Linked Life Data

19031906

Source:http://linkedlifedata.com/resource/pubmed/id/19031906

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
21
pubmed:dateCreated
2008-11-26
pubmed:abstractText
A novel combined system of irradiation by microwaves and ultrasound is used to efficiently destroy phenol in aqueous solutions via sono-generated hydroxyl radicals and H2O2, in conjunction with the rapid thermal effect of microwaves on polar chemicals. Microwave irradiation enhances the sono-degradation of phenol without any additional catalyst although the effect is more marked when H2O2 is added. The degradation of phenol by MW or US alone or by combined irradiation of MW-US follows zero order kinetics. Degradation rate constants and yields of the main intermediates, catechol and hydroquinone, follow the order of MW-US > MW > US. The degradation rate also increases with higher reaction temperature in the MW reactor. The synergistic effects of MW and US were observed at 93 degrees C without addition of H2O2 and at 60 degrees C with addition of H2O2.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0013-936X
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
42
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
8083-7
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Degradation of phenol under combined irradiation of microwaves and ultrasound.
pubmed:affiliation
Institute of Technical Chemistry and Environmental Chemistry, Friedrich Schiller University Jena, Lessingstrasse 12, 07743 Jena, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't