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Table 3 Several bioprocesses integrated with wastewater bioremediation

From: Waste biorefinery towards a sustainable circular bioeconomy: a solution to global issues

Microbial strain Type of wastewater Results Reference(s)
Aspergillus oryzae Potato processing wastewater COD removal efficiency = 91%
Total soluble nitrogen removal efficiency = 98%
Total soluble phosphorus removal efficiency = 97%
Lipid concentration = 3.5 g/L
[84]
Bjerkandera adusta MUT 2295 Coloured wastewaters: textile industry wastewater, tannery industry wastewater and industrial dyes Bjerkandera adusta MUT 2295 effectively degraded and detoxified most of the coloured wastewaters [85]
Microalgae: Chlorella sorokiniana DBWC2 and Chlorella sp. DBWC7
Bacteria: Klebsiella pneumoniae ORWB1 and Acinetobacter calcoaceticus ORWB3
(co-culture of microalgae-bacteria consortium)
Raw dairy wastewater COD removal efficiency = 90.49%
Nitrate removal efficiency = 84.69%
Biomass concentration = 2.87 g/L
[86]
Chlorella vulgaris FACHB-31 Mixed piggery-brewery wastewater Ammonia removal efficiency = 100%
TN removal efficiency = 96%
TP removal efficiency = 90%
COD removal efficiency = 93%
Biomass concentration = 2.85 g/L
[87]
Chlorella vulgaris AG 30007 and Pseudomonas putida ATCC 17514 (co-culture of microalgae-bacteria consortium) Municipal wastewater COD removal efficiency = 86%
Nitrogen removal efficiency = 78–85%
Phosphorus removal efficiency = 54–65%
[88]
Chlorella vulgaris NIES-227
(co-culture of microalgae-bacteria consortium)
Sewage (activated sludge) COD removal efficiency = 82.7%
Nitrogen removal efficiency = 75.5%
TP removal efficiency = 100%
Biomass productivity = 343.3 mg/L/d
The biomass produced showed a higher calorific value and protein content
[89]
Micractinium sp. IC-76 Municipal wastewater Nitrogen removal efficiency = 96.4%
Phosphorus removal efficiency = 77.8%
Biomass productivity = 37.18 mg/L/d
Lipid content = 36.29%
[90]
Saccharomyces cerevisiae MAK-1 Olive mill wastewater Remarkable decolourisation (~ 63%) and phenol removal efficiency (~ 34% (w/w))
Co-production of bioethanol and lipids
[83]
Scenedesmus sp. (co-culture of microalgae-bacteria consortium) Starch wastewater (anaerobic sludge) Co-cultivation enhanced biohydrogen production and performed wastewater bioremediation
COD removal efficiency = 80.5%
Total nitrogen (TN) removal efficiency = 88.7%
Total phosphorus (TP) removal efficiency = 80.1%
Biohydrogen yield = 1508.3 mL/L
Total lipid concentration = 0.36 g/L
Energy conversion efficiency = 34.2%
[91]
Bacterial consortium ‘Bx’ Textile wastewater contains reactive dye Maximum decolourisation rates = 88–97%
Chemical oxygen demand (COD) removal efficiency = 95–98%
[92]
PHA-storing and filamentous bacteria Municipal wastewater COD removal efficiency = 70%
CODsol concentration removal efficiency = 60% (sol: soluble)
Nitrogen removal efficiency = 24%
Phosphorus removal efficiency = 46%
Co-produced PHA
[93]
Microbial community Lactate wastewater (obtained from cattle slaughterhouse) COD removal efficiency = 12–30%
Lactate removal efficiency = 54–99.8%
Biohydrogen yield = 0.08–0.95 mol H2/mol lactate uptake (by dark fermentation process)
Identified microbial = Clostridium, Sporanaerobacter and Pseudomonas
[94]
Sulphate reducing bacteria consortium Real wastewater from Okhla industrial area effluent Sulphate removal efficiency = 90%
Chromium removal efficiency = 82.6%
Cadmium removal efficiency = 86.6%
Zinc removal efficiency = 54.09%
Lead removal efficiency = 49.8%
Nickel removal efficiency = 10.3%
Oil and grease removal efficiency = 75%
[95]
Not specified (co-culture microbial consortium: microalgae, bacteria and other microscopic organisms) Domestic sewage TN removal efficiency = 72–83%
TP removal efficiency = 100%
[96]
Not specified Municipal biological wastewater COD removal efficiency = 83%
TN removal efficiency = 80%
PHA content = 49%
[97]