Citation: LI Ke-da, XIE Yan, CAO Yang, GUO Yu, CHEN Qian-lin, AO Xian-quan. Preparation of biomass coal water slurry through blending distillers' grains with anthracite[J]. Journal of Fuel Chemistry and Technology, ;2016, 44(4): 408-414. shu

Preparation of biomass coal water slurry through blending distillers' grains with anthracite

School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, China

Corresponding author: AO Xian-quan, aoxianquan@163.com
Received Date: 13 October 2015
Revised Date: 30 December 2015

Figures(8)

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 show that 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.
- BCWS,
- distillers' grains,
- slurry ability,
- apparent viscosity,
- stability
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