Table 4 Comparison between biomass productivity, lipid content, and lipid productivity between the mixotrophic fed-batch cultivation proposed in the present study and previous studies.
Microalga | Waste pretreatment | Medium | pH | Light intensity | Biomass | Lipid | Ref. | |
|---|---|---|---|---|---|---|---|---|
mgL− 1day− 1 | %w/w | mgL− 1day− 1 | ||||||
Synechococcus elongatus BDU 10,144 | Potato peel waste (PPW) (Ultrasonication) | PPW (10%) in fertilizer seawater medium | 9 | 50 µmol m− 2s− 1 (continuous) | 120.70 | - | - | (Chandra & Mallick, 2022) |
Tetraselmis indica | Kinnow peel (Homogenization) | Peel extract in sewage wastewater | 7 | 94.5 µmol m− 2s− 1 (16 light: 8 dark h) | 54.77 | 32 | 17.52 | Amit & Kumar Ghosh36 |
Scenedesmus obliquus | - | Food wastewater (1%) in Bold’s Basal medium | - | 120 µmol m− 2s− 1 (16 light: 8 dark h) | - | 19.7 | 13.30 | Ji et al.35 |
Chlorella sorokiniana | Potato, banana, and sweet lime (acid pretreatment followed by enzymatic hydrolysis) | 25% mixed waste in water | 7 | 5000 lx (16 light: 8 dark h) | 206.00 | 25.87 | 53.29 | Malakar et al.37 |
Chlamydomonas sp. RCC2488 (Malina) | Potato peel waste (acid pretreatment in autoclave followed by enzymatic hydrolysis) | 10% v/v PPH in modified f/2 medium | - | 120 µmol m− 2s− 1 (continuous) | 39.3 | 45.00 | - | Urme et al.9 |
Spirulina sp. | Potato peel waste (acid pretreatment in autoclave followed by enzymatic hydrolysis) | 10% v/v PPH in BG-11 medium | 7.5 | 2000 lx (12 dark:12 light h) | 59.84 | 19.87 | - | Nguyen11 |
Tetradesmus obliquus | Potato peel waste (Fungal fermentation) | 1% v/v potato peel hydrolysate every 2 days (synthetic medium) | 11 | 48.4 µmol m− 2s− 1 (continuous) | 75.65 | 32.24 | 24.39 | This study |
