一些淡水微藻及其联盟从废水中的生长潜力,生物化学性质和营养去除效率
Tanushree Paul1, Pushpita Nath1, Shahnaj Tapadar1
1Department of Ecology and Environmental Science, Assam University, Silchar, Assam, India.
International journal of phytoremediation
|September 19, 2024
概括
微藻在营养丰富的条件下繁荣发展,有效地去除和. 污水培养促进了脂质和植物化学物质的生产,增强了潜在的生物燃料和营养药物应用的抗氧化活性.
科学领域:
- 环境生物技术 环境生物技术
- 微藻养殖 微藻养殖
- 废水处理 废水处理
背景情况:
- 微藻对于营养物质的去除和生物质生产至关重要.
- 优化营养度 (酸盐和酸盐) 和使用污水 (SW) 可以提高微藻的性能.
- 了解对生长,营养吸收和生物化学成分的影响至关重要.
研究的目的:
- 研究不同酸盐 (NO3-N) 和酸盐 (PO4-P) 度和污水 (SW) 对四种微藻 (Scenedesmus dimorphus,Coelastrella tenuitheca,Chroococcus turgidus,Parachlorella kessleri) 在单种植和联盟中的影响.
- 评估对生长的影响,营养物质的去除,脂质积累,抗氧化活性和植物化学物质含量.
主要方法:
- 在不同营养条件下 (NO3-N和PO4-P变化) 和SW下,在单种植和混合联盟中培养微藻.
- 增长速度的测量,营养物质去除效率 (N和P).
- 对生物化学成分 (碳水化合物,蛋白质,脂质) 和植物化学物质 (,黄,素) 的分析,以及抗氧化酶活性 (DPPH,催化酶,甲酸过氧化酶).
主要成果:
- 在高度的N (1500 mg/L NO3-N) 和P (40 mg/L PO4-P) 时,所有藻类都观察到高生长率.
- 在SW中,Scenedesmus dimorphus表现出优异的去除;藻类联盟在去除方面更有效.
- 在SW种植中,Parachlorella kessleri表现出最高的碳水化合物 (37%) 和蛋白质 (44%) 含量.SW种植产生了最高的脂质产量 (43%).
- 在Coelastrella tenuitheca,Chroococcus turgidus和Scenedesmus dimorphus中发现了,黄和的大量积累.
- 营养丰富增强了抗氧化剂酶活性和细胞储存产品的积累.
结论:
- 优化营养水平和SW对增强微藻生长,营养去除和有价值的生化生产有效.
- 特定物种和联盟显示出在废水处理和生物质利用中有针对性应用的潜力.
- 营养条件较高刺激了抗氧化防御和储存化合物的积累,表明了弹性和进一步发展的潜力.
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