Evaluation of SDBS Surfactant on Coal Wetting Performance with Static Methods: Preliminary Laboratory Tests
Coal dust contributes to lung diseases in coal miners. Spraying water mixed with surfactants is a method to suppress high concentration coal dust. This study presents the evaluation of the effect of SDBS surfactant on coals. Surfactant concentrations ranging from 0% to 1.0% were analyzed through the characterization of coal wettability and surfactant adsorption by using sink test, capillary penetration test, drop penetration test, surface tension test, and zeta potential test. Results show that SDBS surfactant greatly increased the coal wetting performance and the 0.02%-0.40% concentration was suggested as the optimum concentration range to improve coal wettability of coals.
Y. Chen et al., "Evaluation of SDBS Surfactant on Coal Wetting Performance with Static Methods: Preliminary Laboratory Tests," Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, vol. 39, no. 23, pp. 2140-2150, Taylor & Francis, Nov 2017.
The definitive version is available at https://doi.org/10.1080/15567036.2017.1403503
Mining and Nuclear Engineering
Keywords and Phrases
Coal; Miners; Surface active agents; Tensile testing; Testing; Wetting; Characterization of coal; Coal wettability; Drop penetration; Optimum concentration; Penetration test; Surfactant adsorption; Surfactant concentrations; Wetting performance; Coal dust; Coal wettability; Sink test; Surfactant
International Standard Serial Number (ISSN)
Article - Journal
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01 Nov 2017