Control of arsenic adsorption and arsenic desorption properties of novel porous iron particles for application to arsenic recovery process
Control of arsenic adsorption and arsenic desorption properties of novel porous iron particles for application to arsenic recovery process
批准号:
24656452
负责人:
SUZUKI Shigeru
金额:
$2.5万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Challenging Exploratory Research
财政年份:
2012
资助国家:
日本
项目状态:
已结题
起止时间:
2012-04-01 至 2014-03-31
中文摘要
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英文摘要
The porous particles of maghemite are synthesized from hydrated iron arsenite and hydrated iron phosphate particles such as scorodite, strengite and metastrengite. Such particles are candidates of arsenic adsorbents, because these exhibit large specific surface and superior filterability. In this study, arsenic adsorption and arsenic desorption properties were investigated under different solution conditions. The arsenic adsorption capacity was increased with decreasing pH. The arsenic adsorbed on porous particles was desorbed by the immersion in an alkaline solution. In addition, the arsenic desorption was accelerated by the immersion of a metallic iron plate. Such behavior is attributable to the decrease of electrical potential in the solution.
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Characterization of large scorodite particles synthesized from Fe(II) and As(V) solution
Fe(II) 和 As(V) 溶液合成大臭葱石颗粒的表征
DOI:
--
发表时间:
2014
期刊:
Ceramic Transactions
影响因子:
--
作者:
[S. Suzuki, S. Fujieda, K. Shinoda, E Shibata, T. Nakamura, T Inanaga and M. Abumiya]
通讯作者:
T Inanaga and M. Abumiya
Arsenic adsorption properties of porous iron oxide particles synthesized from iron phosphate particles using alkaline solution
碱性溶液中磷酸铁颗粒合成的多孔氧化铁颗粒的砷吸附性能
DOI:
--
发表时间:
2014
期刊:
Ceramic Transactions
影响因子:
--
作者:
[S. Fujieda, K. Shinoda and S. Suzuki]
通讯作者:
K. Shinoda and S. Suzuki
珪酸イオンを吸着した異なる酸化鉄粒子の熱処理によるmaghemite-hematite 結晶構造変化
不同氧化铁颗粒吸附硅酸盐离子热处理导致磁赤铁矿-赤铁矿晶体结构的变化
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[神谷忠弘, 藤枝 俊, 篠田弘造, 鈴木 茂]
通讯作者:
鈴木 茂
珪酸イオンを吸着した異なる酸化鉄粒子の熱処理によるmaghemite-hematite結晶構造変化
不同氧化铁颗粒吸附硅酸盐离子热处理导致磁赤铁矿-赤铁矿晶体结构的变化
DOI:
--
发表时间:
2013
期刊:
影响因子:
--
作者:
[神谷 忠弘, 藤枝俊, 篠田弘造, 鈴木茂]
通讯作者:
鈴木茂
多元物質科学研究所 業績データベース
多维材料科学研究所成果数据库
DOI:
--
发表时间:
期刊:
影响因子:
--
作者:
[]
通讯作者:
共 10 条
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海外基金