🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsРусский한국어中文日本語EntityQ221979· pop 14· linked from 136 articlescoal liquefactionprocess of converting coal into liquid hydrocarbonsConnectionssyngasEntityFischer-Tropsch processEntityCategoriesCoal technologyGerman inventionsPyrolysisSynthetic fuel technologies