CULTIVATION OF CHLORELLA VULGARIS MICROALGAE IN WASTEWATER

Zamfira DINCA, Anamaria Iulia TÖRÖK, Ana MOLDOVAN, Emilia Iuliana NEAG

Abstract


In this work, the potential of Chlorella vulgaris microalgae for wastewater treatment was investigated. Parameters, such as pH, conductivity, COD, BOD, TOC and metals content were measured before and after the treatment of wastewater with Chlorella vulgaris microalgae. Chlorophyll a, chlorophyll b and the total amounts of carotenoids in microalgae biomass were determined using methanol as extraction solvent. A decreased trend of photosynthetic pigments was observed in the biomass after wastewater treatment, compared with the control biomass. Removal efficiencies up to 68.1% for Pb, 60.1% for Al, 53.6% for Zn, 51.7% for Cr, 51.6% for Cu and 40% for Cd were obtained. The BOD removal efficiency was 78.9%, while total organic carbon removal efficiency was 42% and COD removal efficiency was only 13.6%.


Keywords


biomass, heavy metals, microalgae, removal efficiency

Full Text:

PDF


DOI: http://dx.doi.org/10.15835/agrisp.v115i3-4.13951



Copyright (c) 2020 Zamfira DINCA, Anamaria Iulia TÖRÖK, Ana MOLDOVAN, Emilia Iuliana NEAG

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

AGRICULTURA
AcademicPres
University of Agricultural Sciences and Veterinary Medicine
3-5 Manastur St., 400372 Cluj-Napoca, Romania
Tel: +40-264-596.384 | Fax: +40-264-593.792 
biroupublicatii@usamvcluj.ro