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Abstract: The effect of HF treatment on etherification activities of ZSM-5 zeolite was investigated. Appearance, crystal structure, pore structure, acid quality of treated zeolite was charactered. It was found that catalyst treated by HF remained typical MFI structure, but grain broken; pore volume and average pore diameter of treated zeolite increased obviously; Bronsted acid quantity decreased; etherification activities of fluorinate treatment of ZSM-5 zeolite increased obviously.
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Key words:
- zeolite /
- fluorinate treatment /
- ethyl tert-butyl ether /
- etherification
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