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首页> 外文期刊>International Journal of Environmental Science and Technology >Phenol and ammonium removal by using Fe-ZSM-5 synthesized by ammonium citrate iron source
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Phenol and ammonium removal by using Fe-ZSM-5 synthesized by ammonium citrate iron source

机译：柠檬酸铵铁源合成的Fe-ZSM-5去除苯酚和铵盐

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摘要

Fe-ZSM-5 zeolites are important for many applications, especially for catalysis and volatile organic carbon removal. However, the inclusion of a high content of iron in the ZSM-5 structure is hindered due to the high pH required for hydrothermal synthesis. To overcome this problem, the synthesis of Fe-ZSM-5 zeolites with a novel iron chelate complex as the iron source (ammonium iron citrate) and a common iron source (iron chloride) was investigated. The synthesized materials were characterized by XRD, BET, SEM, FTIR, XPS and ICP. The total iron content was determined by ICP. Fe-ZSM-5 zeolites prepared by the ammonium iron citrate source method contain the highest iron concentration within the framework of a Mobil five structure, which has a high surface area and crystallinity. The prepared materials were used to remove phenol and ammonium. The catalytic results demonstrated that Fe-ZSM-5 prepared with ammonium iron citrate is the best catalyst.
机译：Fe-ZSM-5沸石对于许多应用都很重要，特别是对于催化和挥发性有机碳的去除。然而，由于水热合成所需的高pH值，阻碍了在ZSM-5结构中包含高含量的铁。为了克服该问题，研究了以新型铁螯合物为铁源（柠檬酸铁铵）和普通铁源（氯化铁）的Fe-ZSM-5沸石的合成。通过XRD，BET，SEM，FTIR，XPS和ICP对合成材料进行表征。总铁含量通过ICP确定。通过柠檬酸铁铵源法制备的Fe-ZSM-5沸石在Mobil五结构的框架内具有最高的铁浓度，该结构具有较高的表面积和结晶度。所制备的材料用于去除苯酚和铵。催化结果表明，用柠檬酸铁铵制备的Fe-ZSM-5是最好的催化剂。

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