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- W4251151274 abstract "Abstract Extracts of copoazu ( Theobroma gramdiflorum ), canangucha ( Maurita Flexuosa ), and coffee ( coffea arabica ) were explored as enhancers of the solar photo-Fenton process to eliminate acetaminophen, sulfamethoxazole, carbamazepine, and diclofenac. The process performance, at pH 6.2 and 5 mg L − 1 of iron without the extracts, has a very limited action (~ 35% of the pollutants degradation at 90 min of treatment) due to the iron precipitation. Interestingly, the extracts addition increased the soluble iron forms but only copoazu extract improved the pollutants degradation (~ 95% of elimination at 90 min of the process action). The copoazu extract acted as a natural complexing agent, maintaining the soluble iron up to 2 mg L − 1 even after 90 min, and consequently enhancing the pollutants degradation. The effect of copoazu extract dose on the process performance was also assessed, finding that an iron: copoazu extract molar ratio equal to 1:0.16 was the most favorable condition. Then, the process improved by copoazu extract was applied to municipal wastewater. Remarkably, the process led to ~ 90% of total pharmaceuticals degradation at 20 min of treatment. This work evidences the feasibility of amazonian fruits extracts to improve the solar photo-Fenton process to degrade pharmaceuticals in aqueous matrices at near-neutral pH." @default.
- W4251151274 created "2022-05-12" @default.
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- W4251151274 date "2021-03-22" @default.
- W4251151274 modified "2023-09-27" @default.
- W4251151274 title "Improvement of Solar Photo-Fenton by Extracts of Amazonian Fruits for the Degradation of Pharmaceuticals in Municipal Wastewater" @default.
- W4251151274 doi "https://doi.org/10.21203/rs.3.rs-318961/v1" @default.
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