Measurements of Benzene Destruction Efficiency in a Lab-Scale FlarePublic Deposited
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Glycol dehydrators, used to remove water vapour from raw natural gas, are a significant source of benzene emissions (a known human carcinogen). This thesis investigates the benzene destruction removal efficiency (DRE) and black carbon (BC) emissions when using flaring as an emissions control mechanism for glycol dehydrators. Experiments were performed in which fuel mixtures representative of glycol dehydrator still vent gas, plus other manipulated compositions, were combusted in a flare. In quiescent conditions the DRE of benzene was nearly 100%, but the presence of benzene increased BC yields. Considering data for Alberta, Canada, flaring could potentially reduce benzene emissions by a factor of 1000, but would increase total BC emissions from all flaring by ~56%. BC emissions could be partially mitigated by adding methane to the still gas mixture prior to flaring. Further work is recommended to investigate the effects of crosswinds on the benzene DRE in a flare.
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- Copyright © 2019 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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