Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland.
Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China.
Molecules. 2021 Nov 18;26(22):6966. doi: 10.3390/molecules26226966.
Phthalic acid esters (PAEs) have a negative impact on living organisms in the environment, therefore, are among the group of Endocrine Disrupting Compounds (ECDs). Unfortunately, conventional methods used in municipal wastewater treatment plants (MWWTPs) are not designed to eliminate PAEs. For this reason, the development of cheap and simple but very effective techniques for the removal of such residues from wastewater is crucial. The main aim of this study was the evaluation of the removal of six selected PAEs: diethyl phthalate (DEP), di--octyl phthalate (DOP), di--butyl phthalate (DBP), benzyl butyl phthalate (BBP), bis(2-ethylhexyl) phthalate (DEHP) and dimethyl phthalate (DMP), in real MWWTPs supported by constructed wetlands (MWWTP-CW system). For the first time, the possibility of using three new plants for this purpose, (papyrus), (yellow pimpernel) and (European spindle), has been presented. For determining the target PAEs in wastewater samples, a method of SPE (Solid-Phase Extraction)-GC-MS(SIM) was developed and validated, and for plant materials, a method of UAE (Ultrasound-Assisted Extraction)-SPE-GC-MS(SIM) was proposed. The obtained data showed that the application of the MWWTP-CW system allows a significant increase in the removal of DEP, DBP, BBP and DEHP from the wastewater stream. was the most effective among the tested plant species for the uptake of analytes (8938 ng × g dry weight), thus, this plant was found to be optimal for supporting conventional MWWTPs.
邻苯二甲酸酯（PAEs）对环境中的生物有负面影响，因此属于内分泌干扰物（EDCs）。不幸的是，市政污水处理厂（MWWTP）中使用的传统方法无法消除 PAEs。出于这个原因，开发从废水中去除这些残留物的廉价、简单但非常有效的技术至关重要。本研究的主要目的是评估在实际的由人工湿地支持的市政污水处理厂-人工湿地（MWWTP-CW）系统中，去除六种选定的 PAEs：邻苯二甲酸二乙酯（DEP）、邻苯二甲酸二辛酯（DOP）、邻苯二甲酸二丁酯（DBP）、邻苯二甲酸丁基苄基酯（BBP）、邻苯二甲酸二（2-乙基己基）酯（DEHP）和邻苯二甲酸二甲酯（DMP）的情况。首次提出了三种新的植物用于该目的的可能性，（纸莎草）、（黄花九轮草）和（欧洲木蓝）。为了在废水样品中测定目标 PAEs，开发并验证了固相萃取（SPE）-气相色谱-质谱（SIM）方法，对于植物材料，提出了超声辅助萃取（UAE）-SPE-气相色谱-质谱（SIM）方法。所得数据表明，MWWTP-CW 系统的应用允许从废水中大量去除 DEP、DBP、BBP 和 DEHP。（黄花九轮草）在测试的植物种类中对分析物的吸收（8938ng×g 干重）最有效，因此，这种植物被发现是支持传统 MWWTP 的最佳选择。
