Effect of Glucose Loading on the Growth Behavior of Chlorella vulgaris and Heterotrophic Bacteria in Mixed Culture

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dc.contributor.authorMayo, Aloyce W.
dc.contributor.authorNoike, Tatsuya
dc.date.accessioned2016-05-25T09:03:14Z
dc.date.available2016-05-25T09:03:14Z
dc.date.issued1994
dc.descriptionFull text can be accessed at http://www.sciencedirect.com/science/article/pii/0043135494901848en_US
dc.description.abstractThe effect of glucose concentration on the growth of Chlorella vulgaris and heterotrophic bacteria in mixed culture was studied. Granular glucose was fed daily as a source of organic carbon to provide an input concentration ranging from 25ā€“700 mg/l. Growth rates of heterotrophic bacteria and algae increased with glucose loading rate but excessive loading rates were detrimental to the survival of the algae and bacteria. The maximum specific growth rates for the algae and bacteria were 1.58 and 1.70 dāˆ’1, respectively. However, the saturation constants were significantly different with values of 27 and 174 mg/l for bacteria and algae, respectively. Under anaerobic conditions, bacterial density and algae growth were significantly affected by accumulation of volatile fatty acids (VFA). Although in low glucose loaded reactors, pH reached as high as 10.6, no significant effect of pH was observed on the survival of Chlorella vulgaris and heterotrophic bacteria. Inorganic carbon production increased with increasing glucose loading rate. When volatile fatty acids accumulated in anaerobic reactors, pH dropped resulting in a shift of equilibrium between H2CO3, HCO3āˆ’ and CO32āˆ’ in favor of H2CO3 production, most of which was released as CO2(g) to the atmosphere.en_US
dc.identifier.citationMayo, A.W. and Noike, T., 1994. Effect of glucose loading on the growth behavior of Chlorella vulgaris and heterotrophic bacteria in mixed culture. Water Research, 28(5), pp.1001-1008.en_US
dc.identifier.doi10.1016/0043-1354(94)90184-8
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2238
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectHeterotrophic bacteriaen_US
dc.subjectChlorella vulgarisen_US
dc.subjectGlucose loading rateen_US
dc.subjectGrowth rateen_US
dc.subjectOxidation pondsen_US
dc.titleEffect of Glucose Loading on the Growth Behavior of Chlorella vulgaris and Heterotrophic Bacteria in Mixed Cultureen_US
dc.typeJournal Articleen_US
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