Study on the denitrification and dephosphorization of the aqueous solution by Chitosan/4A Zeolite/Zr based Zeolite

The ternary hybrid material chitosan/4A Zeolite/Zr based Zeolite was synthesized by using 4A zeolite molecular sieve, Zr-zeolite and chitosan acetic acid solution as starting materials. The prepared composite were characterized by SEM, FT-IR and XRD. The experimental conditions such as the concentra...

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Veröffentlicht in:Environmental technology. - 1993. - 42(2021), 2 vom: 01. Jan., Seite 227-237
1. Verfasser: Zhang, Yuanling (VerfasserIn)
Weitere Verfasser: Yang, Min, Gui, Hua, Zhao, Tiantian, Tan, Wei, Wang, Hongbin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Chitosan/4A Zeolite/Zr based Zeolite The ternary hybrid materials adsorption denitrification dephosphorization Water Pollutants, Chemical Zeolites 1318-02-1 Chitosan 9012-76-4
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520 |a The ternary hybrid material chitosan/4A Zeolite/Zr based Zeolite was synthesized by using 4A zeolite molecular sieve, Zr-zeolite and chitosan acetic acid solution as starting materials. The prepared composite were characterized by SEM, FT-IR and XRD. The experimental conditions such as the concentration of chitosan acetic acid solution, mass ratio of mass ratio of chitosan acetic acid solution, 4A zeolite molecular sieve and Zr-zeolite functional material, the optimum calcination temperature were optimized. Under this optimum conditions, the denitrification and dephosphorization effect can reach more than 70% when pH value was at 3-9. Dynamics research results showed that the ammonia nitrogen and phosphorus removal progress by chitosan/4A Zeolite/Zr based Zeolite was in accordance could be well described by the pseudo-second-order kinetic model, and the adsorption rate is up to 6.439 g/min. The isothermal adsorption process was in accordance with Freundlich model 
650 4 |a Journal Article 
650 4 |a Chitosan/4A Zeolite/Zr based Zeolite 
650 4 |a The ternary hybrid materials 
650 4 |a adsorption 
650 4 |a denitrification 
650 4 |a dephosphorization 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Zeolites  |2 NLM 
650 7 |a 1318-02-1  |2 NLM 
650 7 |a Chitosan  |2 NLM 
650 7 |a 9012-76-4  |2 NLM 
700 1 |a Yang, Min  |e verfasserin  |4 aut 
700 1 |a Gui, Hua  |e verfasserin  |4 aut 
700 1 |a Zhao, Tiantian  |e verfasserin  |4 aut 
700 1 |a Tan, Wei  |e verfasserin  |4 aut 
700 1 |a Wang, Hongbin  |e verfasserin  |4 aut 
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773 1 8 |g volume:42  |g year:2021  |g number:2  |g day:01  |g month:01  |g pages:227-237 
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