Patents Assigned to Institute of Process Engineering, Chinese Academy of Sciences
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Patent number: 9656206Abstract: A combined desulfuration, denitration, and demercuration apparatus and method using a semi-dry process in a circulating fluidized bed. The apparatus comprises a flue (2) and a circulating fluidized bed reaction column (8) connected in sequence, the flue (2) being connected to a bottom inlet of the circulating fluidized bed reaction column (8). The flue (2) is further connected to an ozone generation apparatus (1). The ozone distributor (1) feeds ozone in the flue (2) and sends oxidized flue gas into the circulating fluidized bed reaction column (8), so that the SO2, high-valence NOx, and Hg2+ contained in the flue gas are removed through reactions with a Ca-based absorbent under the effect of atomized water in the reaction column (8).Type: GrantFiled: October 23, 2013Date of Patent: May 23, 2017Assignees: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES, BEIJING ZSTC ENVIRONMENTAL ENGINEERING CO., LTD.Inventors: Tingyu Zhu, Wenqing Xu, Meng Ye, Ruizhuang Zhao
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Patent number: 9567557Abstract: The invention relates to the field of microalgae culture and specifically relates to a trap-type carbon supplement device and carbon supplement method for cultivating microalgae in an open pond. The trap-type carbon supplement device for cultivating microalgae in an open pond, comprises a trap-type container, a partition plate and a gas distributor, wherein the gas distributor is positioned at the culture solution inlet of the trap-type carbon supplement device; the thickness of the trap-type carbon supplement device on the side of the culture solution inlet is 0.5-2 times of the depth of the culture solution in the open pond; the gap between the lower end of the partition plate and the bottom of the trap-type container is 0.5-2 times of the thickness of the trap-type carbon supplement device on the side of the culture solution inlet; the upper end of the partition plate is higher than the wall of the trap-type container; and the width of the partition plate is matched with the trap-type container.Type: GrantFiled: May 7, 2012Date of Patent: February 14, 2017Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Wei Cong, Zhongliang Sun, Ming Liu, Xia Wu, Dongmei Zhang, Shumei Wen
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Patent number: 9464245Abstract: This invention relates to an apparatus and a method for multistage hierarchical pyrolysis and gasification of solid fuels. The apparatus comprises a feeding device 1, a multistage fluidized bed reactor 6, a residual discharging valve 9, a cyclone 10 and a condenser 11. A gas inlet is provided at the bottom of the multistage fluidized bed reactor 6 and a number of stages of fluidized beds 3 are provided within the multistage fluidized bed 6, wherein the fluidized beds 3 are separated by a number of perforated distributors 5. The top stage fluidized bed 3 is connected with the feeding device 1 and the coal fed thereto is heated by char obtained from pyrolysis in this stage and the mixture of high temperature ascending pyrolysis and gasification gas to undergo pyrolysis reactions at low temperature, thereby to obtain solid particles after preliminary pyrolytic process.Type: GrantFiled: January 27, 2011Date of Patent: October 11, 2016Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Shiqiu Gao, Guangwen Xu, Qi Zhou, Xufei Xu, Yin Wang, Qiang Li
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Patent number: 9446385Abstract: This invention relates to the cleaning of flue gas released from various combustion processes, particularly a surface deposition NH3—SCR honeycomb catalyst and its preparation method. The catalyst is composed of framework material, TiO2, V2O5 and WO3, wherein the framework material is composed of clay, coal ash, mineral waste residue or their mixture. The mass fractions for framework material, TiO2, V2O5, and WO3 are 60 wt. % to 80 wt. %, 13 wt. % to 33 wt. %, 1 wt. % to 5 wt. %, and 0.1 wt. % to 2 wt. %, respectively. The nano V2O5—WO3—TiO2 particles were deposited on the surface of particle pore or honeycomb, and the performance of the catalyst could be greatly improved.Type: GrantFiled: September 23, 2011Date of Patent: September 20, 2016Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Jian Yu, Feng Guo, Juan Yang, Yin Wang, Li Dong, Shiqiu Gao, Guangwen Xu
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Publication number: 20160215221Abstract: A dry distillation reactor for a raw material of hydrocarbon with a solid heat carrier is provided. An inner component with a pore path or a pore space is arranged inside the reactor to form a flow channel for the gas-phase product of the dry distillation. Also a dry distillation method using the dry distillation reactor is provided. The dry distillation method includes moving the reacting materials from top to bottom; moving a gas-phase product of the dry distillation along a designed path in the reactor; and finally leading same out through an outlet arranged in a central collecting channel for the gas-phase product of the dry distillation.Type: ApplicationFiled: August 14, 2013Publication date: July 28, 2016Applicant: Institute of Process Engineering, Chinese Academy of SciencesInventors: Guangwen XU, Rongcheng WU, Shiqiu GAO, Chun ZHANG, Pengwei DONG, Jiangze HAN
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Patent number: 9399181Abstract: A liquid-liquid-liquid three-phase continuous and countercurrent extraction apparatus comprises a three-phase-mixing chamber, a three-liquid-flow settler, and a two-phase-mixing chamber; a liquid-flow control separator placed in the three-liquid-flow settler aims to flexibly regulate the directions of three liquid flows in the three-phase system by different control separator combinations to achieve either a countercurrent operation of the top-layered phase with the middle-bottom two-layered mixtures, or a countercurrent operation of the top-middle two-layered mixtures with the bottom-layered phase; and a method of using the same, relating to extraction and separation field of chemical technology.Type: GrantFiled: April 11, 2011Date of Patent: July 26, 2016Assignee: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Huizhou Liu, Kun Huang, Zhentao An
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Publication number: 20160175432Abstract: The present invention discloses an oil-in-water emulsion containing no surfactant, which comprises a metabolizable oil phase, an aqueous phase and oil-water amphipathic solid particles dispersed in the aqueous phase and having biocompatibility, wherein the oil phase comprises squalene or/and tocol; the aqueous phase is any one selected from the group consisting of purified water, water for injection, glycerine aqueous solution, buffering salts aqueous solution or clinically usable transfusion, or the combination of at least two selected therefrom; the solid particles have an average particle size in a scale of from nanometer to micrometer. The emulsion of the present invention can be used as vaccine adjuvant, drug delivery carrier or sustained/controlled-release carrier, and have the controllable properties. The resultant emulsion is stable, avoids the use of surfactants and can reduce the human poisoning and environmental pollution.Type: ApplicationFiled: November 26, 2014Publication date: June 23, 2016Applicant: Institute of Process Engineering, Chinese Academy of SciencesInventors: Guanghui MA, Jie WU, Liuqing YANG, Yufei XIA, Feng QI, Qingze FAN
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Patent number: 9358497Abstract: An ionic liquid solvent and gas purification method using the same are provided. The ionic liquid solvent consists of a main absorbent, a regulator for the main absorbent, an auxiliary absorbent, an activator, an antioxidant and water. The ionic liquid involves a low synthetic cost, low viscosity and high absorption capacity, and can be easily regenerated and recycled. The method, compared with traditional processes, has advantages such as a greater absorption capability and lower operation cost.Type: GrantFiled: September 26, 2010Date of Patent: June 7, 2016Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Xiangping Zhang, Yansong Zhao, Shaojuan Zeng, Suojiang Zhang, Haifeng Dong, Yingpeng Zhen, Lei Huang
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Patent number: 9309577Abstract: Provided is a process for producing biomass-based product from straw hemicellulose and utilizing the components thereof thoroughly. Steam-explosion and acid-hydrolysis are combined in the pre-treatment of straw in the process, thus a higher concentration of a sugar liquid can be obtained, and furfural and acetic acid can be recovered. The hemicellulose obtained by the pre-treatment can be used directly as ferment materials for producing butanol, succinic acid, butylene glycol, lactic acid, hydrogen and firedamp, which reduces the cost of these biomass-based products. The cellulose and lignin obtained by extracting the straw with an alkaline solution can produce products, such as sodium hydroxymethyl cellulose etc. In the process, all components in the straw can be utilized thoroughly and waste and pollutant will not be produced.Type: GrantFiled: January 28, 2011Date of Patent: April 12, 2016Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Hongzhang Chen, Lan Wang
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Publication number: 20160060728Abstract: A method for processing vanadium-titanium magnetite finished ores by using a wet process. The method comprises the steps: extracting vanadium from vanadium-titanium magnetite finished ores and processing, by using the vanadium extraction method, obtained leaching residue by using a wet process, so as to obtain titanium; and calcining the remaining liquid extracted during the vanadium extraction, so as to prepare ferric oxide. The flow of the method is short, and the energy consumption is low, thereby avoiding waste of a titanium resource.Type: ApplicationFiled: April 10, 2014Publication date: March 3, 2016Applicant: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Tao QI, Lina WANG, Desheng CHEN, Hongxin ZHAO, Yahui LIU, Tianyan XUE, Jingkui QU
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Patent number: 9062161Abstract: A method for preparing polymethylene polyphenyl polycarbamate is provided. The method includes dissolving phenylcarbamate in a water-immiscible organic solvent to form a solution A, formulating an aqueous acid catalyst solution to form a solution B, forming a reaction system comprising an organic phase and an aqueous phase by firstly adding a methylating reagent to the solution B and then mixing the solution A and the solution B, wherein the organic phase comprises phenylcarbamate and the aqueous phase comprises the acid catalyst and the methylating reagent. The method further includes reacting the reaction system under stirring at a reaction temperature of 30° C. to 200° C. and a reaction pressure of 0.05 MPa to 5 MPa to produce a polymethylene polyphenyl polycarbamate product mixture dissolved in the organic phase, and separating the polymethylene polyphenyl polycarbamate product mixture by allowing the organic phase and the aqueous phase to stand still and stratify.Type: GrantFiled: November 8, 2011Date of Patent: June 23, 2015Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Huiquan Li, Haitao Liu, Jiaqiang Chen, Kaihua Zhang, Yan Cao
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Publication number: 20150132830Abstract: The invention relates to the field of microalgae culture and specifically relates to a trap-type carbon supplement device and carbon supplement method for cultivating microalgae in an open pond. The trap-type carbon supplement device for cultivating microalgae in an open pond, comprises a trap-type container, a partition plate and a gas distributor, wherein the gas distributor is positioned at the culture solution inlet of the trap-type carbon supplement device; the thickness of the trap-type carbon supplement device on the side of the culture solution inlet is 0.5-2 times of the depth of the culture solution in the open pond; the gap between the lower end of the partition plate and the bottom of the trap-type container is 0.5-2 times of the thickness of the trap- type carbon supplement device on the side of the culture solution inlet; the upper end of the partition plate is higher than the wall of the trap-type container; and the width of the partition plate is matched with the trap-type container.Type: ApplicationFiled: May 7, 2012Publication date: May 14, 2015Applicant: Institute of Process Engineering, Chinese Academy of SciencesInventors: Wei Cong, Zhongliang Sun, Ming Liu, Xia Wu, Dongmei Zhang, Shumei Wen
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Publication number: 20150125946Abstract: The invention relates to the field of mass cultivation of microalgae and specifically relates to a horizontal submerged cover type carbon supplement device and carbon supplement method for cultivating microalgae in an open pond. The horizontal submerged cover type carbon supplement device for cultivating microalgae in an open pond, comprises: one or more than two covers and gas distributors, wherein the gas distributor is arranged at the bottom of the open pond and the cover is arranged above the gas distributor; the cover, in form of a cylinder with openings at both ends, is arranged along the flow direction of the culture solution, the two ends of the cover being a culture solution inlet and a culture solution outlet respectively; the gas distributor is kept away from the culture solution outlet of the cover by more than 40 cm.Type: ApplicationFiled: May 7, 2012Publication date: May 7, 2015Applicant: Institute of Process Engineering ,Chinese Academy of SciencesInventors: Wei Cong, Ming Liu, Xia Wu, Shumei Wen, Dongmei Zhang, Zhongliang Sun
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Patent number: 8940172Abstract: The invention provides a preparation method of super-macroporous polymeric microspheres and a product thereof. The method is characterized in that adding high content of surfactant into an oil phase containing a monomer and dispersing the oil phase containing the monomer and the surfactant into an aqueous phase. Super-macroporous microspheres are obtained by means of suspension polymerization. In the interior of the microspheres, 10-60% of the pores are distributed in a range of 500-900 nm. The microspheres have a particle diameter of 1-200 ?m and a porosity of 30%-90%. The product is suitable for being used as a stationary phase matrix in liquid chromatography, a carrier for high performance catalysts and a high performance adsorbent, and especially, being used as a separation medium for separating biomacromolecules.Type: GrantFiled: December 1, 2006Date of Patent: January 27, 2015Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Guanghui Ma, Zhiguo Su, Weiqing Zhou, Qiang Wei
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Patent number: 8894966Abstract: A micro-mixer and use thereof for synthesis of barium sulfate particles is disclosed. The micro-mixer includes feeding tubes, reservoirs, a mixing channel, a buffer reservoir and a sampling tube. The mixing channel is made of hydrophobic materials and processed into a spiral structure, in which baffles are set in interval arrangement at both sides of the channel wall. The types of the baffles include leaning-forward baffles, vertical baffles and leaning-backward baffles. Setting the baffles helps produce local secondary flow in the mixer, which enhances fluids mixing process. The micro-mixer is suitable to rapid reactions or precipitation processes, whose reaction time is much less than mixing time, and has broad application prospects in many fields involving mixing reaction such as pharmaceutical and chemistry industry.Type: GrantFiled: October 31, 2013Date of Patent: November 25, 2014Assignees: Institute of Process Engineering, Chinese Academy of Sciences, Nanjing Ziuzhang Chemical Technology Co., LtdInventors: Chao Yang, Xi Wang, Yumei Yong, Guangji Zhang, Jingcai Cheng, Xin Feng, Xiangyang Li, Weipeng Zhang, Yuanyuan Li, Zaisha Mao
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Publication number: 20140316100Abstract: A method for preparing polymethylene polyphenyl polycarbamate is provided, which is carried out through the condensation of phenylcarbamate with a methylating reagent under the catalyzation of a phase transfer acid catalyst. The method comprises: dissolving phenylcarbamate in a water-immiscible organic solvent to form a solution A; formulating an aqueous acid catalyst solution to fibrin a solution B; forming a reaction system comprising an organic phase and an aqueous phase by firstly adding a methylating reagent to the solution B and then mixing the solution A and the solution B or by adding the methylating reagent at the same time of mixing the solution A and the solution B or after mixing the solution A and the solution B; reacting the reaction system under stirring at a reaction temperature of 30° C. to 200° C. and a reaction pressure of 0.Type: ApplicationFiled: November 8, 2011Publication date: October 23, 2014Applicant: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Huiquan Li, Haitao Liu, Jiaqiang Chen, Kaihua Zhang, Yan Cao
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Publication number: 20140120031Abstract: A micro-mixer and use thereof for synthesis of barium sulfate particles is disclosed. The micro-mixer includes feeding tubes, reservoirs, a mixing channel, a buffer reservoir and a sampling tube. The mixing channel is made of hydrophobic materials and processed into a spiral structure, in which baffles are set in interval arrangement at both sides of the channel wall. The types of the baffles include leaning-forward baffles, vertical baffles and leaning-backward baffles. Setting the baffles helps produce local secondary flow in the mixer, which enhances fluids mixing process. The micro-mixer is suitable to rapid reactions or precipitation processes, whose reaction time is much less than mixing time, and has broad application prospects in many fields involving mixing reaction such as pharmaceutical and chemistry industry.Type: ApplicationFiled: October 31, 2013Publication date: May 1, 2014Applicants: Nanjing Jiuzhang Chemical Technology Co., Ltd, Institute of Process Engineering, Chinese Academy of SciencesInventors: Chao YANG, Xi WANG, Yumei YONG, Guangji ZHANG, Jingcai CHENG, Xin FENG, Xiangyang LI, Weipeng ZHANG, Yuanyuan LI, Zaisha MAO
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Patent number: 8658842Abstract: Disclosed is a process for producing ethylene glycol catalyzed by an ionic liquid, characterized in that the process includes the following three steps: (a) a carbonylation step of ethylene oxide and CO2 catalyzed by an ionic liquid composite catalyst comprising a hydroxyl functionalized ionic liquid and an alkali metal salt under an aqueous condition to produce ethylene carbonate and ethylene glycol; (b) a hydrolysis step of reacting the reaction solution containing ethylene carbonate and the ionic liquid composite catalyst obtained in step (a) with water to produce ethylene glycol; (c) a purification step of dehydrating and refining ethylene glycol from the aqueous solution containing ethylene glycol and the catalyst produced in step (b). The present process has the following advantages: the catalyst has high activity, high suitability, and good stability, the reaction condition is wild, the conversion of ethylene oxide is high, the selectivity of ethylene glycol is high, and the process is simple.Type: GrantFiled: June 7, 2010Date of Patent: February 25, 2014Assignee: Institute of Process Engineering, Chinese Academy of SciencesInventors: Suojiang Zhang, Jian Sun, Weiguo Cheng, Jinquan Wang, Jianxin Zhang, Zengzeng Fu, Xiangping Zhang
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Publication number: 20130315803Abstract: A liquid-liquid-liquid three-phase continuous and countercurrent extraction apparatus comprises a three-phase-mixing chamber, a three-liquid-flow settler, and a two-phase-mixing chamber; a liquid-flow control separator placed in the three-liquid-flow settler aims to flexibly regulate the directions of three liquid flows in the three-phase system by different control separator combinations to achieve either a countercurrent operation of the top-layered phase with the middle-bottom two-layered mixtures, or a countercurrent operation of the top-middle two-layered mixtures with the bottom-layered phase; and a method of using the same, relating to extraction and separation field of chemical technology.Type: ApplicationFiled: April 11, 2011Publication date: November 28, 2013Applicant: INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Huizhou Liu, Kun Huang, Zhentao An
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Publication number: 20130252293Abstract: Provided is a process for producing biomass-based product from straw hemicellulose and utilizing the components thereof thoroughly. Steam-explosion and acid-hydrolysis are combined in the pre-treatment of straw in the process, thus a higher concentration of a sugar liquid can be obtained, and furfural and acetic acid can be recovered. The hemicellulose obtained by the pre-treatment can be used directly as ferment materials for producing butanol, succinic acid, butylene glycol, lactic acid, hydrogen and firedamp, which reduces the cost of these biomass-based products. The cellulose and lignin obtained by extracting the straw with an alkaline solution can produce products, such as sodium hydroxymethyl cellulose etc. In the process, all components in the straw can be utilized thoroughly and waste and pollutant will not be produced.Type: ApplicationFiled: January 28, 2011Publication date: September 26, 2013Applicant: Institute of Process Engineering, Chinese Academy of SciencesInventors: Hongzhang Chen, Lan Wang