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Naslov:Multi-criteria optimization in a methanol process
Avtorji:ID Kovač Kralj, Anita (Avtor)
ID Glavič, Peter (Avtor)
Datoteke:URL http://dx.doi.org/10.1016/j.applthermaleng.2008.05.015
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FKKT - Fakulteta za kemijo in kemijsko tehnologijo
Opis:Opportunities for additional profit in retrofits depend very much on the existing plant structure, its parameters and energy system. Combined production of heat flow rate, power and chemical products can improve process efficiency. This paper presents an application of the nonlinear programming (NLP) optimization techniques, including increased chemical product output, heat integration and electricity cogeneration by changing amount flow ratios of raw material, and modifying the separation and reaction systems. The existing NLP model has been extended with basic chemical kinetics, including the effects of changing raw material flow rate ratios on product yield. A case studied methanol plant was optimized using the NLP model developed earlier by including an additional flow rate of hydrogen (H2), decreasing flowrate of high-pressure steam in crude methanol recycling, and increasing methanol production by 2.5%. The potential additional profit from the cogeneration and additional methanol production was estimated to be 2.51 MEUR/a.
Ključne besede:chemical processes, methanol, simultaneous optimization, NLP, cogeneration, flow rate ratios
Leto izida:2009
PID:20.500.12556/DKUM-27344 Novo okno
UDK:66.012:519.61/.64
COBISS.SI-ID:12545046 Novo okno
ISSN pri članku:1359-4311
NUK URN:URN:SI:UM:DK:P3LAUUD7
Datum objave v DKUM:01.06.2012
Število ogledov:1991
Število prenosov:105
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Področja:Ostalo
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Gradivo je del revije

Naslov:Applied thermal engineering
Skrajšan naslov:Appl. therm. eng.
Založnik:Elsevier Science
ISSN:1359-4311
COBISS.SI-ID:1861910 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:kemijska procesna tehnika, proizvodnja metanola, simultano optimiranje, nelinearno programiranje, kogeneracija


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