Open AccessThe Use of Supercritical Fluid Extraction in Carrier Recovery from a Spent Active Carbon–Zinc Acetate Catalyst
Author(s) -
Lidia Dąbek
Publication year - 2002
Publication title -
adsorption science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.682
H-Index - 36
eISSN - 2048-4038
pISSN - 0263-6174
DOI - 10.1260/026361702320360568
Subject(s) - chemistry , supercritical fluid , supercritical fluid extraction , zinc , leaching (pedology) , catalysis , extraction (chemistry) , hydrochloric acid , activated carbon , adsorption , inorganic chemistry , organic chemistry , soil science , environmental science , soil water
The present paper is aimed at showing the usefulness of supercritical fluid extraction in the removal of organic substances and zinc from the surface of a dangerous waste product, i.e. spent catalyst employed in the manufacture of vinyl acetate. The possibility of recovering active carbon (the carrier support for the catalyst concerned) so that it may be used in subsequent processes by combining supercritical fluid extraction with hydrochloric acid leaching has been demonstrated.
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