Effect of hydraulic parameters of leachate treatment process on di(2-ethylhexyl) phthalate removal from aged leachate

The effect of hydraulic parameters of an anaerobic/anoxic/oxic leachate treatment reactor on the removal of di(2-ethylhexyl) phthalate (DEHP) from aged landfill leachate was studied. The mean DEHP removal efficiencies were 79.5%, 87.1%, 89.7% and 87.8% at hydraulic retention times of 6, 4.5, 3 and 2...

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Publié dans:Environmental technology. - 1993. - 44(2023), 16 vom: 15. Juni, Seite 2407-2416
Auteur principal: Sun, Pingping (Auteur)
Autres auteurs: Mao, Hongzhi, Fang, Chengran, Long, Yuyang
Format: Article en ligne
Langue:English
Publié: 2023
Accès à la collection:Environmental technology
Sujets:Journal Article Phthalic acid diesters aged leachate anaerobic–anoxic–oxic system hydraulic parameters removal phthalic acid 6O7F7IX66E Diethylhexyl Phthalate C42K0PH13C plus... Phthalic Acids Water Pollutants, Chemical
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520 |a The effect of hydraulic parameters of an anaerobic/anoxic/oxic leachate treatment reactor on the removal of di(2-ethylhexyl) phthalate (DEHP) from aged landfill leachate was studied. The mean DEHP removal efficiencies were 79.5%, 87.1%, 89.7% and 87.8% at hydraulic retention times of 6, 4.5, 3 and 2 d, respectively. The removal efficiency of DEHP was significantly higher when the internal reflux ratio was 200% than others. There was no significant difference among the DEHP removal efficiencies at different external reflux ratios of the reactor. Due to the overall efficiency of the reactor, hydraulic retention time 3 d, internal reflux ratio 200% and external reflux ratio 60%, were considered the optimal hydraulic parameters for DEHP removal from aged leachate. The removal efficiency of DEHP was significantly improved (from 75.7% to 89.1%) after the optimization of hydraulic parameters of the reactor. The removal percentages of DEHP in the anaerobic, anoxic, and oxic units of the reactor were 42.8%, 17.6%, and 15.3%, respectively. The oxic microcosms in the reactor had little effect on DEHP removal. The correlation between DEHP and leachate pollutants indicated that DEHP removal was strongly correlated with leachate COD and NH4+-N 
650 4 |a Journal Article 
650 4 |a Phthalic acid diesters 
650 4 |a aged leachate 
650 4 |a anaerobic–anoxic–oxic system 
650 4 |a hydraulic parameters 
650 4 |a removal 
650 7 |a phthalic acid  |2 NLM 
650 7 |a 6O7F7IX66E  |2 NLM 
650 7 |a Diethylhexyl Phthalate  |2 NLM 
650 7 |a C42K0PH13C  |2 NLM 
650 7 |a Phthalic Acids  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
700 1 |a Mao, Hongzhi  |e verfasserin  |4 aut 
700 1 |a Fang, Chengran  |e verfasserin  |4 aut 
700 1 |a Long, Yuyang  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 44(2023), 16 vom: 15. Juni, Seite 2407-2416  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnas 
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