopolymeric blocks, the health risk could be significantly higher due to the more pronounced bioaccessibility characteristics.

关键词: Bioaccessibility     Trace contaminants     Red mud     Precipitates     Geopolymeric blocks.    

Responses to emerging and re-emerging infectious diseases: One world, One health

null

《医学前沿(英文)》 2018年 第12卷 第1期   页码 1-2 doi: 10.1007/s11684-018-0619-y

长三角地区饮用水安全保障策略研究

楚文海,杨旭,肖融,金伟

《中国工程科学》 2022年 第24卷 第5期   页码 19-25 doi: 10.15302/J-SSCAE-2022.05.003

摘要:

饮用水安全关系国计民生,我国政府一直高度重视饮用水安全保障工作。改革开放以来,在经济发展活跃、人口高度密集的长三角地区,水体环境污染给饮用水安全保障带来了巨大挑战;经过十余年的发展,长三角饮用水安全保障水平整体显著提升,有力促进了区域协调可持续发展,然而人民群众对水质安全和健康的要求也在逐渐提高,长三角超大城市群饮用水安全保障工作依然面临诸多挑战。由此,本文以长三角典型水源水质特征为切入点,总结了城市饮用水安全保障工作实施成效,从管理和技术两个维度,以及水源、水厂、管网(二次供水)三个方面剖析了饮用水水质进一步提升的现状问题,提出了健全生态补偿机制、协同修订水质标准、发展绿色高效净化技术、创新供水管理模式等措施建议,以期为长三角超大城市群和其他重点区域的饮用水安全保障和区域一体化发展提供参考与借鉴。

关键词: 饮用水;长三角;安全保障;微量污染物;新污染物;绿色发展;智慧供水    

标题 作者 时间 类型 操作

Bridging science, technology and policy in emerging contaminants control

期刊论文

Construction of MOFs-based nanocomposite membranes for emerging organic contaminants abatement in water

期刊论文

Integrated risk assessment framework for transformation products of emerging contaminants: what we know

期刊论文

Fate and risk assessment of emerging contaminants in reclaimed water production processes

期刊论文

Effectiveness of tertiary treatment processes in removing different classes of emerging contaminants

期刊论文

Emerging contaminant control: From science to action

期刊论文

Understanding and addressing the environmental risk of microplastics

期刊论文

Corrigendum to “Emerging Organic Contaminants in Chinese Surface Water: Identification of Priority Pollutants

Mengmeng Zhong,Tielong Wang,Wenxing Zhao,Jun Huang,Bin Wang,Lee Blaney,Qingwei Bu,Gang Yu,

期刊论文

中国地表水中优先控制新兴有机污染物的筛选

仲蒙蒙, 王铁龙, 赵文星, 黄俊, 王斌, Lee Blaney, 卜庆伟, 余刚

期刊论文

Insight of chemical environmental risk and its management from the vinyl chloride accident

期刊论文

Sorption of aromatic organophosphate flame retardants on thermally and hydrothermally produced biochars

Ziwen Du, Chuyi Huang, Jiaqi Meng, Yaru Yuan, Ze Yin, Li Feng, Yongze Liu, Liqiu Zhang

期刊论文

Sustainable wood-based nanotechnologies for photocatalytic degradation of organic contaminants in aquatic

期刊论文

Assessing human bioaccessibility of trace contaminants in size-fractionated red mud, derived precipitates

Chunfeng Wang, Yanchen Zhu, Dan Yao, Guanfei Chen, Lianjun Wang

期刊论文

Responses to emerging and re-emerging infectious diseases: One world, One health

null

期刊论文

长三角地区饮用水安全保障策略研究

楚文海,杨旭,肖融,金伟

期刊论文