Needle-like iron oxide@CaCO3 adsorbents for ultrafast removal of anionic and cationic heavy metal ions
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- 作者：Md. Shahinul Islama ; b ; Won San Choic ; choiws@hanbat.ac.kr" class="auth_mail" title="E-mail the corresponding author ; Bora Namd ; Cheolho Yoone ; Ha-Jin Leea ; b ; hajinlee@kbsi.re.kr" class="auth_mail" title="E-mail the corresponding author
- 关键词：Calcium carbonate ; Iron oxide ; Adsorbent ; Heavy metal ion removal ; Water treatment
- 刊名：Chemical Engineering Journal
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：307
- 期：Complete
- 页码：208-219
- 全文大小：3226 K
文摘
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IO@CaCO3 shows ultrafast removal efficiency for As(V), Cr(VI) and Pb(II).
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Synergistic effect enables IO@CaCO3 to purify wastewater up to drinkable level within 9 min.
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Adsorption involves both ion-exchange reaction and electrostatic interaction.
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Heavy metal ion removal by IO@CaCO3 was also successful by column filtration.