优化废水处理,利用聚乙醇冷凝固定微藻去除营养
Hongrae Im1, Hoang Tam Nguyen2, Dawoon Jeong3
1Department of Global Smart City, Sungkyunkwan University (SKKU), 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea.
Chemosphere
|September 28, 2024
概括
聚乙醇 (PVA) 低温凝有效地固定微藻,以提高废水处理. 固定微藻实现了100%的和97.2%的去除,特别是添加有机碳.
科学领域:
- 环境工程 环境工程
- 生物技术是生物技术.
- 微藻生物修复 微藻生物修复
背景情况:
- 废水处理在有效去除营养物质方面面临着挑战.
- 微藻为营养补救提供了一个可持续的解决方案.
- 固定化技术对于微藻的稳定性和再利用至关重要.
研究的目的:
- 为了研究聚乙醇 (PVA) 冰凝对于固定微藻的作用.
- 为了评估废水中固定微藻的营养去除效率.
- 评估有机碳和无机碳对营养物质去除的影响.
主要方法:
- 使用冷/解周期在PVA冷凝中固定Chlorella sorokiniana.
- 在持续的光生物反应器中进行营养物质去除测试.
- 在不同的有机和无机碳条件下分析和的去除.
主要成果:
- 100%的和97.2%的去除在混合营养条件下通过PVA固定化的微藻实现.
- 确定了最大的营养去除能力:0.033 mg-N/cm3·day (N) 和0.0047 mg-P/cm3·day (P).
- 增加的无机碳增加了N/P比率,酸盐产生的比率高于氨.
结论:
- 聚乙烯冷凝提供了一种有效的方法来固定污水处理的微藻.
- 有机碳显著提高了营养去除效率和生物反应器性能.
- 高的营养物质去除率有助于减少肥胖化和促进营养物质的恢复.
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