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Publication of BE406395ApublicationCriticalpatent/BE406395A/fr
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/02—Preparation of sulfur; Purification
C01B17/027—Recovery of sulfur from material containing elemental sulfur, e.g. luxmasses or sulfur containing ores; Purification of the recovered sulfur
C01B17/033—Recovery of sulfur from material containing elemental sulfur, e.g. luxmasses or sulfur containing ores; Purification of the recovered sulfur using a liquid extractant
Procede pour regenerer des huiles lubrifiantes usagees par traitement a l'aide d'agents reducteurs du type hydrure et huiles regenerees par ce procede
Anthracen: Its Constitution, Properties, Manufacture, and Derivatives Including Artificial Alizarin, Anthrapurpurin, &c. With Their Applications in Dyeing and Printing
