SUPERCRITICAL AND CATALYTIC FLUID EXTRACTIONS OF TEA WASTES
作者:
Ayhan Demirbaş,
Atila Çaglar,
Alipaşa Ayas,
Selami Karslioglu,
期刊:
Fuel Science and Technology International
(Taylor Available online 1996)
卷期:
Volume 14,
issue 3
页码: 395-404
ISSN:0884-3759
年代: 1996
DOI:10.1080/08843759608947586
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Air dried and ground tea waste was subjected to supercritical and catalytic fluid extraction by using water or acetone as solvent at different temperatures. The most important reactions variables were temperature and ratio of catalyst to the solid sample. The yields of the catalytic fluid reaction have been increased from 70.3 % to 92.4 % as the temperature increased from 230 °C to 340 °C by using water as solvent. The yield of extract was obtained from non catalytic supercritical water extraction was about 50.0 % at380°C.
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