Removal of carbamazepine, sulfamethoxazole and aspirin at municipal wastewater treatment plant of Astana, Kazakhstan: paths to increase the efficiency of the treatment process

IF 2.8 4区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Journal of chemical technology and biotechnology Pub Date : 2024-07-23 DOI:10.1002/jctb.7713

Arailym Kamal, Yerkanat N Kanafin, Aliya Satayeva, Jong Kim, Stavros G Poulopoulos, Elizabeth Arkhangelsky

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Abstract

BACKGROUND

Medical substances are utilized around the world, and their accumulation in nature is a global concern. This work aimed to identify three priority pharmaceuticals discharged into the domestic sewage stream of Astana city (Kazakhstan). Samples of municipal wastewater were taken before and after the wastewater treatment plant (WWTP) over a period of 13 months. The performed experiments demonstrated that there are seasonal variations in the priority pharmaceuticals – carbamazepine (CBZ), sulfamethoxazole (SMX) and aspirin (ASP) – identified in the wastewaters.

RESULTS

The non-conventional WWTP of Astana city, which includes a sequence of treatment processes, showed 2–100% removal of these compounds with the following influent concentrations from the entering stream: 12.5–185.6 ppb (μg L⁻¹) for CBZ, 2.6–51.2 ppb for SMX and 1.9–199.8 ppb for ASP. Laboratory-scale experiments revealed that the application of the membrane separation technique, i.e. ultrafiltration, is able to provide improved removal of these pharmaceuticals. The removal of ASP, CBZ and SMX by phase inversion polyethersulfone and track etch (TE) polycarbonate membranes was investigated. Filtration with TE membrane demonstrated 39–97% removal of the primary pharmaceuticals from the wastewater.

CONCLUSION

Filtration with TE membrane was recognized as an affordable and efficient supplementary treatment step. The addition of the TE separation process in the Astana WWTP could potentially improve the removal of the studied pharmaceuticals along with other medical substances. The reported results hold substantial significance, particularly for rapidly expanding urban centers and developing nations. This is especially crucial as there is a scarcity of data regarding the treatment of pharmaceuticals in municipal wastewater for these regions. © 2024 Society of Chemical Industry (SCI).

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哈萨克斯坦阿斯塔纳市污水处理厂去除卡马西平、磺胺甲噁唑和阿司匹林的情况：提高处理过程效率的途径

背景世界各地都在使用医药物质，它们在自然界中的积累是一个全球关注的问题。这项研究旨在确定排放到阿斯塔纳市（哈萨克斯坦）生活污水中的三种重点药物。在 13 个月的时间里，在污水处理厂（WWTP）前后采集了城市污水样本。实验结果表明，在废水中发现的重点药物 - 卡马西平 (CBZ)、磺胺甲恶唑 (SMX) 和阿司匹林 (ASP) - 存在季节性变化。结果阿斯塔纳市的非常规污水处理厂包括一系列处理工艺，对这些化合物的去除率为 2-100%，入流浓度如下：CBZ 为 12.5-185.6 ppb (μg L-1)，SMX 为 2.6-51.2 ppb，ASP 为 1.9-199.8 ppb。实验室规模的实验表明，应用膜分离技术，即超滤技术，能够更好地去除这些药物。研究了相反转聚醚砜膜和轨道蚀刻（TE）聚碳酸酯膜去除 ASP、CBZ 和 SMX 的情况。结论使用 TE 膜过滤被认为是一种经济、高效的辅助处理步骤。在阿斯塔纳污水处理厂中增加 TE 分离工艺有可能提高对所研究的药物和其他医疗物质的去除率。所报告的结果具有重要意义，特别是对于快速发展的城市中心和发展中国家。这一点尤为重要，因为在这些地区，有关城市污水中药物处理的数据十分匮乏。© 2024 化学工业学会（SCI）。

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来源期刊

Journal of chemical technology and biotechnology 工程技术-工程：化工

CiteScore

7.00

自引率

5.90%

发文量

268

审稿时长

1.7 months

期刊介绍： Journal of Chemical Technology and Biotechnology(JCTB) is an international, inter-disciplinary peer-reviewed journal concerned with the application of scientific discoveries and advancements in chemical and biological technology that aim towards economically and environmentally sustainable industrial processes.

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