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Optimization of the separation unit of methanol to propylene(MTP)process and its application

Chinese Journal of Chemical Engineering 2019年第5期27卷 1089-1093页

作者： Zizong wang Hongqian Liu jiming wang East China University of Science and Technology Shanghai 200237China China Petrochemical Corporation Beijing 100029China SINOPEC Engineering Incorporation Beijing 100101China

Based on a typical gas composition from a methanol-to-propylene (MTP) reactor, and guided by a requirement to recover both propylene and ethylene, three separation strategies are studied and simulated by using PROI1 package. These strategies are sequential separation, front-end dethanization, and front-end depropanization. The process does not involve an ethylene refrigeration system, using the separated stream as absorbent, and absorbing further the medium-pressure demethanization, and a proprietary technology by combining intercooling oil absorption and throttle expansio n. In fluences of different process streams as absorbent are studied on energy consumptions, propylene and ethylene recovery percentages, and other key-performance indicators of the separation strategies. Based on a commercial MTP plant with a methanol capacity of 1700 kt·a^-1, the simulated results show that the front-end dethanization using the C4 mixture as absorbent is the optimal separation strategy, in which the standard fuel oil consumption (a key-performance in dicator of energy con sumption) is 18.97 kt·h^-1, the total power consumption of two compressors is 22.4 MW, the propylene recovery percentage is 99.70%, and the ethylene recovery percentage is 99.70%. For a further improvement, the pre-dethanization and thermal coupling methods are applied. By using front-end pre-dethanization (partial cutting) with debutanizeroverhead, i.e. the C4 mixture, as absorbent, the power consumption of the compressors decreases to 19.9 MW, an 11% reduction compared with the clear-cutting method. The energy consumption for the dual compressors for crude gaseous product mixture and main product propylene refrigeration is 16.69 MW, 16.55% lower than that of the present MTP industrial plant with the same scale, and a total energy consumption of 20 MW for the triple compressors including product gas mixture compression, and ethylene and propylene refrigeration.

关键词： Heat integration distillation Methanol to propylene Ethylene Propylene

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Thermal Decomposition Behavior of Terephthalate in Inert Gas

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China Petroleum Processing & Petrochemical Technology 2017年第3期19卷 1-8页

作者： Yu Jing wang jiming Key Laboratory of Advanced Control and Optimization for Chemical Process Ministry of EducationEast China University of Science and TechnologyShanghai 200237 DuPont China Holding Co. LtdShanghai 201203 School of Chemical Engineering East China University of Science and TechnologyShanghai 200237

Several metal terephthalates were synthesized by hydrothermal solvent method. Firstly, the coordination type of metal ions and carboxylates in terephthalate was studied by FTIR spectroscopy. The results showed that the binding type of zinc terephthalate and aluminum terephthalate are mainly bridged coordination, while the chelating coordination mode dominated in the magnesium terephthalate and cerium terephthalate. Secondly, the thermal decomposition mechanism of zinc terephthalate in nitrogen atmosphere was studied by TG and Py-GC/MS techniques. Finally, the activation energy of the thermal decomposition process was obtained by the Friedman method and the Flynn-Wall-Ozawa(FWO) method, and the most probabilistic function was obtained by multiple linear fitting. The results showed that the decomposition process of zinc terephthalate was an one-step reaction and the activation energy was equal to 187.38 kJ/mol.

关键词： terephthalate TG/DTG thermal decomposition mechanism kinetics

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Distillation Sequence Optimization Considering Extractive Distillation under Multiple Conditions: A Methanol to Propylene Case Study

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China Petroleum Processing & Petrochemical Technology 2019年第4期21卷 88-93页

作者： Yu Jing Qian Feng wang jiming Key Laboratory of Advanced Control and Optimization for Chemical Process Ministry of EducationEast China University of Science and TechnologyShanghai 200237 Coteva AgriscienceTM Shanghai 201203 School of Chemical Engineering East China University of Science and TechnologyShanghai 200237

This study provides insights into the distillation sequence optimization of refinery system in a methanol to propylene plant with extractive distillation under multiple conditions. The simulated annealing algorithm(SA) with relative cost function was used to solve a meaningful optimization problem. It was observed that different conditions had differed on the flowsheet. Case study shows the effectiveness of the proposed method.

关键词： distillation sequence optimization simulated annealing algorithm MATLAB multiple conditions

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Kinetic Study on Liquid-Phase Hydrodesulfurization of FCC Diesel in Tubular Reactors

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China Petroleum Processing & Petrochemical Technology 2015年第2期17卷 1-8页

作者： Li Hua Yang Jinliang Weng Huixin wang jiming East China University of Science and Technology SINOPEC Changling Petrochemical Company SINOPEC Group

According to the characteristics of FCC diesel, a technology of liquid-phase hydrodesulfurization of the diesel in tubular reactors was proposed and lab-scale experiments were carried out. A kinetic model for the hydrodesulfurization process was developed and verified. The model was utilized to predict the sulfur content of products under different operating conditions. The effects of temperature, space velocity, pressure, and hydrogen concentration on the dcsulfurization rate were investigated.

关键词： FCC diesel liquid-phase hydrodesulfurization kinetic model

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A Novel Efficient Ligand in Anionic Polymerization at Elevated Temperature

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Chinese Journal of Chemistry 2014年第11期32卷 1128-1134页

作者： Bo Chen jiming wang Minze Shu Bin Zou Yong Guan Anna Zheng Shanghai Key Laboratory of Advanced Polymeric Materials Key Laboratory for Ultrafine Materials of Ministry of EducationSchool of Materials Science and EngineeringEast China University of Science and TechnologyShanghai 200237China

This work confirmed a novel ligand in the anionic polymerization,lithium phenoxide,which helped to improve the controllability of the *** stability of n-BuLi against THF at 0℃ was effectively improved by adding lithium *** than 60%n-BuLi in THF was alive with the presence of lithium phenoxide after stirring at 0℃ for 20 min,compared to 2%under same conditions but without lithium *** propagation of polymerization of styrene(St)and methyl methacrylate(MMA)were retarded after adding lithium *** by adding more than 10 fold lithium phenoxide,completed conversion was achieved in the polymerization of MMA in THF at 0℃.The lithium phenoxide showed both promoting and inhibiting effects in the polymerization of isoprene(Ip):it promoted the formation of 3,4-structure,while mitigated the formation of 1,2-and 1,*** general,the polymerization rate of Ip was promoted by lithium phenoxide.

关键词： ligand anionic polymerization kinetics organolithium

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Computational Fluid Dynamics Simulation of Liquid-Phase FCC Diesel Hydrotreating in Tubular Reactor

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China Petroleum Processing & Petrochemical Technology 2015年第4期17卷 102-110页

作者： Li Hua Liu Ningqiang Zeng Zhiyu Zou Ying wang jiming Research Institute of Petroleum Processing East China University of Science and Technology SINOPEC Changling Company Hunan Changling Petrochemical S&T Developing Co. Ltd. China Petrochemical Corporation

The computational fluid dynamics(CFD) code, FLUENT, was used to simulate the liquid-phase FCC diesel hydrotreating tubular reactor with a ceramic membrane tube dispenser. The chemical reaction and reaction heat were added to the model by user-defined function(UDF), showing the distribution of temperature and content of sulfides, nitrides, bicyclic aromatics and monocyclic aromatics in different parts of the reaction bed. When the pressure was 6.5 MPa, the amount of mixing hydrogen was 0.84%(m), the space velocity was 2 h-1 and the inlet temperature was 633 K, the temperature reached a maximum at a height of 0.15 m, and the range of radial temperature reached its maximum(2.5 K) at a height of 0.15 m. It indicated that the proper ratio of height to diameter of catalyst bed in the tubular reactor was 5-6. The increase of inlet temperature, the mixing hydrogen and the decrease of space velocity led to the decrease in the content of bicyclic aromatics, sulfides and nitrides, and the increase in monocyclic aromatics content, while the high temperature increased. The results were in good agreement with experimental data, indicating to the high accuracy of the model.

关键词： FCC diesel tubular liquid-phase hydrogenation computational fluid dynamics(CFD)

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Sinopec’ Praxis and Search in Promoting Circular Economy

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China Oil & Gas 2005年第3期12卷 4-6页

作者： wang jiming Executive Director of China Business Council for Sustainable Development Vice-chairman of BOD of Sinopec

Circular economy is a pattern of economic growth pertaining to the notion of sustainable development, indeed a radical change of and challenge to the traditional economic growth pattern that builds itself upon the conceptions of “mass production, mass consumption, and mass waste”. Thus, its core is the efficient and cyclic utilization of resources; its principle is “reduction, reuse, and recycle”; and its characteristics are low-consumption, low exhaust, and high efficiency.

关键词：中国石油化工股份有限公司循环经济能源市场可持续发展节约型社会

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优化工业行业空间布局,实现区域协调发展

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化工学报 2015年第1期66卷 1-6页

作者：王基铭中国石油化工集团公司北京100728

在简要分析改革开放36年来中国工业取得的辉煌成就的同时,针对当前存在的工业大而不强、发展方式粗放、资源能源消耗高、污染排放强度大、核心技术不足、产能普遍过剩、产业布局不合理、与区域经济发展不协调等突出问题,运用过程系统工... 详细信息

在简要分析改革开放36年来中国工业取得的辉煌成就的同时,针对当前存在的工业大而不强、发展方式粗放、资源能源消耗高、污染排放强度大、核心技术不足、产能普遍过剩、产业布局不合理、与区域经济发展不协调等突出问题,运用过程系统工程理念,采用效益理论和均衡理论,以环渤海经济圈(京津冀鲁辽)为代表,深入开展了环渤海经济圈石化工业与区域发展的协同研究,提出了优化环渤海湾石化工业空间布局,实现与区域协调发展的相关建议。

关键词：过程系统优化系统工程空间布局协调发展

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过程系统工程技术与中国石化可持续发展

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化工学报 2007年第10期58卷 2421-2426页

作者：王基铭中国石油化工集团公司北京100029

石油化工行业是国民经济的重要基础和支柱产业,中国石化集团公司作为中国最大的油品和石化产品生产商及经销商,已步入世界大型能源化工公司行列。过程系统工程(PSE)技术在中国石化结构调整、技术创新、降本增效、节能降耗、环境保护、... 详细信息

石油化工行业是国民经济的重要基础和支柱产业,中国石化集团公司作为中国最大的油品和石化产品生产商及经销商,已步入世界大型能源化工公司行列。过程系统工程(PSE)技术在中国石化结构调整、技术创新、降本增效、节能降耗、环境保护、安全生产、科学决策等诸多方面都起到了重要的作用,有效促进了中国石化科技进步和生产发展。企业资源计划(ERP)系统成功上线;初步形成供应链体系;全面启动总部生产营运指挥系统建设;电子商务系统长周期在线运行等。中国石化积极推进可持续发展,积极调整结构,强化技术改造,大幅降低能源消耗水平;全面推进清洁生产,从源头减少污染;努力节能降耗,提高资源和能源利用效率;不断完善安全、环境、健康(HSE)管理体系。坚持不懈地开展PSE技术的研究与应用,是中国石化可持续发展的内在要求与必然选择。

关键词：过程系统工程中国石化可持续发展

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Dorsomorphin induces cancer cell apoptosis and sensitizes cancer cells to HSP90 and proteasome inhibitors by reducing nuclear heat shock factor 1 levels

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Cancer Biology & Medicine 2019年第2期16卷 220-233页

作者： Na Li Ting wang Zongmeng Li Xiaoli Ye Bo Deng Shu Zhuo Pengle Yao Mengmei Yang Hong Mei Xiaofang Chen Tengfei Zhu Shiting Chen Hui wang jiming wang Yingying Le CAS Key Laboratory of Nutrition Metabolism and Food Safety Shanghai Institute of Nutrition and Health Shanghai/ Institutes for Biological SciencesUniversity of Chinese Academy of Sciences Chinese Academy of Sciences Shanghai 200031 China Key Laboratory of Food Safety Risk Assessment Ministry of Health Beijing 100022 China Cancer and Inflammation Program Center for Cancer Research National Cancer Institute at Frederick Frederick 21702 MD USA

Objective: Heat shock factor 1(HSF1), a transcriptional regulator of heat shock proteins(HSPs), is an attractive therapeutic target for cancer. However, only a few HSF1 inhibitors have been identified so ***: The mRNA and protein levels of HSF1, HSPs, cleaved PARP, and phosphorylated HSF1 were examined by real-time PCR and Western blot. Forced expression, RNA interference, and immunofluorescence assay were used for mechanistic *** viability and apoptosis were measured by WST-8 assay and flow cytometry, respectively. Xenograft studies were performed in nude mice to evaluate the effect of dorsomorphin and an HSP90 inhibitor on tumor ***: Dorsomorphin suppressed multiple stimuli-induced and constitutive HSPs expression in cancer cells. Mechanistic studies revealed that dorsomorphin reduced heat-induced HSP expression independent of adenosine monophosphate activated protein kinase. Dorsomorphin reduced heat-stimulated HSF1 Ser320 phosphorylation and nuclear translocation, as well as resting nuclear HSF1 levels in cancer cells. Dorsomorphin induced cancer cell apoptosis by inhibiting HSF1 expression. A structure-activity study revealed that the 4-pyridyl at the 3-site of the pyrazolo [1, 5-a]pyrimidine ring is critical for the anti-HSF1 activities of dorsomorphin. Dorsomorphin sensitized cancer cells to HSP90 and proteasome inhibitors and inhibited HSP70 expression induced by these inhibitors in vitro. In tumor-bearing nude mice, dorsomorphin enhanced HSP90 inhibitor-induced cancer cell apoptosis, tumor growth inhibition, and HSP70 ***: Dorsomorphin is an HSF1 inhibitor. It induces cancer cell apoptosis, sensitizes cancer cells to both HSP90 and proteasome inhibitors, and suppresses HSP upregulation by these drugs, which may prevent the development of drug ***, dorsomorphin and its derivates may serve as potential precursors for developing drugs against cancer.

关键词： Dorsomorphin heat shock factor 1 heat shock protein apoptosis cancer

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