|本期目录/Table of Contents|

[1]李明,李梦娜,白倩倩.湿润剂表面张力对硫化矿尘吸湿效果的影响[J].中国安全生产科学技术,2017,13(7):132-136.[doi:10.11731/j.issn.1673-193x.2017.07.021]
　LI Ming,LI Mengna,BAI Qianqian.Influence of surface tension of humectant on moisture absorption effect of sulfide dust[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(7):132-136.[doi:10.11731/j.issn.1673-193x.2017.07.021]
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湿润剂表面张力对硫化矿尘吸湿效果的影响
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年7期
页码:
132-136
栏目:
职业安全卫生管理与技术
出版日期:
2017-07-31

文章信息/Info

Title:
Influence of surface tension of humectant on moisture absorption effect of sulfide dust
文章编号:
1673-193X(2017)-07-0132-05
作者:
李明; 李梦娜; 白倩倩
（中南大学 资源与安全工程学院，湖南 长沙 410083）
Author(s):
LI Ming;  LI Mengna;  BAI Qianqian
(School of Resources and Safety Engineering, Central South University, Changsha Hunan 410083, China)
关键词:
反向渗透; 阴离子湿润剂; 硫化矿尘; 吸湿量; 吸湿速度; 表面张力; 铺展
Keywords:
reverse permeation;  anionic humectant;  sulfide dust;  moisture absorption amount;  moisture absorption speed;  surface tension;  spreading
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2017.07.021
文献标志码:
A
摘要:
采用毛细管反向渗透实验装置，以湿润剂表面张力为衡量指标，通过分析3种硫化矿尘在十二烷基苯磺酸钠（SDBS）、十二烷基磺酸钠(SDS)、十二烷基硫酸钠(K12)3种阴离子表面活性剂中的吸湿效果，比较得出3种表面活性剂湿润性能大小。利用ZISMA图得出表面活性剂在3种硫化矿表面铺展的临界表面张力值，并探究其值对湿润行为和湿润效果的影响。研究表明：3种阴离子活性剂的湿润性能SDBS＞SDS＞K12，湿润剂在3种硫化矿表面铺展的临界表面张力分别为27.3，26.6，26.0 mN/m,且吸湿增重和吸湿速度的峰值是受铺展润湿作用的影响。
Abstract:
The wetting performance of three surfactants were obtained and compared through analyzing the moisture absorption effect of three types of sulfide dust in three types of anionic surfactants, including sodium dodecyl benzene sulfonate (SDBS), sodium dodecyl sulfate (SDS) and sodium lauryl sulfate (K12) by using the capillary reverse permeation experimental device and taking the surface tension of humectant as the measurement index. The critical surface tension values of surfactants spreading on the surface of three types of sulfide dust were obtained by ZISMA diagram, and their influence on the wetting behavior and wetting effect was explored. The results showed that the wetting performance of three anionic humectants was in the sequence of SDBS>SDS>K12, the critical surface tension of the humectants spreading on the surface of three types of sulfide dust was 27.3 mN/m, 26.6 mN/m and 26.0 mN/m respectively, and the peak values of moisture absorption weight gain and moisture absorption speed were influenced by the spreading wetting effect.

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相似文献/References:

[1]李孜军,吴靓,郭兆东,等.两性—阴离子复配湿润剂对硫化矿尘润湿性的实验研究[J].中国安全生产科学技术,2016,12(11):41.[doi:10.11731/j.issn.1673-193x.2016.11.007]
　LI Zijun,WU Jing,GUO Zhaodong,et al.Experimental study on wettability of compound wetting agent with amphoteric and anionic wetting agents for dust of sulfide ores[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(7):41.[doi:10.11731/j.issn.1673-193x.2016.11.007]

备注/Memo

备注/Memo:
国家自然科学基金项目(51674289)
更新日期/Last Update: 2017-08-21