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231226s2023 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2023.278
|2 doi
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|a pubmed24n1208.xml
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|a (DE-627)NLM362674272
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|a (NLM)37771227
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Xulin
|e verfasserin
|4 aut
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|a Lanthanum and magnesium activated palygorskite for adsorption of phosphate in piggery wastewater
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 29.09.2023
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|a published: Print
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|a Citation Status Publisher
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|a Removing phosphate from wastewater can help alleviate eutrophication. Therefore, in this study, lanthanum and magnesium were loaded onto the thermally modified palygorskite (PAL) using a coprecipitation method, and a composite material was prepared for phosphate recovery. In the pH range of 2-7, the material can effectively adsorb the phosphate. In the kinetic experiment, the material was able to rapidly adsorb phosphate within 4 h of the beginning of the reaction. The adsorption isotherm result of the material was in accordance with Freundlich isotherm model. When pH was 7, the theoretical maximum adsorption capacity was 20.4 mg P/g. When phosphate coexisted with CO32- and HCO3-, the adsorption was significantly inhibited. In the adsorption-desorption experiment, the material can be reused at least five times after elution with 1 mol/L of sodium hydroxide solution. The equilibrium adsorption capacity of the material for total phosphorus in piggery wastewater was 7.25 mg P/g, achieving a total phosphorus removal rate of 95.3%. The characterization of XRD, FT-IR and XPS suggested that phosphate was mainly exchanged with La-OH in the material, forming an amorphous LaPO4 complex
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|a Journal Article
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1 |
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|a Tao, Yufang
|e verfasserin
|4 aut
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1 |
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|a Mao, Yujie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Aodi
|e verfasserin
|4 aut
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|a Htet, Hein Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, He
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 88(2023), 5 vom: 28. Sept., Seite 1280-1293
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:88
|g year:2023
|g number:5
|g day:28
|g month:09
|g pages:1280-1293
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|u http://dx.doi.org/10.2166/wst.2023.278
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