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Progress in membrane distillation crystallization: Process models, crystallization control and innovative

Xiaobin Jiang, Linghan Tuo, Dapeng Lu, Baohong Hou, Wei Chen, Gaohong He

《化学科学与工程前沿（英文）》 2017年第11卷第4期页码 647-662 doi: 10.1007/s11705-017-1649-8

摘要： Membrane distillation crystallization (MDC) is a promising hybrid separation process that has been applied to seawater desalination, brine treatment and wastewater recovery. In recent years, great progress has been made in MDC technologies including the promotion of nucleation and better control of crystallization and crystal size distribution. These advances are useful for the accurate control of the degree of supersaturation and for the control of the nucleation kinetic processes. This review focuses on the development of MDC process models and on crystallization control strategies. In addition, the most important innovative applications of MDC in the last five years in crystal engineering and pharmaceutical manufacturing are summarized.

关键词： membrane distillation crystallization mathematics model nucleation separation hybrid process

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Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractivedistillation process

《化学科学与工程前沿（英文）》 2023年第17卷第1期页码 34-45 doi: 10.1007/s11705-022-2234-3

摘要： In the traditional extractive distillation process, organic solvents are often used as entrainers. However, environmental influence and high energy-consumption are significant problems in industrial application. In this study, a systematic screening strategy and innovative energy-saving design for ionic liquid-based extractive distillation process was proposed. The innovative energy-saving design focused on the binary minimum azeotrope mixtures isopropanol and water. Miscibility, environmental impact and physical properties (e.g., melting point and viscosity) of 30 ionic liquids were investigated. 1-Ethyl-3-methyl-imidazolium dicyanamide and 1-butyl-3-methyl-imidazolium dicyanamide were selected as candidate entrainers. Feasibility analysis of these two ionic liquids was further performed via residue curve maps, isovolatility line and temperature profiles. An innovative ionic liquid-based extractive distillation process combining distillation column and stripping column was designed and optimized with the objective function of minimizing the total annualized cost. The results demonstrate that the total annualized cost was reduced by 19.9% with 1-ethyl-3-methyl-imidazolium dicyanamide as the entrainer and by 24.3% with 1-butyl-3-methyl-imidazolium dicyanamide, compared with that of dimethyl sulfoxide. The method proposed in this study is conducive to the green and sustainable development of extractive distillation process.

关键词： ionic liquid entrainer screening feasibility analysis extractive distillation

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Study of the robustness of a low-temperature dual-pressure process for removal of CO

Stefania Moioli, Laura A. Pellegrini, Paolo Vergani, Fabio Brignoli

《化学科学与工程前沿（英文）》 2018年第12卷第2期页码 209-225 doi: 10.1007/s11705-017-1688-1

摘要： The growing use of energy by most of world population and the consequent increasing demand for energy are making unexploited low quality gas reserves interesting from an industrial point of view. To meet the required specifications for a natural gas grid, some compounds need to be removed from the sour stream. Because of the high content of undesired compounds (i.e., CO ) in the stream to be treated, traditional purification processes may be too energy intensive and the overall system may result unprofitable, therefore new technologies are under study. In this work, a new process for the purification of natural gas based on a low temperature distillation has been studied, focusing on the dynamics of the system. The robustness of the process has been studied by dynamic simulation of an industrial-scale plant, with particular regard to the performances when operating conditions are changed. The results show that the process can obtain the methane product with a high purity and avoid the solidification of carbon dioxide.

关键词： CO₂ capture innovative process cryogenic distillation dynamic simulation solid-liquid-vapor equilibrium

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Performance assessment of innovative seismic resilient steel knee braced frame

Tony T. Y. YANG,Yuanjie LI

《结构与土木工程前沿（英文）》 2016年第10卷第3期页码 291-302 doi: 10.1007/s11709-016-0340-3

摘要： Buckling restrained knee braced truss moment frame (BRKBTMF) is a novel and innovative steel structural system that utilizes the advantages of long-span trusses and dedicated structural fuses for seismic applications. Steel trusses are very economical and effective in spanning large distance. However, conventional steel trusses are typically not suitable for seismic application, due to its lack of ductility and poor energy dissipation capacity. BRKBTMF utilizes buckling restrained braces (BRBs) as the designated structural fuses to dissipate the sudden surge of earthquake energy. This allows the BRKBTMF to economically and efficiently create large span structural systems for seismic applications. In this paper, a prototype BRKBTMF office building located in Berkeley, California, USA, was designed using performance-based plastic design procedure. The seismic performance of the prototype building was assessed using the state-of-the-art finite element software, OpenSees. Detailed BRB hysteresis and advanced element removal technique was implemented. The modeling approach allows the simulation for the force-deformation response of the BRB and the force redistribution within the system after the BRBs fracture. The developed finite element model was analyzed using incremental dynamic analysis approach to quantify the seismic performance of BRKBTMF. The results show BRKBTMF has excellent seismic performance with well controlled structural responses and resistance against collapse. In addition, life cycle repair cost of BRKBTMF was assessed using the next-generation performance-based earthquake engineering framework. The results confirm that BRKBTMF can effectively control the structural and non-structural component damages and minimize the repair costs of the structure under different ranges of earthquake shaking intensities. This studies conclude that BRKBTMF is a viable and effective seismic force resisting system.

关键词： buckling restrained brace innovative structural system collapse simulation seismic assessment

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论新时代的创新人才

甘自恒,金又琳

《中国工程科学》 2007年第9卷第11期页码 26-34

摘要：

阐明了研究新时代创新人才的重大意义，揭示了新时代的内涵：以创新为时代精神，包括从多种视角揭示的和平发展时代，生态文明时代，知识经济时代，政冶多极化时代，创意文化时代，改革开放时代；把新时代的创新人才分为4类：一般创新人才，拔尖创新人才，杰出创新人才，大师级创新人才；概括了新时代创新人才的5个基本特征：观念的时代性，素质的全面性，导向的先进性，研究的综合性，成果的创新性；总结了新时代创新人才的成才模式，阐述了研究新时代创新人才对高等教育创新的启示和建议。

关键词：新时代一般创新人才拔尖创新人才杰出创新人才大师级创新人才

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Special issue: Innovative applications of big data and artificial intelligence

《工程管理前沿（英文）》 2022年第9卷第4期页码 517-519 doi: 10.1007/s42524-022-0234-0

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Highlight yield forming and innovative technologies in tropical crops

Wenquan WANG

《农业科学与工程前沿（英文）》 2016年第3卷第4期页码 283-284 doi: 10.15302/J-FASE-2016128

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Special issue: innovative nuclear energy technology

《能源前沿（英文）》 2021年第15卷第4期页码 791-792 doi: 10.1007/s11708-021-0794-4

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Innovative piled raft foundations design using artificial neural network

Meisam RABIEI, Asskar Janalizadeh CHOOBBASTI

《结构与土木工程前沿（英文）》 2020年第14卷第1期页码 138-146 doi: 10.1007/s11709-019-0585-8

摘要： Studying the piled raft behavior has been the subject of many types of research in the field of geotechnical engineering. Several studies have been conducted to understand the behavior of these types of foundations, which are often used for uniform loading on the raft and piles with the same length, while generally the transition load from the upper structure to the foundation is non-uniform and the choice of uniform length for piles in the above model will not be optimally economic and practical. The most common method in identifying the behavior of piled rafts is the use of theoretical relationships and software analyses. More precise identification of this type of foundation behavior can be very difficult due to several influential parameters and interaction of set behavior, and it will be done by doing time-consuming computer analyses or costly full-scale physical modeling. In the meantime, the technique of artificial neural networks can be used to achieve this goal with minimum time consumption, in which data from physical and numerical modeling can be used for network learning. One of the advantages of this method is the speed and simplicity of using it. In this paper, a model is presented based on multi-layer perceptron artificial neural network. In this model pile diameter, pile length, and pile spacing is considered as an input parameter that can be used to estimate maximum settlement, maximum differential settlement, and maximum raft moment. By this model, we can create an extensive domain of results for optimum system selection in the desired piled raft foundation. Results of neural network indicate its proper ability in identifying the piled raft behavior. The presented procedure provides an interesting solution and economically enhancing the design of the piled raft foundation system. This innovative design method reduces the time spent on software analyses.

关键词： innovative design piled raft foundation neural network optimization

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The Effect of TRIZ on Research Institute Innovation

He Liu,Qing-hai Yang,Xu Jin

《工程管理前沿（英文）》 2014年第1卷第4期页码 385-389 doi: 10.15302/J-FEM-2014059

摘要： With a background in improving independent innovation capabilities and building a world-class petroleum research institute, scientific innovation is the essence and basis of an innovative framework for a research institute, as well as the inexhaustible driving force for sustainable development. By introducing the theory of inventive problem solving (TRIZ) and combining it with CAI (computer aided innovation) technology, the Research Institute of Petroleum Exploration and Development established an adaptive innovative system by making experiments and fanning out from a point to an area gradually. This article takes the example of the innovative practices of the Department of Petroleum Equipment in Research Institute of Petroleum Exploration and Development, and introduces a building method for the innovative system based on technical innovation, enterprise culture, organizational structure, scheme, and people. It also summarizes the experiences and effects of improving innovative system upon scientific practice which can provide important guidance and reference significance for accelerating independent innovative capability.

关键词： innovative capability TRIZ theory petroleum equipment research institute innovative system

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Function and principle innovative design of mechanical products based on TRIZ/FA

YUAN Feng, WANG Tai-yong, NIE Hui-juan

《机械工程前沿（英文）》 2006年第1卷第3期页码 350-355 doi: 10.1007/s11465-006-0031-1

摘要： Function and principle innovation is the ultimate innovation of a product. To achieve Function and principle innovation design of mechanical products, a new process model of function and principle solving is proposed, based on TRI

关键词： TRI principle solving product principle innovation ultimate innovation

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Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project

Quanyuan WEI, Yongshui QU, Tianwei TAN

《化学科学与工程前沿（英文）》 2011年第5卷第3期页码 355-361 doi: 10.1007/s11705-010-0567-9

摘要： Biomass can be converted into flammable gas, charcoal, wood vinegar, wood tar oil and noncombustible materials with thermo-chemical pyrolysis reactions. Many factors influence these processes, such as the properties of the raw materials, and temperature control and these will affect the products that are produced. Based on the data from a straw pyrolysis demonstration project, the mass and heat balance of the biomass pyrolysis process were analyzed. The statistical product and service solutions (SPSS) statistical method was used to analyze the data which were monitored on-site. A cost-benefit analysis was then used to study the viability of commercializing the project. The analysis included net present value, internal rate of return and investment payback period. These results showed that the straw pyrolysis project has little risk, and will produce remarkable economic benefits.

关键词： mass balance heat balance biomass pyrolysis economic benefit

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Development and application of innovative technologies for drinking water quality assurance in China

QU Jiuhui, YIN Chengqing, YANG Min, LIU Huijuan

《环境科学与工程前沿（英文）》 2007年第1卷第3期页码 257-269 doi: 10.1007/s11783-007-0044-y

摘要： The continuously deteriorating quality of source water is threatening the safety of drinking water in China. Various efforts have been made to update water treatment processes to decrease the pollution problems of drinking water, such as protection of drinking water sources, enhancement of conventional treatment processes, and development of new or advanced treatment technologies. This paper reviews a variety of protection and remediation methods for drinking water sources, development and application of drinking water treatment technologies, new technologies for special pollutants removal from groundwater, and the latest research progress on water distribution systems in China. treatment plant improvement is the key to ensure the quality of drinking water. There have been many researches on innovative treatment technologies in China and they have been applied in quite a number of water treatment plants. These innovations include key technique development and combination of technologies in the scope of economic optimization. On the basis of water quality from the plant, the distribution system is also important. This paper describes the latest development in the above respects.

关键词： advanced treatment economic optimization Various enhancement improvement

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Combining innovative science and policy to improve air quality in cities with refining and chemicals

David T. Allen

《化学科学与工程前沿（英文）》 2017年第11卷第3期页码 293-304 doi: 10.1007/s11705-017-1660-0

摘要： In Houston, a combination of urban emissions from a city of 4 million people, coupled with emissions from extensive petroleum refining and chemical manufacturing, leads to conditions for photochemistry that are unique in the United States, and historically, the city had experienced some of the highest ozone concentrations recorded in the United States. Large air quality field studies (the Texas Air Quality Studies or TexAQS I and II) were conducted to determine root causes of the high ozone concentrations. Hundreds of air quality investigators, from around the world, deployed instruments on aircraft, on ships, and at fixed ground sites to make extensive air quality measurements; detailed photochemical modeling was used to interpret and assess the implications of the measurements. The Texas Air Quality Studies revealed that both continuous and episodic emissions of light alkenes, which came to be called highly reactive volatile organic compounds, played a critical role in the formation of ozone and other photochemical oxidants in the region. Understanding and quantifying the role of these emissions in regional air quality required innovations in characterizing emissions and in photochemical modeling. Reducing emissions required innovative policy approaches. These coupled scientific and policy innovations are described, and the result, substantially cleaner air for Houston, is documented. The lessons learned from the Houston air quality experience are relevant to cities with similar population and industrial profiles around the world.

关键词： ozone air quality highly reactive volatile organic compounds Houston

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Innovative development path of ethnomedicines: the interpretation of the path

null

《医学前沿（英文）》 2017年第11卷第1期页码 32-47 doi: 10.1007/s11684-016-0495-2

摘要：

One of the primary purposes of the innovative development of ethnomedicines is to use their excellent safety and significant efficacy to serve a broader population. To achieve this purpose, modern scientific and technological means should be referenced, and relevant national laws and regulations as well as technical guides should be strictly followed to develop standards and to perform systemic research in producing ethnomedicines. Finally, ethnomedicines, which are applied to a limited extent in ethnic areas, can be transformed into safe, effective, and quality-controllable medical products to relieve the pain of more patients. The innovative development path of ethnomedicines includes the following three primary stages: resource study, standardized development research, and industrialization of the achievements and efforts for internationalization. The implementation of this path is always guaranteed by the research and development platform and the talent team. This article is based on the accumulation of long-term practice and is combined with the relevant disciplines, laws and regulations, and technical guidance from the research and development of ethnomedicines. The intention is to perform an in-depth analysis and explanation of the major research thinking, methods, contents, and technical paths involved in all stages of the innovative development path of ethnomedicines to provide useful references for the development of proper ethnomedicine use.

关键词： ethnomedicines innovative development path resource study standardized development research industrialization internationalization