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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2175/106143016X14504669767850
|2 doi
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|a pubmed24n0856.xml
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|a (DE-627)NLM256841357
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|a (NLM)26811296
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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 |
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|a Liu, Jiang
|e verfasserin
|4 aut
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|a Mechanisms of CPB Modified Zeolite on Mercury Adsorption in Simulated Wastewater
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|c 2016
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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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|a Date Completed 09.08.2016
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a A systematic study was carried out to analyze the effects of mercury(II) adsorption by surface modified zeolite (SMZ) and adsorption mechanism. Cetylpyridinium bromide (CPB) was used to prepare SMZ. The characterization methods by means of powder X-ray diffraction (XRD), Fourier transform infrared (FT-IR), scanning electron microscope (SEM) showed that both the surface and internal zeolite were covered with CPB molecules, but the main binding sites were surface. Results showed that the organic carbon and cation exchange capacity of the SMZ were 7.76 times and 4.22 times higher than those of natural zeolite (NZ), respectively. Zeta potentials before and after modification were measured at -7.80 mV and -30.27 mV, respectively. Moreover, the saturation adsorptive capacity of SMZ was 16.35 times higher than NZ in mercury-containing wastewater. The possible mechanisms of mercury elimination were surface adsorption, hydrophobic interaction, ion exchange, electricity neutralization. The adsorption process was affected little by competitive ions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Bromides
|2 NLM
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|a Surface-Active Agents
|2 NLM
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|a Waste Water
|2 NLM
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|a Zeolites
|2 NLM
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|a 1318-02-1
|2 NLM
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|a Cetylpyridinium
|2 NLM
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|a CUB7JI0JV3
|2 NLM
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|a Mercury
|2 NLM
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|a FXS1BY2PGL
|2 NLM
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| 700 |
1 |
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|a Huang, Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Rong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jinzhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hao, Shuoshuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Yuanyuan
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Hong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 88(2016), 6 vom: 26. Juni, Seite 490-9
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
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|g volume:88
|g year:2016
|g number:6
|g day:26
|g month:06
|g pages:490-9
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|u http://dx.doi.org/10.2175/106143016X14504669767850
|3 Volltext
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