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厌氧消化 2

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Enhancing the adsorption function of biochar by mechanochemical graphitization for organic pollutant

《环境科学与工程前沿(英文)》 2021年 第15卷 第6期 doi: 10.1007/s11783-021-1418-2

摘要:

• Mechanochemical treatment reduced the calcination temperature for biochar synthesis.

关键词: Biochar     Mechanochemical treatment     Graphitization     Calcination temperature     Organic pollutant    

Highly effective visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation

《环境科学与工程前沿(英文)》 2022年 第16卷 第10期 doi: 10.1007/s11783-022-1566-z

摘要:

● An urchin-like OMS/ZIS composite was fabricated by a facile solvothermal method.

关键词: Dual-functional photocatalysts     Oxygen-doped MoS2/ZnIn2S4     H2 evolution     Organic pollutant    

Immobilization of laccase on organic–inorganic nanocomposites and its application in the removal of phenolic

《化学科学与工程前沿(英文)》 2023年 第17卷 第7期   页码 867-879 doi: 10.1007/s11705-022-2277-5

摘要: Polydopamine-functionalized nanosilica was synthesized using an inexpensive and easily obtainable raw material, mild reaction conditions, and simple operation. Subsequently, a flexible spacer arm was introduced by using dialdehyde starch as a cross-linking agent to bind with laccase. A high loading amount (77.8 mg∙g‒1) and activity retention (75.5%) could be achieved under the optimum immobilization conditions. Thermodynamic parameters showed that the immobilized laccase had a lower thermal deactivation rate constant and longer half-life. The enhancement of thermodynamic parameters indicated that the immobilized laccase had better thermal stability than free laccase. The residual activity of immobilized laccase remained at about 50.0% after 30 days, which was 4.0 times that of free laccase. Immobilized laccase demonstrated excellent removal of phenolic pollutants (2,4-dichlorophenol, bisphenol A, phenol, and 4-chlorophenol) and perfect reusability with 70% removal efficiency retention for 2,4-dichlorophenol after seven cycles. These results suggested that immobilized laccase possessed great reusability, improved thermal stability, and excellent storage stability. Organic–inorganic nanomaterials have a good application prospect for laccase immobilization, and the immobilized laccase of this work may provide a practical application for the removal of phenolic pollutants.

关键词: polydopamine     pollutant removal     thermodynamic     phenolic pollutants     immobilized laccase    

Addressing the environmental risk of persistent organic pollutants in China

Bin WANG, Jun HUANG, Shubo DENG, Xiaoling YANG, Gang YU

《环境科学与工程前沿(英文)》 2012年 第6卷 第1期   页码 2-16 doi: 10.1007/s11783-011-0370-y

摘要: The Stockholm Convention on persistent organic pollutants (POPs) was adopted in 2001. This year is the 10th anniversary of the adoption of the Convention. Until now, 22 chemicals or chemical categories have been listed as POPs in the Stockholm Convention. The POPs Research Center was established in Tsinghua University in the same year when the Convention was adopted. In the last ten years, much work has been done by Chinese researchers to understand the environmental risk of POPs in China. This article aims to review the recent research progress of our POPs Research Center and some other Chinese researchers’ studies in addressing the environmental risk of POPs, including the priority screening and inventory study of POPs, monitoring and modeling of POPs pollution and exposure, and environmental risk assessment and modeling of POPs. Although great advances in addressing the environmental risk of POPs have been made in recent years, we are still facing quite a few problems, such as data scarcity and uncertainty in environmental risk assessment of POPs. The study on the effect of POPs mixtures is in its infancy and currently POPs are usually assessed from legal perspective by risk assessment of single chemicals. These problems should be well addressed by further efforts. Further studies should also be taken in future to study environment risk of POPs by considering aspects of coupled dynamics between climate processes and POPs. Such sound scientific, risk-based information can support decision-making aiming to effectively minimize the risk level of POPs.

关键词: persistent organic pollutant (POPs)     environmental risk assessment     inventory     environmental monitoring     fugacity model     emerging POPs    

Utilizing transparent and conductive SnO

Jing Gu, Hongtao Yu, Xie Quan, Shuo Chen, Junfeng Niu

《环境科学与工程前沿(英文)》 2020年 第14卷 第4期 doi: 10.1007/s11783-020-1251-z

摘要: Abstract • A novel Z-scheme Si-SnO2-TiOx with SnO2 as electron mediator is first constructed. • Transparent and conductive SnO2 can pass light through and promote charge transport. • VO from SnO2 and TiOx improve photoelectrochemical performances. • Efficient photocatalytic degradations originate from the Z scheme construction. Z-scheme photocatalysts, with strong redox ability, have a great potential for pollutants degradation. However, it is challenging to construct efficient Z-scheme photocatalysts because of their poor interfacial charge separation. Herein, by employing transparent and conductive SnO2 as electron mediator to pass light through and promote interfacial charge transportation, a novel Z-scheme photocatalyst Si-SnO2-TiOx (1

关键词: Z-scheme photocatalyst     Tin oxide     Electron mediator     Organic pollutant    

E-waste environmental contamination and harm to public health in China

null

《医学前沿(英文)》 2015年 第9卷 第2期   页码 220-228 doi: 10.1007/s11684-015-0391-1

摘要:

The adverse effects of electronic waste (e-waste) on the human body have stirred up concern in recent years. China is one of the countries that confront serious pollution and human exposure of e-waste, and the majority of the population is exposed to potentially hazardous substances that are derived from informal e-waste recycling processes. This study reviews recent reports on human exposure to e-waste in China, with particular focus on exposure routes (e.g., inhalation and ingestion) and several toxicities of human (e.g., endocrine system, respiratory system, reproductive system, developmental toxicity, neurotoxicity, and genetic toxicity). Pieces of evidence that associate e-waste exposure with human health effects in China are assessed. The role of toxic heavy metals (e.g., lead, cadmium, chromium, mercury, and nickel) and organic pollutants (e.g., polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyl (PCBs), polycyclic aromatic hydrocarbons (PAHs), polybrominated biphenyls (PBBs), polyhalogenated aromatic hydrocarbons (PHAHs), bisphenol A (BPA)) on human health is also briefly discussed.

关键词: e-waste     heavy metal     organic pollutant     hazardous     toxicity     human health     China    

A new prediction method of industrial atmospheric pollutant emission intensity based on pollutant emission

《环境科学与工程前沿(英文)》 2023年 第17卷 第1期 doi: 10.1007/s11783-023-1608-1

摘要:

● Established a quantification method of pollutant emission standard.

关键词: Industrial atmospheric pollutants     Pollutant emission standards     Quantitative method     Machine learning     Single enterprise    

Air pollutant control and strategy in coal-fired power industry for promotion of China’s emission reduction

Weiliang WANG, Bo LI, Xuan YAO, Junfu LYU, Weidou NI

《能源前沿(英文)》 2019年 第13卷 第2期   页码 307-316 doi: 10.1007/s11708-019-0620-4

摘要: Coal-fired power industry has always been the major power source in China. As coal-fired power industry consumes around a half of China’s coal production, it is always thought to be a big air pollutant emission source. As more and more strict legislations in coal-fired power industry have been issued by the government, the emission performance in coal-fired power industry has been drastically reduced recently. Based on a brief review of the development of emission control in China’s coal-fired power industry, the affecting mechanism among the development of installed capacities of emission control device, pollutant emission, and emission performances in coal-fired power industry is studied. According to a systematic study on the development of emissions of classified categories, the role of coal-fired power industry as a pollutant source is reevaluated. It is found that, coal-fired power industry has contributed the most to China’s emission reduction, and the barycenter of air pollutant emission has been transformed to other high energy consumption industries, like heat, iron/steel, and cement. Then some development strategies are suggested, such as maintaining the current emission standard in coal-fired power industry; expending the coal-fired power emission standards to categories of heat generation and supply, nonmetallic mineral production and ferrous metals smelting and processing; and controlling other heavy metal by consulting the method of Hg control.

关键词: coal-fired power industry     energy intensive industries     pollutant emission control     NOx     SO2     soot    

An approach to calculating allowable watershed pollutant loads

Yu GUO, Haifeng JIA

《环境科学与工程前沿(英文)》 2012年 第6卷 第5期   页码 658-671 doi: 10.1007/s11783-012-0446-3

摘要: To improve the management of discharge pollutants loads in the reservoirs’ watershed, an approach of the allowable pollutants loads calculation and its allocation, based on the water environment model, was proposed. Establishment of the approach framework was described at first. Under the guidance of this framework, two major steps were as follows: modeling and scenario analysis were involved and should be applied to support the decision of discharge loads management; Environmental Fluid Dynamic Code (EFDC) model was selected as the kernel model in this framework. In modeling step, spatial discretization for establishing cell map in model, data preprocessing, parameter calibration and uncertainty analysis (which is considered as the significantly relevant factor of the margin of safety (MOS)), were conducted. As a result of the research, the model-based approach presented as a combination of estimation and precise calculation, which contributed to scenario analysis step. Some integrated modules, such as scenario simulation, result analysis and plan optimization were implemented as cycles in the scenario analysis. Finally, allowable pollutant loads under various conditions were calculated. The Chaihe Reservoir in Liaoning Province, China was used as a case study for an application of the approach described above. Results of the Chaihe reservoir water quality simulation, show good agreement with field data and demonstrated that the approach used in the present study provide an efficient and appropriate methodology for pollutant load allocation.

关键词: Source water protection     watershed management     pollutants load allocation     Environmental Fluid Dynamic Code (EFDC) modeling     margin of safety     statistical analysis    

Achieving air pollutant emission reduction targets with minimum abatement costs: An enterprise-level

《环境科学与工程前沿(英文)》 2022年 第16卷 第2期 doi: 10.1007/s11783-021-1459-6

摘要:

• Quantification of efficiency and fairness of abatement allocation are optimized.

关键词: Pollutant emission reduction allocation     Emission reduction measures     Total abatement cost     Economic efficiency     Abatement space    

Technologies for pollutant removal and resource recovery from blackwater: a review

《环境科学与工程前沿(英文)》 2023年 第17卷 第7期 doi: 10.1007/s11783-023-1683-3

摘要:

● Blackwater is the main source of organics and nutrients in domestic wastewater.

关键词: Blackwater     Water-flushing toilet     Sanitation     Nutrient recovery     Water reuse     Sustainable development    

Field test of best management practice pollutant removal efficiencies in Shenzhen, China

Ru ZHANG , Wenbin ZHOU , Richard FIELD , Anthony TAFURI , Shaw L. YU , Keli JIN ,

《环境科学与工程前沿(英文)》 2009年 第3卷 第3期   页码 354-363 doi: 10.1007/s11783-009-0033-4

摘要: Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li. [J]. Front. Environ. Sci. Eng., 2016, 10(6): 6-.Meng Gao,Gregory R. Carmichael,Yuesi Wang,Dongsheng Ji,Zirui Liu,Zifa Wang. [J]. Front. Environ. Sci. Eng., 2016, 10(5): 16-.Wenyan Wang, Wei Ouyang, Fanghua Hao, Yun Luan, Bo Hu. [J]. Front. Environ. Sci. Eng., 2016, 10(4): 17-.Hallvard Ødegaard. [J]. Front. Environ. Sci. Eng., 2016, 10(4): 2-.Guoxia MA,Jinnan WANG,Fang YU,Yanshen ZHANG,Dong CAO. [J]. Front. Environ. Sci. Eng., 2016, 10(2): 288-298.Fei LI,Suocheng DONG,Fujia LI,Libiao YANG. [J]. Front. Environ. Sci. Eng., 2016, 10(2): 276-287.Chao ZENG,Dongjie NIU,Youcai ZHAO. [J]. Front. Environ. Sci. Eng., 2015, 9(6): 949-961.Yang PAN,Xiangru ZHANG,Jianping ZHAI. [J]. Front. Environ. Sci. Eng., 2015, 9(1): 121-130.Kang XIAO, Ying XU, Shuai LIANG, Ting LEI, Jianyu SUN, Xianghua WEN, Hongxun ZHANG, Chunsheng CHEN, Xia HUANG. [J]. Front. Environ. Sci. Eng., 2014, 8(6): 805-819.Shuxiao WANG,Lei ZHANG,Long WANG,Qingru WU,Fengyang WANG,Jiming HAO. [J]. Front.Environ.Sci.Eng., 2014, 8(5): 631-649.Wenqian CAI,Wei MENG,Lusan LIU,Kuixuan LIN. [J]. Front.Environ.Sci.Eng., 2014, 8(5): 737-746.Lili QU,Tianzhu ZHANG,Wei LU. [J]. Front.Environ.Sci.Eng., 2014, 8(4): 570-579.Jiaxing GUO, Huan LIU, Yang JIANG, Dongquan HE, Qidong WANG, Fei MENG, Kebin HE. [J]. Front Envir Sci Eng, 2014, 8(1): 79-88.Wei WEI, Shuxiao WANG, Jiming HAO, Shuiyuan CHENG. [J]. Front Envir Sci Eng, 2014, 8(1): 27-41.Haifeng JIA, Hairong YAO, Shaw L. YU. [J]. Front Envir Sci Eng, 2013, 7(5): 709-720.

关键词: nonpoint source (NPS) pollution control     best management practices (BMPs)     Xikeng Reservoir     Shenzhen     China     BMP treatment train    

A comprehensive simulation approach for pollutant bio-transformation in the gravity sewer

Nan Zhao, Huu Hao Ngo, Yuyou Li, Xiaochang Wang, Lei Yang, Pengkang Jin, Guangxi Sun

《环境科学与工程前沿(英文)》 2019年 第13卷 第4期 doi: 10.1007/s11783-019-1144-1

摘要:

A comprehensive pollutant transformation model for sewer systems is established.

The model comprises fermentation, sulfate reduction and ammonification processes.

Biochemical reactions related to distinct carbon sources are depicted in the model.

Pollutant transformation is attributed to different biochemical reaction processes.

关键词: Gravity sewer     Modeling     Pollutant transformation     Biochemical reaction process    

Hierarchical porous metal-organic frameworks/polymer microparticles for enhanced catalytic degradationof organic contaminants

《化学科学与工程前沿(英文)》 2022年 第16卷 第6期   页码 939-949 doi: 10.1007/s11705-022-2152-4

摘要: This work reports on a simple microfluidic strategy to controllably fabricate uniform polymeric microparticles containing hierarchical porous structures integrated with highly accessible catalytic metal organic frameworks for efficient degradation of organic contaminants. Monodisperse (W1/O)/W2 emulsion droplets generated from microfluidics are used as templates for the microparticle synthesis. The emulsion droplets contain tiny water microdroplets from homogenization and water nanodroplets from diffusion-induced swollen micelles as the dual pore-forming templates, and Fe-based metal-organic framework nanorods as the nanocatalysts. The obtained microparticles possess interconnected hierarchical porous structures decorated with highly accessible Fe-based metal-organic framework nanorods for enhanced degradation of organic contaminants via a heterogeneous Fenton-like reaction. Such a degradation performance is highlighted by using these microparticles for efficient degradation of rhodamine B in hydrogen peroxide solution. This work provides a simple and general strategy to flexibly combine hierarchical porous structures and catalytic metal-organic frameworks to engineer advanced microparticles for water decontamination.

关键词: metal-organic framework     polymer microparticle     nanocatalyst     decontamination     organic contaminant    

曲线坐标下平面二维污染物扩散输移的代数应力湍流模型

吴修广,沈永明,王敏,杨志峰

《中国工程科学》 2005年 第7卷 第7期   页码 60-64

摘要:

对浅水流动的控制方程和深度平均的污染物扩散输移的控制方程进行坐标变换,湍流的模拟采用各向异性代数应力湍流模式,建立了曲线坐标下平面二维水流计算和污染物扩散输移的代数应力湍流模型。采用具有浓度实测值的实验室连续弯道进行模型验证,对本模型计算的浓度分布与k-ε模型进行比较,结果显示了本模型在处理各向异性明显优于k-ε模型。

关键词: 污染物     扩散输移     各向异性     代数应力湍流模型     k-ε模型    

标题 作者 时间 类型 操作

Enhancing the adsorption function of biochar by mechanochemical graphitization for organic pollutant

期刊论文

Highly effective visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation

期刊论文

Immobilization of laccase on organic–inorganic nanocomposites and its application in the removal of phenolic

期刊论文

Addressing the environmental risk of persistent organic pollutants in China

Bin WANG, Jun HUANG, Shubo DENG, Xiaoling YANG, Gang YU

期刊论文

Utilizing transparent and conductive SnO

Jing Gu, Hongtao Yu, Xie Quan, Shuo Chen, Junfeng Niu

期刊论文

E-waste environmental contamination and harm to public health in China

null

期刊论文

A new prediction method of industrial atmospheric pollutant emission intensity based on pollutant emission

期刊论文

Air pollutant control and strategy in coal-fired power industry for promotion of China’s emission reduction

Weiliang WANG, Bo LI, Xuan YAO, Junfu LYU, Weidou NI

期刊论文

An approach to calculating allowable watershed pollutant loads

Yu GUO, Haifeng JIA

期刊论文

Achieving air pollutant emission reduction targets with minimum abatement costs: An enterprise-level

期刊论文

Technologies for pollutant removal and resource recovery from blackwater: a review

期刊论文

Field test of best management practice pollutant removal efficiencies in Shenzhen, China

Ru ZHANG , Wenbin ZHOU , Richard FIELD , Anthony TAFURI , Shaw L. YU , Keli JIN ,

期刊论文

A comprehensive simulation approach for pollutant bio-transformation in the gravity sewer

Nan Zhao, Huu Hao Ngo, Yuyou Li, Xiaochang Wang, Lei Yang, Pengkang Jin, Guangxi Sun

期刊论文

Hierarchical porous metal-organic frameworks/polymer microparticles for enhanced catalytic degradationof organic contaminants

期刊论文

曲线坐标下平面二维污染物扩散输移的代数应力湍流模型

吴修广,沈永明,王敏,杨志峰

期刊论文