Effects of hydrosulfide and pH on iodine release from an alumina matrix solid confining silver iodide
- PDF / 265,095 Bytes
- 8 Pages / 432 x 648 pts Page_size
- 111 Downloads / 209 Views
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
21
ZLWKWKHDGYDQFHGUHSURFHVVLQJSURJUDPWRLPPRELOL]HLRGLQH7ZRLPSRUWDQWUHTXLUHPHQWVIRU WKLVZDVWHIRUPDUHWKHHIILFLHQWLQFRUSRUDWLRQRILRGLQHDQGORQJWHUPGXUDELOLW\XQGHU UHSRVLWRU\FRQGLWLRQV,QDGGLWLRQDVRXQGXQGHUVWDQGLQJRIWKHLRGLQHOHDFKLQJEHKDYLRULV QHFHVVDU\ 6HYHUDOWHFKQLTXHVKDYHEHHQXVHGWRLPPRELOL]HLRGLQH>±@3RWHQWLDOPDWHULDOVIRU LRGLQHLPPRELOL]DWLRQLQVWXGLHVSULRUWRZHUHVXPPDUL]HGE\WKH,$($>@6LQFHWKHQWKH V\QWKHVHVRIFHUWDLQLRGLQHEHDULQJPDWHULDOVVXFKDVDSDWLWH>@6\QURF>@DQG]HROLWHKDYH EHHQGHPRQVWUDWHG>@7KHVHZRUNVKDYHIRFXVHGRQHOXFLGDWLQJWKHEHKDYLRURILRGLQHXSWDNH LQWRWKHPDWUL[5HFHQWVWXGLHVKDYHLQYROYHGGXUDELOLW\DQGLRGLQHOHDFKLQJWHVWVIRUZDVWHIRUP VWLPXODQWVXQGHUGLVSRVDOFRQGLWLRQV>±@ 2QHSRWHQWLDOPHWKRGIRUSK\VLFDOFRQILQHPHQWLVWRXVHDOXPLQDPDWUL[VROLGLILFDWLRQWR UHWDLQILQH$J,LQWKHFU\VWDOJUDLQERXQGDULHVRIWKHĮDOXPLQDFRUXQGXP PDWUL[E\VXEMHFWLQJ WKHVSHQWVLOYHUVRUEHQWWRKRWLVRVWDWLFSUHVVLQJ+,3 >@7KLVSRWHQWLDOWHFKQLTXHKDVWZR DGYDQWDJHV,WLVDVLPSOHSURFHVVWKDWGRHVQRWLVRODWHWKHDGVRUEHGLRGLQHDQGWKHEDVHPDWHULDO RIWKHVRUEHQWDOXPLQD FDQEHXVHGDVDVROLGLILFDWLRQPDWUL[FRUXQGXP 7KHFRUXQGXPPDWUL[ LVH[SHFWHGWRVHUYHDSURWHFWLYHUROHLQ$J,GLVVROXWLRQ2QHSURSRVHGVROLGLILFDWLRQSURFHVV FRQVLVWVRIWKHIROORZLQJWKUHHVWHSV SUHKHDWLQJWKHVSHQWVRUEHQWWRUHPRYHYRODWLOH FRPSRQHQWVVXFKDV12[DQG2 HQFDSVXODWLQJWKHVRUEHQWLQDVWDLQOHVVVWHHOYHVVHO/WR / DQGYDFXXPVHDOLQJWKHYHVVHODQG SHUIRUPLQJ+,3DW&DQG03DIRUKRXUV >@7KLVSURFHVVKDVEHHQGHPRQVWUDWHGWRUHVXOWLQDGHULYHGVROLGZLWKLQDGHQVHDQGUREXVW ERG\ZLWKDXQLD[LDOFRPSUHVVLYHVWUHQJWKRI*3D>@ 7KHGLVVROXWLRQEHKDYLRURI$J,>@DQGWKHDOXPLQDPDWUL[>@KDYHEHHQ LQYHVWLJDWHGDVIXQGDPHQWDOSURFHVVHVWRXQGHUVWDQGKRZWKH\DIIHFWLRGLQHOHDFKLQJIURPWKH VROLG7KHILUVWVHWRIVWXGLHVVKRZHGWKDWDPRQJFRQFHLYDEOHUHGXFWDQW
Data Loading...