SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE

SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE

Abstractγ-FeOOH nanorods adsorbent for As5+ removal was prepared by a chemical co-precipitation method. The maximum adsorption capacities for As5+was 63.75 mg/g at pH= 6.0, higher than of Fe2O3, Fe3O4... The adsorption data accorded with Freundlich isotherms. At study pH, for arsen, the adsorption e...

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Những tác giả chính: Nguyễn, Đình Trung, Trương, Đông Phương
Định dạng: Journal article
Ngôn ngữ:English
Được phát hành: 2022
Những chủ đề:
As, kinetic, sorption, γ-FeOOH nano
Truy cập trực tuyến:http://scholar.dlu.edu.vn/handle/123456789/1203
https://doi.org/10.22144/ctu.jen.2017.010
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Thư viện lưu trữ: Thư viện Trường Đại học Đà Lạt
id oai:scholar.dlu.edu.vn:123456789-1203
record_format dspace
institution Thư viện Trường Đại học Đà Lạt
collection Thư viện số
language English
topic As, kinetic, sorption, γ-FeOOH nano
spellingShingle As, kinetic, sorption, γ-FeOOH nano
Nguyễn, Đình Trung
Trương, Đông Phương
SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE
description Abstractγ-FeOOH nanorods adsorbent for As5+ removal was prepared by a chemical co-precipitation method. The maximum adsorption capacities for As5+was 63.75 mg/g at pH= 6.0, higher than of Fe2O3, Fe3O4... The adsorption data accorded with Freundlich isotherms. At study pH, for arsen, the adsorption equilibrium was gained after 90 min. Kinetic data fitted well to the pseudo-second-order reaction model. Competitive ions hindered the adsorption according to the decreasing sequence sulfate, ammonium and chloride. The high adsorption capability and good performance on other aspects make the γ-FeOOH nanorods a promissing adsorbent for the removal of As (V) from groundwater.Keywords：As ; sorption; kinetic; γ-FeOOH nanoTOM TATγ-FeOOH dang nano dung lam vat lieu hap phu As5+ duoc dieu che bang phuong phap dong ket tua. Tai pH = 6,0, dung luong hap phu cuc dai cua vat lieu doi voi As5+ la 63,75 mg/g, cao hon so voi mot so vat lieu lam chat hap phu asen nhu Fe2O3, Fe3O4. Mo hinh hap phu dang nhiet Freundlich phu hop mo ta qua trinh hap phu As5+ boi γ-FeOOH, thoi gian dat can bang hap phu la 90 phut. Dong hoc hap phu tuan theo phuong trinh dong hoc hap phu bac 2. Xuat hien canh tranh cua cac ion la voi As5+ trong qua trinh hap phu tuan theo trat tu giam dan tu sulfate, amonium va chloride. Dung luong hap phu cuc dai cua vat lieu, cung nhu viec dieu che de dang, gia thanh thap cua γ-FeOOH, lam cho no tro thanh chat hap phu hap dan va day hua hen trong viec xu ly asen trong nuoc ngam.
format Journal article
author Nguyễn, Đình Trung
Trương, Đông Phương
author_facet Nguyễn, Đình Trung
Trương, Đông Phương
author_sort Nguyễn, Đình Trung
title SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE
title_short SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE
title_full SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE
title_fullStr SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE
title_full_unstemmed SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE
title_sort sorption of as5+ from aqueous solution by lepidocrocit (γ-feooh) nanoparticle
publishDate 2022
url http://scholar.dlu.edu.vn/handle/123456789/1203
https://doi.org/10.22144/ctu.jen.2017.010
_version_ 1768305966109949952
spelling oai:scholar.dlu.edu.vn:123456789-12032022-10-07T09:17:30Z SORPTION OF AS5+ FROM AQUEOUS SOLUTION BY LEPIDOCROCIT (γ-FEOOH) NANOPARTICLE Nguyễn, Đình Trung Trương, Đông Phương As, kinetic, sorption, γ-FeOOH nano Abstractγ-FeOOH nanorods adsorbent for As5+ removal was prepared by a chemical co-precipitation method. The maximum adsorption capacities for As5+was 63.75 mg/g at pH= 6.0, higher than of Fe2O3, Fe3O4... The adsorption data accorded with Freundlich isotherms. At study pH, for arsen, the adsorption equilibrium was gained after 90 min. Kinetic data fitted well to the pseudo-second-order reaction model. Competitive ions hindered the adsorption according to the decreasing sequence sulfate, ammonium and chloride. The high adsorption capability and good performance on other aspects make the γ-FeOOH nanorods a promissing adsorbent for the removal of As (V) from groundwater.Keywords：As ; sorption; kinetic; γ-FeOOH nanoTOM TATγ-FeOOH dang nano dung lam vat lieu hap phu As5+ duoc dieu che bang phuong phap dong ket tua. Tai pH = 6,0, dung luong hap phu cuc dai cua vat lieu doi voi As5+ la 63,75 mg/g, cao hon so voi mot so vat lieu lam chat hap phu asen nhu Fe2O3, Fe3O4. Mo hinh hap phu dang nhiet Freundlich phu hop mo ta qua trinh hap phu As5+ boi γ-FeOOH, thoi gian dat can bang hap phu la 90 phut. Dong hoc hap phu tuan theo phuong trinh dong hoc hap phu bac 2. Xuat hien canh tranh cua cac ion la voi As5+ trong qua trinh hap phu tuan theo trat tu giam dan tu sulfate, amonium va chloride. Dung luong hap phu cuc dai cua vat lieu, cung nhu viec dieu che de dang, gia thanh thap cua γ-FeOOH, lam cho no tro thanh chat hap phu hap dan va day hua hen trong viec xu ly asen trong nuoc ngam. 5 87-94 2022-10-07T09:17:25Z 2022-10-07T09:17:25Z 2017-03-31 Journal article Bài báo đăng trên tạp chí trong nước (có ISSN), bao gồm book chapter http://scholar.dlu.edu.vn/handle/123456789/1203 https://doi.org/10.22144/ctu.jen.2017.010 en Can Tho University Journal of Science 2615-9422 Chiou, M.S., Li, H.Y., 2003. Adsorption behavior of reactive dye in aqueous solution on chemical cross-linked chitosan beads. Chemosphere. 50(8): 1095-1105. Cullen, W.R., Reimer, K.J., 1989. Arsenic speciation in the environment. Chemical Review. 89(4): 713-764. Deliyanni, E.A., Bakoyannakis, D.N., Zouboulis, A.I., Matis, K.A., 2003. Sorption of As (V) ions by akaganeite-type nanocrystals. Chemosphere. 50(1): 155-163. Elizalde-González, M.P., Mattusch, J., Wennrich, R., Porgenstern, P., 2001. 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