Title

In3+-based Anionic Metal-Organic Framework for Selective Sr2+ Capture

Alternative Title

선택적인 Sr2+ 포집을 위한 In3+ 기반 음이온 금속-유기 구조체 합성

DGIST Authors

Yeonghun Kim ; Jinhee Park ; Seong Kyun Kim

Advisor

박진희

Co-Advisor(s)

Seong Kyun Kim

Issued Date

2023

Awarded Date

2023-08-01

Citation

Yeonghun Kim. (2023). In3+-based Anionic Metal-Organic Framework for Selective Sr2+ Capture. doi: 10.22677/THESIS.200000687908

Type

Thesis

Description

Metal-Organic Frameworks; Strontium; Ion-exchange; pH stability; Selective Adsorption

Table Of Contents

Ⅰ. Introduction 1
II. Experimental methods 4
2.1 Materials 4
2.2 Measurements 5
2.3 Syntheses 6
2.3.1 Synthesis of 4,6-dioxido-1,3-benzenedicarboxylate (H4m-DOBDC) 6
2.3.2 Synthesis of DGIST-12 8
2.4 Sr2+ adsorption kinetics test 8
2.5 Sr2+ adsorption isotherm test 9
2.6 Sr2+ adsorption capacity test at different pH values 10
2.7 Sr2+ adsorption selectivity test 10
2.8 Solid-liquid ratio test 11
2.9 Desorption test with various conditions 12
III. Results and discussions 13
3.1 Characterization of DGIST-12 13
3.2 Sr2+ adsorption kinetics test 21
3.3 Sr2+ adsorption isotherm test 27
3.4 Sr2+ adsorption selectivity test 34
3.5 Solid-liquid ratio test 38
3.6 Adsorption mechanism studies 40
3.7 Water stability and retention of Sr2+ adsorption capacity of DGIST-12 45
3.8 Desorption test with various conditions 47
IV. Conclusions 50
Reference 51
Summary 55

URI

http://hdl.handle.net/20.500.11750/46455
http://dgist.dcollection.net/common/orgView/200000687908

DOI

10.22677/THESIS.200000687908

Degree

Master

Department

Department of Physics and Chemistry

Publisher

DGIST

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