Removal of ammonium and phosphorus ions from synthetic wastewater by the microalgae Chlorella vulgaris coimmobilized in alginate beads with the microalgae growth-promoting bacterium Azospirillum brasilense

de‐Bashan, Luz E.; Moreno, Manuel; Hernández, Juan-Pablo; Bashan, Yoav

doi:10.1016/s0043-1354(01)00522-x

Cited by 289 publications

(138 citation statements)

References 31 publications

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“…Microalgae could accumulate large amounts of phosphorus within their cells in the form of polyphosphates upon starvation of the cells. 28 Aer the available total phosphorus in the inuent was exhausted, algal growth was still sustained until the available total nitrogen concentration was also depleted. Although these algae species removed efficiently TN and TP in the present study, …”

Section: Removal Of Nutrientsmentioning

confidence: 99%

Simultaneous removal of inorganic and organic compounds in wastewater by freshwater green microalgae

Zhou

Ying

Liu

et al. 2014

Environ. Sci.: Processes Impacts

143

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Batch experiments were carried out for 7 days to investigate the simultaneous removal of various organic and inorganic contaminants including total nitrogen (TN), total phosphorus (TP), metals, pharmaceuticals and personal care products (PPCPs), endocrine disrupting chemicals (EDCs), and estrogenic activity in wastewater by four freshwater green microalgae species, Chlamydomonas reinhardtii, Scenedesmus obliquus, Chlorella pyrenoidosa and Chlorella vulgaris. After treatment for 7 days, 76.7-92.3% of TN, and 67.5-82.2% of TP were removed by these four algae species. The removal of metals from wastewater by the four algae species varied among the metal species. These four algae species could remove most of the metals efficiently (>40% removal), but showed low efficiencies in removing Pb, Ni and Co. The four algae species were also found to be efficient in removing most of the selected organic compounds with >50% removal, and the estrogenic activity with removal efficiencies ranging from 46.2 to 81.1% from the wastewater. Therefore, algae could be harnessed to simultaneously remove various contaminants in wastewater. Environmental impactDomestic wastewater contains various inorganic and organic contaminants, which could pose risks to the environment and public health. To avoid these adverse effects, wastewater must be treated prior to its nal discharge into the receiving environment. Unfortunately, incomplete removals have oen been reported for these contaminants in wastewater by conventional wastewater treatment technologies. The use of microalgae in the treatment of wastewater has gained great interest over the past few years. However, previous studies on wastewater treatment by algae have been limited and most of them are focused on the removal of inorganic or organic pollutants in articial wastewaters. This study investigated the simultaneous removal capacity of inorganic (nitrogen, phosphorus and metals) and organic pollutants (PPCPs and EDCs) by four freshwater microalgae, and also evaluated the elimination of estrogenic activity in the wastewater by these algae species. The results demonstrated that simultaneous removal of various contaminants in wastewater was achieved, which showed potential application of these algae species in the wastewater treatment.

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Section: Removal Of Nutrientsmentioning

confidence: 99%

Simultaneous removal of inorganic and organic compounds in wastewater by freshwater green microalgae

Zhou

Ying

Liu

et al. 2014

Environ. Sci.: Processes Impacts

143

View full text Add to dashboard Cite

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Section: Introductionmentioning

confidence: 99%

Optimization of Environmental Parameters on Microbial Degradation of Reactive Black Dye

Shah¹,

Pate²

2013

J Bioremed Biodeg

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The study involved isolation of bacteria possessing high potential to degrade Reactive Black azo dye in liquid medium. Eighty four strains of bacteria were isolated through enrichment technique by using Reactive Black azo dye as the source of carbon and nitrogen in the mineral salt medium. Bacterial strains showing high decolorization rate were used to optimize the decolorization of Reactive Black azo dye in liquid culture. The optimum conditions determined for the four selected bacterial strains for decolorization of Reactive Black (250 mg L -1 ) were pH 7.0, temperature 32°C, when dye solution was supplemented with 0.5% yeast extract as a co-substrate. Out of these four strains, two strains ETL-1 (Klebsiella oxytoca) and ETL-2 (Bacillus subtillis) showed an excellent potential to decolorize 500 mg L -1 Reactive Black in 6 h in the liquid broth. Journal of Bior emediation & Biodegradation

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“…In recent years a number of studies have focused on some microorganisms capable of degrading and absorbing dyes from wastewater. A wide variety of microorganisms are reported to be capable of decolonization of dyes [11][12][13][14][15][16][17][18][19][20][21][22][23][24]. The current study has evaluated the potential of isolated bacterial strain from textile effluent for their decolorization efficiency of the textile dye, Remazol Black B under in vitro conditions and optimization of the factors influencing the process.…”

Section: Introductionmentioning

confidence: 99%

Microbial degradation of Textile Dye (Remazol Black B) by Bacillus spp. ETL-2012

Shah¹

2012

J Bioremed Biodeg

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Removal of ammonium and phosphorus ions from synthetic wastewater by the microalgae Chlorella vulgaris coimmobilized in alginate beads with the microalgae growth-promoting bacterium Azospirillum brasilense

Cited by 289 publications

References 31 publications

Simultaneous removal of inorganic and organic compounds in wastewater by freshwater green microalgae

Simultaneous removal of inorganic and organic compounds in wastewater by freshwater green microalgae

Optimization of Environmental Parameters on Microbial Degradation of Reactive Black Dye

Microbial degradation of Textile Dye (Remazol Black B) by Bacillus spp. ETL-2012

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