Transport of impurities and water during potassium nitrate synthesis by electrodialysis metathesis

Hanna Jaroszek; Aneta Lis; Piotr Dydo

doi:10.1016/j.seppur.2015.12.009

Transport of impurities and water during potassium nitrate synthesis by electrodialysis metathesis

Hanna Jaroszek
, Aneta Lis
, Piotr Dydo

Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry (RCH/RCH1)

New Chemical Syntheses Institute
Silesian University of Technology

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

The applicability of KNO₃ synthesis by electrodialysis metathesis (ED-M) following: NaNO₃ + K₂SO₄ → KNO₃ + Na₂SO₄ reaction scheme using Ralex PP membranes was examined. The effects of operating parameters: current density, feed concentration and composition on a current efficiency, solute and solvent transport were investigated. Current efficiencies observed were close to 100% and purity of the products exceeded 99%. It was found that electroosmosis contributed to water transport the most. At the same time, osmosis and solute back diffusion did not influence the process.

Original language	English
Pages (from-to)	87-93
Number of pages	7
Journal	Separation and Purification Technology
Volume	158
DOIs	https://doi.org/10.1016/j.seppur.2015.12.009
Publication status	Published - 28 Jan 2016

Keywords

Electrodialysis metathesis
Potassium nitrate
Synthesis

ASJC Scopus subject areas

Analytical Chemistry
Filtration and Separation

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10.1016/j.seppur.2015.12.009

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title = "Transport of impurities and water during potassium nitrate synthesis by electrodialysis metathesis",

abstract = "The applicability of KNO3 synthesis by electrodialysis metathesis (ED-M) following: NaNO3 + K2SO4 → KNO3 + Na2SO4 reaction scheme using Ralex PP membranes was examined. The effects of operating parameters: current density, feed concentration and composition on a current efficiency, solute and solvent transport were investigated. Current efficiencies observed were close to 100\% and purity of the products exceeded 99\%. It was found that electroosmosis contributed to water transport the most. At the same time, osmosis and solute back diffusion did not influence the process.",

keywords = "Electrodialysis metathesis, Potassium nitrate, Synthesis",

author = "Hanna Jaroszek and Aneta Lis and Piotr Dydo",

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T1 - Transport of impurities and water during potassium nitrate synthesis by electrodialysis metathesis

AU - Jaroszek, Hanna

AU - Lis, Aneta

AU - Dydo, Piotr

PY - 2016/1/28

Y1 - 2016/1/28

N2 - The applicability of KNO3 synthesis by electrodialysis metathesis (ED-M) following: NaNO3 + K2SO4 → KNO3 + Na2SO4 reaction scheme using Ralex PP membranes was examined. The effects of operating parameters: current density, feed concentration and composition on a current efficiency, solute and solvent transport were investigated. Current efficiencies observed were close to 100% and purity of the products exceeded 99%. It was found that electroosmosis contributed to water transport the most. At the same time, osmosis and solute back diffusion did not influence the process.

AB - The applicability of KNO3 synthesis by electrodialysis metathesis (ED-M) following: NaNO3 + K2SO4 → KNO3 + Na2SO4 reaction scheme using Ralex PP membranes was examined. The effects of operating parameters: current density, feed concentration and composition on a current efficiency, solute and solvent transport were investigated. Current efficiencies observed were close to 100% and purity of the products exceeded 99%. It was found that electroosmosis contributed to water transport the most. At the same time, osmosis and solute back diffusion did not influence the process.

KW - Electrodialysis metathesis

KW - Potassium nitrate

KW - Synthesis

UR - https://www.scopus.com/pages/publications/84954570154

U2 - 10.1016/j.seppur.2015.12.009

DO - 10.1016/j.seppur.2015.12.009

M3 - Article

AN - SCOPUS:84954570154

SN - 1383-5866

VL - 158

SP - 87

EP - 93

JO - Separation and Purification Technology

JF - Separation and Purification Technology

ER -

Transport of impurities and water during potassium nitrate synthesis by electrodialysis metathesis

Abstract

Keywords

ASJC Scopus subject areas

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