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Chemical Processes for a Sustainable Future
Edited by
Trevor Letcher;
Trevor Letcher
University of KwaZuluNatal, South Africa
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Darrell Patterson
Darrell Patterson
University of Bath, UK
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Hardback ISBN:
978-1-84973-975-7
PDF ISBN:
978-1-83916-864-2
Special Collection:
RSC eTextbook Collection
Product Type:
Textbooks
No. of Pages:
800
Publication date:
16 Dec 2014
Book Chapter
Chapter 23: The Application of Supercritical Carbon Dioxide Extraction of Functional Compounds
By
Ray Marriott
Ray Marriott
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Published:16 Dec 2014
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Special Collection: RSC eTextbook CollectionProduct Type: Textbooks
Page range:
603 - 627
Citation
R. Marriott, in Chemical Processes for a Sustainable Future, ed. T. Letcher, J. Scott, and D. Patterson, The Royal Society of Chemistry, 2014, ch. 23, pp. 603-627.
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The use of sub-critical and supercritical CO2 can selectively extract functional molecules from complex raw materials often avoiding lengthy and costly purification steps. Many of these raw materials are themselves sustainable plant products or waste streams leading to integrated, sustainable and economic manufacturing using CO2 as the process solvent. This chapter examines sustainable sources of CO2, process technology and the application of this technology in the extraction and fractionation of oleochemicals, terpenoids, alkaloids and metals.
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