Dr. Yoav Bashan, Dr. Luz Gonzalez de Bashan
and M. Sc. Juan-Pablo Hernandez
Water bioremediation and advanced wastwater treatments (basic
and applied studies)
Version January 2008
Goal: Develop concepts and technologies on how to recycle used water (wastewater) in arid lands with unique combinations of microalgae and microalgae growth-promoting bacteria.
For More PDF files of earlier papers go to: Environmental Microbiology
Website.
External Collaborators
Profesora. Luz T. Valderrama,
Pontificia Universidad Javeriana Colombia.
Profesor. Hani Antoun,
Laval University, Canada
Dr. Drora Kaplan,
Ben Gurion University, Israel
Dr. Zvi Hacohen,
Ben Gurion University, Israel
Ing. Abigail Solano, La Paz Wastewater Treatment Facility, La Paz, Mexico.
Transmission electron microscopy of the plant growth-promoting
bacterium Azospirillum brasilense (Az) sharing the same cavity
( c ) within alginate beads (Al) with the microalga Chlorella vulgaris
(ch). This unique preparation is used for wastewater treatment.
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-Microalgae used in the nutrient removal from wastewaters.
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-Microalgae and the bacterium A. brasilense
coimmobilized in alginate beads.
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-The microalgae and bacteria coimmobilized in alginate
beads are cultivated in semicontinuos systems in a fermentor.
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Growth under extreme conditions. Growth of the wastewater treatment
microalgae (Chorella sorokiniana) in high light intensity photoreactor.
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Most relevant publications in the last 5 years:
- Lebsky, V.K., Gonzalez-Bashan, L.E., and Bashan, Y. 2001. Ultrastructure
of coimmobilization of the microalga Chlorella vulgaris with
the plant growth-promoting bacterium Azospirillum brasilense
and with its natural associative bacterium Phyllobacterium
myrsinacearum in alginate beads.
Canadian Journal of Microbiology 47 : 1-8.
- de-Bashan, L.E., Moreno, M., Hernandez, J.P., and Bashan, Y. 2002. Removal
of ammonium and phosphorus ions from syntetic waste water by the microalgae
Chlorella vulgaris coimmobilized in alginate beads with
the microalgae growth-promoting bacterium Azospirillum brasilense
.
Water Research 36: 2941-2948.
- Valderrama, L.T., Del Campo, C.M., Rodriguez, C.M., de-Bashan, L.E., and Bashan, Y. 2002. Treatment of
recalcitrant wastewater from ethanol and citric acid production using the microalgae Chlorella
vulgaris and the macrophyte Lemna minuscule.
Water Research 36: 4185-4192
- de-Bashan, L.E., Bashan, Y., Moreno, M., Lebsky, V.K., and Bustillos,J.J.
2002. Increased pigment and lipid content, lipid variety, and cell and population
size of the microalgae Chlorella spp. when co-immobilized in alginate
beads with the microalgae-growth-promoting bacterium Azospirillum brasilense
.
Canadian Journal of Microbiology 48: 514-521.
- de-Bashan,
L. E. and Bashan, Y. 2003. Bacterias promotoras de crecimiento de
microalgas: una nueva aproximación en el tratamiento de aguas residuales
(Microalgae growth-proomoting bacteria: a novel approach in wastewater
treatment).
Revista
Colombiana de Biotecnología 5: 85-90.
- de-Bashan, L.E. and Bashan, Y. 2004. Recent advances in removing phosphorus from wastewater and its future use as fertilizer (1997-2003). Water Research 38: 4222-4246
- de-Bashan L.E., Hernandez
J.-P., Morey, T., and Bashan, Y. 2004. Microalgae growth-promoting
bacteria as "helpers" for microalgae: a novel approach for
removing ammonium and phosphorus for municipal wastewater.
Water Research 38:466-474.
- de-Bashan, L.E., Antoun H., and Bashan, Y. 2005. Cultivation factors and population size control uptake of nitrogen by the microalgae Chlorella vulgaris when interacting with the microalgae growth-promoting baterium Azospirillum brasilense.
FEMS Microbiology Ecology 54: 197-203
- Hernandez, J-P., de-Bashan, L.E., and Bashan, Y. 2006. Starvation enhances phosphorus removal from wastewater by the microalgae Chlorella spp.co-immobilized with Azospirillum brasilense.
Enzyme and Microbial Technology 38: 190-198
- Yabur, R., Bashan Y., Hernández-Carmona G. 2007. Alginate from the macroalgae
Sargassum sinicola as a novel source for microbial immobilization material in wastewater treatment and plant growth
promotion. Journal of Applied Phycology 19: 43-53.
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