Mechanisms for Removal of Dye -Cr(VI) Compound Pollution by Sulfhydryl Modified Cellulose Adsorbent - Details

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EI PKU CSCD

Abstract：

Sulfhydryl　cellulose(Cell-　SH)　was　prepared　by　sodium　periodate　oxidation　from　α-　cellulose.　The　morphology　and　structure　of　Cell-　SH　were　characterized　by　scanning　electron　microscopy-　energy　dispersive　spectrometer(SEM-EDS),　Fourier-transformed　infrared　spectrum(FT-IR),　X-ray　photoelectron　spectroscopy(XPS).　The　efficiency,　influencing　factors　and　mechanism　on　the　removal　of　malachite　green　(MG)　-　hexavalent　chromium　(Cr(VI))　compound　pollution　were　systematically　investigated.　The　experimental　results　show　that　after　oxidation　modification,　the　sulfhydryl　cellulose　adsorbent　contains　-SH　functional　groups　and　has　good　performance　in　the　removal　of　MG-Cr　(VI)　compound　pollution,　and　the　adsorption　capacity　of　MG　and　Cr(VI)　can　reach　58.9　mg/g　and　28.7　mg/g,　respectively.　The　complexes　of　MG　and　Cr(VI)　are　also　observed　on　the　adsorbent　surface,　and　the　adsorption　process　involves　hydrogen　bonding,　electrostatic　gravitational　force,　reduction　and　chelation.　Cell-SH　has　excellent　performance　in　the　removal　of　MG-Cr(VI)　compound　pollution　in　aqueous　solution　and　has　great　potential　for　application.　©　2023　Chengdu　University　of　Science　and　Technology.　All　rights　reserved.

Keyword：

Adsorption Carbonate minerals Cellulose Chromium compounds Hydrogen bonds Morphology Scanning electron microscopy Sodium compounds Spectrometers X ray photoelectron spectroscopy

Community：

[ 1 ] [Liu, Yanling]College of Advanced Manufacturing, Fuzhou University, Jinjiang; 362200, China
[ 2 ] [Liu, Yifan]College of Environment and Safety Engineering, Fuzhou University, Fuzhou; 350108, China
[ 3 ] [Lü, Yuancai]College of Environment and Safety Engineering, Fuzhou University, Fuzhou; 350108, China
[ 4 ] [Ye, Xiaoxia]College of Environment and Safety Engineering, Fuzhou University, Fuzhou; 350108, China
[ 5 ] [Lin, Chunxiang]College of Advanced Manufacturing, Fuzhou University, Jinjiang; 362200, China
[ 6 ] [Lin, Chunxiang]College of Environment and Safety Engineering, Fuzhou University, Fuzhou; 350108, China
[ 7 ] [Liu, Minghua]College of Advanced Manufacturing, Fuzhou University, Jinjiang; 362200, China
[ 8 ] [Liu, Minghua]College of Environment and Safety Engineering, Fuzhou University, Fuzhou; 350108, China
[ 9 ] [Liu, Minghua]College of Environmental and Biological Engineering, Putian University, Putian; 351100, China