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loser_zhu

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The activity of the synthesized mesoporous c-Al2O3 catalyst for dehydration of methanol to DME was assessed in a fixed-bed stainless steel reactor. less steel reactor. Methanol was introduced to the reaction zone by bubbling ultra-pure helium gas through a glass saturator (2 L capacity) filled with ultra-high pure methanol and maintained at 20¡æ. In each run 0.05 g of the catalyst was tested at 260 ¡æ at GHSV of 4000 mL gcat-1h-1 . The tail gas out of the reactor was analyzed by an on-line GC (Agilent 7890 A) equipped with a thermal conductivity detector and HP-Plot Q capillary column.
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lsxinqing

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sltmac(½ð±Ò+2): ¹ÄÀøÐ³棬»¶Ó­³£À´ 2011-08-18 12:34:54
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liubencai

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sltmac(½ð±Ò+1): àÅ£¬·­ÒëµÄºÜµ½Î»~ 2011-08-18 09:08:14
loser_zhu(½ð±Ò+28, ·­ÒëEPI+1): 2011-08-18 15:40:28
¶ÔÓÃÓÚ¼×´¼ÍÑË®Éú³É¶þ¼×ÃѶøºÏ³ÉµÄ½é¿×C - Al2O3´ß»¯¼ÁµÄ»îÐÔÆÀ¼ÛÊÇÔڹ̶¨´²²»Ðâ¸Ö·´Ó¦Æ÷ÄÚ½øÐеġ£½«¼×´¼µ¼Èë·´Ó¦ÇøÓò£¬Êǽ«³¬´¿º¤ÆøÍ¨¹ýÓó¬¸ß´¿¼×´¼³äÂúµÄÒ»¸ö²£Á§±¥ºÍÆ÷£¨ÈÝÁ¿2Éý£©ÖÐðÅݶøµ¼ÈëµÄ£¬²¢Ê¹Î¶Èά³ÖÔÚ20¡æ¡£Ã¿´ÎÔËÐжÔ0.05¿Ë´ß»¯¼ÁÔÚ260¡æÒÔÿ¿Ë´ß»¯¼ÁÿСʱµÄÆøÌåÁ÷ËÙΪ4000ºÁÉý½øÐвâÊԵġ£´Ó·´Ó¦Æ÷³öÀ´µÄÎ²Æø²ÉÓÃÅ䱸Èȵ¼¼ì²âÆ÷ºÍHP-PLOT Qëϸ¹ÜÖùµÄÔÚÏߵįøÏàÉ«Æ×£¨°²½ÝÂ×7890 A£©½øÐзÖÎöµÄ¡£
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2Â¥2011-08-18 09:01:54
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hongliannu

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sltmac(½ð±Ò+1): 2011-08-18 12:35:02
The tail gas out of the reactor was analyzed by an on-line GC (Agilent 7890 A) equipped with a thermal conductivity detector and HP-Plot Q capillary column.
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4Â¥2011-08-18 10:57:47
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hongliannu

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5Â¥2011-08-18 10:58:44
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