Mixotrophic cultivation of Nephroselmis sp using industrial wastewater for enhanced microalgal biomass production
- Authors
- Ji, Min-Kyu; Yun, Hyun-Shik; Hwang, Buyng Su; Kabra, Akhil N.; Jeon, Byong Hun; Choi, Jaeyoung
- Issue Date
- Oct-2016
- Publisher
- ELSEVIER
- Keywords
- Nephroselmis sp.; Industrial wastewater; Mixotrophic culture; Biofuel feedstock
- Citation
- ECOLOGICAL ENGINEERING, v.95, pp.527 - 533
- Indexed
- SCIE
SCOPUS
- Journal Title
- ECOLOGICAL ENGINEERING
- Volume
- 95
- Start Page
- 527
- End Page
- 533
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/153871
- DOI
- 10.1016/j.ecoleng.2016.06.017
- ISSN
- 0925-8574
- Abstract
- Effect of liquid crystal display (LCD) wastewater on the biomass production and biochemical composition of a green microalga Nephroselmis sp. cultivated in Bold's Basal Medium (BBM) was investigated. Different dilutions (1/250-1/10,000) of LCD wastewater with BBM were tested in the presence of 5% flue gas CO2. Nephroselmis sp. showed the highest growth (0.37 g L-1), lipid productivity (14.2 mg L-1 day(-1)), carbohydrate productivity (12.5 mg L-1 day(-1)), beta-carotene + lutein productivity (74.2 mu g L-1 day(-1)) and nutrientremoval (35.0 mg TN L-1 and 11.6 mg TP L-1) with 1/1000 diluted LCD wastewater after 6 days of cultivation. Cultivation with LCD wastewater increased the microalgal saturated and monounsaturatedfatty acid contents up to 9 and 24%, respectively. Application of LCD wastewater improved the growth, lipid/carbohydrate/carotenoids productivity and nutrient removal efficiency of Nephroselmis sp., which can be a cost effective strategy for microalgal biomass production.
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