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ÓÉͼ3¿É¼û£¬Cu /ZSM-5ÉÏÓÐÈý¸öÑõÍѸ½·å£¬¸ù¾ÝÎÄÏ×[1]£¬ÕâÈý¸ö·å·Ö±ð¶ÔÓ¦ÓÚ·Ö×ÓɸÉÏÈõ»¯Ñ§Îü¸½µÄÑõµÄÍѸ½(383 K)£¬Îü¸½ÔÚ ZSM -5ÖÐÂÁλÉϵÄÑõµÄÍѸ½(573 K)ºÍÎü¸½ÔÚ´ß»¯¼ÁÖÐÍ­Àë×ÓÉϵÄÑõµÄÍѸ½(700 K)£¬ÆäÖÐ700 KÍѸ½·åµÄÇ¿¶ÈºÍÃæ»ý×î´ó£¬ËµÃ÷Í­Àë×ÓÊÇÖ÷ÒªµÄÑõÎü¸½Î»¡£

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lixiaod001

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ypfkb(½ð±Ò+1,VIP+0): 10-22 15:32
zap65535(½ð±Ò-1,VIP+0):ÓлúÆ÷·­ÒëºÛ¼£ 12-22 10:32
Figure 3 shows by, Cu / ZSM-5 there are three oxygen desorption peaks, according to literature [1], these three peaks correspond to the weak chemisorption of molecular sieve oxygen desorption (383 K), adsorbed on ZSM -- 5, aluminum bits on the oxygen desorption (573 K) and adsorption in the catalyst of copper ions on the oxygen desorption (700 K), of which 700 K desorption peak intensity and area of the largest shows that copper ions are the main oxygen adsorption sites.
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