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	1. Research on Large Energy Integration and Heat Exchange Network Design Optimization of Oxidative Dehydrogenation Synthesis of Isoamylene
	Cheng Chen,Shi jianjun,Zuo Hui,Cao Xue,li Chaoxu,He Mingjie
	Chemical Engineering 27 September 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (743K B)

	Abstract:The project adopts oxidative dehydrogenation method to synthesize isoamylene, and uses rectification tower and multi-stage separator to separate and purify finally to obtain chemical purity isoamylene main product and cyclopentane by-product, with an output of 198,000 tons/year. In this paper, we use Aspen Energy Analyzer V11.0 software to design and optimize the energy integration and heat exchange network of the overall process, looking for the most energy-saving measures to minimize energy consumption. By adopting two-stage organic Rankine recycling technology and heat pump technology. Among them, the two-stage organic Rankine cycle technology uses the hydrogen cold source containing high-quality cold energy separated by the hydrogen separation tower, and saves the amount of public works through heat exchange between the cold source and the river water in the river near the site. So as to achieve the purpose of energy saving. The heat pump technology makes full use of the rectification tower with a small difference between the top and the bottom of the tower. By changing the temperature of the steam, it is possible to exchange heat for streams that could not exchange heat, thereby increasing the ratio of recoverable energy and achieving a greater degree Energy saving. Through this optimization measure, the converted energy saving is 99.74MW, which requires 64.48MW of cold utilities and 35.26MW of heat utilities, which achieves a greater degree of energy recovery.
	TO cite this article:Cheng Chen,Shi jianjun,Zuo Hui, et al. Research on Large Energy Integration and Heat Exchange Network Design Optimization of Oxidative Dehydrogenation Synthesis of Isoamylene[OL].[27 September 2020] http://en.paper.edu.cn/en_releasepaper/content/4752876


	2. Recovery of excess cold energy from low-temperature hydrogen based on ASPEN PLUS two-stage Organic Rankine Cycling technology
	Cheng Chen,Shi Jianjun,Zu Runyin,Meng Wangbin,Ji Ke
	Chemical Engineering 07 September 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (270K B)

	Abstract:Energy has always been an eternal topic of human development. Hydrogen energy has unparalleled advantages such as large reserves, high heating value, and zero pollution. It can well solve the urgent problems of human society\'s energy shortage and environmental pollution. The propylene separated from carbon pentanes in the chemical plant of this project is selected as the working fluid of the organic Rankine cycle, and the process model established by ASPE PLUS software simulates and optimizes the problem of low-temperature hydrogen recovery in the chemical plant. In this project, 4 heat exchangers, 2 pumps, and 2 steam turbines are used to exchange cold and heat energy with the river near the plant to recover the cold energy of hydrogen, and generate 14.48kW of electricity to drive the generator to rotate. It has guiding significance for the recovery of low temperature cold source and process optimization in chemical plants.
	TO cite this article:Cheng Chen,Shi Jianjun,Zu Runyin, et al. Recovery of excess cold energy from low-temperature hydrogen based on ASPEN PLUS two-stage Organic Rankine Cycling technology[OL].[ 7 September 2020] http://en.paper.edu.cn/en_releasepaper/content/4752771


	3. Self-assembled graphene films with various thicknesses as supercapacitor electrodes
	ZHU Jianbo,CHEN Wenjing,GUAN Sinan,ZHAO Xiayi,CHEN Xueye,ZU Jiasheng
	Chemical Engineering 03 June 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (1190K B)

	Abstract:In this paper,Graphene have attracted considerable attention as the supercapacitor material due to its high electronic conductivity and large ion-accessible surface area. Herein, self-assembled reduced grapheneoxide (rGO) films with various controllable thicknesses and mass loadings are facilely prepared via a scalable vacuum filtration method. The rGO film electrodes with considerable mass loading of 6.7 mg cm-2 exhibit high specific capacitance of 173.4 F g-1 (1.16 F cm-2) at 1 A g-1 in 6 M KOH aqueous electrolyte, indicating the high utilization of the rGO active material. Moreover, quasi-solid supercapacitors fabricated with the rGO film electrode and PVA/KOH gel electrolyte shows a high capacitance of 1.03 F cm-2 and a large energy density of 0.073 mWh cm-2 at the power density of 3.3 mW cm-2, as well as excellent cycling stability of 85.6% retention after 10000 cycles. Such remarkable performance suggests that the rGO films are promising electrode materials for supercapacitor application.
	TO cite this article:ZHU Jianbo,CHEN Wenjing,GUAN Sinan, et al. Self-assembled graphene films with various thicknesses as supercapacitor electrodes[OL].[ 3 June 2020] http://en.paper.edu.cn/en_releasepaper/content/4752297


	4. Research on Reactor Design in Propane Dehydrogenation Process
	TANG Rongqing,YANG Manxia,YANG Lina,LIANG Tingting,JIN Mingxin
	Chemical Engineering 05 March 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (962K B)

	Abstract:The success of chemical technology process development depends to a large extent on the control level and control ability of the temperature, concentration, residence time and temperature distribution of the fluid in the reactor, and the distribution of residence time. The research project of the propane dehydrogenation process is mainly based on the Catofin process, and the Catofin process is improved by combining the catalyst and operating conditions of the Oleflex process. The main reactors involved in this process are propane dehydrogenation reactors. This paper uses Aspen Plus, Comsol, SW6 and other computer software to select the structure of its core equipment, and details the manufacturing process of the reactor to determine the reaction The volume and approximate structure of the reactor achieve the control requirements of chemical process parameters such as temperature distribution, concentration distribution, and reaction time, so that product quality and performance can be guaranteed. Finally, the reactor design specification is listed in a table.
	TO cite this article:TANG Rongqing,YANG Manxia,YANG Lina, et al. Research on Reactor Design in Propane Dehydrogenation Process[OL].[ 5 March 2020] http://en.paper.edu.cn/en_releasepaper/content/4751033


	5. Study on Energy Integration and Heat Exchange Network Design Optimization of Vinyl Acetate Synthesis from Natural Gas Acetylene Process
	TANG Rongqing,ZENG Weizhao,YANG Manxia,YANG Lina,GAO Jianmin
	Chemical Engineering 29 February 2020
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (2116K B)

	Abstract:This research project uses acetylene and acetic acid as raw materials, zinc acetate-activated carbon as catalyst, and uses natural gas acetylene process to produce 330,000 tons every year of vinyl acetate products. In this paper, double-effect rectification technology and heat pump technology are used to design and optimize the system's energy integration and heat exchange network. Through the analysis of Aspen Energy Analyzer V10.0 software results, it is possible to find possible energy-saving measures to minimize industrial production costs. Double-effect distillation technology is used on

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