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化学工业与工程
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��ѧ��ҵ�빤�� 2007, Vol. 24 Issue (2) :145-149    DOI:
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Dealumination of NaY Zeolite
ZHANG Xu,MA Xin-bin(Key Laboratory for Green Chemical Technology,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(Key Laboratory for Green Chemical Technology,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract�� The structure and acidity of NaY zeolite modified by oxalic acid and diammonium hydrogen phosphate(ADP) were studied.The acidity of NaY zeolite and dealuminated zeolite are investigated by Fourier transform infrared spectrophotometry(FTIR),ICP,and thermal analysis.The changes of the structure of the modified zeolites were studied by X-ray diffraction(XRD) analysis.Both the modification techniques can reduce the acidity of NaY zeolite without any change on the structure.
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Received 2007-03-15; published 2007-03-15
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����;���±�;.NaY����ɸ����������[J].  ��ѧ��ҵ�빤��, 2007,24(2): 145-149
ZHANG Xu,MA Xin-bin.Dealumination of NaY Zeolite[J].  Chemcial Industry and Engineering, 2007,24(2): 145-149
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