التفاصيل البيبلوغرافية
| العنوان: |
Enhancing biomass and lipid accumulation by a novel microalga for unsterilized piggery biogas slurry remediation. |
| المؤلفون: |
Huang, Li, Zhao, Xingling, Wu, Kai, Liang, Chengyue, Liu, Jing, Yang, Hong, Yin, Fang, Wang, Changmei, Yang, Bin, Zhang, Wudi |
| المصدر: |
Environmental Science & Pollution Research; May2024, Vol. 31 Issue 21, p31097-31107, 11p |
| مصطلحات موضوعية: |
BIOGAS, SLURRY, BIOMASS, SWINE housing, BIOMASS production, DUNALIELLA |
| مستخلص: |
The cost and efficiency of an algal-BS treatment system are determined by the specific microalgal species and BS pretreatment method. This study examines the growth of a novel algae Chlorella sp. YSD-2 and the removal of nutrients from the BS using different pretreatment methods, including dilution ratio and sterilization. The highest biomass production (1.84 g L−1) was achieved in the 1:2 unsterilized biogas slurry, which was 2.03 times higher than that in the sterilized group, as well as higher lipid productivity (17.29 mg L−1 d−1). Nevertheless, the sterilized biogas slurry at a 1:1 dilution ratio exhibited the most notable nutrient-removal efficiency, with COD at 71.97%, TP at 91.32%, and TN at 88.80%. Additionally, the analysis of 16S rRNA sequencing revealed a significant alteration in the indigenous bacterial composition of the biogas slurry by microalgal treatment, with Proteobacteria and Cyanobacteria emerging as the predominant phyla, and unidentified_Cyanobacteria as the primary genus. These findings suggest that Chlorella sp. YSD-2 exhibits favorable tolerance and nutrient-removal capabilities in unsterilized, high-strength biogas slurry, along with high productivity of biomass and lipids. Consequently, these results offer a theoretical foundation for the development of an efficient and economically viable treatment method for algal-BS. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
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