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International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN Imprimir: 1521-9429
ISSN On-line: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v22.i1.70
pages 77-88

Application of Immobilized Microalgae for Native Wastewater Treatment

M. Ameri
Department of Plant Science, Faculty of Biological Science, Kharazmi University, Tehran, Iran
R. A. Khavari-Nejad
Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran; Department of Plant Science, Faculty of Biological Science, Kharazmi University, Tehran, Iran
N. Soltani
Department of Petroleum Microbiology, Research Institute of Applied Science, ACECR, Tehran, Iran; Research Institute of Environment and Sustainable Development, DOE, Tehran, Iran
F. Najafi
Department of Plant Sciences, Faculty of Biological Sciences, Khwarizmi University, Tehran, Iran
A. Bagheri
Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran

RESUMO

Using bio-absorbents for treating industrial and domestic wastewater research have been recently increased. The dual application of microalgae for wastewater treatment and biomass production is a feasible way to reduce environmental problem. In this regard, the use of local microalgae in free and immobilized forms in native and diluted industrial wastewater was investigated. Immobilization was studied in alginate matrix, together with barium or calcium chloride cross link agents with other polymers and salts (chitosan, methyl cellulose, PVP, and CaCO3). Algae in both forms showed capability of absorption of nutrients and metal ions according to ICP and COD measurement. The results showed that using the immobilized form is superior due to the ease of harvest and possibility of alginate in metal ions' chelation in a short time in comparison with free form.

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