适应高光温度条件的微藻生长在不同类型的废水中
Hussein Abdel-Shafy1, Reda Moghazy2, Mona Mansour3
1Water Pollution Research Department, National Research Centre, Dokki, Cairo, Egypt
概括
在地中海废水中培养的微藻类显示出生物修复的潜力. 特定的菌株,如Scenedesmus arcuatus,有效地去除污染物并恢复营养.
科学领域:
- 环境微生物学 环境微生物学
- 水生植物学 水生植物学
- 生物技术是生物技术.
背景情况:
- 废水处理需要可持续和高效的方法来去除污染物和恢复营养.
- 微藻为处理各种废水流提供了一个有希望的生物解决方案.
- 微藻适应当地环境条件对于有效应用至关重要.
研究的目的:
- 从尼罗河中分离和培养适应地中海废水条件的微藻菌株.
- 评估在不同的光和温度条件下选择的微藻的生长性能.
- 评估微藻在处理废水中去除化学氧需求 (COD) 和营养物质 (,) 的效率.
主要方法:
- 在高光温度 (HLT) 和低光温度 (LLT) 条件下种植尼罗河微藻.
- 在初级处理的黑水 (BW),灰水 (GW) 和污水 (SW) 中隔离和培养占主导地位的微藻菌株,特别是Scenedesmus arcuatus.
- 在HLT和LLT下测量微藻生长速度和污染物去除效率 (COD,N,P).
主要成果:
- 叶绿植物 (Scenedesmus) 在HLT下占主导地位,而绿植物在LLT下占主导地位.
- 在GW,BW和SW中,Scenedesmus arcuatus在HLT下表现出0.38-0.4天-1的生长率.
- 在LLT的CO2限制导致1.5-2.7倍较低的增长率.
- 从废水中实现了高清除率:88%的COD,96%的无机和100%的无机.
结论:
- 适应当地气候条件的微藻菌株,如Scenedesmus arcuatus,对废水生物修复有效.
- HLT条件支持强大的微藻生长,以有效地消除COD和营养物质.
- 微藻种植是地中海地区可持续废水处理和资源回收的可行战略.
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