Heavy metals are hazardous pollutants present in industrial and domestic waste water. The conventional methods for metal ions removal from wastewater are limited by technical and economic barriers, especially when concentration of metals in the wastewater is low (&lt;100 ppm). Therefore, developing efficient and low-cost metal removal processes is of great importance. In this research project, the metal biosorption of two species of microalgae, Neochloris minuta and Neochloris alveolaris, were tested in growth media supplemented with high (+N) and low (-N) nitrogen sources. The biosorption capacities were measured by quantifying the amount of lead, nickel, chromium, copper, cadmium, and lanthanum present in dried algal biomass using Atomic Absorption Spectroscopy. The biosorption capacities of the two microalgae for each specific metal under altered growth conditions are discussed.

Biosorption of metal ions by Neochloris minuta and Neochloris alveolaris alga grown in Bristol and nitrogen depleted media

251st National Meeting (2016)

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