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Optimization of Alkaline Flocculation for Harvesting of Scenedesmus quadricauda #507 and Chaetoceros muelleri #862
Huo, Shuhao1,3; Wang, Zhongming2; Zhu, Shunni2; Cui, Fengjie1; Zou, Bin1; You, Wenhua4; Yuan, Zhenhong2; Dong, Renjie3
2014-09-01
Source PublicationENERGIES
Volume7Issue:9Pages:6186-6195
AbstractA response surface methodology (RSM) was used to evaluate the effects of pH and microalgal biomass concentration (BC) on alkaline flocculating activity for harvesting one freshwater green algae Scenedesmus quadricauda #507 and one marine diatom Chaetoceros muelleri #862. The pH value and BC were in range of 9.0-12.0 and 0.20-2.30 g/L, respectively. Very high regression coefficient between the variables and the response indicates excellent evaluation of experimental data by second-order regressions. Optimum conditions for flocculating activity were estimated as follows: (i) pH 11.6, BC 0.54 g/L for strain #507 and (ii) pH 11.5, BC 0.42 g/L for strain #862. The maximum flocculating activity was around 94.7% and 100%, respectively. Furthermore, the addition of synthetic ocean water (SOW) to the freshwater #507 culture can increase the flocculating activity from 82.13%-88.79% in low algae concentration (0.52 g/L) and 82.92%-95.60% in high concentration (2.66 g/L).
SubtypeArticle
KeywordMicroalgae Harvesting Flocculation Alkaline Response Surface Methodology Synthetic Ocean Water
WOS HeadingsScience & Technology ; Technology
DOI10.3390/en7096186
WOS Subject ExtendedEnergy & Fuels
WOS KeywordCHLORELLA-VULGARIS ; PH INCREASE ; MICROALGAE ; MAGNESIUM ; CULTURES ; GROWTH
Indexed BySCI
Language英语
WOS SubjectEnergy & Fuels
WOS IDWOS:000343111600032
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10649
Collection中国科学院广州能源研究所
Affiliation1.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.China Agr Univ, Coll Engn, Beijing 100083, Peoples R China
4.Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212013, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Huo, Shuhao,Wang, Zhongming,Zhu, Shunni,et al. Optimization of Alkaline Flocculation for Harvesting of Scenedesmus quadricauda #507 and Chaetoceros muelleri #862[J]. ENERGIES,2014,7(9):6186-6195.
APA Huo, Shuhao.,Wang, Zhongming.,Zhu, Shunni.,Cui, Fengjie.,Zou, Bin.,...&Dong, Renjie.(2014).Optimization of Alkaline Flocculation for Harvesting of Scenedesmus quadricauda #507 and Chaetoceros muelleri #862.ENERGIES,7(9),6186-6195.
MLA Huo, Shuhao,et al."Optimization of Alkaline Flocculation for Harvesting of Scenedesmus quadricauda #507 and Chaetoceros muelleri #862".ENERGIES 7.9(2014):6186-6195.
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