Use of continuous flow centrifugation techniques for coal maceral separation. 2. Multiple density fractionations of coals

Autor: C. A. A. Bloomquist, G. R. Dyrkacz
Rok vydání: 1992
Předmět:
Zdroj: Energy & Fuels. 6:374-386
ISSN: 1520-5029
0887-0624
DOI: 10.1021/ef00034a006
Popis: Continuous flow centrifugation (CFC) methods were used to density fractionate macerals from three different finely ground coals. Moderate to excellent enrichments were produced. However, the purities of the separated fractions were not strainghtforward to predict; they were controlled in a complicated manner by the dynamics of the centrifuge, the density chosen for each fractionation, and the density distribution of the coal. In addition, the role that the size of the density interval of fractionation has on the purity of separation is discussed
Databáze: OpenAIRE