Effect of phosphate and sulfate on the solubility of Na2SO4 in supercritical water

Xing Ying Tang; Shu Zhong Wang; Meng Meng Ren; Pan Pansun

doi:10.4028/www.scientific.net/AMM.522-524.290

Effect of phosphate and sulfate on the solubility of Na₂SO₄ in supercritical water

Xing Ying Tang
, Shu Zhong Wang
, Meng Meng Ren
, Pan Pansun

School of Energy and Power Engineering

Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

5 Scopus citations

Abstract

The solubility of Na₂SO₄ mixed with K₂SO₄ and K₃PO₄ were investigated by a continuous kettle-reactor system at temperature within the range of 320°C to 420°C, 24MPa. The solubility of Na₂SO₄ showed a drastic reduce at a temperature of about 360°C. Ionic chromatography was used to determine the concentration of Na₂SO₄ in effluent. Among 355°C to 380°C, the presence of K2SO4 reduced the solubility of Na₂SO₄, due to common-ion effect. The addition of K₃PO₄ could inhibit the salts deposition in the supercritical water system, effectively.The variation degree is more remarkable as theaddition of K₂SO₄ and K₃PO₄ increased.

Original language	English
Title of host publication	Environmental Protection and Sustainable Development
Pages	290-294
Number of pages	5
DOIs	https://doi.org/10.4028/www.scientific.net/AMM.522-524.290
State	Published - 2014
Event	2013 2nd International Conference on Sustainable Energy and Environmental Engineering, ICSEEE 2013 - Shenzhen, China Duration: 28 Dec 2013 → 29 Dec 2013

Publication series

Name	Applied Mechanics and Materials
Volume	522-524
ISSN (Print)	1660-9336
ISSN (Electronic)	1662-7482

Conference

Conference	2013 2nd International Conference on Sustainable Energy and Environmental Engineering, ICSEEE 2013
Country/Territory	China
City	Shenzhen
Period	28/12/13 → 29/12/13

Keywords

Phosphate
Sodium sulfate
Solubility
Sulfate
Supercritical water

Access to Document

10.4028/www.scientific.net/AMM.522-524.290

Cite this

@inproceedings{fb9e0e47d0eb4e1fb0debb7a1ee28f0d,

title = "Effect of phosphate and sulfate on the solubility of Na2SO4 in supercritical water",

abstract = "The solubility of Na2SO4 mixed with K2SO4 and K3PO4 were investigated by a continuous kettle-reactor system at temperature within the range of 320°C to 420°C, 24MPa. The solubility of Na2SO4 showed a drastic reduce at a temperature of about 360°C. Ionic chromatography was used to determine the concentration of Na2SO4 in effluent. Among 355°C to 380°C, the presence of K2SO4 reduced the solubility of Na2SO4, due to common-ion effect. The addition of K3PO4 could inhibit the salts deposition in the supercritical water system, effectively.The variation degree is more remarkable as theaddition of K2SO4 and K3PO4 increased.",

keywords = "Phosphate, Sodium sulfate, Solubility, Sulfate, Supercritical water",

author = "Tang, \{Xing Ying\} and Wang, \{Shu Zhong\} and Ren, \{Meng Meng\} and Pan Pansun",

year = "2014",

doi = "10.4028/www.scientific.net/AMM.522-524.290",

language = "英语",

isbn = "9783038350224",

series = "Applied Mechanics and Materials",

pages = "290--294",

booktitle = "Environmental Protection and Sustainable Development",

note = "2013 2nd International Conference on Sustainable Energy and Environmental Engineering, ICSEEE 2013 ; Conference date: 28-12-2013 Through 29-12-2013",

}

Tang, XY, Wang, SZ, Ren, MM & Pansun, P 2014, Effect of phosphate and sulfate on the solubility of Na₂SO₄ in supercritical water. in Environmental Protection and Sustainable Development. Applied Mechanics and Materials, vol. 522-524, pp. 290-294, 2013 2nd International Conference on Sustainable Energy and Environmental Engineering, ICSEEE 2013, Shenzhen, China, 28/12/13. https://doi.org/10.4028/www.scientific.net/AMM.522-524.290

TY - GEN

T1 - Effect of phosphate and sulfate on the solubility of Na2SO4 in supercritical water

AU - Tang, Xing Ying

AU - Wang, Shu Zhong

AU - Ren, Meng Meng

AU - Pansun, Pan

PY - 2014

Y1 - 2014

N2 - The solubility of Na2SO4 mixed with K2SO4 and K3PO4 were investigated by a continuous kettle-reactor system at temperature within the range of 320°C to 420°C, 24MPa. The solubility of Na2SO4 showed a drastic reduce at a temperature of about 360°C. Ionic chromatography was used to determine the concentration of Na2SO4 in effluent. Among 355°C to 380°C, the presence of K2SO4 reduced the solubility of Na2SO4, due to common-ion effect. The addition of K3PO4 could inhibit the salts deposition in the supercritical water system, effectively.The variation degree is more remarkable as theaddition of K2SO4 and K3PO4 increased.

AB - The solubility of Na2SO4 mixed with K2SO4 and K3PO4 were investigated by a continuous kettle-reactor system at temperature within the range of 320°C to 420°C, 24MPa. The solubility of Na2SO4 showed a drastic reduce at a temperature of about 360°C. Ionic chromatography was used to determine the concentration of Na2SO4 in effluent. Among 355°C to 380°C, the presence of K2SO4 reduced the solubility of Na2SO4, due to common-ion effect. The addition of K3PO4 could inhibit the salts deposition in the supercritical water system, effectively.The variation degree is more remarkable as theaddition of K2SO4 and K3PO4 increased.

KW - Phosphate

KW - Sodium sulfate

KW - Solubility

KW - Sulfate

KW - Supercritical water

UR - https://www.scopus.com/pages/publications/84896882201

U2 - 10.4028/www.scientific.net/AMM.522-524.290

DO - 10.4028/www.scientific.net/AMM.522-524.290

M3 - 会议稿件

AN - SCOPUS:84896882201

SN - 9783038350224

T3 - Applied Mechanics and Materials

SP - 290

EP - 294

BT - Environmental Protection and Sustainable Development

T2 - 2013 2nd International Conference on Sustainable Energy and Environmental Engineering, ICSEEE 2013

Y2 - 28 December 2013 through 29 December 2013

ER -