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无烟煤掺混白酒酒糟制备生物质水煤浆 被引量:12

Preparation of biomass coal water slurry through blending distillers' grains with anthracite
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摘要 利用白酒酒糟与贵州无烟煤按不同比例掺混制备生物质水煤浆(BCWS),考查了酒糟掺混量、添加剂种类及含量对水煤浆成浆性能的影响。结果表明,在萘磺酸系添加剂(MF、NNO)和木质素磺酸钙(LS)三种添加剂中,MF的分散效果要优于其他两种,且添加量为0.5%时最佳;表观黏度为1 000 m Pa·s时,无烟煤单独制浆最大成浆浓度为70%,而掺混3%(干基)酒糟的BCWS定黏浓度为65.8%,浆体稳定性在3d以上;BCWS属于宾汉塑性流体,酒糟含有大量的亲水性含氧官能团,以及其管束和脉络结构,会引起BCWS表观黏度的升高,有利于提高BCWS的稳定性。 The biomass coal-water slurries( BCWS) were prepared using Guizhou anthracite and distillers' grain with different proportions. The influence on slurry ability of BCWS with different type and addition of additives and distillers' grains blend proportion was studied. The results showthat among naphthalene sulfonic additives( MF,NNO) and calcium lignosulphonate( LS) the dispersion effect of MF,exhibiting the best viscosity reduction effect when the addition is 0. 5%, is better than that of NNO and LS. The anthracite slurry concentration is 70%,but the concentration of BCWS is 65. 8% with stability of over 3 d when the distillers' grains blend proportion is 3%. BCWS belongs to Bingham plastic fluid. The bundle and vein structure of distillers' grains with vast hydrophilic oxygen-containing groups are the main reason of the increasing apparent viscosity,but could improve the stability of BCWS.
出处 《燃料化学学报》 EI CAS CSCD 北大核心 2016年第4期408-414,共7页 Journal of Fuel Chemistry and Technology
基金 贵州省科技厅重大应用基础研究项目(黔科合JZ字[2014]2004) 贵州省科技厅重大专项项目(黔科合重大专项字[2015]6011号) 教育部春晖计划项目(Z2007-1-52014)资助~~
关键词 生物质水煤浆 白酒酒糟 成浆性能 表观黏度 稳定性 BCWS distillers' grains slurry ability apparent viscosity stability
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