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Çѱ¹Áö¹Ý°øÇÐȸ / v.16, no.4, 2000³â, pp.157-170
È¥ÇÕ ÈíÂø-¿¬¼ÓÃßÃâ¹ýÀ» ÀÌ¿ëÇÑ Á¡Åä Â÷¼öÀçÀÇ ±¸¸®(Cu) ÈíÂø ¹× ¾Æ¿¬°ú ±¸¸® °æÀï ÈíÂø ½Ã ¿Âµµ ¿µÇâ¿¡ °üÇÑ ¿¬±¸(II)
( Effect of Temperature on Cu Adsorption and Competitive Adsorption of Zn and Cu onto Natural Clays using Combined Adsorption-sequential Extraction Analysis(II) )
µµ³²¿µ;À̽·¡; Á¤È¸¿ø, Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;Á¤È¸¿ø, Çѱ¹°úÇбâ¼ú¿ø Åä¸ñ°øÇаú;
 
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º» ¿¬±¸¿¡¼­´Â ÀÚ¿¬Á¡Åä¿¡ ´ëÇÑ ±¸¸® ÈíÂø ¹× ±¸¸®¿Í ¾Æ¿¬ÀÇ °æÀï ÈíÂø ½Ã ¿Âµµº¯È­¿¡ µû¸¥ ÈëÀÇ °¢ ±¸¼º¼ººÐº° ÈíÂø°Åµ¿À» »ìÆìº¸±â À§ÇØ È¥ÇÕ ÈíÂø-¿¬¼ÓÃßÃâ¹ý(combined adsorption-sequential extraction analysis, CASA)À» »ç¿ëÇÏ¿´´Ù. ½ÇÇè°á°ú Áß±Ý¼Ó ¾Æ¿¬ÀÇ °æ¿ì ³óµµ¿¡ µû¸¥ Â÷ÀÌ´Â ÀÖÁö¸¸ ¿ÂµµÁõ°¡¿¡ µû¶ó ÁÖ·Î À̿±³È¯ ÇüÅ·ΠÈíÂøµÇ´Â °ÍÀ» ¾Ë ¼ö ÀÖ°í, ±¸¸®¿Í °æÀïÈíÂøÀÇ °æ¿ì ÀÌ·¯ÇÑ °æÇâÀº ´õ¿í Ä¿Á®¼­ ¾à 80~90%Á¤µµ°¡ À̿±³È¯ÇüÅ·ΠÈíÂøµÇ¾îÁø´Ù. ¹Ý¸é ±¸¸®ÀÇ °æ¿ì ½ÇÇèÀ» ¼öÇàÇÑ °ÅÀÇ ¸ðµç ³óµµ ¹üÀ§¿¡¼­ ¾à 50%ÀÌ»óÀÌ Åº»ê¿° ÇüÅ·ΠÈíÂøµÇ¾îÁø´Ù. ź»ê¿°ÇüÅ·ÎÀÇ ÈíÂø ¾ç»óÀº ´ÜÀÏ ÈíÂøÀÇ °æ¿ì ¿ÂµµÁõ°¡¿¡ µû¶ó ¾à 5% Áõ°¡ÇÏ´Â °æÇâÀ» º¸À̰í, °æÀïÈíÂøÀÇ °æ¿ì¿¡´Â ¾à 10%Á¤µµ Áõ°¡ÇÏ´Â °æÇâÀ» ³ªÅ¸³»¾ú´Ù. ±×¸®°í ÀÚ¿¬Á¡Åä¿¡¼­ÀÇ ¾Æ¿¬°ú ±¸¸®ÀÇ °¢ ±¸¼º¼ººÐ º° ÈíÂø°Åµ¿Àº À̿ ±³È¯ ÇüÅ·ΠºÐ¹èµÇ´Â °æ¿ì¸¦ Á¦¿ÜÇϰí´Â ¿ÂµµÁõ°¡¿¡ µû¶ó ÈíÂø·®ÀÌ Áõ°¡ÇÏ´Â Èí¿­¹ÝÀÀ$(DeltaH0>0)$ÀÎ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
In this study, we conducted a combined adsorption-sequential extraction analysis(CASA) to investigate temperature effects of single and competitive adsorption of zinc and copper on natural clays. As a result, it was found out that in a single adsorption of zinc, the adsorption was mostly in the exchangeable phase, with increase n temperature. In a competitive adsorption of zinc, this trend was so strong that the exchangeable phase adsorption increase up to 80~90%. On the other hand, about 50% of copper was adsorbed in the carbonate occluded phase in single and competitive adsorptions. In the single adsorption the adsorption of carbonate occluded phase increased by 5% with the temperature increase and in the competitive adsorption the increase rate is about twice. The adsorption of zinc and copper on natural clays is an endothermic reaction with the exception of exchangeable phase adsorption.
 
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Zinc;Copper;Competitive adsorption;Combined Adsorption-Sequential Extraction analysis(CASA);Temperature effect;
 
Çѱ¹Áö¹Ý°øÇÐȸ³í¹®Áý / v.16, no.4, 2000³â, pp.157-170
Çѱ¹Áö¹Ý°øÇÐȸ
ISSN : 1229-2427
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200011920441429)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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