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Development of Granulated Adsorbent ...

Alorkpa, Esther Jemma.

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Development of Granulated Adsorbent for Clean-Up of Water Contaminated by Cesium.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Development of Granulated Adsorbent for Clean-Up of Water Contaminated by Cesium./
Author:	Alorkpa, Esther Jemma.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	55 p.
Notes:	Source: Masters Abstracts International, Volume: 80-11.
Contained By:	Masters Abstracts International80-11.
Subject:	Analytical chemistry. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13905858
ISBN:	9781392175743

Development of Granulated Adsorbent for Clean-Up of Water Contaminated by Cesium.
Alorkpa, Esther Jemma.

Development of Granulated Adsorbent for Clean-Up of Water Contaminated by Cesium. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 55 p.

Source: Masters Abstracts International, Volume: 80-11.

Thesis (M.S.)--East Tennessee State University, 2019.

This item must not be sold to any third party vendors.

A study was conducted on sol-gel synthesis of an adsorbent (phosphotungstic acid embedded in silica gel, H-PTA/SiO2) of radioactive cesium. A novelty of this work is covalent bonding of PTA to the surface of solid support that prevents leaching from the surface of the material. The sample was granulated with a binder, aluminum oxide (γ-Al2O3). Solid-state NMR and FT-IR spectroscopy were used to confirm the presence of Keggin units of PTA in the bound materials. Thermal analysis of H-PTA/SiO2 - γ-Al2O3 (50 %) showed that the water content in the bound material was appreciably lower than in the pure adsorbent. Quantitative determination of surface acidity of porous materials is an important analytical problem in characterization of the adsorbents. This problem was solved by reversed titration after saturation of the materials by anhydrous solution of pyridine. Batch and column adsorption tests showed that the adsorbent demonstrated high adsorption capacities towards cesium.

ISBN: 9781392175743Subjects--Topical Terms:

3168300
Analytical chemistry.

Development of Granulated Adsorbent for Clean-Up of Water Contaminated by Cesium.
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020 $a 9781392175743
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100 1 $a Alorkpa, Esther Jemma. $3 3436016
245 1 0 $a Development of Granulated Adsorbent for Clean-Up of Water Contaminated by Cesium.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 55 p.
500 $a Source: Masters Abstracts International, Volume: 80-11.
500 $a Publisher info.: Dissertation/Thesis.
502 $a Thesis (M.S.)--East Tennessee State University, 2019.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a A study was conducted on sol-gel synthesis of an adsorbent (phosphotungstic acid embedded in silica gel, H-PTA/SiO2) of radioactive cesium. A novelty of this work is covalent bonding of PTA to the surface of solid support that prevents leaching from the surface of the material. The sample was granulated with a binder, aluminum oxide (γ-Al2O3). Solid-state NMR and FT-IR spectroscopy were used to confirm the presence of Keggin units of PTA in the bound materials. Thermal analysis of H-PTA/SiO2 - γ-Al2O3 (50 %) showed that the water content in the bound material was appreciably lower than in the pure adsorbent. Quantitative determination of surface acidity of porous materials is an important analytical problem in characterization of the adsorbents. This problem was solved by reversed titration after saturation of the materials by anhydrous solution of pyridine. Batch and column adsorption tests showed that the adsorbent demonstrated high adsorption capacities towards cesium.
590 $a School code: 0069.
650 4 $a Analytical chemistry. $3 3168300
650 4 $a Inorganic chemistry. $3 3173556
650 4 $a Materials science. $3 543314
690 $a 0486
690 $a 0488
690 $a 0794
710 2 $a East Tennessee State University. $b Chemistry. $3 3436017
773 0 $t Masters Abstracts International $g 80-11.
790 $a 0069
791 $a M.S.
792 $a 2019
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13905858