Insight into the low-rank coal flotation using amino acid surfactant as a promoter

[Display omitted] •Sodium Cocoyl Glycinate (SCG) serves as the flotation promoter.•SCG enhanced coal surface hydrophobicity.•Kerosene were emulsified into smaller droplets in presence of SCG.•SCG helped with stable forth layer during low-rank coal flotation. Low-rank coal flotation faces challenges...

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Veröffentlicht in:	Fuel (Guildford) 2022-01, Vol.307, p.121810, Article 121810
Hauptverfasser:	Niu, Chenkai, Xia, Wencheng, Li, Yijiang, Bu, Xiangning, Wang, Yusheng, Xie, Guangyuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino acid surfactant Amino acids Biodegradability Biodegradation Coal Emulsification Flotation Flotation promoter Hydrogen bonding Hydrophobicity Kerosene Low-rank coal Sodium Sodium Cocoyl Glycinate Surface tension Surfactants
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