Mechanism of solvent extraction from coal and its chars with chloroform

T. Yoshii, F. Yoshimura

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


Chloroform extraction for Yūbari coal both raw and preheated at 300, 350 and 400 °C was carried out at various temperatures. The following results were obtained 1. (1) 50 cm3 of chloroform per 1 g of sample is sufficient to extract almost completely, whatever the extraction temperature, the chloroform-soluble material of each sample; 2. (2) with the preheated coals, the amount of chloroform extractable material increases with increase of preheating temperature but with little apparent variation of the type of extract; 3. (3) the evidence does not indicate whether the extract has a limited solubility.

Original languageEnglish
Pages (from-to)113-121
Number of pages9
Issue number2
Publication statusPublished - 1971 Apr
Externally publishedYes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Organic Chemistry


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