Journal
ENVIRONMENTAL ENGINEERING RESEARCH
Volume 21, Issue 4, Pages 393-400Publisher
KOREAN SOC ENVIRONMENTAL ENGINEERS
DOI: 10.4491/eer.2015.151
Keywords
Biomass; Dairy wastewater; Lipid content; Microalgae; Separation; Wastewater treatment
Categories
Funding
- National Research Foundation of Korea (NRF) - Ministry of Education, Science, and Technology [2016005271]
- Catholic Kwandong University [201604480001]
- National Research Foundation of Korea [2016R1A1A3A04005271] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The aim of this study was to evaluate the biomass production and dairy wastewater treatment using Chlorella vulgaris. The results indicated that the maximum percentages of biochemical oxygen demand, chemical oxygen demand, suspended solids, total nitrogen, and total phosphorus removed were 85.61%, 80.62%, 29.10%, 85.47%, and 65.96%, respectively, in dairy effluent at 10 d. A maximum of 1.23 g/L dry biomass was obtained in 7 d. The biomass productivity was strongly influenced by the nutrient reduction in the dairy effluent. The biodiesel produced by the C. vulgaris in the dairy effluent was in good agreement with the American Society of Testing and Materials-D6751 and European Standards 14214 standards. Therefore, using dairy effluent for microalgal cultures could be a useful and practical strategy for an advanced, environmentally friendly treatment process.
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