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Chlorella stigmatophorafor Urban Wastewater Nutrient Removal and CO2Abatement

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Aug 2012 Morocco, Spain Publisher:Informa UK LimitedJournal:International Journal of Phytoremediation, volume 14, pages 714-725 (issn: 1522-6514, eissn: 1549-7879,

Authors: Arbib, Zouhayr; Ruiz, Jesús; Álvarez Díaz, Pablo David; Garrido Pérez, Carmen; Barragán Sánchez, Jesús; Perales Vargas-Machuca, José Antonio;

doi: 10.1080/15226514.2011.619237

pmid: 22908639

Chlorella stigmatophorafor Urban Wastewater Nutrient Removal and CO2Abatement

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Abstract

Batch experiments were performed to study biomass growth rate, nutrient removal and carbon dioxide bio-fixation of the marine microalgae Chlorella stigmatophora. Four different cultures at different salinities were tested: wastewater (WW), synthetic wastewater (SWW), seawater (SW) and diluted seawater (DSW). Experimental results showed that Chlorella stigmatophora grew satisfactorily in all culture media, except in SWW where inhibition occurred. In all cases, biomass experimental data were fitted to the Verlhust Logistic model (R2 > 0.982, p DSW>SW. In order to compare nitrogen and phosphorous removal kinetics, an estimation of the time required to reach the most restrictive concentration of total N and P in effluents as defined in the Directive 98/1565/CE (10 mg sigmaNL(-1) (T10(N)) and 1 mg sigmaPL(-1) (T1(p)) was performed. In the WW test T10(N) and T1(p) needed were of 45.15 and 32.27 hours respectively and at the end of the experimental the removal was in both 100%.

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Morocco, Spain

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Keywords

Time Factors, Nitrogen, Chlorella, Waste Disposal, Fluid, Water Purification, nutrients, Seawater, Biomass, Cities, wastewater, microalgae, carbon dioxide, Phosphorus, Carbon Dioxide, Carbon, Chlorella stigmatophora, Biodegradation, Environmental, Water Pollutants, Chemical

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