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°íÀ¯ID
: sunghyung
³¯Â¥
: 14-08-01 12:21
Á¶È¸
: 6733
¸Þź¿Ã ¼ö¿ë¾× 50%ÀÇ ¹°¼ºÄ¡¿¡ ´ëÇÏ¿© ¾Ë°í ½Í½À´Ï´Ù.
(ºñÁß, ºñ¿, Á¡µµ µî..)
È¥ÇÕ¹æ¹ý¿¡ µû¶ó ¹°¼ºÀÌ ´Þ¶óÁö´Â °æ¿ì°¡ Àִµ¥ ÀÌÀ¯°¡ ÀÖ³ª¿ä?
1. ¸Þź¿Ã 100% 1/2 + ¹° 1/2
2. ¸Þź¿Ã 40% 1/2 + ¸Þź¿Ã 60% 1/2
°í¼ö´ÔµéÀÇ Á¶¾ð ¹Ù¶ø´Ï´Ù.
½ºÅ×Æijë
Stefano
14-08-01 12:26
(1) ¹°¼ºÀº È¥ÇÕ¹æ¹ý¿¡´Â °ü·ÃÀÌ ¾ø°í È¥ÇÕ ÈÄ ³óµµ¿Í ¿Âµµ¿¡¸¸ °ü·ÃµË´Ï´Ù. ¾Ð·Â¿µÇâµµ ÀÖÁö¸¸ ¾×üÀÇ °æ¿ì ¾Ð·Â¿µÇâÀº ¹«½ÃÇÕ´Ï´Ù
Áú·®±âÁØ È¥Çսöó¸é µÑ´Ù 50w% Methanol-Water ¿ë¾× (50w% ¸Þź¿Ã ¼ö¿ë¾×)ÀÔ´Ï´Ù. ¿Âµµ¿¡ µû¸¥ ¹°¼ºÇ¥¸¸ ±¸ÇØ Ã£¾Æº¸µµ·Ï Çϼ¼¿ä.
(2) ±×·¯³ª ¸¸ÀÏ ¼¯À» ¶§ ºÎÇǸ¦ ±âÁØÀ¸·Î Çß´Ù¸é ³óµµ°¡ ´Þ¶óÁú ¼ö ÀÖ½À´Ï´Ù.
100% ¸Þź¿Ã 0.5 L + 100% ¹° 0.5 L ----> ¸Þź¿Ã 393 g + ¹° 500 g =893 g 393/893 = 44.01 % Solution
40% 0.5L(ºñÁß0.902)+ 60% 0.5 L(ºñÁß 0.861) --> ¸Þź¿Ã (180.4g+258g)+¹° (270.6+172.2) 438.4/881.2= 49.75 w%
(3) 50w% ¼ö¿ë¾×ÀÇ »ó¿Â 25¡É¿¡¼ÀÇ ¹°¼ºÀº ´ë·« ´ÙÀ½°ú °°½À´Ï´Ù.
¹Ðµµ: 881.1 g/ml, ºñ¿: 0.802 kcal/kg/¡É, Á¡µµ 0.76 cP
(1) ¹°¼ºÀº È¥ÇÕ¹æ¹ý¿¡´Â °ü·ÃÀÌ ¾ø°í È¥ÇÕ ÈÄ ³óµµ¿Í ¿Âµµ¿¡¸¸ °ü·ÃµË´Ï´Ù. ¾Ð·Â¿µÇâµµ ÀÖÁö¸¸ ¾×üÀÇ °æ¿ì ¾Ð·Â¿µÇâÀº ¹«½ÃÇÕ´Ï´Ù Áú·®±âÁØ È¥Çսöó¸é µÑ´Ù 50w% Methanol-Water ¿ë¾× (50w% ¸Þź¿Ã ¼ö¿ë¾×)ÀÔ´Ï´Ù. ¿Âµµ¿¡ µû¸¥ ¹°¼ºÇ¥¸¸ ±¸ÇØ Ã£¾Æº¸µµ·Ï Çϼ¼¿ä. (2) ±×·¯³ª ¸¸ÀÏ ¼¯À» ¶§ ºÎÇǸ¦ ±âÁØÀ¸·Î Çß´Ù¸é ³óµµ°¡ ´Þ¶óÁú ¼ö ÀÖ½À´Ï´Ù. 100% ¸Þź¿Ã 0.5 L + 100% ¹° 0.5 L ----> ¸Þź¿Ã 393 g + ¹° 500 g =893 g 393/893 = 44.01 % Solution 40% 0.5L(ºñÁß0.902)+ 60% 0.5 L(ºñÁß 0.861) --> ¸Þź¿Ã (180.4g+258g)+¹° (270.6+172.2) 438.4/881.2= 49.75 w% (3) 50w% ¼ö¿ë¾×ÀÇ »ó¿Â 25¡É¿¡¼ÀÇ ¹°¼ºÀº ´ë·« ´ÙÀ½°ú °°½À´Ï´Ù. ¹Ðµµ: 881.1 g/ml, ºñ¿: 0.802 kcal/kg/¡É, Á¡µµ 0.76 cP
Çغ¸
sunghyung
14-08-03 12:58
´äº¯ °¨»çµå¸®¸ç
¸¹Àº µµ¿òÀÌ µÇ¾ú½À´Ï´Ù.
50w%ÀÇ °¢ ¿Âµµº° ¹°¼ºÀ» ¾Ë ¼ö ÀÖ´Â ÀڷḦ ¾òÀ» ¼ö ÀÖÀ¸¸é °¨»çÇÏ°Ú½À´Ï´Ù.
¾Æ´Ï¸é -15degC, -20deg ¿¡¼ÀÇ ¹Ðµµ, ºñ¿, Á¡µµ¸¦ ¾Ë·ÁÁÖ½Ã¸é °í¸¿°Ú½À´Ï´Ù.
´äº¯ °¨»çµå¸®¸ç ¸¹Àº µµ¿òÀÌ µÇ¾ú½À´Ï´Ù. 50w%ÀÇ °¢ ¿Âµµº° ¹°¼ºÀ» ¾Ë ¼ö ÀÖ´Â ÀڷḦ ¾òÀ» ¼ö ÀÖÀ¸¸é °¨»çÇÏ°Ú½À´Ï´Ù. ¾Æ´Ï¸é -15degC, -20deg ¿¡¼ÀÇ ¹Ðµµ, ºñ¿, Á¡µµ¸¦ ¾Ë·ÁÁÖ½Ã¸é °í¸¿°Ú½À´Ï´Ù.
½ºÅ×Æijë
Stefano
14-08-04 12:23
Methanol Maker¿¡¼ Á¦°øÇÏ´Â ÇÚµåºÏ µîÀ» ã¾Æº¸µµ·Ï Çϼ¼¿ä.
http://www.methanol.org/Health-And-Safety/Safety-Resources/Health---Safety/Methanex-TISH-Guide.aspx
http://www.e1na.com/e1%20Methanol%20Handbook%20v2013.pdf
http://pubs.acs.org/doi/abs/10.1021/je60011a015
Methanol Maker¿¡¼ Á¦°øÇÏ´Â ÇÚµåºÏ µîÀ» ã¾Æº¸µµ·Ï Çϼ¼¿ä. http://www.methanol.org/Health-And-Safety/Safety-Resources/Health---Safety/Methanex-TISH-Guide.aspx http://www.e1na.com/e1%20Methanol%20Handbook%20v2013.pdf http://pubs.acs.org/doi/abs/10.1021/je60011a015
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