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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    

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    

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    

我国化工园区减污降碳技术路径研究

陈吕军,田金平,吕一铮,廖恺玲俐 ,严坤 ,盛雅琪, 杨坤,曹宏斌,朱利中

《中国工程科学》 2024年 第26卷 第2期   页码 160-173 doi: 10.15302/J-SSCAE-2024.07.005

摘要:

化学工业是推动制造强国战略实施的重要支撑,化工园区是新型工业化的关键载体,开展化工园区减污降碳技术应用研究具有重要的现实意义。本文针对化工园区减污降碳面临的资源利用率低、减污和降碳协同性差、末端治污成本高、环境安全与风险突出等挑战,分析了化工园区碳和污染物产生的特点并梳理相关研究进展,剖析了减污降碳协同增效的内涵。在此基础上,建立了基于一般性工业过程的分析框架,以物质、能量代谢过程为纽带,从企业生产、基础设施、产业共生等层面演绎提出了化工园区减污降碳的技术路径:建立化工园区内企业的碳、污染物排放清单;集成优化化工园区的技术与产业结构,加强绿色低碳生产技术开发、基础设施升级共生、企业间合作、减污降碳与安全生产统筹、产品 ‒ 产业 ‒ 空间结构优化;开展全生命周期减污降碳成本效益评估。选取杭州湾上虞经济技术开发区为典型案例,总结了化工园区减污降碳技术路径的应用实践,进而提出了化工园区减污降碳实施路径建议:完善精细计量体系,加强化工园区物质流管理;强化化工园区共生链接,运用系统工程赋能减污降碳;激发系统效率变革,推动化工园区绿色高质量发展。

关键词: 化工园区;减污降碳;生命周期分析;物质流管理;排放清单;基础设施;产业共生    

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    

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    

Conservation and adaptive reuse of industrial heritage in Shanghai

ZHANG Song

《结构与土木工程前沿(英文)》 2007年 第1卷 第4期   页码 481-490 doi: 10.1007/s11709-007-0065-4

摘要: This paper takes a retrospective review of the evolution of the conservation of industrial heritage in urban Shanghai since the 1990s within the context of the international industrial heritage conservation movement, with the emph

关键词: evolution     industrial     international industrial     retrospective     Shanghai    

Conservation and adaptive-reuse of historical industrial building in China in the post-industrial era

WANG Jianguo, JIANG Nan

《结构与土木工程前沿(英文)》 2007年 第1卷 第4期   页码 474-480 doi: 10.1007/s11709-007-0064-5

摘要: The conservation and adaptive-reuse of historical industrial building is one of the most important issues to be solved in today s urban development and construction in China. In this paper, the necessity and academic meaning of the conservation and adaptive-reuse of historical industrial building were discussed by reviewing its development rend both at home and abroad, and the basic contents of the implementation of the conservation and adaptive-reuse of historical industrial building in China with specific cases provided were analyzed. It is the central task for China to put forward the restructuring and design methods, assessment principles and relevant core technical specifications based on the empirical researches on the historical industrial building and site.

关键词: historical industrial     industrial building     implementation     adaptive-reuse     empirical    

Improve the industrial digital transformation through Industrial Internet platforms

《工程管理前沿(英文)》 2024年 第11卷 第1期   页码 167-174 doi: 10.1007/s42524-023-0286-9

摘要: Improve the industrial digital transformation through Industrial Internet platforms

关键词: industrial digital transformation     Industrial Internet platform     manufacturing     big data    

Special Issue for the Future Chemical Engineering Scholars of Global Chinese Chemical Engineering Symposium

《化学科学与工程前沿(英文)》 2022年 第16卷 第6期   页码 775-776 doi: 10.1007/s11705-022-2172-0

Special issue on “Green chemical process and intensification”

《化学科学与工程前沿(英文)》 2022年 第16卷 第11期   页码 1533-1535 doi: 10.1007/s11705-022-2263-y

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    

Industrial water treatment and industrial marine outfalls: Achieving the right balance

Adrian W. K. Law,Chunyan Tang

《化学科学与工程前沿(英文)》 2016年 第10卷 第4期   页码 472-479 doi: 10.1007/s11705-016-1592-0

摘要: Industrial water treatment and industrial marine outfalls both function together to reduce the pollutant concentrations in the effluent and mitigate the potential impact on the environment. The former uses environmental treatment technology with energy and material cost considerations, while the latter utilizes the natural assimilation potential of the coastal water environment achievable at the outfall location. Because of their synergistic nature, marine outfalls are now commonly used for the disposal of partially treated domestic and industrial effluents in many coastal cities around the world, with many successful examples of low and acceptable risks to the environment. The objective of this paper is to review their balance from both environmental and economic considerations. We also discuss the end-of-the-pipe and mixing zone approaches for industrial effluents, and give some recommendations particularly for developing countries. Finally, we emphasize that a compulsory and vigorous monitoring program is essential regardless of how the balance is achieved.

关键词: industrial effluent treatment     industrial marine outfalls     economic and environmental considerations    

Can industrial intelligence promote industrial transformation? ––Case of mining enterprises

Anlin SHAO

《工程管理前沿(英文)》 2017年 第4卷 第3期   页码 375-378 doi: 10.15302/J-FEM-2017108

标题 作者 时间 类型 操作

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

Application of

Weifang SHI, Weihua ZENG

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

我国化工园区减污降碳技术路径研究

陈吕军,田金平,吕一铮,廖恺玲俐 ,严坤 ,盛雅琪, 杨坤,曹宏斌,朱利中

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

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

Conservation and adaptive reuse of industrial heritage in Shanghai

ZHANG Song

期刊论文

Conservation and adaptive-reuse of historical industrial building in China in the post-industrial era

WANG Jianguo, JIANG Nan

期刊论文

Improve the industrial digital transformation through Industrial Internet platforms

期刊论文

Special Issue for the Future Chemical Engineering Scholars of Global Chinese Chemical Engineering Symposium

期刊论文

Special issue on “Green chemical process and intensification”

期刊论文

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

期刊论文

Industrial water treatment and industrial marine outfalls: Achieving the right balance

Adrian W. K. Law,Chunyan Tang

期刊论文

Can industrial intelligence promote industrial transformation? ––Case of mining enterprises

Anlin SHAO

期刊论文