石英砂负载氧化铁的表征及其除锑吸附性能研究.pdfVIP

26 4 V o l. 26, N o. 4 2006 4 A cta Scientiae C ircum stantiae A pr. , 2006 , , . 2006. [ J] . , 26( 4 : 607- 6 12 X u G M, Sh i Z, D eng J. 2006. Characterization of iron ox ide coated sand and its adsorpt ion p ropert ies in ant mi ony rem oval [ J ] . A cta Scient iae C ircum stant iae, 26 ( 4 : 607 - 6 12 * 许光眉, 施 周 , 邓 军 湖南大学土木工程学院水工程与科学系, 长沙 4 10082 : 2005-08- 18 : 2006-02- 16 : 2006-02-20 : SEM /EDAX N ova-1000 , 200 nm , 2 @ 10- 9 ~ 9 @ 10- 9m 0. 11% , 5 . ( IO CS ( , pH , , pH 3 ~ 9 , 98% . L angmu ir. : IOCS . : ; ; ; ; ; : 0253-2468 ( 2006 04-0607-06 : X131 : A Characterization of iron oxide coated sand and its adsorption properties in antim ony removal * XU Guangm ei, SH I Zhou , DENG Jun D epartm en t of W ater Eng ineering and S cience , College of C ivil Engin eering, H unan U n ivers ity, C hangsha 4 10082 R eceived 18 A ugust 2005; received in revised form 16 February 2006; accepted 20 Feb ru ary 2006 A bstract: Iron ox id e coated sand ( IO CS w as characterized th rough SEM / EDAX and N ova-1000 surfacem icrograph. It w as found that the part icle size of iron ox ide w as about 200nm, th e pore s ize d istribut ion and the particle poros ity of the iron ox ide w ere ranged 2 @ 10- 9 ~ 9 @ 10- 9m and 0. 11% , respect ively. T h e BET special surface area of IOCS w as 5 tmi es that of uncoated sand. T h e ad sorp tion expermi ents perform ed under d ifferent cond it ion s in term s of t mi e, pH and tem perature. T he resu lts ind icated th at rem oval of Sb by IO CS could