CONTROL OF PARTICLE SIZE AND CONCENTRATION OF COLLOIDAL SILICA FORMED VIA CATION EXCHANGE RESIN BY WATER GLASS SOLUTION

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MONTAKHAB N.; ARABI H.; ABOUTALEBI M.R.; ALIZADEH M.; SADEGH HASSANI S.

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Journal: Journal of Metallurgical and Materials Engineering Year:2013 | Volume:24 | Issue:2 Page(s): 25-38

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Title

CONTROL OF PARTICLE SIZE AND CONCENTRATION OF COLLOIDAL SILICA FORMED VIA CATION EXCHANGE RESIN BY WATER GLASS SOLUTION

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Keywords

COLLOIDAL SILICAQ3

CATION EXCHANGE RESINQ3

SODIUM SILICATE (WATER GLASS)Q3

SILISIC ACIDQ3

Abstract

This study is focused on the formation of COLLOIDAL SILICA by Amberlite CATION EXCHANGE RESIN via alkaline water glass solution (Na2SiO3). Concentration of the COLLOIDAL SILICA and pH value of the solution was controlled by using different amounts of alkaline sodium silicate solution and silicic acid concentrations in constant temperature and titration rate of SILISIC ACID. The COLLOIDAL SILICA formed at these conditions was characterized by Dynamic Light Scattering (DLS), Particle size Analysis, Zeta Potential Analyzer, Atomic Absorption Spectroscopy (AAS), Scanning Electron Microscopy (SEM), X-Ray Powder Diffraction (XRD) and Accelerated Surface Area and Porosimetry Analyzing (ASAP). The results showed that the average particle size of colloids and their stability were also influenced by above-mentioned parameters including temperature, titration rate of silicic acid, pH value, silicic acid concentration and alkaline sodium silicate solution concentration. Results also showed an average particle size of 26 nm and a fairly large BET surface area of about 160 m2/g for these colloidal dispersions.

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APA: Copy

MONTAKHAB, N., ARABI, H., ABOUTALEBI, M.R., ALIZADEH, M., & SADEGH HASSANI, S.. (2013). CONTROL OF PARTICLE SIZE AND CONCENTRATION OF COLLOIDAL SILICA FORMED VIA CATION EXCHANGE RESIN BY WATER GLASS SOLUTION. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 24(2), 25-38. SID. https://sid.ir/paper/196076/en

Vancouver: Copy

MONTAKHAB N., ARABI H., ABOUTALEBI M.R., ALIZADEH M., SADEGH HASSANI S.. CONTROL OF PARTICLE SIZE AND CONCENTRATION OF COLLOIDAL SILICA FORMED VIA CATION EXCHANGE RESIN BY WATER GLASS SOLUTION. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2013;24(2):25-38. Available from: https://sid.ir/paper/196076/en

IEEE: Copy

N. MONTAKHAB, H. ARABI, M.R. ABOUTALEBI, M. ALIZADEH, and S. SADEGH HASSANI, “CONTROL OF PARTICLE SIZE AND CONCENTRATION OF COLLOIDAL SILICA FORMED VIA CATION EXCHANGE RESIN BY WATER GLASS SOLUTION,” JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 24, no. 2, pp. 25–38, 2013, [Online]. Available: https://sid.ir/paper/196076/en

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