Underground diesel exhaust wet scrubbers: current status and future prospects

Abdulwahid, Ahmed Adeeb, Situ, Rong, and Brown, Richard J. (2018) Underground diesel exhaust wet scrubbers: current status and future prospects. Energies, 11 (11). 3006.

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Abstract

Diesel engines release a range of harmful components into the environment in the form of gases, liquids, and particulate matter (PM). These components have a direct and indirect impact on human health and climate change. Wet scrubbers are used to clean diesel exhaust emissions, by bubbling them through a liquid (usually water) to reduce their temperature and remove some soluble components and particles. Then, these emissions pass through a filter to remove further diesel particulate matter. The PM-capturing mechanism, heat transfer mechanism, and fluid mechanism of a wet scrubber are reviewed. Several parameters have a major influence on wet scrubber performance, such as inlet gas velocity. Modeling of a wet scrubber can be conducted through thermodynamics analysis, heat transfer analysis, and computational simulation. These investigations may lead to optimizing wet scrubber performance, and then to reducing both humidity and temperature at the scrubber exit. This humidity reduction increases filter life and reduces maintenance costs.

Item ID: 56724
Item Type: Article (Research - C1)
ISSN: 1996-1073
Keywords: wet scrubber, two-phase flow, particulate matter, diesel exhaust, underground mining, heat transfer
Copyright Information: © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Date Deposited: 26 Dec 2018 07:33
FoR Codes: 09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 50%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091505 Heat and Mass Transfer Operations @ 50%
SEO Codes: 85 ENERGY > 8502 Mining and Extraction of Energy Resources > 850201 Coal Mining and Extraction @ 50%
85 ENERGY > 8598 Environmentally Sustainable Energy Activities > 859801 Management of Gaseous Waste from Energy Activities (excl. Greenhouse Gases) @ 50%
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