Sulfur transformations during supercritical water oxidation of a Chinese coal

Tao Wang; Xiaofeng Zhu

doi:10.1016/S0016-2361(03)00167-4

Sulfur transformations during supercritical water oxidation of a Chinese coal

Tao Wang^*, Xiaofeng Zhu

^*Corresponding author for this work

Tsinghua University

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

49 Citations (Scopus)

Abstract

The oxidation of coal in supercritical water was explored by using H ₂O₂ as the oxidant. The sulfur-containing components in the effluents were identified. The experiments, which were conducted in a bench scale semi-continuous Supercritical Water Oxidation (SCWO) installation, indicated that the sulfur contained in coal could be gradually oxidized to sulfate in supercritical water medium. The main species containing sulfur in the effluents of coal SCWO were determined as sulfide, thiosulfate, sulfite and sulfate, in which thiosulfate and sulfate were predominant. The effects of the reaction temperature and time on the sulfur transformations during SCWO of coal were also investigated.

Original language	English
Pages (from-to)	2267-2272
Number of pages	6
Journal	Fuel
Volume	82
Issue number	18
DOIs	https://doi.org/10.1016/S0016-2361(03)00167-4
Publication status	Published - 1 Dec 2003
Externally published	Yes

Keywords

Coal
Oxidation
Sulfur
Supercritical
Water

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10.1016/S0016-2361(03)00167-4

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abstract = "The oxidation of coal in supercritical water was explored by using H 2O2 as the oxidant. The sulfur-containing components in the effluents were identified. The experiments, which were conducted in a bench scale semi-continuous Supercritical Water Oxidation (SCWO) installation, indicated that the sulfur contained in coal could be gradually oxidized to sulfate in supercritical water medium. The main species containing sulfur in the effluents of coal SCWO were determined as sulfide, thiosulfate, sulfite and sulfate, in which thiosulfate and sulfate were predominant. The effects of the reaction temperature and time on the sulfur transformations during SCWO of coal were also investigated.",

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T1 - Sulfur transformations during supercritical water oxidation of a Chinese coal

AU - Wang, Tao

AU - Zhu, Xiaofeng

PY - 2003/12/1

Y1 - 2003/12/1

N2 - The oxidation of coal in supercritical water was explored by using H 2O2 as the oxidant. The sulfur-containing components in the effluents were identified. The experiments, which were conducted in a bench scale semi-continuous Supercritical Water Oxidation (SCWO) installation, indicated that the sulfur contained in coal could be gradually oxidized to sulfate in supercritical water medium. The main species containing sulfur in the effluents of coal SCWO were determined as sulfide, thiosulfate, sulfite and sulfate, in which thiosulfate and sulfate were predominant. The effects of the reaction temperature and time on the sulfur transformations during SCWO of coal were also investigated.

AB - The oxidation of coal in supercritical water was explored by using H 2O2 as the oxidant. The sulfur-containing components in the effluents were identified. The experiments, which were conducted in a bench scale semi-continuous Supercritical Water Oxidation (SCWO) installation, indicated that the sulfur contained in coal could be gradually oxidized to sulfate in supercritical water medium. The main species containing sulfur in the effluents of coal SCWO were determined as sulfide, thiosulfate, sulfite and sulfate, in which thiosulfate and sulfate were predominant. The effects of the reaction temperature and time on the sulfur transformations during SCWO of coal were also investigated.

KW - Coal

KW - Oxidation

KW - Sulfur

KW - Supercritical

KW - Water

UR - http://www.scopus.com/inward/record.url?scp=0041861343&partnerID=8YFLogxK

U2 - 10.1016/S0016-2361(03)00167-4

DO - 10.1016/S0016-2361(03)00167-4

M3 - Article

AN - SCOPUS:0041861343

SN - 0016-2361

VL - 82

SP - 2267

EP - 2272

JO - Fuel

JF - Fuel

IS - 18

ER -

Sulfur transformations during supercritical water oxidation of a Chinese coal

Abstract

Keywords

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