混合吸附剂:协同效应改善饮用水处理过程中问题化合物的去除

Katerina Sichrova, Lenka Cermakova, Katerina Novotna, Lenka Pivokonska, Veronika Zustakova, Martin Pivokonsky
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引用次数: 0

摘要

研究了不同比例的市售颗粒活性炭(GACs)混合吸附剂的吸附性能,并比较了它们与单一颗粒活性炭对藻类有机物(AOM)和农药的去除效果。除了不同的GAC比例外,还研究了吸附剂用量和溶液pH对AOM、农药和AOM-农药混合物的影响。混合吸附剂可以在混合物中实现更高的AOM和农药的整体去除。令人惊讶的是,当使用混合吸附剂时,即使是单一吸附剂的去除率也增加了。对AOM的去除率从单一GACs的25% ~ 29%提高到合适的吸附混合物的44%;同样,农药去除率从52%-67%增加到74%。吸附剂配比是影响吸附效果的关键因素。此外,pH值对吸附也有显著影响。使用不同吸附剂的混合物是一种很有前途的处理饮用水的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mixed Adsorbents: Synergic Effects Improve Problematic Compounds Removal During Drinking Water Treatment

This study investigated the adsorption using mixed adsorbents comprising different proportions of commercially available granular activated carbons (GACs) and compared their performance to single GACs for removing algal organic matter (AOM) and pesticides. In addition to diverse GAC ratios, the effects of adsorbent dosage and solution pH were investigated for AOM, pesticides, and an AOM-pesticide mixture. The mixed adsorbents can achieve overall higher removal of AOM and pesticides in a mixture. Surprisingly, even the removal of single adsorbates increased when mixed adsorbents were used. The AOM removal increased from 25%–29% using single GACs to 44% using a suitable adsorbent mixture; similarly, the pesticide removal increased from 52%–67% to 74%. The adsorbent ratio was the key influential factor. Additionally, the pH value also significantly affected the adsorption. Using a mixture of different adsorbents is a promising method for treating drinking water.

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