当前位置: X-MOL 学术J. Ind. Eng. Chem. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Recent advances on the adsorption of herbicides and pesticides from polluted waters: performance evaluation via physical attributes
Journal of Industrial and Engineering Chemistry ( IF 5.9 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.jiec.2020.10.011
Joshua O. Ighalo , Adewale George Adeniyi , Adedeji A. Adelodun

Abstract Due to the need to ameliorate the incessant presence of herbicides and pesticides (H & P) in our waters, we appraised the recent advances in using adsorption technology. Of the numerous adsorbents, montmorillonite and activated carbon (AC) cloth showed the highest adsorption capacity (q) of 1067 and 421.6 mg/g for 2,4-D herbicide and aldicarb, respectively. However, atrazine and aldrin (the most researched H & P, respectively) were best removed using eucalyptus bark-derived biosorbent (936.1 mg/g) and acid-treated patellidae shells (208.3 mg/g), respectively. We carried out further investigation into two newly derived adsorption attributes (effective surface area (eSBET) and preferential adsorption (qp). The eSBET correlates more strongly with q than the conventional specific surface area (SBET) because surface chemistry influences the former. Likewise, qp is a more reliable attribute than q because qp considers the adsorbent's chemical properties and adsorbate’s solubility. The correlation between eSBET and qp was strongest for 2,4-D (95%) and AC (62.25%). Future research could use spent heavy metal adsorbents and photo-assisted adsorption to improve the removal of competitive adsorptives (H & P). Conclusively, adsorption is excellent for mitigating H & P pollution, and the novel adsorption attributes provided here would aid more liable performance optimization.

中文翻译:

从污染水中吸附除草剂和杀虫剂的最新进展:通过物理属性评估性能

摘要 由于需要改善我们水域中不断存在的除草剂和杀虫剂 (H&P),我们评估了使用吸附技术的最新进展。在众多吸附剂中,蒙脱石和活性炭 (AC) 布对 2,4-D 除草剂和涕灭威的吸附容量 (q) 最高,分别为 1067 和 421.6 mg/g。然而,分别使用桉树树皮衍生的生物吸附剂 (936.1 mg/g) 和酸处理的蝶类贝壳 (208.3 mg/g) 可以最好地去除莠去津和艾氏剂(分别是研究最多的 H&P)。我们对两个新衍生的吸附属性(有效表面积(eSBET)和优先吸附(qp))进行了进一步研究。与传统比表面积 (SBET) 相比,eSBET 与 q 的相关性更强,因为表面化学会影响前者。同样,qp 是比 q 更可靠的属性,因为 qp 考虑了吸附剂的化学性质和吸附质的溶解度。eSBET 和 qp 之间的相关性对于 2,4-D (95%) 和 AC (62.25%) 最强。未来的研究可以使用废重金属吸附剂和光辅助吸附来改善竞争性吸附剂 (H & P) 的去除。总之,吸附对于减轻 H&P 污染是极好的,这里提供的新吸附属性将有助于更可靠的性能优化。eSBET 和 qp 之间的相关性对于 2,4-D (95%) 和 AC (62.25%) 最强。未来的研究可以使用废重金属吸附剂和光辅助吸附来改善竞争性吸附剂 (H & P) 的去除。总之,吸附对于减轻 H&P 污染非常有用,这里提供的新吸附属性将有助于更可靠的性能优化。eSBET 和 qp 之间的相关性对于 2,4-D (95%) 和 AC (62.25%) 最强。未来的研究可以使用废重金属吸附剂和光辅助吸附来改善竞争性吸附剂 (H & P) 的去除。总之,吸附对于减轻 H&P 污染是极好的,这里提供的新吸附属性将有助于更可靠的性能优化。
更新日期:2021-01-01
down
wechat
bug