A Prospect to Develop Chlorella powder industry in Riau Province in order to eliminate waters pollution by Palm Oil Industry

Tengku Dahril, Aras Mulyadi

Abstract


Palm oil industries have been developing quickly in Riau Province. The study of the utilization of wastewater from the oil palm industry as a culture medium for Chlorella sp has been conducted from 2015 to 2017. The result of this study indicated that palm oil wastewater could promote the growth of Chlorella sp. The high density of Chlorella sp was found at a concentration of 20, % of wastewater with a cell density of 6.5 x 10⁶ cells/ml and biomass reached about 0.36 g/l. The concentration of nitrate in culture medium decreased from 13.8 mg/l at the beginning to 2.4 mg/l at the end, and phosphate decreased from 2.26 mg/l at the beginning to 0.17 mg/l at the end of 20 days study periods. Based on this study, it can be concluded that wastewater from Palm oil industry can promote the growth and production of Chlorella sp, so it is a prospect to develop Chlorella powder industry in Riau Province in order to eliminate waters pollution by Palm Oil Industry.

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