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Separation-and-Recovery Technology for Organic Waste Liquid with a High Concentration of inorganic particles

Engineering 2018年第3期4卷 406-415页

作者： Hualin Wang Pengbo Fu Jianping Li Yuan Huang Ying Zhao Lai Jiang Xiangchen Fang Tao Yang Zhaohui Huang Cheng Huang National Engineering Laboratory for Industrial Wastewater Treatment East China University of Science and Technology Shanghai 200237 China Sinopec Luoyang Petrochemical Engineering Corporation Luoyang 471003 China Sinopec Jinling Petrochemical Corpora tion Nanjing 210033 China Sinopec Dalian (Fushun) Research Institute of Petroleum and Petrochemicals Fushun 113001 China Sinopec Zhenhai Refining and Chemical Company Ningbo 315207 China

The environmentally friendly and resourceful utilization of organic waste liquid is one of the frontiers of environmental engineering. With the increasing demand for chemicals, the problem of organic waste liq- uid with a high concentration of inorganic pollutants in the processing of petroleum, coal, and natural gas is becoming more serious. In this study, the high-speed self-rotation and flipping of particles in a three- dimensional cyclonic turbulent field was examined using a synchronous high-speed camera technique; the self-rotation speed was found to reach 2000-6000 rad.s 1. Based on these findings, a cyclonic gas- stripping method for the removal of organic matter from the pores of particles was invented. A techno- logical process was developed to recover organic matter from waste liquid by cyclonic gas stripping and classifying inorganic particles by means of airflow acceleration classification. A demonstration device was built in Sinopec＇s first ebullated-bed hydro-treatment unit for residual oil. Compared with the T-STAR fixed-bed gas-stripping technology designed in the United States, the maximum liquid-removal effi- ciency of the catalyst particles in this new process is 44.9% greater at the same temperature, and the time required to realize 95% liquid-removal efficiency is decreased from 1956.5 to 8.4 s. In addition, we achieved the classification and reuse of the catalyst particles contained in waste liquid according to their activity. A proposal to use this new technology was put forward regarding the control of organic waste liquid and the classification recovery of inorganic particles in an ebullated-bed hydro-treatment process for residual oil with a processing capacity of 2×106 t.a^1. It is estimated that the use of this new tech- nology will lead to the recovery of 3100 t.a 1 of diesel fuel and 647 t.a^1 of high-activity catalyst; in addi- tion, it will reduce the consumption of fresh catalyst by 518 t.a^1. The direct economic benefits of this pr

关键词： Organic waste liquid inorganic particles Cyclonic gas stripping Particle self-rotation Airflow acceleration classification

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CHARACTERIZATION OF NANOSTRUCTURES:TOOLS AND CHALLENGES

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Chinese Journal of Polymer Science 2009年第1期27卷 77-83页

作者： G.Cox W.Wohlleben W.Schrepp Polymer Physics Dept. BASF SE67056 LudwigshafenGermany

Apart from long-known and applied nanostructures like carbon black for tyres or pigments for coatings nanotechnology has created highly sophisticated structures used for nano/molecular electronics,diagnostics,drug delivery, UV-absorbers *** the main question to be solved analytically is the local determination of tiny amounts of chemicals resulting in an ever increasing need for highly sensitive as well as locally resolved *** of techniques like mass spectroscopy,transmission elect...

关键词： Analytical ultracentrifugation Fuel cells inorganic particles Nanostructures Surface energy

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inorganic virus-like nanoparticles for biomedical applications:a minireview

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Journal of Future Foods 2024年第1期4卷 71-82页

作者： Liying Zhao Jiahong Zhou Dawei Deng Department of Pharmaceutical Engineering School of EngineeringChina Pharmaceutical UniversityNanjing 211198China Department of Biomedical Engineering School of EngineeringChina Pharmaceutical UniversityNanjing 211198China

Nature has the ingenious capability to design spiky topological features at the macro-and nanoscales,which exhibits fascinating interface adhesive properties by means of multivalent *** a biomimetic approach,such as nanoscale virus particles are highly infectious toward host cells,a range of organic and inorganic spiky particles(virus-like nanostructures)have been precisely engineered for diverse biomedical ***,organic virus-like particles(VLPs)derived from viral capsids(often termed as virosomes)have been extensively studied and reviewed,but concomitant concerns regarding immunogenicity and risks of mutagenesis limit clinical potential of organic *** contrast,inorganic VLPs(viral-mimicking topography)possess fascinating physicochemical characteristics,such as excellent electrical,optical,magnetic,mechanical and catalytic properties,which make them particularly suitable for biomedical ***,there is no comprehensive review related to inorganic VLPs engineered with non-viral shell for biomedical ***,in this review,we present a brief overview on inorganic VLPs,followed by summarizing the construction and properties of virus-like nanostructures,as well as the mechanisms of nano-bio interface interactions initiated by spiky ***,we focus on the recent advances of VLPs for biomedical applications(including biosensing,antibacterial therapy and cancer treatment).Finally,the future outlook and emerging challenges will be *** review aims to provide future scope of the rational design of inorganic non-viral vectors,especially with respect to gene-based therapy platforms.

关键词： Nanotopography Virus-like Spike inorganic particles Biomedical applications

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