Continuous culture of the microalgae Schizochytrium limacinum on biodiesel-derived crude glycerol for producing docosahexaenoic acid

Biorefinery for Glycerol Rich Biodiesel Industry Waste

“…In a medium supplemented with CG (30 g/L) had an EPA yield of 90 mg/L [94]. The growth kinetics and behaviors of the algae on CG has been effectively studied in continuous culture mode [98].…”

Production of High Docosahexaenoic Acid by <i>Schizochytrium</i> sp. Using Low-cost Raw Materials from Food Industry

“…There have been a number of efforts to use cheaper sources of carbon and nitrogen for DHA production. Sweet sorghum juice 14 , coconut water 15 , Shochu Distillery wastewater 16 and crude glycerol 17 have been used as C-sources, ammonia 18 and spent yeast autolysis 19 have been used as N-sources.…”

Conversion of residues and by-products from the biodiesel industry into value-added products

“…Glycerol is mainly produced by saponification process and is widely utilized in pharmaceutical and food industry (Ethier et al 2011). Besides the saponification process, glycerol is an abundant by-product of biodiesel production process.…”

“…Besides the saponification process, glycerol is an abundant by-product of biodiesel production process. Crude glycerol is the name given to the glycerol produced during biodiesel production (Dobroth et al 2011;Ethier et al 2011) and is a by-product of transesterification reaction that takes place between the fatty acids with methanol or ethanol to produce methyl esters. Crude glycerol represents about 10 % of the product output in biodiesel production (Sousa et al 2012); in fact, 1 kg of crude glycerol is produced per 12.6 L of biodiesel (Dobroth et al 2011).…”

“…Glycerol is the by-product that generates the largest interest, because it can involve the largest revenue for the biodiesel industry. Glycerol is the main by-product from biodiesel transesterification (Nitayavardhana and Khanal 2011;Ethier et al 2011); by 2016, the worldwide waste glycerol production is expected to reach 4 billion gallons ). However, the glycerol produced from biodiesel has low quality and low price ($0.05 per pound) and its purification for further applications is economically unviable (Nitayavardhana and Khanal 2011).…”