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Conceptual design of an internally heat integrated propylene-propane splitter
Olujić, Ž.; Sun, L.; de Rijke, A.; Jansens, P.J. - In: Energy 31 (2006) 15, pp. 3083-3096
Huge quantities of energy are required in distillation columns used for polymer grade separations of close boiling …
Persistent link: https://www.econbiz.de/10011054291
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Energy and exergy analysis of a five-column methanol distillation scheme
Sun, Jinsheng; Wang, Fan; Ma, Tingting; Gao, Hong; Wu, Peng - In: Energy 45 (2012) 1, pp. 696-703
In the present paper, a five-column heat integrated methanol distillation scheme is proposed with the aid of process …
Persistent link: https://www.econbiz.de/10011054302
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Process simulation and energy optimization of the enzyme-catalyzed biodiesel production
Yun, Huimin; Wang, Meng; Feng, Wei; Tan, Tianwei - In: Energy 54 (2013) C, pp. 84-96
Biodiesel, as an alternative and renewable fuel, has been studied and developed in recent years. In the present paper, a continuous enzyme-catalyzed biodiesel pilot plant using waste cooking oil, with production capacity of 6482 ton/yr, was simulated by Aspen Plus. Detailed operating conditions...
Persistent link: https://www.econbiz.de/10011054931
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Modeling, Simulation, and Thermally Optimization of Thermally-Coupled Distillation Columns
Safari, Fatemeh; Mehrabani-Zeinabad, Arjomand - In: International Journal of Chemoinformatics and Chemical … 5 (2016) 1, pp. 1-11
Distillation is one of the most widely used separation units that consumes the largest amount of energy in chemical and … petrochemical industries. Heat integration of thermally coupled distillation column is one of the methods to reduce energy …-consumption. This paper provides a comparison between two simple columns with direct configuration and thermally coupled distillation …
Persistent link: https://www.econbiz.de/10012043526
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A comprehensive review on applications of ohmic heating (OH)
Sakr, Mohamed; Liu, Shuli - In: Renewable and Sustainable Energy Reviews 39 (2014) C, pp. 262-269
heating method has a large number of actual and potential application exits in food industry, water distillation, waste …
Persistent link: https://www.econbiz.de/10010931082
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A graphical method to estimate the efficiency of a solar concentrator
Nijegorodov, N.; Jain, P.K.; Devan, K.R.S. - In: Renewable Energy 5 (1994) 1, pp. 373-375
A graphical method to estimate the efficiency of a solar concentrator used for heating and boiling liquids is described. The method involves the measuring of temperature of stagnated liquid in the absorber as a function of time at noon. The graphically estimated efficiency is within 5% of the...
Persistent link: https://www.econbiz.de/10010805831
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Energy-use analysis and evaluation of distillation systems through avoidable exergy destruction and investment costs
Wei, Zhiqiang; Zhang, Bingjian; Wu, Shengyuan; Chen, Qinglin - In: Energy 42 (2012) 1, pp. 424-433
exergy analysis and an exergoeconomic evaluation to identify the potential energy savings in distillation processes. Methods … for calculating the avoidable/unavoidable exergy destructions and investment costs for distillation columns, and hot …-utility/cold-utility heat exchangers are proposed. For a distillation column, the unavoidable exergy destruction is estimated through the …
Persistent link: https://www.econbiz.de/10010807891
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Design and control of an ideal heat-integrated distillation column (ideal HIDiC) system separating a close-boiling ternary mixture
Huang, Kejin; Shan, Lan; Zhu, Qunxiong; Qian, Jixin - In: Energy 32 (2007) 11, pp. 2148-2156
Despite the fact that a stand-alone ideal heat-integrated distillation column (ideal HIDiC) can be thermodynamically …
Persistent link: https://www.econbiz.de/10010809321
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Integration of thermal energy and seawater desalination
Deng, Runya; Xie, Lixin; Lin, Hu; Liu, Jie; Han, Wei - In: Energy 35 (2010) 11, pp. 4368-4374
Energy and freshwater shortage are the bottlenecks restricting China's economic development. The integration of energy utilization system and seawater desalination is considered as an innovative technology enabling efficient simultaneous use of middle or low temperature thermal energy and supply...
Persistent link: https://www.econbiz.de/10010811006
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A new and applicable method to calculate mass and heat transfer coefficients and efficiency of industrial distillation columns containing structured packings
Sadeghifar, Hamidreza; Kordi, Safe; Akbar, Ali - In: Energy 36 (2011) 3, pp. 1415-1423
Most of the methods developed for efficiency estimation of distillation columns were based on the empirical mass … efficiency (and mass and heat transfer coefficients) of distillation columns containing structured packings. This method has … of any structured packing, including new ones, in distillation columns. …
Persistent link: https://www.econbiz.de/10010811338