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用微藻和微波制备的阳极对制厂废水进行连续处理

Daniel E E Miranda¹, Rocio M A Paricahua¹, Erick N G Quispe¹

¹Professional School of Chemical Engineering, Faculty of Process Engineering, Universidad Nacional de San Agustín de Arequipa, Santa Catalina 117, Arequipa, 04001, Peru.

|August 9, 2025

概括

这项研究结合了微藻和电化学处理,从制厂废水中去除重金属和有机污染物. 顺序过程实现了高的去除率,提供了高效和可持续的解决方案.

科学领域:

环境科学环境科学
环境工程环境工程
应用微生物学应用微生物学

背景情况:

皮革工厂的废水含有有毒的重金属和持久性有机污染物,造成严重的环境和健康风险.
传统的处理方法在去除这些复杂的污染物方面往往是低效的.
研究了一种新的连续生物和电化学处理方法,以加强污染物去除.

研究的目的:

为了评估结合微藻 (Chlorella sorokiniana) 和电化学氧化对制废水的连续处理的有效性.
为了优化电化学阶段,使用各种混合金属氧化物 (MMO) 阳极.
评估综合系统的整体效率,污染物去除率和能源消耗.

主要方法:

分离和应用Chlorella sorokiniana用于从皮厂废水中生物去除重金属.
混合金属氧化物 (MMO) 阳极 (Ti/(RuO2)0.9(TiO2)0.1和Ti/(RuO2)0.9(Sb2O5)0.1) 通过微波辅助烧焦的制备.
预处理废水的电化学处理,使用优化的MMO阳极在不同的电流密度.
污染物去除 (重金属,COD) 和能源消耗的分析.

主要成果:

索罗基尼亚 (Chlorella sorokiniana) 取得了高的 (78.43%), (99.3%) 和 (98.9%) 的除去率.
生物处理导致化学氧气需求 (COD) 最初增加,但随后减少了高达37%.
在400°C和60 mA/cm2的Ti/(RuO2)0.9(TiO2)0.1阳极实现了94.25%的COD去除和进一步的减少.
优化处理显示了电化学制废水处理报告中最低的能源消耗 (21.4千瓦时/米3).

结论:

连续的生物和电化学处理为制废水整治提供了一种协同效应和高效的方法.
开发的MMO阳极显示出有效去除污染物的巨大潜力.
这种综合方法为处理具有挑战性的制厂污水提供了可持续且具有成本效益的解决方案.

关键词:

生物处理生物处理电化学氧化电化学氧化混合的金属氧化物阳极.

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