李树刚;闫冬洁;严敏;田佳敏;白杨;

• 1:西安科技大学安全科学与工程学院
• 2:教育部西部矿井开采及灾害防治重点实验室

摘要(Abstract)：

为探究糖脂生物活性剂对煤体润湿及微观结构的影响，选定鼠李糖脂、槐糖脂2种生物活性剂为研究对象，测定不同体积分数下2种活性剂表面张力、接触角和煤体官能团参数，分析活性剂表面活性及其对煤体润湿性的影响，研究活性剂改性后煤样微观结构变化特性。结果表明：鼠李糖脂活性剂表面活性较好，槐糖脂活性剂起到润湿作用所需的体积分数较低；2种糖脂活性剂均降低了表面张力及煤体接触角，其中鼠李糖脂表面张力、接触角的降幅分别为49.96%、63.23%,降幅大于槐糖脂活性剂；煤体润湿过程中鼠李糖脂活性剂在煤表面润湿吸附性大于槐糖脂；随活性剂体积分数增加，煤体红外光谱羟基(—OH)吸收峰向低波数位置移动，吸收峰强度随体积分数增大而增大，接触角随吸收峰强度增大而减小，极性含氧官能团与活性分子发生偶极作用，以氢键方式缔合，增强了煤与水间相互作用，使溶液与煤体接触角减小，从而提高了煤体润湿性，改善了煤体的化学微观结构。

关键词(KeyWords)： 安全工程;生物活性剂;表面活性;煤体润湿;微观结构;红外光谱

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点项目(51734007);国家自然科学基金面上项目(51674192)

作者(Authors): 李树刚;闫冬洁;严敏;田佳敏;白杨;

DOI: 10.13637/j.issn.1009-6094.2020.1437

参考文献(References)：

• [1] 肖知国，孟雷庭.煤层注水抑制瓦斯解吸效应试验研究[J].安全与环境学报，2015,15(2):55-59.XIAO Z G,MENG L T.Experimental study on the inhibitory effect of the gas desorption in the coal seam water-infusion[J].Journal of Safety and Environment,2015,15(2):55-59.
• [2] TOSTADO C P,XU J H,LUO G S.The effects of hydrophilic surfactant concentration and flow ratio on dynamic wetting in a T-junction microfluidic device[J].Chemical Engineering Journal,2011,171(3):1340-1347.
• [3] 王磊，朱传奇，殷志强，等.松软煤体力学特征的含水率效应试验研究[J].采矿与安全工程学报，2016,33(6):1145-1151.WANG L,ZHU C Q,YIN Z Q,et al.Research on soft coal mechanics characteristic test for moisture content effect[J].Journal of Mining & Safety Engineering,2016,33(6):1145-1151.
• [4] 陈金玉.初探表面活性剂水溶液预防煤与瓦斯突出[J].煤炭工程师，1992(1):8-12.CHEN J Y.Preliminary study on surfactant to prevent coal and gas outburst[J].Coal Engineer,1992(1):8-12.
• [5] LI B,GUO J Y,ALBIJANIC B,et al.Understanding flotation mechanism of nonionic surfactants with different polarity on kaolinite as a gangue mineral:An experimental and simulation study[J].Minerals Engineering,2020,148:106226.
• [6] 林海飞，刘宝莉，严敏，等.非阳离子表面活性剂对煤润湿性能影响的研究[J].中国安全科学学报，2018,28(5):123-128.LIN H F,LIU B L,YAN M,et al.Study on the influence of non-cationic surfactants on coal wetting properties[J].China Safety Science Journal,2018,28(5):123-128.
• [7] 徐连满，路凯旋.复合湿润剂对煤体渗透性及冲击倾向性影响的试验研究[J].安全与环境学报，2020,20(3):920-924.XU L M,LU K X.Experimental tracing and determination of the impact of the composite wetting agent on the coal permeability and tendency[J].Journal of Safety and Environment,2020,20(3):920-924.
• [8] WANG S AW,TANG L F,TAO X X.Investigation of effect of surfactants on the hydrophobicity of low rank coal by sliding time measurements[J].Fuel,2018,212:326-331.
• [9] 陈跃，马东民，夏玉成，等.低阶煤不同宏观煤岩组分润湿性及影响因素研究[J].煤炭科学技术，2019,47(9):97-104.CHEN Y,MA D M,XIA Y C,et al.Study on wettability and influencing factors of different macroscopic components in low rank coal[J].Coal Science and Technology,2019,47(9):97-104.
• [10] 宋金星，于世耀，苏现波，等.表面活性剂压裂液的防水锁增产机理实验[J].煤田地质与勘探，2019,47(2):98-102.SONG J X,YU S Y,SU X B,et al.Experimental of water unlocking stimulation mechanism on surfactant fracturing fluid[J].Coal Geology & Exploration,2019,47(2):98-102.
• [11] 倪冠华，李钊，解宏超.基于核磁共振测试的煤层水锁效应解除方法[J].煤炭学报，2018,43(8):2280-2287.NI G H,LI Z,XIE H C.Experimental research on the methods to remove water blocking effect based on nuclear magnetic resonance testing[J].Journal of China Coal Society,2018,43(8):2280-2287.
• [12] 贾志刚，董乐，李兴，等.C12-m-C12型阳离子Gemini表面活性剂在煤沥青表面的润湿性[J].燃料化学学报，2015,43(6):649-653.JIA Z G,DONG L,LI X,et al.Wettability of coal tar pitch surface by aqueous solution of C12-m-C12 cationic Gemini surfactant[J].Journal of Fuel Chemistry and Technology,2015,43(6):649-653.
• [13] NI G H,SUN Q,XUN M,et al.Effect of NaCl-SDS compound solution on the wettability and functional groups of coal[J].Fuel,2019,257:116077.
• [14] 赵振保，杨晨，孙春燕，等.煤尘润湿性的实验研究[J].煤炭学报，2011,36(3):442-446.ZHAO Z B,YANG C,SUN C Y,et al.Experimental study of coal dust wettability[J].Journal of China Coal Society,2011,36(3):442-446.
• [15] 程卫民，薛娇，周刚，等.基于红外光谱的煤尘润湿性[J].煤炭学报，2014,39(11):2256-2262.CHENG W M,XUE J,ZHOU G,et al.Study of coal dust wettability based on FTIR[J].Journal of China Coal Society,2014,39(11):2256-2262.
• [16] LYU S,CHEN X J,SHAH S M,et al.Experimental study of influence of natural surfactant soybean phospholipid on wettability of high-rank coal[J].Fuel,2019,239(4):1-12.
• [17] SINGH D N,TRIPATHI A K.Coal induced production of a rhamnolipid biosurfactant by pseudomonas stutzeri,isolated from the formation water of Jharia coalbed[J].Bioresource Technology,2013,128:215-221.
• [18] SHAMI R B,SHOJAEI V,KHOSHDAST H.Efficient cadmium removal from aqueous solutions using a sample coal waste activated by rhamnolipid biosurfactant[J].Journal of Environmental Management,2019,231:1182-1192.
• [19] 姜丽，袁树杰.生物型表面活性剂在煤表面润湿吸附规律研究[J].中国安全生产科学技术，2019,15(8):33-37.JIANG L,YUAN S J.Research on wetting and adsorbing regularities of biosurfactants on coal surface[J].Journal of Safety Science and Technology,2019,15(8):33-37.
• [20] 傅贵，张英华，邹得志.煤与纯水间平衡接触角的测量与分析[J].煤炭转化，1997,20(4):60-62.FU G,ZHANG Y H,ZOU D Z.The measurement and analysis of the balanced contact angle between coal and pure water[J].Coal Conversion,1997,20(4):60-62.
• [21] HAO L S,JIA Y F,LIU Q,et al.Influences of molecular structure of the cationic surfactant,additives and medium on the micellization of cationic/anionic surfactant mixed systems[J].Colloids & Surfaces A:Physicochemical & Engineering Aspects,2016,511:91-104.
• [22] 朱红，李虎林，欧泽深，等.不同煤阶煤表面改性的FTIR谱研究[J].中国矿业大学学报，2001,30(4):46-50.ZHU H,LI H,OU Z S,et al.Study on surface modification of different rank coals by using FTIR[J].Journal of China University of Mining & Technology,2001,30(4):46-50.