๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Extraction of solid fuels with sub- and supercritical water

โœ Scribed by Muammer Canel; Peter Missal


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
400 KB
Volume
73
Category
Article
ISSN
0016-2361

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โœฆ Synopsis


Two Turkish lignites and an oil shale were extracted with water in the sub-and supercritical states. With the non-isothermal experimental technique used, it was possible to determine in one experiment the kinetic data as well as conversion degree and yield. A simple reaction-kinetic model was used to obtain the activation energies and the pre-exponential factors for extraction with water.


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Supercritical fluid extraction of pestic
โœ John L. Ezzell; Bruce E. Richter ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 410 KB

## Abstract Solid phase extraction (SPE) was evaluated as a sample pretreatment method prior to supercritical fluid extraction (SFE) of pesticides or phthalate esters from spiked water samples. ODS, Florisil, Tenax GC and XAD4 resin were evaluated for their abilities to retain a mixture of 5 pestic