C07C7/00—Purification; Separation; Use of additives
C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
C07C7/171—Sulfuric acid or oleum
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General Chemical & Material Sciences
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Engineering & Computer Science
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Oil, Petroleum & Natural Gas
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
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Procede pour regenerer des huiles lubrifiantes usagees par traitement a l'aide d'agents reducteurs du type hydrure et huiles regenerees par ce procede
Procede de separation de fluorure d'hydrogene de ses melanges avec du 1,1,1,3,3-pentafluorobutane et procede de fabrication de 1,1,1,3,3-pentafluorobutane