2003
DOI: 10.1016/s0045-6535(02)00850-0
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Arsenic(V) removal with a Ce(IV)-doped iron oxide adsorbent

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Cited by 248 publications
(136 citation statements)
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“…The obtained sorption capacity for Fe-modified peat was 15.11 mg g -1 , whereas in the presence of SO 4 2− anions it was 13.67 mg g -1 , and in the presence of NO 3 − , Cl − and tartrate anions - 13.12 mg g -1 , 15.01 mg g -1 and 13.3 mg g -1 respectively. The results of this study are in agreement with the research done under the supervision of Y. Zhang [36], who suggested that Cl − , NO 3 − and SO 4 2− do not interfere with the removal of As(V) using Ce-Fe adsorbent. In contrast to that, the presence of oxalate, phosphate and humic acid significantly reduced the removal rate of arsenic (Fig.…”
Section: Influence Of Competing Substances On Sorption Of Metalloidssupporting
confidence: 91%
“…The obtained sorption capacity for Fe-modified peat was 15.11 mg g -1 , whereas in the presence of SO 4 2− anions it was 13.67 mg g -1 , and in the presence of NO 3 − , Cl − and tartrate anions - 13.12 mg g -1 , 15.01 mg g -1 and 13.3 mg g -1 respectively. The results of this study are in agreement with the research done under the supervision of Y. Zhang [36], who suggested that Cl − , NO 3 − and SO 4 2− do not interfere with the removal of As(V) using Ce-Fe adsorbent. In contrast to that, the presence of oxalate, phosphate and humic acid significantly reduced the removal rate of arsenic (Fig.…”
Section: Influence Of Competing Substances On Sorption Of Metalloidssupporting
confidence: 91%
“…100 mmol L −1 stock solutions of arsenate, P, and F ions were prepared by dissolving dibasic sodium arsenate, potassium dihydrogen phosphate, and sodium fluoride, respectively, in distilled water. Fe-Ce bimetal oxide adsorbents were prepared by a coprecipitation method and were characterized as described in our previous work [6,7].…”
Section: Methodsmentioning
confidence: 99%
“…The surface hydroxyl groups on metal oxides are considered as the most abundant and active adsorption sites for adsorption of anions from water [28][29][30]. In our previous studies [6,7] the surface acidity and formation of surface hydroxyl groups of the Fe-Ce have been provide to the interpretation of the adsorption behaviors. At the same time, the exchange of surface sulfate groups has also been suggested to be an important mechanism for the removal of arsenate [31,32].…”
Section: Surface Active Sites For Arsenate Adsorptionmentioning
confidence: 99%
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“…Human poisoning and death from arsenic have occurred in Taiwan, Bangladesh, India, etc. [2]. Chronic arsenism poses a serious health problem in China also [3].…”
Section: Introductionmentioning
confidence: 99%