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20241023232522.0 |
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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2288656
|2 doi
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|a pubmed24n1577.xml
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|a (NLM)37997754
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Chatterjee, Soumasree
|e verfasserin
|4 aut
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1 |
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|a Potential of algal oil production from secondary treated sewage
|b a study using Chlorella vulgaris and synthetic wastewater
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.10.2024
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|a Date Revised 23.10.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a To assess the potential of using the secondary treated wastewater for the production of algal biofuel, batch experiments were carried out in photobioreactors using indigenous Chlorella vulgaris isolated from the natural freshwater body. Secondary treated wastewater with partial nitrification was simulated using various proportions of NO3-N and NH4-N while keeping the total nitrogen the same. Experiments with similar concentrations of nitrate without the NH4-N were used for comparison. In the presence of only NO3-N in the concentration range of 9-37 mg/L, the growth and fatty acid methyl ester (FAME) production was similar to the literature reports. When NH4-N was present along with NO3-N, the biomass growth was adversely affected, indicating an impact on the metabolic activity. For the same initial concentrations of nitrate in the culture, the maximum biomass concentration was reduced by 50-60% in the presence of NH4-N. The FAME profile changed significantly and a new FAME was identified, suggesting an impact on the lipid synthesis pathway. Comparison and analysis with the help of existing literature indicated that the adverse effect due to NH4-N was a function of pH. The growth, biomass yield, and FAME production were unaffected by a wide range of phosphorus concentrations. Maximum fatty acid methyl ester (FAME) suitable for biodiesel production (fatty acid carbon chain length C16 to C18) was 381.01 mg/L (224.58 mg/g of dry biomass), produced at NO3-N concentration of 18.5 mg/L and initial nitrogen loading per unit biomass of 0.37 g NO3-N/g of dry biomass
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|a Journal Article
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|a Chlorella vulgaris
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|a Nitrogen source
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|a ammonia toxicity
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|a biodiesel production
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|a fatty acid profile
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|a Wastewater
|2 NLM
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|a Biofuels
|2 NLM
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|a Sewage
|2 NLM
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| 650 |
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|a Fatty Acids
|2 NLM
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| 650 |
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|a Nitrates
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Guha, Saumyen
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 25 vom: 15. Okt., Seite 5276-5290
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
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|g volume:45
|g year:2024
|g number:25
|g day:15
|g month:10
|g pages:5276-5290
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|u http://dx.doi.org/10.1080/09593330.2023.2288656
|3 Volltext
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