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A LCA Study of Activated Carbon Adsorption and Incineration in Air Pollution Control
Högskolan i Borås, Institutionen Ingenjörshögskolan.
2010 (engelsk)Independent thesis Advanced level (degree of Master (One Year))Oppgave
Abstract [en]

The main purpose of this thesis was to compare GAC adsorption method, VOCs incineration method and Non-treatment alternative by using LCA to find which method or alternative is environmentally preferable. The LCA framework proposed by ISO 14040 (1997) has been considered in this research. The comparison was made by considering a flue gas contaminated by toluene (with three different concentration 100, 1000, 2000 mg/m3). The plant location where the polluted flue gas is emitted has been assumed to be located in Borås, Sweden. The flow rate of emitted flue gas was 10000m3/hr. The present thesis report contains two main parts. The results of LCA showed that when the toluene concentration is low (< 100 mg/m3), GAC adsorption method, Non-treatment alternative and VOCs incineration method are respectively preferable from environmental point of view. On the other side, when the toluene concentration of inlet stream is high (>1000 mg/m3), the order of GAC adsorption method, incineration and Non-treatment alternative is more desirable. Furthermore, the results illustrated that as toluene plays the role of fuel as a hydrocarbon, VOCs incineration method is much more suitable when toluene concentration is high due to lower demand on additional fuel. In the other words, high toluene concentration of influent leads to less environmental impact when VOCs incineration method is exploited. Conversely, the environmental impact of GAC adsorption method is increased when the inlet concentration of toluene is escalated. In overall, the weighted result showed that GAC adsorption method is the most preferable method while Non-treatment alternative is the worst.

sted, utgiver, år, opplag, sider
University of Borås/School of Engineering , 2010.
Serie
Magisteruppsats
Emneord [en]
life cycle assessment (lca), granular activated carbon, vocs incineration, thermal oxidation, off- gas treatment, toluene removal
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Identifikatorer
URN: urn:nbn:se:hb:diva-19680Lokal ID: 2320/5847OAI: oai:DiVA.org:hb-19680DiVA, id: diva2:1311614
Tilgjengelig fra: 2019-04-30 Laget: 2019-04-30

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