四川大学学报（工程科学版）2005，Vol.37Issue(3)：42-46,5.
木素磺酸盐添加剂对水煤浆流变行为影响研究
Influence of the Sodium Lignosulfonate Surfactant on the Rheological Behavior of Coal-water Suspensions
摘要
Abstract
The influence of sodium lignosulfonate (SL) on the rheological characteristics of coal-water suspension was investigated by the way of rheological measurement for the demand of application, including SL concentration, molecular mass, temperature, pH and the rheological characteristics comparison of SL and NDF. Results show that the excessive SL induces the viscosity increase when the maximum is more than 0.8 wt%.The fluidity of suspension doesn't increase with the increasing of the relative molecular mass. The fraction of 10000～50000 has a better effect on the suspension fluidity. The suspension blended with SL only reaches the best viscosity-decreasing effect at the temperature of 60 ℃. Apart from that point, the viscosity will increase. A weak basic environment of pH=9 is the profitable to exert the dispersing property of SL The preshearing experiment indicates that the viscosity added SL increases with the time prolonging.关键词
流变行为/水煤浆/木质素磺酸钠/假塑性Key words
rheological behavior/coal-water suspension/sodium lignosulfonate/pseudoplastic分类
化学化工引用本文复制引用
张延霖,邱学青,王卫星..木素磺酸盐添加剂对水煤浆流变行为影响研究[J].四川大学学报（工程科学版）,2005,37(3):42-46,5.基金项目
广东省基金资助项目(2003A3030102) （2003A3030102）
