Journal of Food, Agriculture and Environment

Treatment of domestic waste water with Botryococcus braunii (Cholorophyceae)

Author(s):

Şafak Seyhaneyildiz Can ¹*, Veysel Demır ¹, Şengul Aslan Korkmaz ¹, Erkan Can ²

Recieved Date: 2013-08-10, Accepted Date: 2013-10-20

Abstract:

Wastewater is relatively rich in nitrogen, phosphorus and other nutrients. If this water was given to recipient environment such as freshwater and marine systems without treatment, it causes major environmental problems. Although these compounds are very harmful for the environment, they are also principal nutritional sources for algae. The most important cost increasing factor in the production of biodiesel from algae is the raw materials. For this reason, applying algae culture to wastewater will not only remove a pollutant agent but also prevent the use of expensive chemicals for the production of algae, and make algae production more economical as well. In this study, domestic wastewater subjected only to the primary settling process was used as nutrient media that were prepared as control (without dilution), 25, 50 and 75% diluted with distilled water, and Botryococcus braunii (Kutzing) was cultured in these nutrient environments for 20 days. The analysis conducted at the end of the 20^th day showed that B. braunii consumed nitrite, nitrate, phosphate and ammonium from wastewater as nutrients, and increased their biomass and its lipid amount. Although the highest biomass increase was determined at the wastewater medium without dilution, the highest lipid production was found out in group 4 that diluted 75% (v/v) with distilled water.

Keywords:

Wastewater treatment, Botryococcus braunii, lipid

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Journal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 2128-2130

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