Industrial & Engineering Chemistry Research

, volume 37 , issue 6 , pages 2496-2501

Clean ion-exchange technologies. 2. Recovery of high-purity magnesium compounds from seawater by an ion-exchange isothermal supersaturation technique

Ruslan Kh Khamizov ¹

Dmitri Muraviev ¹

Nikolai A Tikhonov ¹

Anna N Krachak ¹

Tatyana I Zhiguleva ¹

Olga V. Fokina ¹

Hide authors affiliations Show authors affiliations: 1 affiliation

Vernadsky Institute of Geochemistry and Analytical Chemistry of Russian Academy of Science, Kosygin Str. 19, 117975 Moscow, Russia, Department of Analytical Chemistry, Autonomous University of Barcelona, E-08193 Bellaterra (Barcelona), Spain, and Physics Department, Lomonosov Moscow State University, 119899 Moscow, Russia

Lomonosov Moscow State University

Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences

Publication type: Journal Article

Publication date: 1998-04-23

American Chemical Society (ACS)

Industrial & Engineering Chemistry Research

scimago Q1

wos Q2

SJR: 0.828

CiteScore: 6.7

Impact factor: 3.9

ISSN: 08885885, 15205045

DOI: 10.1021/ie9707735

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General Chemistry

General Chemical Engineering

Industrial and Manufacturing Engineering

Abstract

This paper reports the results obtained by studying the ion-exchange isothermal supersaturation (IXISS) of magnesium carbonate solutions which is observed during elution of Mg2+ from carboxylic resin equilibrated with decalcinated seawater (artificial or natural) with either 2 M NH4HCO3 or with the mixture of 1.5 M Na2CO3 and 0.6 M NaHCO3. Crystallization of supersaturated solution in the first case has been shown to lead to the formation of previously unknown complex ammonium−magnesium carbonate. The results of X-ray, chemical, and differential thermal analyses have allowed the proposal of the following formula for the new magnesium compound: (NH4)2Mg(CO3)2·5H2O. In the second case, crystallization of magnesium carbonate leads to the formation of a pure phase of nesquegonite: MgCO3·3H2O of 99.9% purity. Samples of MgO obtained after annealing ammonium−magnesium precipitates at 773 K contain less than 10-3% of impurities.

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Khamizov R. Kh. et al. Clean ion-exchange technologies. 2. Recovery of high-purity magnesium compounds from seawater by an ion-exchange isothermal supersaturation technique // Industrial & Engineering Chemistry Research. 1998. Vol. 37. No. 6. pp. 2496-2501.

GOST all authors (up to 50) Copy

Khamizov R. Kh., Muraviev D., Tikhonov N. A., Krachak A. N., Zhiguleva T. I., Fokina O. V. Clean ion-exchange technologies. 2. Recovery of high-purity magnesium compounds from seawater by an ion-exchange isothermal supersaturation technique // Industrial & Engineering Chemistry Research. 1998. Vol. 37. No. 6. pp. 2496-2501.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1021/ie9707735

UR - https://pubs.acs.org/doi/10.1021/ie9707735

TI - Clean ion-exchange technologies. 2. Recovery of high-purity magnesium compounds from seawater by an ion-exchange isothermal supersaturation technique

T2 - Industrial & Engineering Chemistry Research

AU - Khamizov, Ruslan Kh

AU - Muraviev, Dmitri

AU - Tikhonov, Nikolai A

AU - Krachak, Anna N

AU - Zhiguleva, Tatyana I

AU - Fokina, Olga V.

PY - 1998

DA - 1998/04/23

PB - American Chemical Society (ACS)

SP - 2496-2501

IS - 6

VL - 37

SN - 0888-5885

SN - 1520-5045

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{1998_Khamizov,

author = {Ruslan Kh Khamizov and Dmitri Muraviev and Nikolai A Tikhonov and Anna N Krachak and Tatyana I Zhiguleva and Olga V. Fokina},

title = {Clean ion-exchange technologies. 2. Recovery of high-purity magnesium compounds from seawater by an ion-exchange isothermal supersaturation technique},

journal = {Industrial & Engineering Chemistry Research},

year = {1998},

volume = {37},

publisher = {American Chemical Society (ACS)},

month = {apr},

url = {https://pubs.acs.org/doi/10.1021/ie9707735},

number = {6},

pages = {2496--2501},

doi = {10.1021/ie9707735}

}

MLA

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Khamizov, Ruslan Kh., et al. “Clean ion-exchange technologies. 2. Recovery of high-purity magnesium compounds from seawater by an ion-exchange isothermal supersaturation technique.” Industrial & Engineering Chemistry Research, vol. 37, no. 6, Apr. 1998, pp. 2496-2501. https://pubs.acs.org/doi/10.1021/ie9707735.