Effect of operating conditions in soil aquifer treatment on the removals of pharmaceuticals and personal care products.
作者： Kai He , Shinya Echigo , Sadahiko Itoh
DOI: 10.1016/J.SCITOTENV.2016.04.148
关键词:
摘要: Abstract Soil aquifer treatment (SAT) is an alternative advanced for wastewater reclamation, and it has the potential to control micropollutants including pharmaceuticals personal care products (PPCPs). However, relationship of operating conditions in SAT removals was not clear. In this study, effects on PPCPs were evaluated by using lab-scale columns plant pilot-scale reactors under different conditions. Firstly, weathered granite soil (WGS), standard sand (SAND) Toyoura (TS) have characteristics such as total organic carbon (TOC) cation exchange capacity (CEC). with these packing materials, carboxylic analgesics antilipidemics effective regardless materials. The antibiotics more WGS than TS SAND, indicating high TOC CEC enhance sorption SAT. Secondly, extension hydraulic retention time (HRT), sulfamethoxazole, acetaminophen, crotamiton, antipyrine improved columns, adaptable biodegradation moderately removable formed. Thirdly, removal efficiencies sulfamethoxazole crotamiton higher column vadose condition saturated condition, because aerobic condition. Though long HRT had positive influence several 7 days removed most PPCPs.
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