Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 299  |  »Ø¸´: 2
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

hua56441

½ð³æ (СÓÐÃûÆø)


[½»Á÷] ·­ÒëÒ»¶ÎÎÄÏ×

The present industrial process for the multistep and indirect synthesis of phenol from benzene has several disadvantages, such as complicated synthetic route, large consumption of raw materials, and serious environmental pollution. Therefore, the direct hydroxylation of benzene to phenol in a single-stage reaction has become one of the most challenging topics in the chemical industry, from an economical and environmental point of view. The catalytic hydroxylation of benzene with hydrogen peroxide as a clean oxidant has attracted some great attention. Vanadium-containing heteropolyacids (HPAs) have been used in the hydroxylation of benzene to phenol under various reaction conditions. However, the yield of phenol from the hydroxylation of benzene over the reported catalysts is rather low.


Óï¾äͨ˳£¬ÓÐÂß¼­¾ÍOk£¡

» ²ÂÄãϲ»¶

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lvmao86

½û³æ (СÓÐÃûÆø)


hua56441(½ð±Ò+15, ·­ÒëEPI+1): лл 2011-03-13 22:48:58
Ŀǰ´æÔÚµÄÒÔ±½ÎªÔ­Á϶ಽÖè¡¢¼ä½ÓµÄºÏ³É±½·ÓµÄ¹¤Òµ»¯¹ý³Ì±×¶ËÖڶ࣬ÀýÈ縴ÔӵĺϳÉ·¾¶£¬´óÁ¿µÄÔ­²ÄÁÏÏûºÄ£¬ÑÏÖØµÄ»·¾³ÎÛȾÎÊÌâ¡£Òò´Ë£¬´Ó¾­¼ÃºÍ»·¾³½Ç¶ÈÀ´Ëµ£¬Ö±½ÓµÄÒ»²½´Ó±½ôÇ»¯µÃµ½±½·ÓÒѳÉΪ»¯Ñ§¹¤ÒµÖÚ¶àÓÐÌôÕ½ÐԵĿÎÌâÖеÄÒ»¸ö¡£ÓÃË«ÑõË®£¬Ò»ÖÖÇå½àµÄÑõ»¯¼Á£¬ÔÚÓд߻¯¼ÁµÄÌõ¼þÏÂÍê³É±½µÄôÇ»¯¹ý³ÌµÄ·½·¨£¬ÒѾ­ÎüÒýÁ˺ܶàÈ˵Ä×¢ÒâÁ¦¡£º¬·°ÔÓ¶àËáÀàÔÚ²»Í¬Ìõ¼þ϶¼ÔÚ´Ó±½µÃµ½±½·ÓµÄôÇ»¯¹ý³ÌÖб»Ê¹Óùý¡£µ«ÊÇ£¬ÔÚ±»±¨µÀÓùýµÄ´ß»¯¼Á´ß»¯Ìõ¼þÏ£¬´Ó±½ôÇ»¯µÃµ½±½·ÓµÄ²úÂʶ¼ÊǺܵ͵Ä
2Â¥2011-03-13 21:39:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lvmao86

½û³æ (СÓÐÃûÆø)

±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2011-03-13 21:41:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ hua56441 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +6 ÏàÐűػá¹ââÍòÕ 2026-04-07 7/350 2026-04-08 16:49 by tjzhao
[¿¼ÑÐ] 0703µ÷¼Á£¬Ò»Ö¾Ô¸Ìì½ò´óѧ319·Ö +23 haaaabcd 2026-04-05 26/1300 2026-04-08 16:19 by luoyongfeng
[¿¼ÑÐ] 0703×Ü·Ö331Çóµ÷¼Á +17 ZY-05 2026-04-04 21/1050 2026-04-08 10:16 by screening
[¿¼ÑÐ] 338Çóµ÷¼Á +8 wxygxsaaaaa 2026-04-06 8/400 2026-04-08 06:58 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +6 @6952 2026-04-06 6/300 2026-04-07 23:52 by lys0704
[¿¼ÑÐ] 080100Á¦Ñ§316Çóµ÷¼Á +3 L_Hairui 2026-04-07 3/150 2026-04-07 23:26 by JourneyLucky
[¿¼ÑÐ] 313Çóµ÷¼Á +3 Ê®Áùʰ½ 2026-04-07 3/150 2026-04-07 23:20 by lbsjt
[¿¼ÑÐ] ר˶085403£¬291·Ö£¬ÓÐÁ½Æª×¨Àû£¬Ò»¹úÒ»½± +3 ¹þ¼ªßä¹þ¼ªßä 2026-04-07 3/150 2026-04-07 18:21 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 22408 µ÷¼Á²ÄÁÏ +7 ÎÒ½Ðez 2026-04-06 8/400 2026-04-07 17:12 by À¶ÔÆË¼Óê
[¿¼ÑÐ] »¯¹¤µ÷¼Á303·Ö£¬¹ýËļ¶ +34 ÆÜÎà´ý·ç 2026-04-02 34/1700 2026-04-07 12:30 by 1018329917
[¿¼ÑÐ] 301Çóµ÷¼Á +3 XYPLR 2026-04-05 4/200 2026-04-05 19:07 by XYPLR
[¿¼ÑÐ] ¼ÆËã»ú11408£¬286·ÖÇóµ÷¼Á +7 ľ×ÓÄî•„ 2026-04-05 7/350 2026-04-05 19:02 by chy09050039
[¿¼ÑÐ] µç×ÓÐÅÏ¢µ÷¼Á½»²æÑ§¿ÆÓÐÍÆ¼öÂð +6 jhtfeybgj 2026-04-01 9/450 2026-04-05 11:13 by Öí»á·É
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +4 zhouzhen654 2026-04-03 4/200 2026-04-04 18:10 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +7 À§À§À§À§À¤À¤ 2026-04-02 7/350 2026-04-03 17:26 by Yuena_Wang
[¿¼ÑÐ] 274Çóµ÷¼Á +9 ˳Àí³ÉÕÅ 2026-04-03 10/500 2026-04-03 15:10 by °¡¿¡£¡
[¿¼ÑÐ] 085501Ò»Ö¾Ô¸Ì칤´ó£¬»úеר˶Çóµ÷¼Á£¬¿ç²ÄÁÏ +3 33ÉÏ 2026-04-03 3/150 2026-04-03 14:08 by 1753564080
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-03 4/200 2026-04-03 13:28 by jiouuu
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-04-02 4/200 2026-04-02 09:52 by yulian1987
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧ¼ÆËã»úר˶£¬³õÊÔ373£¬Áù¼¶Í¨¹ý£¬ +3 ¼ÆËã»ú×·ÃÎÈË 2026-04-01 3/150 2026-04-02 07:57 by fxue1114
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û