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Application of

Weifang SHI, Weihua ZENG

《环境科学与工程前沿(英文)》 2014年 第8卷 第1期   页码 117-127 doi: 10.1007/s11783-013-0581-5

摘要: The homogeneous risk characteristics within a sub-area and the heterogeneous from one sub-area to another are unclear using existing environmental risk zoning methods. This study presents a new zoning method by determining and categorizing the risk characteristics using the -means clustering data mining technology. The study constructs indices and develops index quantification models for environmental risk zoning by analyzing the mechanism of environmental risk occurrence. We calculate the source risk index, air risk field index, water risk field index, and target vulnerability of the study area with Nanjing Chemical Industrial Park using a 100 m × 100 m mesh grid as the basic zoning unit, and then use -means clustering to analyze the environmental risk in the area. We obtain the optimal clustering number with the largest average silhouette coefficient by calculating the average silhouette coefficients of clustering at different -values. The clustering result with the optimal clustering number is then used for the environmental risk zoning, and the zoning result is mapped using the geographic information system. The study area is divided into five sub-areas. The common environmental risk characteristics within the same sub-area, as well as the differences between sub-areas, are presented. The zoning is helpful in risk management and is convenient for decision makers to distribute limited resources to different sub-areas in the design of risk reducing intervention.

关键词: environmental risk zoning     k-means clustering     silhouette coefficient     chemical industrial park     risk management    

Drivers and barriers to engage enterprises in environmental management initiatives in Suzhou IndustrialPark, China

Bing ZHANG, Jun BI, Beibei LIU

《环境科学与工程前沿(英文)》 2009年 第3卷 第2期   页码 210-220 doi: 10.1007/s11783-009-0014-7

摘要: Small- and medium-sized enterprises (SMEs) play an important role in sustainable development not only for their significant contribution to China’s economy, but also for their big share of total discharged pollutants. Therefore, this research takes the enterprises in Suzhou Industrial Park, China as the case study to investigate the environmental management practices of SMEs, and identify drivers and barriers to engaging businesses in environmental management initiatives. It is shown that, as in other countries, SMEs are less active in adopting environmental management initiatives than larger companies. Legislation remains the key driver to engage SMEs in environmental management initiatives. Based on the analysis, policy recommendations are also presented.

关键词: small- and medium-sized enterprises (SMEs)     environmental management initiative     Suzhou industrial park    

Multimedia distribution and health risk assessment of typical organic pollutants in a retired industrialpark

《环境科学与工程前沿(英文)》 2023年 第17卷 第11期 doi: 10.1007/s11783-023-1742-9

摘要:

● A fine portrayal of organic pollutants in a retired industrial park is provided.

关键词: Organic pollutants     Retired industrial park     Spatial correlation     Health risk assessment    

煤化工产业园区“三位一体”发展战略的探讨

汪应洛

《中国工程科学》 2008年 第10卷 第12期   页码 39-44

摘要:

探讨了“煤炭开采—煤化工—煤化工装备制造”三位一体的发展战略,论述了其实施的发展战略,促进社会经济发展的战略意义,可行性和重大国民经济效益。提出了一种煤化工产业园循环经济模式,并提出了三位一体战略的实施步骤和实施循环经济产业园区的运营和管理模式。

关键词: 煤炭开采     煤化工     煤化工装备制造    

Large-scale industrial manufacturing of carbon nanotubes in a continuous inclined mobile-bed rotatingreactor via the catalytic chemical vapor deposition process

Sophie L. Pirard, Sigrid Douven, Jean-Paul Pirard

《化学科学与工程前沿(英文)》 2017年 第11卷 第2期   页码 280-289 doi: 10.1007/s11705-017-1635-1

摘要: This article reports the different steps of the design, development and validation of a process for continuous production of carbon nanotubes (CNTs) via catalytic chemical vapor deposition from the laboratory scale to the industrial production. This process is based on a continuous inclined mobile-bed rotating reactor and very active catalysts using methane or ethylene as carbon source. The importance of modeling taking into account the hydrodynamic, physicochemical and physical phenomena that occur during CNT production in the process analysis is emphasized. The impact of this invention on the environment and human health is taken into consideration too.

关键词: carbon nanotubes     catalytic chemical vapor deposition     inclined rotating reactor     industrial process     scaling-up    

Chemical identification and genotoxicity analysis of petrochemical industrial wastewater

Jing ZHANG, Shigong WANG, Can WANG, Hongying HU

《环境科学与工程前沿(英文)》 2012年 第6卷 第3期   页码 350-359 doi: 10.1007/s11783-012-0404-0

摘要: The actual harmful effects of industrial wastewater can not be reflected by the conventional water quality index. Therefore, the change in dissolved organic matter and the genetic toxicity of petrochemical wastewater were observed in the current study by examining the wastewater treatment plant of a large petrochemical enterprise in Northwest China. Using XAD-8, MSC, and DA-7 resins, the wastewater was separated into six fractions, namely, hydrophobic acid (HOA), hydrophobic neutral (HOB), hydrophobic alkaline, hydrophilic acid, hydrophilic alkaline, and hydrophilic neutral. Umu-test was used to detect the genetic toxicity of the wastewater samples, and fluorescence spectra were also obtained to examine genetic toxic substances. The results show that wastewater treatment facilities can effectively reduce the concentration of organic matter in petrochemical wastewater ( <0.05). However, the mixing of aniline wastewater can increase the amount of organic carbon ( <0.05) and can overload facilities. This finding shows that the mixed collection and joint treatment of different types of petrochemical wastewater can affect the water quality of the effluent. Particularly, hydrophobic substances can be difficult to remove and account for a relatively large proportion of the effluent. The mixture of aniline wastewater can increase the genetic toxicity of the effluent ( <0.05), and biologic treatment can not effectively decrease the toxicity. Most of the genetic toxicology may exist in the HOA and HOB fractions. Fluorescence spectroscopy also confirms this result, and tryptophan-like substances may play an important role in genetic toxicity.

关键词: dissolved organic matter     resin fraction     genetic toxicity     fluorescence excitation and emission matrix    

Recent advances on metal-free graphene-based catalysts for the production of industrial chemicals

Zhiyong Wang, Yuan Pu, Dan Wang, Jie-Xin Wang, Jian-Feng Chen

《化学科学与工程前沿(英文)》 2018年 第12卷 第4期   页码 855-866 doi: 10.1007/s11705-018-1722-y

摘要: With the development of carbon catalysts, graphene-based metal-free catalysts have drawn increasing attention in both scientific research and in industrial chemical production processes. In recent years, the catalytic activities of metal-free catalysts have significantly improved and they have become promising alternatives to traditional metal-based catalysts. The use of metal-free catalysts greatly improves the sustainability of chemical processes. In view of this, the recent progress in the preparation of graphene-based metal-free catalysts along with their applications in catalytic oxidation, reduction and coupling reactions are summarized in this review. The future trends and challenges for the design of graphene-based materials for industrial organic catalytic reactions with good stabilities and high catalytic performance are also discussed.

关键词: graphene-based materials     metal-free catalyst     industrial chemical productions     catalytic reaction    

Green process to recover magnesium chloride from residue solution of potassium chloride production plant

WANG Lin, HE Yunliang, WANG Yanfei, BAO Ying, WANG Jingkang

《化学科学与工程前沿(英文)》 2008年 第2卷 第4期   页码 385-389 doi: 10.1007/s11705-008-0079-z

摘要: The green process to recover magnesium chloride from the residue solution of a potassium chloride production plant, which comes from the leach solution of a potash mine in Laos, is designed and optimized. The residue solution contains magnesium chloride above 25 wt-%, potassium chloride and sodium chloride together below 5 wt-% and a few other ions such as Br, SO and Ca. The recovery process contains two steps: the previous impurity removal operation and the two-stage evaporation-cooling crystallization procedure to produce magnesium chloride. The crystallized impurity carnallite obtained from the first step is recycled to the potassium chloride plant to recover the potassium salt. The developed process is a zero discharge one and thus fulfills the requirements for green chemical industrial production. The produced magnesium chloride is up to industrial criteria.

关键词: industrial production     chemical industrial     produced magnesium     chloride production     impurity carnallite    

Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

《结构与土木工程前沿(英文)》 2022年 第16卷 第9期   页码 1071-1088 doi: 10.1007/s11709-022-0879-0

摘要: For open car park structures, adopting a performance-based structural fire design is often justified and allowed because the fire does not reach flashover. However, this design approach requires an accurate assessment of temperatures in structural members exposed to car fires. This paper describes a numerical study on the thermal exposure on steel framing members in open car park fires. Steel temperatures are computed by the coupling of computational fluid dynamics and finite element modeling, and by analytical models from the Eurocodes. In addition, the influence of galvanization on the steel temperature evolution is assessed. Results show that temperatures in unprotected beams and columns are influenced by the section geometry, car fire scenario, modeling approach, and use of galvanization. Galvanization slightly delays and reduces peak temperature. Regarding the different models, CFD-FEM (CFD: computational fluid dynamics, FEM: finite-element method) coupled models predict lower temperatures than the Hasemi model, because the latter conservatively assumes that the fire flame continuously touches the ceiling. Further, the Hasemi model cannot account for the effect of reduced emissivity from galvanization on the absorbed heat flux. Detailed temperature distributions obtained in the steel members can be used to complete efficient structural fire designs based on the member sections, structure layout, and use of galvanization.

关键词: open car park     localized fire     steel frame     numerical modeling     computational fluid dynamics    

化学工业绿色制造产业链接技术和发展方向探析

李瑾,胡山鹰,陈定江,宋晓旭,张群,樊炯明,李光耀,马淑杰,金涌

《中国工程科学》 2017年 第19卷 第3期   页码 72-79 doi: 10.15302/J-SSCAE-2017.03.011

摘要:

“十三五”以来,我国化学工业的绿色发展取得了显著进步,在产品产量提高的同时,资源消耗、能源消耗、污染排放均实现了大幅减少。绿色制造是当前我国实现可持续发展的必要途径。要实现化学工业的绿色发展,除了要关注化工行业自身的绿色制造,还要关注化工产业与其他行业、与社会进行产业链接时的绿色协调发展。本文在对我国化学工业绿色发展现状进行分析的基础上,给出我国化工行业绿色发展的方向,提出化学工业绿色制造产业链接的关键技术,并通过五个企业案例进行典型模式分析。

关键词: 绿色制造     产业链接技术     战略     化学工业    

Development of a cloud condensation nuclei (CCN) counter using a laser and charge-coupled device (CCD) camera

Mikyung PARK, Jinkwan OH, Kihong PARK

《环境科学与工程前沿(英文)》 2011年 第5卷 第3期   页码 313-319 doi: 10.1007/s11783-011-0346-y

摘要: A continuous flow streamwise thermal gradient cloud condensation nuclei (CCN) counter with an aerosol focusing and a laser-charge-coupled device (CCD) camera detector system was developed here. The counting performance of the laser-CCD camera detector system was evaluated by comparing its measured number concentrations with those measured with a condensation particle counter (CPC) using polystyrene latex (PSL) and NaCl particles of varying sizes. The CCD camera parameters (e.g. brightness, gain, gamma, and exposure time) were optimized to detect moving particles in the sensing volume and to provide the best image to count them. The CCN counter worked well in the particle number concentration range of 0.6–8000 #·cm and the minimum detectable size was found to be 0.5 μm. The supersaturation in the CCN counter with varying temperature difference was determined by using size-selected sodium chloride particles based on K?hler equation. The developed CCN counter was applied to investigate CCN activity of atmospheric ultrafine particles at 0.5% supersaturation. Data showed that CCN activity increased with increasing particle size and that the higher CCN activation for ultrafine particles occurred in the afternoon, suggesting the significant existence of hygroscopic or soluble species in photochemically-produced ultrafine particles.

关键词: aerosol     cloud condensation nuclei (CCN) counter     ultrafine particle    

基于5G车用无线通信技术网络的工业园区多层协同框架 Article

史彦军, 韩俏梅, 沈卫明, 王现斌

《工程(英文)》 2021年 第7卷 第6期   页码 818-831 doi: 10.1016/j.eng.2020.12.021

摘要:

第五代(5G)无线通信网络有望在垂直产业转型中发挥重要的作用。在众多激动人心的5G应用中,通过车用无线通信技术(V2X)通信可更高效地执行工业园区内的物流任务。本文提出了一种基于V2X的工业园区物流管理多层协同框架。该框架包括三层:感知与执行层、物流层以及配置层。除以上三层之间的协同外,本研究还讨论了设备、边缘服务器以及云服务之间的协同。针对工业园区内的高效物流,可通过四项功能来实现任务协同,这四项功能分别是:环境感知与地图构建、任务分配、路径规划,以及车辆运动。为动态协调这些功能,将采用5G切片和V2X通信技术支持的设备边云协同。随后,利用目标级联分析法对工业园区协同方案进行配置和评估。最后,通过一工业园区物流分析案例,验证了所提出协同框架的可行性。

关键词: 5G     车用无线通信技术     工业园区     物流     设备边云协同     目标级联分析    

Characterization of hidden rules linking symptoms and selection of acupoint using an artificial neural network model

Won-Mo Jung, In-Soo Park, Ye-Seul Lee, Chang-Eop Kim, Hyangsook Lee, Dae-Hyun Hahm, Hi-Joon Park, Bo-Hyoung

《医学前沿(英文)》 2019年 第13卷 第1期   页码 112-120 doi: 10.1007/s11684-017-0582-z

摘要: Comprehension of the medical diagnoses of doctors and treatment of diseases is important to understand the underlying principle in selecting appropriate acupoints. The pattern recognition process that pertains to symptoms and diseases and informs acupuncture treatment in a clinical setting was explored. A total of 232 clinical records were collected using a Charting Language program. The relationship between symptom information and selected acupoints was trained using an artificial neural network (ANN). A total of 11 hidden nodes with the highest average precision score were selected through a tenfold cross-validation. Our ANN model could predict the selected acupoints based on symptom and disease information with an average precision score of 0.865 (precision, 0.911; recall, 0.811). This model is a useful tool for diagnostic classification or pattern recognition and for the prediction and modeling of acupuncture treatment based on clinical data obtained in a real-world setting. The relationship between symptoms and selected acupoints could be systematically characterized through knowledge discovery processes, such as pattern identification.

关键词: acupuncture     indication     neural network     pattern identification     prediction    

Characteristics of pollutants behavior in a stormwater constructed wetland during dry days

Jianghua YU, Kisoo PARK, Youngchul KIM

《环境科学与工程前沿(英文)》 2012年 第6卷 第5期   页码 649-657 doi: 10.1007/s11783-012-0426-7

摘要: A stormwater wetland treating non-point source pollution (NPS) from a 64 ha agricultural watershed was monitored over a period of five months. The results indicated that pH and dissolved oxygen (DO) were increased in the wetland due to the algal growth. The highest total suspended solids (TSS) concentration was observed in the aeration pond due to the resuspension of solids, decreased in the wetland. The respective decreases in total nitrogen (TN) and total kjeldahl nitrogen (TKN) were 15.9% and 28.7% on passing through the wetland. The nitrate and ammonia were increased by 45.4% and decreased by 79.9%, respectively. These variations provided strong evidence for the existence of nitrification. The total phosphorus (TP) and phosphate had respective reductions of 52.3% and 58.2% over the wetland. The total chemical oxygen demand (TCOD) and soluble chemical oxygen demand (SCOD) were also decreased. Generally, the TN, TP and phosphate removal efficiencies were positive. These positive removal efficiencies were mainly due to microbial activities, uptake by plants, and chemical precipitation at high pH. Negative removal efficiencies can be caused by continuous rainfall activities, with short antecedent dry days (ADDs) and unstable hydraulic conditions, some other biogeochemical transformations and algal growth also being important parameters.

关键词: constructed stormwater wetland     dry days     nitrification and denitrification     pollutants characteristic    

美国国家公园与门户城镇的建设经验与启示

刘辉亮

《中国工程科学》 2016年 第18卷 第5期   页码 100-108 doi: 10.15302/J-SSCAE-2016.05.014

摘要: 笔者以落基山国家公园和它的主要门户城镇——埃斯蒂斯公园小镇 (the Town of Estes Park) 作为案例,探讨其成功的经验与存在的具体问题,并就有关中国国家公园系统的设立

关键词: 美国国家公园管理局     门户城镇     落基山国家公园     埃斯蒂斯公园小镇    

标题 作者 时间 类型 操作

Application of

Weifang SHI, Weihua ZENG

期刊论文

Drivers and barriers to engage enterprises in environmental management initiatives in Suzhou IndustrialPark, China

Bing ZHANG, Jun BI, Beibei LIU

期刊论文

Multimedia distribution and health risk assessment of typical organic pollutants in a retired industrialpark

期刊论文

煤化工产业园区“三位一体”发展战略的探讨

汪应洛

期刊论文

Large-scale industrial manufacturing of carbon nanotubes in a continuous inclined mobile-bed rotatingreactor via the catalytic chemical vapor deposition process

Sophie L. Pirard, Sigrid Douven, Jean-Paul Pirard

期刊论文

Chemical identification and genotoxicity analysis of petrochemical industrial wastewater

Jing ZHANG, Shigong WANG, Can WANG, Hongying HU

期刊论文

Recent advances on metal-free graphene-based catalysts for the production of industrial chemicals

Zhiyong Wang, Yuan Pu, Dan Wang, Jie-Xin Wang, Jian-Feng Chen

期刊论文

Green process to recover magnesium chloride from residue solution of potassium chloride production plant

WANG Lin, HE Yunliang, WANG Yanfei, BAO Ying, WANG Jingkang

期刊论文

Thermal response of steel framing members in open car park fires

Xia YAN; Marion CHARLIER; Thomas GERNAY

期刊论文

化学工业绿色制造产业链接技术和发展方向探析

李瑾,胡山鹰,陈定江,宋晓旭,张群,樊炯明,李光耀,马淑杰,金涌

期刊论文

Development of a cloud condensation nuclei (CCN) counter using a laser and charge-coupled device (CCD) camera

Mikyung PARK, Jinkwan OH, Kihong PARK

期刊论文

基于5G车用无线通信技术网络的工业园区多层协同框架

史彦军, 韩俏梅, 沈卫明, 王现斌

期刊论文

Characterization of hidden rules linking symptoms and selection of acupoint using an artificial neural network model

Won-Mo Jung, In-Soo Park, Ye-Seul Lee, Chang-Eop Kim, Hyangsook Lee, Dae-Hyun Hahm, Hi-Joon Park, Bo-Hyoung

期刊论文

Characteristics of pollutants behavior in a stormwater constructed wetland during dry days

Jianghua YU, Kisoo PARK, Youngchul KIM

期刊论文

美国国家公园与门户城镇的建设经验与启示

刘辉亮

期刊论文