\uc54c\ub8e8\ubbf8\ub284\uc740 \uc0b0\uc18c\uc640 \uaddc\uc18c\uc5d0 \uc774\uc5b4 \uc9c0\uad6c\uc0c1\uc5d0\uc11c \uac00\uc7a5 \ud48d\ubd80\ud55c 3\ub300 \uc6d0\uc18c \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc11d\uc740 \ucd94\ucd9c\uc744 \uc704\ud574 \ubc14\uc774\uc5d8 \uc815\ub828\uc744 \ud1b5\ud574 \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc11d\uc744 \ubd84\uc1c4, \uc138\ucc99, \uac74\uc870\uc2dc\ud0a8 \ud6c4 \ub728\uac70\uc6b4 \uac00\uc131\uc18c\ub2e4\uc640 \ud63c\ud569\ud558\uc5ec \uacfc\ud3ec\ud654 \uc54c\ub8e8\ubbfc\uc0b0\ub098\ud2b8\ub968 \uc6a9\uc561(\uc77c\ubc18\uc801\uc73c\ub85c \uc801\uc9c4\ud759\uc774\ub77c\uace0 \ud568)\uc744 \ub9cc\ub4ed\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc774 \uc6a9\uc561\uc744 \uc9d1\uc9c4\uae30\ub77c\uace0 \ud558\ub294 \ub192\uc740 \ud0f1\ud06c\ub85c \ud38c\ud551\ud558\uc5ec \uc218\uc9d1 \ubc0f \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \ube44\ud589\uae30\uc640 \uc790\ub3d9\ucc28\uc5d0\uc11c \uc74c\ub8cc\uc218 \uce94\uacfc \uc740\ubc15\uc9c0\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 \uc138\uacc4 \uc8fc\uc694 \uc54c\ub8e8\ubbf8\ub284 \uacf5\uae09\uc6d0 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 Al2O3\ub97c \ud568\uc720\ud55c \uad11\uc11d\uc73c\ub85c, \uc77c\ubc18\uc801\uc73c\ub85c \ub098\ubb34\uac00 \uc6b0\uac70\uc9c4 \uc9c0\ud45c\uba74 \uadfc\ucc98\uc758 \uc232\uc774 \uc6b0\uac70\uc9c4 \uc9c0\uc5ed \uadfc\ucc98\uc5d0\uc11c \ubc1c\uacac\ub429\ub2c8\ub2e4. \ucc44\uad74\ub41c \uc2a4\ud2b8\ub9bd \ucc44\uad74 \ubc29\uc2dd\uc740 \ubcf5\uad6c \uc808\ucc28\uc758 \uc77c\ud658\uc73c\ub85c \uc870\ub9bc\uc744 \ud1b5\ud574 \ud1a0\uc591\uc744 \ub300\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc11d\uc740 \uc9c0\ube0c\uc0ac\uc774\ud2b8, \ubcf4\ub9c8\uc774\ud2b8, \ub514\uc544\uc2a4\ud3ec\uc5b4\uc640 \uac19\uc740 \uc54c\ub8e8\ubbf8\ub284 \ud568\uc720 \uad11\ubb3c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\uba70, \uadf8 \ube44\uc728\uc740 \ubc1c\uacac\ub418\ub294 \uc9c0\uc5ed\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \ub0a8\uadf9 \ub300\ub959\uc744 \uc81c\uc678\ud55c \ubaa8\ub4e0 \ub300\ub959\uc5d0\uc11c \ubc1c\uacac\ub418\uba70 \uae30\ub2c8(\ube0c\ub77c\uc9c8), \ud638\uc8fc, \uc778\ub3c4\ub124\uc2dc\uc544, \uc911\uad6d\uc5d0 \ud48d\ubd80\ud55c \ub9e4\uc7a5\ub7c9\uc744 \ubcf4\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \uc5f4\ub300 \uae30\ud6c4\uc5d0\uc11c \ube57\ubb3c\uc774 \uc6d0\ub798\uc758 \ud654\uc131\uc554\uc5d0\uc11c \uc2e4\ub9ac\uce74\ub97c \uce68\ucd9c\ud558\ub294 \ubb3c\uc5d0 \uc758\ud55c \ud654\ud559\uc801 \ud48d\ud654 \uc791\uc6a9\uc758 \uacb0\uacfc\ub85c \ud615\uc131\ub429\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8\ub97c \ucc44\uad74\ud55c \ud6c4\uc5d0\ub294 \uc54c\ub8e8\ubbf8\ub284 \uc81c\ud488 \uc81c\uc870\uc5d0 \uc0ac\uc6a9\ud560 \uc54c\ub8e8\ubbf8\ub098\ub85c \ubcc0\ud658\ud558\uae30 \uc704\ud574 \uc54c\ub8e8\ubbf8\ub098 \uc815\uc81c\uc18c\ub85c \uc6b4\ubc18\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc6d0\uad11\uc0b0\uc5d0\uc11c \uc54c\ub8e8\ubbf8\ub098 \uc815\uc81c\uc18c\uae4c\uc9c0 \uae30\ucc28\ub098 \ud2b8\ub7ed\uc73c\ub85c \uc9c1\uc811 \uc6b4\uc1a1\ud560 \uc218 \uc788\uc73c\uba70, \uc77c\ubd80 \uc6b4\uc1a1\uc740 \ud574\uc0c1\uc73c\ub85c \ub3c4\ucc29\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc0dd\uc0b0 \uacf5\uc815\uc758 \uc77c\ubd80\ub85c \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \uba3c\uc800 15-20% \uc218\uc0b0\ud654\ub098\ud2b8\ub968 \uc218\uc6a9\uc561\uc744 \uc555\ub825 \ud558\uc5d0\uc11c \uc0ac\uc6a9\ud558\uc5ec \uc54c\ub8e8\ubbf8\ub098 \ud568\ub7c9\uc744 \ubd84\ub9ac\ud558\uae30 \uc704\ud574 \uce68\ucd9c\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uac00 \ub05d\ub098\uba74 \uce68\uc804\ub41c \uc54c\ub8e8\ubbf8\ub098\ub97c \uce68\uc804\uc2dc\ud0a4\uace0 \uc720\ub3d9\uce35 \ub610\ub294 \ub85c\ud130\ub9ac \ud0ac\ub978 \uc18c\uc131\uc744 \ud1b5\ud574 99.5% \uc21c\ub3c4\uc758 \uc54c\ub8e8\ubbf8\ub098\ub97c \uc0dd\uc0b0\ud558\uae30 \uc704\ud55c \ucd94\uac00 \uacf5\uc815\uc744 \uac70\uce69\ub2c8\ub2e4.<\/p>\n
\uc774 \uad11\uc0b0\uc5d0\uc11c \ucc44\uad74\ub41c \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \ud638\uc8fc \uae00\ub798\ub4dc\uc2a4\ud1a4\uc758 \uc57c\uc6b4 \ubc0f \ud038\uc990\ub79c\ub4dc \uc54c\ub8e8\ubbf8\ub098(Yarwun and Queensland Alumina Ltd)\uc5d0\uc11c \uc815\uc81c\uc6a9\uc73c\ub85c \uc218\ucd9c\ub418\uba70 \uc77c\ubd80\ub294 \ud574\uc678(\uc608: \uc911\uad6d)\ub85c \ubcf4\ub0b4\uc9c0\uae30\ub3c4 \ud569\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8 \ucc44\uad74\uc740 \uae30\ub2c8\uc640 \uac19\uc740 \uad6d\uac00\uc5d0\uc11c \ud658\uacbd\uc5d0 \uc2ec\uac01\ud55c \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ucd5c\uadfc \uae30\ub2c8 \ucd5c\ub300 \uad11\uc0b0 \uc9c0\uc5ed\uc778 \ubcf4\ucf00\uc758 \uc9c0\uc5ed\uc0ac\ud68c \uc601\ud5a5\uc744 \ubd84\uc11d\ud55c \uacb0\uacfc, \ubcf4\ud06c\uc0ac\uc774\ud2b8 \ucc44\uad74\ub85c \uc778\ud574 \ud1a0\uc9c0\uc5d0 \ub300\ud55c \uc811\uadfc\uc131 \uc0c1\uc2e4, \uc218\uc790\uc6d0 \uace0\uac08, \uac74\uac15\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5, \uc9c0\uc5ed \uc8fc\ubbfc\uc758 \ud504\ub85c\uc81d\ud2b8 \uadfc\ub85c\uc790\uc5d0 \ub300\ud55c \ud3ed\ub825\uc801\uc778 \uacf5\uaca9 \ub4f1\uc73c\ub85c \ub18d\ucd0c \uc9c0\uc5ed\uc0ac\ud68c\uc758 \uc0b6\uacfc \uc0dd\uacc4\uac00 \ub4a4\ud754\ub4e4\ub9ac\uace0 \uc788\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc54c\ub8e8\ubbf8\ub284 \uc0dd\uc0b0\uc5d0\ub294 \ub9ce\uc740 \ud658\uacbd\uc801 \uc704\ud5d8\uc774 \uc218\ubc18\ub429\ub2c8\ub2e4. \ubcf4\ud06c\uc0ac\uc774\ud2b8 \ucc44\uad74\ub85c \uc778\ud574 \uad11\ub300\ud55c \uba74\uc801\uc758 \uc624\ub798\ub41c \uc232\uc774 \ud30c\uad34\ub418\uace0, \uc5d0\ub108\uc9c0 \uc9d1\uc57d\uc801\uc778 \uacf5\uc815\uc73c\ub85c \uc778\ud574 \ub300\uaddc\ubaa8 \ub310\uc774 \ud544\uc694\ud574 \uc6d0\uc8fc\ubbfc \uc9c0\uc5ed \uc0ac\ud68c\uc5d0 \ud64d\uc218\ub97c \uc77c\uc73c\ud0b5\ub2c8\ub2e4. \ub610\ud55c \uc0dd\uc0b0 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc720\ub3c5\uc131 \ubd89\uc740 \uc9c4\ud759\uc740 \uc81c\ub300\ub85c \ucc98\ub9ac\ub418\uc9c0 \uc54a\uc73c\uba74 \uc2ec\uac01\ud55c \uac74\uac15 \ubc0f \uc548\uc804 \uc704\ud611\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n
\ubd89\uc740 \uc9c4\ud759\uc744 \ub35c \uc704\ud5d8\ud558\uac8c \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc5f0\uad6c\ub294 \uad11\ubc94\uc704\ud558\uac8c \uc9c4\ud589\ub418\uc5b4 \uc654\uc73c\uba70, \ub300\ubd80\ubd84\uc758 \uc5f0\uad6c\ub294 \uadf8 \uc704\ud5d8\uc131\uc744 \uc81c\uac70\ud558\uae30\ubcf4\ub2e4\ub294 \uc644\ud654\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc5f0\uad6c\uc758 \uc911\uc694\ud55c \ubaa9\ud45c\ub294 \ubd80\uc2dd\uc131 \ud3d0\uae30\ubb3c\uc5d0\uc11c \ubc1c\uacac\ub418\ub294 \uc720\ud574 \uae08\uc18d\uc744 \ub0b4\ud654 \uad11\ubb3c\uc774\ub77c\uace0 \ud558\ub294 \uace0\uccb4 \ud615\ud0dc\ub85c \uac10\uc2f8\ub294 \uac83\uc774\uc5c8\uc73c\uba70, \uc774\ub7ec\ud55c \uace0\uccb4\ub294 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc54c\ub8e8\ubbf8\ub098 \uc81c\uc870\uc5c5\uccb4\ub294 \uc54c\ub8e8\ubbf8\ub098\uc640 \uac19\uc740 \ud76c\ud1a0\ub958 \uae08\uc18d\uc73c\ub85c \uc81c\ud488\uc5d0 \uc0ac\uc6a9\ud558\ub294 \uae08\uc18d \ud569\uae08\uc744 \uac15\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc790\ub4e4\uc740 \uc21c\uc218 \uc54c\ub8e8\ubbf8\ub284\ubcf4\ub2e4 40% \ub354 \uac15\ud55c \uc2a4\uce78\ub4d0-\uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uc744 \uac1c\ubc1c\ud558\uae30\ub3c4 \ud588\ub294\ub370, \ud56d\uacf5\uc6b0\uc8fc \uc81c\uc870\uc5c5\uccb4\ub4e4\uc740 \uc774\ub97c \uc0ac\uc6a9\ud558\uc5ec \ube44\ud589\uae30\ub97c \ub354 \uac00\ubccd\uace0 \uc5f0\ub8cc \ud6a8\uc728\uc801\uc73c\ub85c \ub9cc\ub4e4\uc5b4 \uc5f0\ub8cc \uc18c\ube44\uc640 \ubc30\uae30\uac00\uc2a4\ub97c \uc904\uc77c \uc218 \uc788\uc744 \uac83\uc73c\ub85c \uae30\ub300\ud558\uace0 \uc788\uc9c0\ub9cc \uc548\ud0c0\uae5d\uac8c\ub3c4 \ud0ac\ub85c\uadf8\ub7a8\ub2f9 $3500\uc758 \ub192\uc740 \uac00\uaca9\uc73c\ub85c \uc778\ud574 \uc774 \ubd84\uc57c\uc758 \uc131\uc7a5\uc774 \uc800\ud574\ub418\uace0 \uc788\ub294 \uc0c1\ud669\uc785\ub2c8\ub2e4.<\/p>\n
\ub0b4\ud654 \uad11\ubb3c\uc740 \uac74\ucd95 \uc790\uc7ac\uc5d0 \ub610 \ub2e4\ub978 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud604\uc7ac \uc774\ub7ec\ud55c \ubc29\uc2dd\uc73c\ub85c \uc7ac\ud65c\uc6a9\ub418\ub294 \ubcf4\ud06c\uc0ac\uc774\ud2b8 \uc794\uc5ec\ubb3c\uc740 \uc57d 3%\uc5d0 \ubd88\uacfc\ud558\uc9c0\ub9cc, \ubcbd\uc774\ub098 \uae30\ud0c0 \uac74\uc124 \ud504\ub85c\uc81d\ud2b8\uc5d0 \ud65c\uc6a9\ub420 \uc218 \uc788\uc73c\uba70 \ub300\ubd80\ubd84\uc740 \ub300\ud615 \ud3d0\uae30\ubb3c \ucc98\ub9ac\uc7a5, \uac74\uc870\uc7a5 \ub610\ub294 \ub9e4\ub9bd\uc9c0\ub85c \ubcf4\ub0b4\uc838 \ud3d0\uae30\ub429\ub2c8\ub2e4.<\/p>\n
\uadf8\ub7ec\ub098 \uc624\ub298\ub0a0 \uc5c5\uacc4\uac00 \uc9c1\uba74\ud55c \uac00\uc7a5 \ud070 \uacfc\uc81c\ub294 \ub9e4\ub144 \uc313\uc774\ub294 \ub9c9\ub300\ud55c \uc591\uc758 \ubcf4\ud06c\uc0ac\uc774\ud2b8 \uc794\uc5ec\ubb3c\uc744 \ud658\uacbd\uc801\uc73c\ub85c \uac74\uc804\ud558\uac8c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc744 \ucc3e\ub294 \uac83\uc785\ub2c8\ub2e4. \ud3d0\uae30\ubb3c\uc744 \uc790\uc5f0\uc5d0 \uc9c1\uc811 \ubc84\ub9ac\ub294 \ud604\uc7ac\uc758 \ubc29\ubc95\uc740 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4e4\uace0 \ud658\uacbd \ud30c\uad34\uc801\uc778 \uac83\uc73c\ub85c \uc785\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc911\uad6d\uc758 \uc5f0\uad6c\uc790\ub4e4\uc740 \ub2e4\uc591\ud55c \ubc14\uc778\ub354\uc640 \ud63c\ud569\ud558\uc5ec \uac00\uc131 \ud3d0\uae30\ubb3c\uc758 \uc548\uc815\uc131\uacfc \ub0b4\uad6c\uc131\uc744 \ub192\uc774\ub294 \uae30\uc220\uc744 \uace0\uc548\ud588\uc2b5\ub2c8\ub2e4. \ubc14\uc778\ub354\ub294 6\uac00 \ud06c\ub86c, \ub0a9, \uc140\ub808\ub284, \ubd88\uc18c, \ube44\uc18c \ub4f1 \uc801\ud1a0\uc5d0\uc11c \ubc1c\uacac\ub418\ub294 \uc720\ud574 \ubb3c\uc9c8\uc744 \uacb0\ud569\ud558\uc5ec \uce68\ucd9c\uc774\ub098 \ub3c5\uc131 \uc601\ud5a5\uc744 \uc904\uc774\uace0, \uce68\ud22c\uc131\uc744 \ub0ae\ucd94\uba74\uc11c \ubd84\ud574\ub97c \ub2a6\ucd94\ub294 \ucd94\uac00\uc801\uc778 \uc774\uc810\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc774 \ub2e8\uacc4\uc5d0\uc11c \ub728\uac70\uc6b4 \uac00\uc131\uc18c\ub2e4(NaOH) \uc6a9\uc561\uc740 \uae41\uc0ac\uc774\ud2b8, \ubcf4\uc5d0\ub9c8\uc774\ud2b8 \ubc0f \ub514\uc544\uc2a4\ud3ec\uc5b4\uc640 \uac19\uc740 \ubcf4\ud06c\uc0ac\uc774\ud2b8\uc5d0\uc11c \ubc1c\uacac\ub418\ub294 \uc54c\ub8e8\ubbf8\ub284 \ud568\uc720 \ubbf8\ub124\ub784\uc744 \uc6a9\ud574\ud558\uc5ec \uc784\uc2e0\uc8fc\ub77c\uace0 \uc54c\ub824\uc9c4 \uc54c\ub8e8\ubbf8\ub284\uc0b0\ub098\ud2b8\ub968 \uacfc\ud3ec\ud654 \uc6a9\uc561\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc18c\ud654 \ud6c4 \ub0a8\uc740 \ubd88\uc6a9\uc131 \uc794\ub958\ubb3c\uc744 \uc801\ud1a0\ub77c\uace0 \ud558\uba70 \uace0\ud488\uc9c8 \uc54c\ub8e8\ubbf8\ub098 \uc81c\ud488\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc81c\uac70\ud574\uc57c \ud558\ub294 \uc0b0\ud654\ucca0, \uaddc\uc0b0\ub098\ud2b8\ub968, \uc774\uc0b0\ud654\ud2f0\ud0c0\ub284\uacfc \uac19\uc740 \ubd88\uc21c\ubb3c\uc744 \ud3ec\ud568\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uadf8\ub7f0 \ub2e4\uc74c \uc54c\ub8e8\ubbf8\ub284\uc0b0\uc5fc \uc6a9\uc561\uc740 \ucd94\uac00 \ucc98\ub9ac\ub97c \uc704\ud574 \ubc18\uc751 \ud68c\ub85c\ub85c \uc54c\ub824\uc9c4 \uc77c\ub828\uc758 \uc6a9\uae30\ub97c \ud1b5\uacfc\ud558\uc5ec \ubcf4\uc548 \ud544\ud130\ub97c \ud1b5\uacfc\ud558\uc5ec \uace0\uccb4 \uc54c\ub8e8\ubbf8\ub098 \uc785\uc790\ub97c \uac00\uc131\uc18c\ub2e4\uc5d0\uc11c \ubd84\ub9ac\ud558\uace0 \uc774 \uac12\ube44\uc2fc \ud654\ud559 \ubb3c\uc9c8\uc758 \uacfc\ub3c4\ud55c \uc190\uc2e4\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc0bc\uc218\uc0b0\ud654\uc54c\ub8e8\ubbf8\ub098\uac00 \ud48d\ubd80\ud55c \ud22c\uba85\ud55c \uc784\uc2e0\uc561\uc740 \ucd94\uac00 \uce68\uc804 \ub2e8\uacc4\ub97c \uc704\ud574 \ubc14\uc774\uc5d8 \uacf5\uc815\uc758 \uce68\uc804 \uc139\uc158\uc73c\ub85c \ub2e4\uc2dc \ubcf4\ub0b4\uc9d1\ub2c8\ub2e4.<\/p>\n
\uc720\uc785\ub418\ub294 \uc57d 10%~25% \ubd80\ud53c\uc758 \uc784\uc2e0\uc561 \uc2a4\ud2b8\ub9bc\uc740 \uc911\uac04 \uc785\uc790 \ud06c\uae30\uac00 30~60\ub9c8\uc774\ud06c\ub860\uc778 \ubbf8\uc138 \uc218\uc0b0\ud654\uc54c\ub8e8\ubbf8\ub284 \uc885\uc790 \uacb0\uc815\uc744 \ud3ec\ud568\ud558\ub294 \ud0f1\ud06c\ub85c \uad6c\uc131\ub41c \uc751\uc9d1 \uc139\uc158\uc73c\ub85c \ubcf4\ub0b4\uc9c4 \ub2e4\uc74c \uc774 \uc751\uc9d1 \uc139\uc158\uc5d0\uc11c \uc57d 6\uc2dc\uac04 \ub3d9\uc548 \uce68\uc804 \ubc0f \uc751\uc9d1\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n
\uc784\uc2e0\ud55c \uc561\uccb4\uac00 \uce68\uc804 \uc139\uc158\uc73c\ub85c \uc62e\uaca8\uc9c0\uba74, \uc911\uac04 \ud06c\uae30 80~100\ubbf8\ud06c\ub860\uc758 \uac70\uce5c \uc0bc\uc218\uc0b0\ud654 \uc54c\ub8e8\ubbf8\ub098 \uc885\uc790 \uacb0\uc815\uc774 \ub4e4\uc5b4 \uc788\ub294 \uc131\uc7a5 \uc139\uc158 \ud0f1\ud06c\ub77c\uace0 \ud558\ub294 \ub354 \ud070 \uc6a9\uae30\uc5d0 \uce68\uc804\ub429\ub2c8\ub2e4.<\/p>\n
\uce68\uc804 \ud0f1\ud06c\uac00 \ub0c9\uac01\ub418\uba74\uc11c \uc54c\ub8e8\ubbf8\ub098 \uacb0\uc815\uc774 \ud615\uc131\ub418\uae30 \uc2dc\uc791\ud558\uace0 \uc810\ucc28 \ub2e4\uc591\ud55c \ud06c\uae30 \ubc94\uc704\ub85c \ubd84\ub9ac\ub429\ub2c8\ub2e4. \ud070 \uacb0\uc815\uc740 \ub0b4\ud654 \ub4f1\uae09 \uc81c\ud488\uc73c\ub85c \ubd84\ub958\ub418\uace0 \uc791\uc740 \uc785\uc790\ub294 \uc18c\uc131 \uacfc\uc815\uc744 \uac70\uce58\ub294\ub370, \uc774 \uacfc\uc815\uc5d0\uc11c \uc794\uc5ec \uc9c4\ud759 \ucc0c\uaebc\uae30\ub97c \uc53b\uc5b4\ub0b4\uc5b4 \uc591\uc9c8\uc758 \uc81c\ud488\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n
\ud68c\uc804\uc2dd \uac74\uc870\uae30\uc5d0\uc11c \uc644\uc804\ud788 \ud63c\ud569\ud558\uace0 \uac74\uc870\uc2dc\ud0a8 \uc54c\ub8e8\ubbf8\ub098\ub294 \ucd94\uac00 \uac00\uacf5\uc744 \uc704\ud574 \uc785\uc790 \ud06c\uae30\ub97c \ubcc0\uacbd\ud558\uc9c0 \uc54a\uace0 \uc870\uc131\uacfc \uacb0\uc815 \uad6c\uc870\ub97c \ubcc0\uacbd\ud558\ub294 \uc18c\uc131 \uacfc\uc815\uc744 \uac70\uce69\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc11d\uc740 \ubc14\uc774\uc5d8 \uacf5\uc815\uc744 \ud1b5\ud574 \uc54c\ub8e8\ubbf8\ub284 \uc0b0\ud654\ubb3c(Al2O3)\ub85c \uc815\uc81c\ub418\uc5b4 \uc54c\ub8e8\ubbf8\ub098[Al2O3]\ub77c\ub294 \ubc31\uc0c9 \uacb0\uc815\uc131 \ubd84\ub9d0\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uc774 \uc815\uc81c\ub41c \ud615\ud0dc\ub85c \uc81c\ub828\ub41c \uc54c\ub8e8\ubbf8\ub284 \uae08\uc18d\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 4\ud1a4\uc758 \ubcf4\ud06c\uc0ac\uc774\ud2b8\ub294 \uc5f0\ub9c8\uc7ac\uc640 \uc138\ub77c\ubbf9 \ub4f1 \ub2e4\uc591\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub294 2\ud1a4\uc758 \uc54c\ub8e8\ubbf8\ub098\ub97c \uc0dd\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n
\ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc11d\uc740 \ub85c\ub4dc \ub610\ub294 \ubcfc \ubc00\uc5d0\uc11c \ubd84\uc1c4\ub418\uc5b4 \ubbf8\uc138\ud55c \uc2ac\ub7ec\ub9ac\ub97c \ud615\uc131\ud55c \ub2e4\uc74c 145~265\u2103\uc758 \uc555\ub825\uacfc \uc628\ub3c4\uc5d0\uc11c \uc555\ub825 \uc6a9\uae30\uc5d0\uc11c \ucd5c\ub300 170g\/L \ub18d\ub3c4\uc758 \uac00\uc131\uc18c\ub2e4\ub85c \ubd84\ud574\ub418\ub294\ub370, \uc774 \uacfc\uc815\uc744 \uc784\uc2e0\uc561 \ubd84\ud574\ub77c\uace0 \ud569\ub2c8\ub2e4. \ubc18\uc751\uc740 \uac00\uc131\uc18c\ub2e4\uc758 \ucca8\uac00\ub97c \ud1b5\ud574 \ud55c \ubc29\ud5a5\uc73c\ub85c \uc9c4\ud589\ub418\uba70, \uacfc\ud3ec\ud654 \uc6a9\uc561\uc774 \ud615\uc131\ub41c \ub2e4\uc74c \uc81c\uc5b4\ub41c \ub0c9\uac01 \uc2dc \ubcf4\ub9c8\uc774\ud2b8 \uacb0\uc815 \uce68\uc804\uc774 \uc77c\uc5b4\ub098\uae30 \uc804\uc5d0 \ud0a4\uac00 \ud070 \uc2e4\ub85c\ud615 \uce68\uc804\uae30\ub85c \ud38c\ud551\ub418\uc5b4 \uc54c\ub8e8\ubbf8\ub098 \ud568\uc720 \uc2ac\ub798\uadf8\ub97c \ud615\uc131\ud558\uace0 \uc5ec\ubd84\uc758 \uac00\uc131\uc18c\ub2e4\ub294 \uc18c\ud654\ub97c \uc704\ud574 \ub418\ub3cc\uc544\uac11\ub2c8\ub2e4.<\/p>\n
\uc870 \uc0ac\uc774\ud074\ub860\uc740 \uc54c\ub8e8\ubbf8\ub098 \ud568\uc720 \ubb3c\uc9c8\uc774 \ud3ec\ud568\ub41c \uc2ac\ub798\uadf8\uc5d0\uc11c \uac70\uce5c \uc785\uc790\ub97c \ubd84\ub9ac\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\uba70, \ubbf8\uc138\ud55c \uc785\uc790\ub294 \ud569\uc131 \uc751\uc9d1\uc81c\uc640 \ud568\uaed8 \ub808\uc774\ud0b9 \ub18d\ucd95\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \uce68\uc804\uc2dc\ud0b5\ub2c8\ub2e4. \ub450 \ub18d\ucd95\uae30 \ubaa8\ub450 \uadf9\ud55c\uc758 \uc628\ub3c4\uc640 \uc555\ub825 \uc870\uac74\uc5d0\uc11c \uc791\ub3d9\ud558\ubbc0\ub85c \uc624\ub298\ub0a0 \uc2dc\uc7a5\uc5d0\uc11c \uac00\uc7a5 \uc9c4\ubcf4\ub41c \ucc98\ub9ac \uc7a5\ube44 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n
\ubaa8\ub4e0 \uad11\uc5c5\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc54c\ub8e8\ubbf8\ub098 \uacf5\uc7a5\ub3c4 \ud658\uacbd \ubc0f \uac74\uac15 \uc704\ud5d8\uc5d0 \uc9c1\uba74\ud574 \uc788\uc2b5\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub098 \uc815\uc81c \uacf5\uc815\uc740 \uc5d0\ub108\uc9c0 \uc9d1\uc57d\uc801\uc774\uba70 \uc0c1\ub2f9\ud55c \ud3d0\uae30\ubb3c\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\ubbc0\ub85c \uacf5\uc7a5 \uc18c\uc720\uc8fc\ub294 \uc0dd\uc0b0 \ud6a8\uc728\uc131\uc744 \ub192\uc774\uba74\uc11c \uc5f0\ub8cc\uc640 \uac00\uc131\uc18c\ub2e4 \uc0ac\uc6a9\ub7c9\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ub178\ub825\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\uc54c\ub8e8\ubbf8\ub098 \uc815\uc81c\uc18c\uc758 \uac74\uac15 \uc704\ud5d8\uc740 \ud2b9\ud788 \ud638\ud761\uae30 \ubc0f \uc704\uc7a5 \uc9c8\ud658\uacfc \uad00\ub828\ud558\uc5ec \uc911\uc694\ud55c \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc77c\ubd80 \uc9c0\uc5ed\uc740 \ub9d0\ub77c\ub9ac\uc544\ub098 \ub385\uae30\uc5f4\uacfc \uac19\uc740 \uc5f4\ub300\uc131 \uc9c8\ubcd1\uc5d0 \ucde8\uc57d\ud558\uae30 \ub54c\ubb38\uc5d0 \uadfc\ub85c\uc790\ub4e4\uc740 \uc774 \ubb38\uc81c\uc5d0 \ub300\ud55c \uad50\uc721\uacfc \uc608\ubc29 \uc811\uc885\uc744 \ubc1b\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc54c\ub8e8\ubbf8\ub284 \uc0b0\uc5c5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\ub978 \uc0b0\uc5c5\uc5d0 \ube44\ud574 \uc9c1\uc5c5\uc131 \uc11d\uba74 \ub178\ucd9c\uc774 \ub0ae\uc9c0\ub9cc, \ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc0b0\uacfc \uc54c\ub8e8\ubbf8\ub098 \uc815\ub828\uc18c \uadfc\ub85c\uc790\ub294 \uc11d\uba74 \ubc0f \uae30\ud0c0 \ub3c5\uc131 \ud654\ud559\ubb3c\uc9c8\uc5d0 \ub178\ucd9c\ub420 \uc704\ud5d8\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc911\ud53c\uc885\uc740 \ud638\uc8fc \ubcf4\ud06c\uc0ac\uc774\ud2b8 \uad11\uc0b0 \ubc0f \uc81c\ub828\uc18c\uc640 \uad00\ub828\uc774 \uc788\uc73c\uba70, \ud540\uc790\ub77c \uc54c\ub8e8\ubbf8\ub098 \uc815\ub828\uc18c\uc5d0\uc11c \uc218\uc9d1\ub41c \uc704\uce58 \ubc0f \uac1c\uc778 \ubaa8\ub2c8\ud130\ub9c1 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74 \uc9c1\uc6d0\ub4e4\uc758 \uc694\uc911 \uc218\uc740 \uc218\uce58\uac00 \ud604\uc7ac \ud638\uc8fc \uac00\uc774\ub4dc\ub77c\uc778\uc778 \ud06c\ub808\uc544\ud2f0\ub2cc 20mg\/g \uc774\ub0b4\uc778 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminum is one of the three most abundant elements on Earth, following oxygen and silicon. Bauxite ore is processed through […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-733","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/posts\/733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/comments?post=733"}],"version-history":[{"count":1,"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/posts\/733\/revisions"}],"predecessor-version":[{"id":734,"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/posts\/733\/revisions\/734"}],"wp:attachment":[{"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/media?parent=733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/categories?post=733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artehistoria.net\/ko\/wp-json\/wp\/v2\/tags?post=733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}