Search Results - subject:"Process simulation"

Life-cycle assessment of Fischer–Tropsch products from biosyngas

Iribarren, Diego; Susmozas, Ana; Dufour, Javier - In: Renewable Energy 59 (2013) C, pp. 229-236

. Inventory data obtained mainly through process simulation are used to evaluate the environmental performance of the system in …

Persistent link: https://www.econbiz.de/10010805296

Rate based modeling of absorption and regeneration for CO2 capture by aqueous ammonia solution

Zhang, Minkai; Guo, Yincheng - In: Applied Energy 111 (2013) C, pp. 142-152

A rate-based model, RateFrac, in Aspen Plus process simulator, is used to simulate the CO2 absorption and regeneration processes of a research scale pilot plant. The simulation results of the CO2 absorption and regeneration predicted by the rate-based model are in good agreement with the...

Persistent link: https://www.econbiz.de/10010702584

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

Efficiency of the sulfur–iodine thermochemical water splitting process for hydrogen production based on ADS (accelerator driven system)

García, Lázaro; González, Daniel; García, Carlos; … - In: Energy 57 (2013) C, pp. 469-477

temperature advanced systems have great perspectives to assume the future nuclear energy. Softwares based on CPS (chemical process … simulation) can be used to simulate the thermochemical water splitting sulfur-iodine cycle for hydrogen production. In this paper …

Persistent link: https://www.econbiz.de/10011055557

An investigation into the effects of an emissions trading scheme on forest management and land use in New Zealand

Adams, Thomas; Turner, James A. - In: Forest Policy and Economics 15 (2012) C, pp. 78-90

An econometric-process simulation model was constructed to investigate the effects of an Emissions Trading Scheme (ETS …

Persistent link: https://www.econbiz.de/10010573014

Analysis of design variables for an efficient natural gas steam reforming process comprised in a small scale hydrogen fueling station

Lee, Deuk Ki; Koo, Kee Young; Seo, Dong Joo; Yoon, Wang Lai - In: Renewable Energy 42 (2012) C, pp. 234-242

Natural gas steam reforming process comprised in a small scale H2-fueling station for on-site hydrogen production was simulated and analyzed. The effects of process variables on the process efficiency of hydrogen production were investigated, and their optimum set point values were suggested to...

Persistent link: https://www.econbiz.de/10011044465

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 … simulation and pinch analysis. Unlike the popular four-column (or 3 + 1 column) scheme, a medium-pressure column is added after …

Persistent link: https://www.econbiz.de/10011054302

Analyzing process uncertainty through virtual process simulation

Helquist, Joel H.; Deokar, Amit; Cox, Jordan J.; … - In: Business Process Management Journal 18 (2012) 1, pp. 4-19

Purpose – The purpose of this paper is to propose virtual process simulation as a technique for identifying and …/methodology/approach – Virtual process simulation involves the creation of graphical models representing the process of interest and associated tasks … allocation can be used to manage uncertainty. Findings – The example illustrates the benefits of utilizing virtual process …

Persistent link: https://www.econbiz.de/10014687920

Ethylene separation by feed-splitting from light gases

Salerno, Daniel; Arellano-Garcia, Harvey; Wozny, Günter - In: Energy 36 (2011) 7, pp. 4518-4523

Separation of ethylene from light gas mixture is one of the most energy intensive separations in petrochemical processes, which uses distillation columns up to 100 m tall and containing over 100 trays due to very small differences in the relative volatilities and very large reflux ratios and...

Persistent link: https://www.econbiz.de/10011054221

Optimal design of distillation column using three dimensional exergy analysis curves

Khoa, T.D.; Shuhaimi, M.; Hashim, H.; Panjeshahi, M.H. - In: Energy 35 (2010) 12, pp. 5309-5319

This paper presents two main contributions. Firstly, a new exergy graphical method is proposed for optimal design of distillation column with minimum exergy lost. The method is applicable to both grass-root and retrofit cases, respectively. The effect of design and operating parameters of a...

Persistent link: https://www.econbiz.de/10010808726