Improvement in properties of coal water slurry by combined use of new additive and ultrasonic irradiation

被引：42

作者：

Guo, Zhaobing ^{[1
]}

Feng, Ruo

Zheng, Youfei

Fu, Xiaoru

机构：

[1] Nanjing Univ Informat Sci & Technol, Coll Environm Sci & Engn, Nanjing 210044, Peoples R China

[2] Nanjing Univ, Inst Acoust, State Key Lab Modern Acoust, Nanjing 210093, Peoples R China

来源：

ULTRASONICS SONOCHEMISTRY | 2007年 / 14卷 / 05期

基金：

中国国家自然科学基金;

关键词：

CWS; ultrasonic irradiation; additive from naphthalene oil;

D O I：

10.1016/j.ultsonch.2006.12.001

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Coal water slurry (CWS) was prepared with a newly developed additive from naphthalene oil. The effects of ultrasonic irradiation on coal particle size distribution (PSD), adsorption behavior of additive in coal particles and the characteristics of CWS were investigated. Results showed that ultrasonic irradiation led to a higher proportion of fine coal in CWS and increased the saturated adsorption amount of additive in coal particles. In addition, the rheological behavior and static stability of CWS irradiated by ultrasonic wave were remarkably improved. The changes on viscosity of CWS containing 1% and 2% additive are qualitatively different with the increasing sonication time studied. The reason for the different effect of sonication time on CWS viscosity is presented in this study. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：583 / 588

页数：6

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