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颗粒活性炭过作为一种控制策略

Kalli M Hood¹, Naomi Lewis¹, Benjamin Trueman¹

¹Centre for Water Resource Studies, Department of Civil and Resource Engineering, Dalhousie University, 1360 Barrington St, Halifax, Nova Scotia B3H 4R2, Canada.

ACS ES&T water

|January 15, 2026

概括

气候变化增加了水中的有机碳,影响了饮用水质量. 颗粒活性炭 (GAC) 过器有效地减少有机碳并防止释放,而聚化 (PACl) 则显示出混合的结果.

科学领域:

环境科学环境科学
水处理工程水处理工程
材料科学材料科学材料科学

背景情况:

由于气候变化导致的表面水有机碳的增加,挑战了饮用水质量法规.
水处理过程可以改变自然有机物 (NOM) 和水化学,影响管道系统的释放.
了解处理化学品,过介质和接剂之间的相互作用对于保持水安全至关重要.

研究的目的:

为了比较不同凝固剂和过器类型在管理自然有机物 (NOM) 和减轻释放方面的有效性.
为了评估甲酸盐对释放在电-铜系统中的影响.
在试点和实验室规模的研究中评估硫酸 (alum),聚化 (PACl),炭酸盐/砂和颗粒活性炭 (GAC) 的性能.

主要方法:

试点测试,PACl,炭酸盐/沙和GAC过器的水质和NOM去除.
使用不同-甲酸盐度 (0-2 ppm) 的经过处理的水进行基板规模的倾倒和填充实验.
评估释放,电腐蚀和过介质性能 (例如,GAC耗尽).

主要成果:

颗粒活性炭 (GAC) 接触器显著减少有机碳,并显示出强大的保护作用,防止释放.
聚化 (PACl) 与同等剂量的相比,显示GAC耗尽率较慢,提高了整体去除效率.
PACl与电腐蚀的增加有关,而正酸盐有效地减轻了合金腐蚀.

结论:

删除NOM是减少释放的关键,GAC是一种高效的过方法.
虽然PACl可以改善NOM去除,但其增加电腐蚀的潜力需要仔细考虑.
优化水处理策略,包括凝固剂选择和腐蚀抑制剂应用,对于确保饮用水质量和安全至关重要.

关键词:

复杂化NOM的复杂化铜铜铜铜的铜.电腐蚀是一种电腐蚀.颗粒状活化碳是什么颗粒状活化碳的接器的接器的接器的接器.聚化的聚化.

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