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shaopenghui

Òø³æ (ÕýʽдÊÖ)

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ÖÐÎÄÕªÒª£ºÊ״βÉÓÃxxxΪԭÁÏÖÆ±¸Îü¸½¼Á£¬ÔªËØ·ÖÎö¡¢XRD¡¢ºìÍâͼÆ××ۺϼø¶¨Îª´ÅÌú¿ó-ÕëÌú¿ó»ìºÏÏࣨMagnetite-Goethite Mix phase,MGM£©£¬Æä±È±íÃæ»ýΪ98.3m2/g£¬Æ½¾ùÁ£¾¶Îª510nm£¬ÁãµçºÉµãÔÚpH=5.7¸½½ü£»Á×ÔÚMGMÉϵÄÎü¸½µÈÎÂÏß·ûºÏLangmuir·½³Ì£¬ÆäÎü¸½ÀúʱÇúÏß×ñÑ­×¼¶þ¼¶¶¯Á¦Ñ§Ä£ÐÍ£¬ÉýÎÂÄÜ´Ù½øÁ×µÄÎü¸½£»ÔÚʵ¼Ê·ÏË®Á×Ũ¶ÈΪ51.8mg/L¡¢³õʼÈÜÒºpH=2µÄÌõ¼þÏ£¬µ±MGMͶ¼ÓÁ¿Îª10g/Lʱ£¬Á×µÄÈ¥³ýÂÊΪ94.16%¡£

Abstract: For the first time using xxx to prepare the adsorbent. Magnetite- Goethite Mix phase(MGM) is determined by XRD,FTIR and Elemental analysis for the adsorbent. MGM shows BET surface area of 98.3 m2/g and volume average diameter of 510nm.The point of zero charge is near pH5.7;Phosphorus adsorption isotherms can be well described by Langmuir equation. The time-resolved curves of phosphorus adsorption on MGM follows pseudo-second-order kinetic model. Elevated temperatures can promote phosphorus adsorption. For initial phosphate concentration of 51.8 mg/L and pH value of 2,phosphate removal rate of 94.16% were observed at the dosage of 10 g/L.


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lixing-51

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ÕªÒª:Ê×´ÎʹÓÃxxx×¼±¸Îü¸½¼Á¡£´ÅÌú¿ó-ÕëÌú¿ó»ìºÏ½×¶Î(MGM)ÊÇÓÉXRD¡¢ºìÍâ¹âÆ×ºÍÔªËØ·ÖÎö¶ÔÎü¸½¼Á¡£Ã׸ß÷ÏÔʾBET±íÃæ»ý98.3ƽ·½Ã×/ gºÍÌå»ýƽ¾ùÖ±¾¶510ÄÉÃס£ÁãµçºÉµã¸½½üpH5.7;Á×Îü¸½µÈÎÂÏß¿ÉÒÔÓÃÀÊçѶû·½³ÌÃèÊö¡£Á×Îü¸½µÄʱ¼ä·Ö±æÇúÏßÃ׸ß÷×ñÑ­pseudo-second-order¶¯Á¦Ñ§Ä£ÐÍ¡£Éý¸ßζȿÉÒÔ´Ù½øÁ×Îü¸½¡£³õʼÁ×Ũ¶ÈΪ51.8 mg / LºÍpHÖµµÄÁ×ËáÑÎÈ¥³ýÂÊ94.16%µÄ¹Û²ìÔÚ10 g / LµÄ¼ÁÁ¿¡£
2Â¥2014-04-10 22:09:39
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2Â¥: Originally posted by lixing-51 at 2014-04-10 22:09:39
ÕªÒª:Ê×´ÎʹÓÃxxx×¼±¸Îü¸½¼Á¡£´ÅÌú¿ó-ÕëÌú¿ó»ìºÏ½×¶Î(MGM)ÊÇÓÉXRD¡¢ºìÍâ¹âÆ×ºÍÔªËØ·ÖÎö¶ÔÎü¸½¼Á¡£Ã׸ß÷ÏÔʾBET±íÃæ»ý98.3ƽ·½Ã×/ gºÍÌå»ýƽ¾ùÖ±¾¶510ÄÉÃס£ÁãµçºÉµã¸½½üpH5.7;Á×Îü¸½µÈÎÂÏß¿ÉÒÔÓÃÀÊçѶû·½³ÌÃèÊö¡£Á× ...

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