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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    

NewIndustrial Revolution and Environmental Protection

Qian Yi

《工程管理前沿(英文)》 2014年 第1卷 第1期   页码 71-75 doi: 10.15302/J-FEM-2014011

摘要: Serious environmental problems have appeared in China since the rapid economic growth 30 years ago, which affect human's health and become a limiting factor for further development. It has brought about the rethinking of traditional ways for economy development and environmental protection, and realized that the change in the model of development and environment protection is of significance. A new industrial revolution is needed for protecting the environment and promoting sustainable development. This paper discusses the characteristics of the new industrial revolution for sustainable development including cleaner production, circular economy, and industrial ecology. Lessons from China and abroad will be introduced to prove that new strategies for environment protection and economic development are needed.

关键词: industrial ecology     new industrial revolution     environmental protection     cleaner production     circular economy    

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    

基于熵的不同工业生产模式环境影响比较研究

楚海林,李军

《中国工程科学》 2005年 第7卷 第10期   页码 43-45

摘要:

从热力学出发,分析了工业生产活动污染环境的熵本质,提出了度量工业生产活动的环境影响非平衡态熵流模型,并分别对三种不同生产模式的熵增值进行计算,得到三种不同生产模式的环境影响趋势,为可持续发展的生产模式的选择提供依据。

关键词: 熵增     环境影响     生产模式     可持续发展    

海上风电开发与多能源协同供电规模化制氢(氧)产业基地建设研究

金春鹏

《中国工程科学》 2015年 第17卷 第3期   页码 56-59

摘要:

中国风能资源丰富,沿海尤其是近海海域风能资源更为丰富,为大规模、超大规模海上风电发展创造了巨大空间。大规模非并网风电的应用,更是开辟了一条中国特色风电多元化发展之路。本文分析了海上风能资源布局及沿海风电开发现状;在风电非并网理论指导下,以规模化制氢产业为例,探讨非并网风电与高载能产业间的链合路径,并构建相应产业链;依据产业链合机制,探讨多能源协同供电规模化制氢(氧)产业基地建设的实施目标与战略规划。

关键词: 海上风电;多能源协同供电;规模化制氢(氧);产业基地    

Towards a next-generation production system for industrial robots: A CPS-based hybrid architecture for

Qingmeng TAN, Yifei TONG, Shaofeng WU, Dongbo LI

《机械工程前沿(英文)》 2020年 第15卷 第1期   页码 1-11 doi: 10.1007/s11465-019-0563-9

摘要: Given the multiple varieties and small batches, the production of industrial robots faces the ongoing challenges of flexibility, self-organization, self-configuration, and other “smart” requirements. Recently, cyber physical systems have provided a promising solution for the requirements mentioned above. Despite recent progress, some critical issues have not been fully addressed at the shop floor level, including dynamic reorganization and reconfiguration, ubiquitous networking, and time constrained computing. Toward the next generation production system for industrial robots, this study proposed a hybrid architecture for smart assembly shop floors with closed-loop dynamic cyber physical interactions. Aiming for dynamic reorganization and reconfiguration, the study also proposed modularized smart assembly units for the deployment of physical assembly processes. Enabling technologies, such as multiagent system (MAS), self-organized wireless sensor actuator networks, and edge computing, were discussed and then integrated into the proposed architecture. Furthermore, a multijoint robot assembly process was selected as a target scenario. Thus, an MAS was developed to simulate the coordination and negotiation mechanisms for the proposed architecture on the basis of the Java Agent Development Framework platform.

关键词: cyber physical system     robot assembly     multiagent system     architecture    

Evaluation of strategies for the subsequent use of CO 2

Marc SCHAEFER, Frank BEHRENDT, Thomas HAMMER,

《化学科学与工程前沿(英文)》 2010年 第4卷 第2期   页码 172-183 doi: 10.1007/s11705-009-0236-z

摘要: If substantial amounts of CO, which according to actual scenarios may in the future be captured from industrial processes and power generation, shall be utilized effectively, scalable energy efficient technologies will be required. Thus, a survey was performed to assess a large variety of applications utilizing CO chemically (e.g., production of synthesis-gas, methanol synthesis), biologically (e.g., CO as fertilizer in green houses, production of algae), or physically (enhancement of fossil fuel recovery, use as refrigerant). For each of the processes, material and energy balances were set up. Starting with pure CO at standard conditions, expenditure for transport and further process specific treatment were included. Based on these calculations, the avoidance of greenhouse gas emissions by applying the discussed technologies was evaluated. Based on the currently available technologies, applications for enhanced fossil fuel recovery turn out to be most attractive regarding the potential of utilizing large quantities of CO (total capacity>1000 Gt CO) and producing significant amounts of marketable products on one hand and having good energy and material balances on the other hand (

关键词: industrial     generation     production     substantial     enhancement    

investigation and feasibility analysis of a thermophotovoltaic cogeneration system in high-temperature production

Jianxiang WANG, Hong YE, Xi WU, Hujun WANG, Xiaojie XU

《能源前沿(英文)》 2013年 第7卷 第2期   页码 146-154 doi: 10.1007/s11708-013-0253-y

摘要: The experimental - characteristics of a Si cell module in a thermophotovoltaic (TPV) system were investigated using SiC or Yb O radiator. The results demonstrate that the short-circuit current increases while the open-circuit voltage, along with the fill factor, decreases with the cell temperature when the radiator temperature increases from 1273 to 1573 K, leading to a suppressed increase of the output power of the system. The maximum output power density of the cell module is 0.05 W/cm when the temperature of the SiC radiator is 1573 K, while the electrical efficiency of the system is only 0.22%. The efficiency is 1.3% with a Yb O radiator at the same temperature, however, the maximum output power density drops to 0.03 W/cm . The values of the open-circuit voltage and the maximum output power obtained from the theoretical model conform to the experimental ones. But the theoretical short-circuit current is higher because of the existence of the contact resistance inside the cell module. In addition, the performance and cost of TPV cogeneration systems with the SiC or Yb O radiator using industrial high-temperature waste heat were analyzed. The system electrical efficiency could reach 3.1% with a Yb O radiator at 1573 K. The system cost and investment recovery period are 6732 EUR/kWel and 14 years, respectively.

关键词: thermophotovoltaic (TPV)     industrial waste heat     ytterbium oxide     system efficiency    

利用工业废渣制备软土固化剂的可行性探讨

戴蕾,李战国,黄新

《中国工程科学》 2010年 第12卷 第3期   页码 56-60

摘要:

就如何高附加值地利用工业废渣制备软土固化剂进行了技术效果、经济效益及生产方式等方面的可行性探讨。基于固化土结构形成过程的特点及其对固化剂组成的特殊需求,提出了利用工业废渣制备固化剂的设计思想,给出了固化剂配比实例,与水泥进行了性价比对比分析,并初步探讨了利用工业废渣产业化生产固化剂宜采取的生产经营方式。认为只要能根据形成固化土结构对固化剂组成材料的特殊需求针对性地选择适当的工业废渣,就能够制备出高性价比的软土固化剂;宜根据拟加固土的性质个性化设计制备固化剂,采用多组分组配式生产方式以及设计、生产、销售一体化的经营模式。

关键词: 工业废渣     软土固化     固化剂     可行性     性价比    

一种工业过程时变参数估计新算法——修正目标函数法

张承慧

《中国工程科学》 2001年 第3卷 第11期   页码 54-59

摘要:

针对某些工业过程控制参数高度时变的特点和LS拟合算法存在病态估计的现象,提出了一类基于 修正目标函数的时变参数估计算法,并给出递推辅助变量算法。此类算法不仅具有较强的实时跟踪能力和较高 的估计精度,而且能克服病态估计,摆脱了伪随机信号在工程中带来的麻烦。新算法没有增加计算量,非常适 合于工程应用,仿真及实际应用结果都证明新算法是有效的。文中给出了有关新算法的定理及其证明。

关键词: 参数估计     计算方法     LS算法     时变系统     工业生产    

钱学森论产业革命

黄顺基

《中国工程科学》 2001年 第3卷 第9期   页码 1-8

摘要:

怎样认识当前这场产业革命?如何认识产业革命与社会发展之间的关系?在钱老论产业革命中有哪些理论创新?文章对此作了详细的论述。

关键词: 物质资料生产体系     社会改革     人理     科学技术业    

我国工业水污染防治措施实施情况评估

曹宏斌, 李爱民, 赵赫, 李庭刚, 张笛, 朱利中

《中国工程科学》 2022年 第24卷 第5期   页码 137-144 doi: 10.15302/J-SSCAE-2022.05.016

摘要:

自2018 年1 月1 日新修订的《中华人民共和国水污染防治法》正式施行以来,工业水污染防治措施条款总体执行良好,全国工业水污染防治相关政策措施与设施建设已取得显著进展与成效。国家及相关部门高度重视、各省市积极响应,发布相关政策法规等60 余项;各级部门继续淘汰落后产能,积极推进企业清洁生产,完成了1400 余项工业集聚区污水集中处理设施建设,支撑水污染防治工程举措落地。此外,通过调研评估发现,在部分法律条款执行和工业系统性水污染防治等方面仍然存在落实进展缓慢的情况,存在条款间地区、行业落实不平衡,污染超标排放时有发生,支撑新的国家/地方污水排放标准的监管能力不足等问题。建议以清洁生产为核心抓手,全过程综合控制工业水污染,同时优化调整排水指标,进一步推进环境信息公开,为水污染防治攻坚战和生态文明建设目标任务的完成提供支撑。

关键词: 水污染防治;工业水污染;防治措施;工程举措;清洁生产;信息公开    

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    

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    

标题 作者 时间 类型 操作

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

NewIndustrial Revolution and Environmental Protection

Qian Yi

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

基于熵的不同工业生产模式环境影响比较研究

楚海林,李军

期刊论文

海上风电开发与多能源协同供电规模化制氢(氧)产业基地建设研究

金春鹏

期刊论文

Towards a next-generation production system for industrial robots: A CPS-based hybrid architecture for

Qingmeng TAN, Yifei TONG, Shaofeng WU, Dongbo LI

期刊论文

Evaluation of strategies for the subsequent use of CO 2

Marc SCHAEFER, Frank BEHRENDT, Thomas HAMMER,

期刊论文

investigation and feasibility analysis of a thermophotovoltaic cogeneration system in high-temperature production

Jianxiang WANG, Hong YE, Xi WU, Hujun WANG, Xiaojie XU

期刊论文

利用工业废渣制备软土固化剂的可行性探讨

戴蕾,李战国,黄新

期刊论文

一种工业过程时变参数估计新算法——修正目标函数法

张承慧

期刊论文

钱学森论产业革命

黄顺基

期刊论文

我国工业水污染防治措施实施情况评估

曹宏斌, 李爱民, 赵赫, 李庭刚, 张笛, 朱利中

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

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

Adrian W. K. Law,Chunyan Tang

期刊论文