Source:http://linkedlifedata.com/resource/pubmed/id/10863018
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
2000-9-8
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pubmed:abstractText |
A quantitative study of the influence of inlet sulfur dioxide concentration (600-3000 ppm), relative humidity (20-60%), reactor temperature (56-86 degrees C) and different amounts (0-30 wt.%) of inorganic additives (NaCl, CaCl(2) and NaOH) on gas desulfurization has been carried out in a continuous downflow fixed-bed reactor containing calcium hydroxide diluted with silica sand. Results show that the reaction rate does not depend on sulfur dioxide partial pressure (zero-order kinetics) and that the temperature and the relative humidity have a positive influence on reaction rate. An apparent activation energy of 32 kJ/mol Ca(OH)(2) has been estimated for the reaction. An empirical reaction rate equation at 71.5 degrees C and 36.7% relative humidity that includes the type and amount of additive is proposed. It has been found that calcium chloride is the best additive studied because it allows for a higher degree of sulfur dioxide removal.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Aug
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pubmed:issn |
0304-3894
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
28
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pubmed:volume |
76
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
113-23
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pubmed:dateRevised |
2009-11-3
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pubmed:meshHeading |
pubmed-meshheading:10863018-Air Pollution,
pubmed-meshheading:10863018-Calcium Hydroxide,
pubmed-meshheading:10863018-Gases,
pubmed-meshheading:10863018-Humidity,
pubmed-meshheading:10863018-Inorganic Chemicals,
pubmed-meshheading:10863018-Kinetics,
pubmed-meshheading:10863018-Power Plants,
pubmed-meshheading:10863018-Sulfur Dioxide,
pubmed-meshheading:10863018-Temperature
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pubmed:year |
2000
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pubmed:articleTitle |
Kinetic study of the reaction between sulfur dioxide and calcium hydroxide at low temperature in a fixed-bed reactor.
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pubmed:affiliation |
Chemical Engineering Department, Faculty of Chemistry, University of Barcelona, C/ Martí i Franqués 1, 08028, Barcelona, Spain. felipe@angel.qui.ub.es
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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