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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X18789062
|2 doi
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|a pubmed24n0956.xml
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|a (DE-627)NLM287068730
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|a (NLM)30067147
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Aziz, A
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effective removal of p-tert-Butylphenol and Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)- from landfill leachate using locust bean gum
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 09.09.2019
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|a Date Revised 09.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The widespread distribution of persistent organic pollutants (POPs) in landfill leachate is problematic due to their acute toxicity, carcinogenicity and genotoxicity effects, which could be detrimental to public health and ecological systems. The objective of this study was to evaluate the effective removal of POPs - namely, p-tert-Butylphenol and Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)- - from landfill leachate using locust bean gum (LBG), and in comparison with commonly used alum. The response surface methodology coupled with a Box-Behnken design was employed to optimize the operating factors for optimal POPs removal. A quadratic polynomial model was fitted into the data with the R2 values of 0.97 and 0.96 for the removal of p-tert-Butylphenol and Pyridine, 3-(1-methyl-2-pyrrolidinyl), (S)-, respectively. The physicochemical characteristics of the flocs produced by LBG and alum were evaluated with Fourier Transform Infrared (FTIR) spectroscopy and Scanning Electron Microscopy (SEM). The infrared spectra of LBG-treated floc were identical with LBG powder, but there was some variation in the peaks of the functional groups, signifying the chemical interactions between flocculants and pollutant particles resulting from POPs removal. The results showed that p-tert-Butylphenol and Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)- obtained 96% and 100% removal using 500 mg/L of LBG at pH 4. pH have a significant effect on POPs removal in leachate. It is estimated that treating one million gallons of leachate using alum (at 1 g/L dosage) would cost US$39, and using LBG (at 500 mg/L dosage) would cost US$2. LBG is eco-friendly, biodegradable and non-toxic and, hence, strongly recommended as an alternative to inorganic coagulants for the treatment of POPs in landfill leachate
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|a Journal Article
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|a (S)-
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|a 3-(1-methyl-2-pyrrolidinyl)-
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|a Persistent organic pollutants (POPs)
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|a Pyridine
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|a flocs
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|a leachate
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|a locust bean gum
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|a p-tert-Butylphenol
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| 650 |
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|a Galactans
|2 NLM
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| 650 |
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|a Mannans
|2 NLM
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| 650 |
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|a Phenols
|2 NLM
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| 650 |
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|a Plant Gums
|2 NLM
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| 650 |
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|a Pyridines
|2 NLM
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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|a butylphen
|2 NLM
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| 650 |
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|a O81VMW36CV
|2 NLM
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| 650 |
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|a locust bean gum
|2 NLM
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| 650 |
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|a V4716MY704
|2 NLM
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| 700 |
1 |
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|a Agamuthu, P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fauziah, S H
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 36(2018), 12 vom: 01. Dez., Seite 1146-1156
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
8 |
|g volume:36
|g year:2018
|g number:12
|g day:01
|g month:12
|g pages:1146-1156
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| 856 |
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|u http://dx.doi.org/10.1177/0734242X18789062
|3 Volltext
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|h 1146-1156
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