酸性基多溶液对饮用水处理中的有机碳总去除的有效性
Josefine Molina-Pinna1, Félix R Román-Velázquez1
1Department of Chemistry, University of Puerto Rico, Mayaguez Campus, Mayaguez, PR 00681, USA.
Polymers
|July 12, 2025
概括
在酸中溶解的松有效地从地表水中去除天然有机物质 (NOM),减少消毒副产品 (DBP) 前体. 这种可生物降解的凝固剂对可持续的饮用水处理非常有希望,尤其是在高度条件下.
科学领域:
- 环境科学 环境科学
- 水处理技术水处理技术
- 绿色化学 绿色化学
背景情况:
- 表面水中的自然有机物 (NOM) 给饮用水处理带来了挑战.
- 在化过程中,NOM有助于形成有害的消毒副产品 (DBPs).
- 传统的凝固剂,如基的凝固剂,具有环境的缺点.
研究的目的:
- 为了评估在酸,乳酸和L-酸中溶解的奇托,以进行NOM去除.
- 评估度对奇托桑在NOM去除中的表现的影响.
- 为了确定桑酸系统对消毒副产品控制的潜力.
主要方法:
- 对来自波多黎各阿纳斯科大河 (Río Grande de Añasco) 的原水进行了子测试.
- 测试了三个度水平 (403,1220,5038 NTU) 的测试.
- 测量了总有机碳 (TOC),溶解有机碳 (DOC) 和UV254吸收度.
主要成果:
- TOC去除率从39.8%到74.3%不等,在高度水中使用奇托-L-甲酸获得最佳结果.
- 最大的DOC和UV254去除分别为76.4%和76.2%.
- 三甲形成潜力 (THMFP) 降低了高达81.6%,花效率超过95%.
结论:
- 酸系统是有效的去除NOM和减少DBP前体.
- 奇托桑的性能与基凝固剂相比,具有额外的环境效益.
- 这些系统代表了饮用水处理和DBP控制的可持续替代方案.
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