Patents Assigned to Dalian Institute of Chemical Physics, Chinese Academy of Sciences
  • Patent number: 10446867
    Abstract: The present invention relates to a quinone polyhalide flow battery, wherein a positive electrolyte is a mixed solution of hydrochloric acid and sodium bromide, and a negative electrode is a mixed solution of hydrochloric acid and anthraquinone. The problems that the cost of a quinone bromine flow battery is relatively high and the voltage of the battery is relatively low are improved.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: October 15, 2019
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Huamin Zhang, Xianfeng Li, Chenhui Wang, Qinzhi Lai, Yuanhui Cheng
  • Patent number: 10407700
    Abstract: A surfactant-improved simultaneous saccharification and co-fermentation method for lignocelluloses in which a pretreated lignocellulose substrate is directly subjected to surfactant-improved simultaneous saccharification and co-fermentation without any detoxification by adding a surfactant, and the surfactant may be selectively added before or after pre-enzymatic hydrolysis, having economic, effective and feasible application prospects in reducing the loss of glucose, simplifying the production process, reducing equipment investment, reducing water consumption, improving ethanol production and reducing the total cost of the ethanol production process.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: September 10, 2019
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Zongchao Zhang, Xiumei Liu, Liaoyuan Mao
  • Publication number: 20190262814
    Abstract: This application consists of a method for the synthesis of a type of FER/MOR composite molecular sieve. That method consisting of mixing FER seed crystals, MOR seed crystals, a silicon source, water and an acid or alkali, thus yielding a reaction mixture; by adjusting the proportions of the seed crystals added, the silicon-aluminium proportion, acidity/alkalinity and other reaction conditions, it is possible to obtain a dual phase composite molecular sieve within which the proportions of the crystal phases may be adjusted. In the synthesis process to which the method of this application relates, there is no need to add any organic template, thus reducing the cost of the reaction, in addition to reducing likely environmental pollution, thus having major potential applications.
    Type: Application
    Filed: December 28, 2015
    Publication date: August 29, 2019
    Applicants: Dalian Institute of Chemical Physics, Chinese Academy of Sciences, BP (China) Holdings Limited
    Inventors: Xiujie LI, Shenglin Liu, Xiangxue Zhu, Sujuan Xie, Longya XU, Zhiqiang Yang, Xuebin Liu
  • Publication number: 20190262811
    Abstract: A catalyst for synthesizing aromatic hydrocarbons, a preparation method thereof and a method for synthesizing aromatic hydrocarbons by using the catalyst. The catalyst comprises acidic molecular sieve particles and zinc-aluminum composite oxide particles. The catalyst has relatively high selectivity to aromatic hydrocarbons, particularly BTX, stable performance, and a long single-pass life.
    Type: Application
    Filed: August 22, 2017
    Publication date: August 29, 2019
    Applicant: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Youming NI, Wenliang ZHU, Zhongmin LIU, Zhiyang CHEN, Yong LIU, Hongchao LIU, Xiangang MA, Shiping LIU
  • Publication number: 20190263730
    Abstract: A method and device for preparing propylene and C4 hydrocarbons from oxygen-containing compounds. The method includes returning 70 wt. % or more of the light fractions in the generated product to a dense phase zone of a fast fluidized-bed reactor from a reactor feed distributor at the bottom-most of the fast fluidized-bed reactor to react ethylene and the oxygen-containing compounds to perform an alkylation reaction in presence of a catalyst to produce products of propylene and the like, and circulating 80 wt. % or more of the hydrocarbons with 5 or more carbons into a catalytic cracking lift pipe to perform a cracking reaction to generate a product containing propylene and C4 hydrocarbons, which is subsequently fed into a dilute phase zone of the fast fluidized-bed reactor. The method and device of the present invention improve the reaction rate of ethylene alkylation, and the unit volume production capacity of reactor is high.
    Type: Application
    Filed: October 19, 2016
    Publication date: August 29, 2019
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Tao ZHANG, Mao YE, Changqing HE, Jinling ZHANG, Xiangao WANG, Hailong TANG, Jinming JIA, Yinfeng ZHAO, Zhongmin LIU
  • Publication number: 20190256439
    Abstract: A turbulent fluidized-bed reactor, device and method for preparing propylene and C4 hydrocarbons from oxygen-containing compounds. The device includes the turbulent fluidized-bed reactor and a fluidized-bed regenerator for regenerating a catalyst. The method includes: a) feeding a raw material containing the oxygen-containing compounds from n reactor feed distributors to a reaction zone of the turbulent fluidized-bed reactor, and contacting the raw material with a catalyst, to generate a stream containing target product and a spent catalyst containing carbon; b) sending the stream discharged into a product separation system, obtaining propylene, C4 hydrocarbons, light fractions and the like after separation, returning 70 wt.
    Type: Application
    Filed: October 19, 2016
    Publication date: August 22, 2019
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Tao ZHANG, Mao YE, Changqing HE, Jinling ZHANG, Xiangao WANG, Hailong TANG, Jinming JIA, Yinfeng ZHAO, Zhongmin LIU
  • Publication number: 20190256440
    Abstract: Disclosed is a method for preparing aromatic hydrocarbons, particularly relates to the preparation of the aromatic hydrocarbons by passing methanol and carbon monoxide through a reactor loaded with an acidic ZSM-5 molecular sieve catalyst containing no metal additive under reaction conditions. Compared with the prior art, the method provided by the present invention can improve and stabilize the selectivity to aromatic hydrocarbons, particularly BTX, by adding carbon monoxide in methanol aromatization, and also prolongs the single-pass life of the catalyst. The performance of an inactivated catalyst is not significantly degraded after repeated regenerations. Furthermore, the catalyst preparation process omits the step of adding a metal additive, so that not only the process is simplified, but also costs are greatly reduced, and environmental protection is facilitated.
    Type: Application
    Filed: August 22, 2017
    Publication date: August 22, 2019
    Applicant: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Youming NI, Wenliang ZHU, Zhongmin LIU, Zhiyang CHEN, Yong LIU, Hongchao LIU, Xiangang MA, Shiping LIU
  • Publication number: 20190241480
    Abstract: A method and device for preparing propylene and C4 hydrocarbons from oxygen-containing compounds. By circulating 80 wt. % or more of the hydrocarbons with five or more carbons in the product into a catalytic cracking lift pipe to perform a cracking reaction to generate a product containing propylene and C4 hydrocarbons, the method improves the reaction rate of ethylene alkylation, and the unit volume production capacity of reactor is high.
    Type: Application
    Filed: October 19, 2016
    Publication date: August 8, 2019
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Mao YE, Tao ZHANG, Changqing HE, Jinling ZHANG, Xiangao WANG, Hailong TANG, Jinming JIA, Yinfeng ZHAO, Zhongmin LIU
  • Patent number: 10370318
    Abstract: The present invention provides a method for preparing acetic acid by carbonylation of methanol, which comprises: passing a raw material containing methanol, carbon monoxide and water through a reaction region loaded with a catalyst containing an acidic molecular sieve with an adsorbed organic amine, and carrying out a reaction under the following conditions to prepare acetic acid. The method in the present invention offers high acetic acid selectivity and good catalyst stability. The catalyst in the present invention does not contain noble metals such as rhodium or iridium, and does not need additional agent containing iodine, and thus does not generate a strong corrosive hydroiodic acid and the like.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: August 6, 2019
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Youming Ni, Wenliang Zhu, Lei Shi, Hongchao Liu, Yong Liu, Zhongmin Liu
  • Publication number: 20190186029
    Abstract: The present invention relates to a graphene material inlaid with single metal atoms, the preparation method thereof and its application of being used as the catalyst for the electroreduction of carbon dioxide. The graphene material inlaid with single metal atoms comprises single metal atoms and graphene; the single metal atoms are dispersed in the framework of the graphene; and the graphene is at least one selected from N doped graphene and N and S co-doped graphene. The material is used for the electrochemical reduction reaction of carbon dioxide, which significantly improves the utilization efficiency of the metal atoms and enhances the catalytic activity for the electroreduction of carbon dioxide, improves the catalytic stability, inhibits effectively the hydrogen evolution reaction, improves the selectivity for CO product, and broadens the electric potential window of reducing carbon dioxide to generate CO.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 20, 2019
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Bin LIU, Hongbin YANG, Yanqiang HUANG, Song LIU, Tao ZHANG
  • Patent number: 10315973
    Abstract: This invention provides a method for preparing ethylene glycol by hydrolyzing ethylene glycol monomethyl ether.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: June 11, 2019
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Youming Ni, Wenliang Zhu, Yong Liu, Hongchao Liu, Lei Shi, Zhongmin Liu
  • Publication number: 20190169035
    Abstract: A method for synthesizing a nano SAPO-34 molecular sieve, and an SAPO-34 molecular sieve catalyst and application thereof. A nano SAPO-34 molecular sieve is synthesized by adding a microporous templating agent and a templating agent having a functionalized organic silane to hydrothermal synthesis. The nano SAPO-34 molecular sieve is calcined to obtain a nano SAPO-34 molecular sieve catalyst. The catalyst can be used in a reaction for preparing low-carbon olefin from an oxygen-containing compound. The nano SAPO-34 molecular sieve obtained by this method has a pure CHA crystal phase. Moreover, the nano SAPO-34 molecular sieve catalyst obtained by this method has good catalytic performance in a MTO reaction, the service life of the catalyst is significantly prolonged, and the selectivity of the low-carbon olefin is improved.
    Type: Application
    Filed: August 2, 2016
    Publication date: June 6, 2019
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Pengfei WU, Miao YANG, Peng TIAN, Zhongmin LIU, Linying WANG, Lin LIU
  • Patent number: 10287233
    Abstract: The present invention provides a method for producing methyl acetate, and the method comprises a step in which dimethyl ether and a raw gas containing carbon monoxide and hydrogen go through a reactor loaded with a catalyst for carrying out a carbonylation reaction; wherein the catalyst contains an acidic EMT zeolite molecular sieve. The present invention has provided a new method for producing methyl acetate. In the method of the present invention, the carbonylation is carried out in the presence of the catalyst containing the acidic EMT zeolite molecular sieve, and the reaction activity is high, and the stability has been significantly improved, meeting the requirement of industrial production.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: May 14, 2019
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Hongchao Liu, Wenliang Zhu, Yong Liu, Youming Ni, Zhongmin Liu, Linying Wang, Peng Tian
  • Patent number: 10259757
    Abstract: Disclosed is a method for starting up fluidized reaction apparatus that is used for producing lower olefins from methanol or/and dimethyl ether. Said method includes after heating the catalyst bed of circulating fluidized catalytic reaction apparatus to above 200° C. or 300° C. by using a starting-up auxiliary heat source, feeding methanol or dimethyl ether raw materials to a reactor, whereby heat released by the reaction makes the temperature of the reaction system apparatus increase quickly to a designed temperature, consequently making the system reach normal operation state rapidly. Said method is suitable for starting up an exothermic fluidized catalytic reaction apparatus and can simplify the apparatus and operation, accordingly lowering the cost.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 16, 2019
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Zhongmin Liu, Zhihui Lv, Changqing He, Yu Liu, Yue Qi, Xiaojian Min, Gongwei Wang, Xiangao Wang, Jinling Zhang, Mao Ye
  • Patent number: 10252917
    Abstract: Provided is a method for preparing a Y type molecular sieve having a high silica-to-alumina ratio, comprising: mixing deionized water, a silicon source, an aluminum source, an alkali source, and a tetraalkylammoniumcation source as a template agent to obtain an initial gel mixture; after aging the initial gel mixture at an appropriate temperature, feeding the gel mixture into a high pressure synthesis kettle for crystallization; separating a solid product, and drying to obtain the Y type molecular sieve having a high silica-to-alumina ratio. The method provides a phase-pure Y type molecular sieve having a high crystallinity, the SiO2/Al2O3 thereof being not less than 6.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: April 9, 2019
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Danhua Yuan, Dawei He, Zhijia Song, Yunpeng Xu, Zhongmin Liu
  • Patent number: 10188985
    Abstract: Extruded honeycomb catalyst bodies and methods of manufacturing same. The catalyst body includes a first oxide selected from the group consisting of tungsten oxides, vanadium oxides, and combinations thereof, a second oxide selected from the group consisting of cerium oxides, lanthanum oxides, zirconium oxides, and combinations thereof, and a zeolite.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: January 29, 2019
    Assignees: Corning Incorporated, Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Steven Bolaji Ogunwumi, Mallanagouda Dyamanagouda Patil, Yuming Xie, Hao Cheng, Shudong Wang
  • Publication number: 20190016964
    Abstract: A method for carbon dioxide direct hydrogenation to gasoline-range hydrocarbons is provided in this invention. Under the reaction conditions of 250-450° C., 0.01-10.0 MPa, 500-50000 mL/(h·gcat) of feedstocks, 0.5-8 molar ratio of H2 to CO2, the mixture of carbon dioxide and hydrogen may be directly converted to gasoline-range hydrocarbons over a multifunctional hybrid catalyst. The multifunctional hybrid catalyst comprises: iron-based catalyst for carbon dioxide hydrogenation as the first component, one, two or more of zeolites optionally modified by metal as the second component. In this method, a per-pass conversion of CO2 may achieve more than 33%, the methane selectivity in the hydrocarbon products is less than 8%, the selectivity of gasoline-range hydrocarbons with carbon numbers from 5 to 11 in the hydrocarbon products is more than 70%. The obtained gasoline-range hydrocarbons exhibit high octane number due to its composition comprising isoparaffins and aromatics as the major components.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 17, 2019
    Applicant: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Qingjie GE, Jian WEI, Hengyong XU
  • Publication number: 20180370896
    Abstract: The present invention provides a method for producing methyl acetate, and the method comprises a step in which dimethyl ether and a raw gas containing carbon monoxide and hydrogen go through a reactor loaded with a catalyst for carrying out a carbonylation reaction; wherein the catalyst contains an acidic EMT zeolite molecular sieve. The present invention has provided a new method for producing methyl acetate. In the method of the present invention, the carbonylation is carried out in the presence of the catalyst containing the acidic EMT zeolite molecular sieve, and the reaction activity is high, and the stability has been significantly improved, meeting the requirement of industrial production.
    Type: Application
    Filed: December 8, 2015
    Publication date: December 27, 2018
    Applicant: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Hongchao LIU, Wenliang ZHU, Yong LIU, Youming NI, Zhongmin LIU, Linying WANG, Peng TIAN
  • Patent number: 10099973
    Abstract: A method for preparing p-xylene and co-producing propylene with a high selectivity, comprising: a) bringing a raw material containing toluene and methanol and/or dimethyl ether into contact with a catalyst in a reaction system for reaction; returning an ethylene-enriched C2? component discharged from the reaction system to the reaction system, and continuing the reaction with the raw material on the catalyst to produce propylene; b) separating a C6+ component discharged from the reaction system to obtain a product p-xylene; and c) separating a C3 component discharged from the reaction system to obtain a product propylene.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: October 16, 2018
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Lei Xu, Zhongmin Liu, Xinzhi Zhang
  • Patent number: 10087135
    Abstract: The present invention provides a method for producing a light fatty acid alkyl ester with the formula of R1—COO—R2, and the method comprises a step in which a alkyl ether with formula of R1—O—R2 and a raw gas containing carbon monoxide go through a reactor loaded with a catalyst for carrying out a carbonylation reaction; wherein the catalyst contains an acidic EMT zeolite molecular sieve; wherein R1 and R2 are independently selected from C1-C4 alkyl groups. The present invention has provided a new method for producing light fatty acid alkyl ester. In the method of the present invention, the carbonylation is carried out in the presence of the catalyst containing the acidic EMT zeolite molecular sieve, and the reaction activity is high, and the stability has been significantly improved, meeting the requirement of industrial production.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: October 2, 2018
    Assignee: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
    Inventors: Hongchao Liu, Wenliang Zhu, Youming Ni, Yong Liu, Zhongmin Liu, Linying Wang, Peng Tian