Reactions with CO/H sub(2)O of Two Marine Algae and Comparison with Reactions under H sub(2) and N sub(2)

The reactions of a strain of marine alga Chlorococcum sp. and of a polystrain containing a mixture of marine algae with CO/H sub(2)O have been studied. The yields and chemical composition of the products obtained from the reactions with CO/H sub(2)O were compared with those using N sub(2) and H sub(...

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Published inEnergy & fuels Vol. 28; no. 5; pp. 3143 - 3156-3143-3156
Main Authors Subagyono, Dirgarini JN, Marshall, Marc, Jackson, WRoy, Chow, Meechin, Chaffee, Alan L
Format Journal Article
LanguageEnglish
Published 15.05.2014
Subjects
Algae
Carbon monoxide
Catalysis
Chemical composition
Chlorococcum
Composition effects
Dewatering
Iron
Marine
Strain
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Summary:The reactions of a strain of marine alga Chlorococcum sp. and of a polystrain containing a mixture of marine algae with CO/H sub(2)O have been studied. The yields and chemical composition of the products obtained from the reactions with CO/H sub(2)O were compared with those using N sub(2) and H sub(2). The effects of selected potential catalysts (Na sub(2)CO sub(3), NaAlO sub(2), and Fe) and the water-to-algae ratio on the product yields and composition when the reactions were carried out under CO/H sub(2)O are also described. Both algae gave high product yields at 285 degree C, but the quality of the product as a liquid fuel increased at higher temperature. The reactions with CO/H sub(2)O tended to give higher oil yields and higher-quality products (lower nitrogen, higher atomic H/C ratio) than those using H sub(2) or N sub(2) and, in addition, reduced the amount of dewatering of the algae that is required.
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ISSN:0887-0624
1520-5029
DOI:10.1021/ef500267r