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  natural gas¿¡¼­ industrial methanol ÇÕ¼º ¹ÝÀÀ ¼³°è¿¡ °üÇÑ Áú¹®ÀÖ½À´Ï´Ù!
  ±Û¾´ÀÌ : ÀëÀë   °íÀ¯ID : hjmin98     ³¯Â¥ : 19-05-12 14:49     Á¶È¸ : 3969    
natural gas¿¡¼­ industrial methanol ÇÕ¼º ÇÏ´Â °úÁ¤ÀÌ ¾Æ·¡¿Í °°½À´Ï´Ù.
CO + 2H2 = CH3OH
CO + H20 = CO2 + H2
2CH4 + O2 = 2CH3OH·Î ÁÖ¾îÁ³½À´Ï´Ù.
 ±Ùµ¥ »ê¾÷¿ë¸Þź¿ÃÀº »ó¿Â, »ó¾Ð¿¡¼­ ¾×ü »óÅÂÀ̸ç ÀϹÝÀûÀÎ ¹ÝÀÀ½ÄÀº 2CH4 + O2 = 2CH3OH·Î ¾Ë°í ÀÖ½À´Ï´Ù.
(1) ÁÖ¾îÁø ¼¼°¡Áö ¹ÝÀÀÀÌ ¿¬¼âÀûÀ¸·Î ¹ß»ýÇÏ´ÂÁö, ºÎ°¡ÀûÀÎ ¹ÝÀÀÀÎÁö, ÇÔ²² ¹ÝÀÀÇÏ´ÂÁö, ¾Æ´Ô ±×³É Àú ¼¼ ¹ÝÀÀ½Ä Áß ÇÑ°¡Áö¸¸ »ç¿ëÇؾßÇÏ´ÂÁö °í¹ÎÀÌ µË´Ï´Ù.
(2) ÀÌ °øÁ¤À» ¼öÇàÇÒ ¶§ °¡Àå ÃÖ¼±ÀÇ ¹ÝÀÀ±â¸¦ ã°í Operating conditionÀ» ã¾Æ¾ß ÇÕ´Ï´Ù.
10000tons/dayÀÌ ¸ñÇ¥Àε¥ ÀÌ·± ´ë±Ô¸ðÀÇ »ý»êÀº CSTRÀÌ »ç¿ëµÇ¾ß ÇÑ´Ù°í »ý°¢ÇÕ´Ï´Ù. ÇÏÁö¸¸ ¹ÝÀÀ¹°ÀÌ ±âüÀÏ °æ¿ì¿¡´Â PFRÀ» »ç¿ëÇÏ´Â °ÍÀÌ ÀûÇÕÇÏ´Ù°í ¹è¿ü´Âµ¥, ÀÌ 떄¿¡´Â ¾î¶² ¹ÝÀÀ±â°¡ ´õ È¿À²ÀûÀϱî¿ä?
Çö´ë¿ÀÀϹðÅ©¿¡¼­ ¸Þź¿Ã Á¦Á¶ Ç÷£Æ®ÀÇ ÀڷḦ Âü°íÇߴµ¥, ½ÇÁ¦ °øÁ¤°ú ¼³°èÇÏ´Â °øÁ¤Àº Â÷ÀÌ°¡ ±²ÀåÈ÷ Å©´õ¶ó°í¿ä.Ã˸ŵµ »ç¿ëÇÏ°í F-T¶ó´Â ¹ÝÀÀ±â¸¦ »ç¿ëÇϴµ¥ ÀÌ·± ¹ÝÀÀ±â¸¦ ¾ÆÁ÷ ¹è¿ìÁö ¾Ê¾Ò½À´Ï´Ù.
±×·¡¼­ ´õ ¸·¸·Çؼ­ ÀÌ·¸°Ô Á¶¾ðÀ» ±¸ÇÕ´Ï´Ù. °¨»çÇÕ´Ï´Ù.


Stefano    19-05-13 12:37
(A0) <ÀϹÝÀûÀÎ ¹ÝÀÀ½ÄÀº 2CH4 + O2 = 2CH3OH·Î...>
¾Æ´Õ´Ï´Ù ÀÌ´Â ÀϹÝÀû ¹ÝÀÀ½ÄÀÌ ¾Æ´Ï°í õ¿¬°¡½º¸¦ ¿ø·á·Î ¸Þź¿ÃÀ» ÇÕ¼ºÇÏ´Â ¹ÝÀÀÀ» Á¾ÇÕÇؼ­ ³ªÅ¸³»´Â ¹ÝÀÀ¿¡ ÇØ´çÇÕ´Ï´Ù.  ¼®Åº°ú ¹°°ú °ø±â·Î ³ªÀÏ·ÐÀ» ¸¸µç´Ù´Â ½ÄÀÇ Ç¥ÇöÀ̶ó°í ºÁ¾ß ÇÕ´Ï´Ù.

(A1) ¾ð±ÞÇÑ ¹ÝÀÀÁß Ã¹ ¹ÝÀÀ¸¸ÀÌ ÁÖ¹ÝÀÀ¿¡ ÇØ´çÇÏ°í µÎ,¼¼¹ø°ÀÇ ¹ÝÀÀ½ÄÀº ºÎ¹ÝÀÀ¿¡ ÇØ´çÇÕ´Ï´Ù. ¸Þź¿Ã ¹ÝÀÀ±â³»¿¡¼­ µ¿½Ã¿¡(ÇÔ²²) ÀϾ ¼ö ÀÖ´Â ºÎ¹ÝÀÀµéÀÔ´Ï´Ù. 

(A2) CSTRÀº ¾×»óÀÇ ¹ÝÀÀ¿¡¸¸ ³íÇÒ ¼ö ÀÖ½À´Ï´Ù.  ¸Þź¿Ã ÇÕ¼º¹ÝÀÀÀº ±â»ó¿¡¼­ ÀÌ·ç¾î Áö°í Àֱ⠶§¹®¿¡ ±³¹Ý±â°¡ ÇÊ¿ä¾ø°í Ã˸ÅÃþ¸¸ ±ÕÀÏÇÏ°Ô Èê·¯°¡µµ·Ï Çϸ鼭 ¹ß¿­¹ÝÀÀÀ» Á¦¾îÇÒ ¼ö ÀÖ´Â ¹ÝÀÀ±â°¡ ÇÊ¿äÇÕ´Ï´Ù. 

Çö »ó¿ë°øÀå¿¡´Â Ã˸ÅÃþ ´Ü¿­¹ÝÀÀ±â(Adiabatic Reactor),  ½ºÆÀ ¹ß»ý °â¿ë Á¤¿Â¹ÝÀÀ±â(Isothermal Reactor)°¡ »ç¿ëµË´Ï´Ù. ¸ðµÎ PFR ÇüÅÂÀÌ°í Back MixingÀÌ ÀϾÁö ¾ÊÀ¸¸ç ¹ÝÀÀ¹°Àº Quenching ÇÏ¿© °í¾Ð¿¡¼­ Methanol¸¦ ÀÀÃà½ÃÄÑ ºÐ¸®ÇØ ³»°í ¹Ì¹ÝÀÀ °¡½º´Â ¹ÝÀÀ±â·Î ¼øȯÇÏ´Â ¹æ¹ýÀÌ »ç¿ëµË´Ï´Ù.  ÀÀÃàµÇ´Â ¸Þź¿ÃÀº ¹°, °íºñÁ¡ µîÀ» ºÐ¸®ÇÏ¿© Á¤Á¦µÇ Á¦Ç°À¸·Î »ý»êµË´Ï´Ù.

(A3) ¿¹Àü ¿©¼öÀÇ ´ë¼º¸Þź¿Ã (Çö LGÈ­ÇÐ VCM °øÀåÀ§Ä¡) °øÀåÀÌ Æó¼èµÇ°í ³­ ÈÄ ±¹³»¿¡´Â Methanol °øÀåÀÌ Çϳªµµ ¾ø½À´Ï´Ù.
¿ø·á°¡ ³ªÇÁŸ·ÎºÎÅÍ Ãµ¿¬°¡½º·Î ´Þ¶óÁ³±â ¶§¹®ÀÔ´Ï´Ù.  Çö´ë¿ÀÀϹðÅ©¿¡ ¼³Ä¡µÈ ¸Þź¿Ã °øÀåÀº »ó¿ë°øÀåÀÌ ¾Æ´Ï¶ó ¿¬»ê 3000Åæ ±Ô¸ðÀÇ Pilot Plant¿¡ ÇØ´çÇÕ´Ï´Ù.

Çö´ë¿ÀÀϹðÅ©¿¡¼­ ¿¬±¸°³¹ß Áß¿¡ ÀÖ´Â Methanol °øÀåÀº CH4¸¦ ReformingÇϸ鼭 »ý¼ºµÇ´Â H2°¡ Methanol ÇÕ¼º°¡½º¿¡ »ç¿ëµÇ´Â  H2/COÀÇ ¸ôºñ 2¸¦ ÃÊ°úÇÏ¿© 3¿¡ ÇØ´çÇϱ⠶§¹®¿¡ ¿©ºÐÀÇ H2¸¦ ÀÌ¿ëÇϱâ À§ÇÏ¿© CO2¸¦ Ãß°¡¿ø·á·Î »ç¿ëÇϱâ À§ÇØ »ç¿ëÇÏ´Â °øÁ¤±â¼ú¿¡ ÇØ´çÇÕ´Ï´Ù.

¸Þź¿Ã ÇÕ¼º°øÀå(Reformer + Methanol ÇÕ¼º) ÀüüÀÇ ¹ÝÀÀ:
------------------------------------------------------------------------------
CH4 + H2O ----> CO  +  3H2
CO +2H2 ------->CH3OH
----------------------------------------------------
CH4 + H2O----->CH3OH + H2  ...(4) <---ÀüüÀÇ ¹ÝÀÀ¿¡¼­ CH4 1¸ô »ç¿ëÇÏ¿© 1¸ôÀÇ ¸Þź¿Ã¸¦ Á¦Á¶Çϸé Ç×»ó ¼ö¼Ò°¡ 1¸ô ³²°Ô µÊ.

CO2 ¿Í H2ÀÇ ¹ÝÀÀ:
---------------------------
CO2 + H2 ------>CO +  H2O .......(5) <---ÆòÇü¹ÝÀÀÀ¸·Î  Water Gas Shift ¹ÝÀÀÀÇ ¿ª¹ÝÀÀ (Reverse -Water-Gas-Shift Reaction)
CO + 2H2 ------->CH3OH.............(6)
------------------------------------------------------ 
CO2+3H2 ------->CH3OH +H2O  <----------H2 1¸ôÀÇ ¿©ºÐÀÌ ÀÖÀ¸¸é 1/3¸ôÀÇ ¸Þź¿ÃÀ» ´õ »ý»êÇÒ ¼ö ÀÖÀ½.


(A4) CO2È°¿ë¹æ¹ý..
CO2´Â ¸Þź¿Ã ¹ÝÀÀ±â¿¡ ±×´ë·Î °ø±ÞÇصµ Syn Gas·Î ÀÛ¿ëÇÕ´Ï´Ù.    ±×·¯³ª CO2¸¦ Reformer¿¡¼­ Steam ºÎºÐ´ëü¿ëÀ¸·Î »ç¿ëÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù¤Ó

CH4 + H2O ----> CO+ 3H2  <-------------------½ºÆÀ»ç¿ë õ¿¬°¡½º¸®Æ÷¸ÓÀÇ ±âº»¹ÝÀÀ
CO + H2O ------>CO2 + H2  <------------------- CO·ÎºÎÅÍ H2 Á¦Á¶¸¦ À§ÇÑ "Water Gas Shift Reaction"

CH4 + CO2-----> 2CO +2H2  <------------------CO2 (º¸Á¶)»ç¿ë¿¡ ÀÇÇÑ ¸®Æ÷¸Ó ¹ÝÀÀ (ÇÕ¼º°¡½º Á¦Á¶)

F-T ¹ÝÀÀÀº Fisher-Tropsch Ã˸Ÿ¦ »ç¿ëÇÏ´Â ¹ÝÀÀÀ¸·Î ÇÕ¼º°¡½º·ÎºÎÅÍ Hydrocarbon(ÇÕ¼º¿ÀÀÏ)À» Á¦Á¶Çϱâ À§ÇÑ ¹ÝÀÀÀ¸·Î 2Â÷´ëÀü¿¡ µ¶ÀÏÀÌ ¼®ÅºÀ¸·ÎºÎÅÍ ¼®À¯¸¦ Á¦Á¶Çϱâ À§ÇØ °³¹ßÇß´ø ±â¼úÀÔ´Ï´Ù.  CO2¸¦ Methanol ÇÕ¼º¿¡ ÀÌ¿ëÇÒ ¼ö ÀÖ´Â °Íó·³ CO2·ÎºÎÅÍ OilÀ» ÇÕ¼ºÇÒ ¼ö ÀÖ´Â ±â¼úÀÌÁö¸¸... H2°¡ °ª½Ñ°¡°ÝÀ¸·Î ±¸ÇÒ ¼ö ÀÖÀ» ¶§¶ó¾ß °æÁ¦¼ºÀÌ ÀÖ½À´Ï´Ù.  ¼®À¯(»Ó¸¸ ¾Æ´Ï¶ó ¼®Åº)°¡ °í°¥µÇ¾úÀ» ¶§ ¹Ýµå½Ã È°¿ëÇؾ߸¸ ÇÒ Àå±âÀû ¿¬±¸°úÁ¦¿¡ ÇØ´çÇÕ´Ï´Ù.

CO2 + H2 -------->CO + H2O  <------------------Reverse Water-Gas-Shift Reaction
CO + (m+1)/n H2 ---------->1/n CnHm + 1/n H2O  <-------------F-T Ã˸ŠÀÌ¿ë Hydrocarbon ÇÕ¼º¹ÝÀÀ
È«ÀÍ´ë ¹Ý¡¦    19-05-16 21:10
ÀÌ·±½ÄÀ̸é F¸¦ ÁÙ¼ö¹Û¿¡¾ø½À´Ï´Ù. ½º½º·ÎÀÇ ÈûÀ¸·Î ÇØ°áÇϽñæ¹Ù¶ø´Ï´Ù.
Stefano    19-05-17 09:32
ÀÌ°÷¿¡¼­ ÇнÀ°úÁ¤¿¡¼­ ¹®Á¦Ç®À̳ª °úÁ¦Ç®À̸¦ ¿äûÇؼ­´Â ¾ÈµË´Ï´Ù.  Àü ¼¼°è ¾î´À ÀÎÅÍ³Ý »çÀÌÆ®¶ó°í Çصµ ¹®Á¦Ç®ÀÌ, ¼÷Á¦ÇØ°á, µî¿¡ µµ¿òÁÖ´Â °ÍÀÌ ±Ý±â½Ã µÇ¾î ÀÖ½À´Ï´Ù. ÀÌ°÷ ¶ÇÇÑ °Ô½ÃÆÇÀÇ º»·¡ Àǵµ¿¡ µû¶ó À̵éÀ» ÇØ°áÇØ ÁÙ Àǻ絵 ¾ø½À´Ï´Ù. 

ÇнÀ ¹®Á¦¿¡ °üÇÏ¿© ½º½º·Î °í¹ÎÇغ¸°í ÀÚ·áµµ ã¾Æº¸°í ¸·È÷´Â ºÎºÐÀ» ÁßÁ¡ÀûÀ¸·Î Áú¹®Çϵµ·Ï ÇÏ¸ç ¹«¾ùº¸´Ùµµ Áú¹®½Ã " ½º½º·Î ¼ÖÁ÷ÇØÁö½Ã±â"¸¦ ¹Ù¶ó°Ú½À´Ï´Ù.
   

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