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利用本土微藻小球藻 JD1-1 生产生物柴油并同时处理生活污水和养殖废水。

Biodiesel production and simultaneous treatment of domestic and livestock wastewater using indigenous microalgae, Chlorella sorokiniana JD1-1.

机构信息

Division of Environmental Materials, Honam National Institute of Biological Resources (HNIBR), Mokpo, 58762, Republic of Korea.

Department of Environmental Engineering, Division of Civil, Environmental, Mineral Resource and Energy Engineering, Soil Environment Research Center, Jeonbuk National University, 567 Baekje-Daero, Deokjin-Gu, Jeonju, 54896, Republic of Korea.

出版信息

Sci Rep. 2023 Sep 14;13(1):15190. doi: 10.1038/s41598-023-42453-y.

DOI:10.1038/s41598-023-42453-y
PMID:37709845
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10502075/
Abstract

In this study, the potential of Chlorella sorokiniana JD1-1 for biodiesel production was evaluated using domestic wastewater (DWW) as a diluent for locally-generated livestock wastewater (LWW). This strategy aimed to provide sustainable wastewater treatment, reduce environmental impacts, enhance cost-effectiveness, and promote biodiesel production. LWW was diluted with tap water and DWW at ratios of 75%, 50%, and 25% (v/v), and the effects on microalgal growth, nutrient removal efficiency, and lipid yield were evaluated. Although the maximum biomass concentration was observed in the artificial growth medium (BG-11) (1170 mg L), 75% dilution using tap water (610 mg L) and DWW (780 mg L) yielded results comparable to the exclusive use of DWW (820 mg L), suggesting a potential for substitution. Total nitrogen (TN) removal rates were consistently high under all conditions, particularly in samples with higher concentrations of LWW. Conversely, total phosphorus (TP) concentrations decreased under most conditions, although some displayed large increases. Further studies are necessary to optimize the nutrient balance while maintaining economic feasibility and maximizing biodiesel production.

摘要

在本研究中，使用国内废水 (DWW) 作为当地家畜废水 (LWW) 的稀释剂，评估了小球藻 JD1-1 用于生物柴油生产的潜力。该策略旨在提供可持续的废水处理，减少环境影响，提高成本效益，并促进生物柴油生产。将 LWW 与自来水和 DWW 以 75%、50%和 25%（v/v）的比例进行稀释，并评估了其对微藻生长、养分去除效率和油脂产量的影响。尽管在人工生长培养基 (BG-11) 中观察到最大的生物量浓度 (1170mg L)，但使用自来水 (610mg L) 和 DWW (780mg L) 的 75%稀释与仅使用 DWW (820mg L) 的结果相当，表明有替代的潜力。在所有条件下，总氮 (TN) 去除率都很高，特别是在 LWW 浓度较高的样品中。相比之下，在大多数条件下总磷 (TP) 浓度下降，尽管有些样品的 TP 浓度大幅增加。需要进一步研究以优化养分平衡，同时保持经济可行性并最大程度地提高生物柴油产量。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/14c6426d8a79/41598_2023_42453_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/10b66cd53f01/41598_2023_42453_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/16f723adb514/41598_2023_42453_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/fe933ef7b3b1/41598_2023_42453_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/14c6426d8a79/41598_2023_42453_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/10b66cd53f01/41598_2023_42453_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/16f723adb514/41598_2023_42453_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/fe933ef7b3b1/41598_2023_42453_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/da7c/10502075/14c6426d8a79/41598_2023_42453_Fig4_HTML.jpg

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