Catalytically enhanced absorption of sulphur species from odorous air streams: A new technology for odour abatement

Fred E. Hancock, Frank King, Wendy R. Flavell, M. Saiful Islam

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Nuisance odours, often containing sulphur species, are a high profile emission from many types of plants in the process industries. In particular in the food processing industries and sewage treatment sulphur compound emissions are common. These sulphur species are usually very easy to oxidise and their removal from the gas stream by absorption into a dilute aqueous oxidising agent can be effective in de-odorising the air (F.H.H. Valentin, A. North, Odour Control - A Concise Guide, Warren Spring, UK, 1980). However, it is possible to increase the oxidative reaction rate with a catalyst and this enhancement in reaction rate can be such that for most applications (E.H. Stitt, F.J. Taylor, K. Kelly, Catalytically enhanced packed tower scrubbing, in: Proceedings of the Emerging Solutions to VOC & Air Toxics Control, Clearwater Beach, FA, AWMA, 1996), the catalytic process will be the commercial solution. This paper will discuss research undertaken to investigate the source of the oxidative properties of the catalyst. © 1998 Elsevier Science B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)289-296
    Number of pages7
    JournalCatalysis Today
    Volume40
    Issue number4
    Publication statusPublished - 14 May 1998

    Keywords

    • Catalytic enhancement
    • Odour removal

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