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C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
Method of hemihydrogenation of corresponding dinitriles in corresponding aminonitrile, that is, preferential hydrogenation of a single nitrile function of a dinitrile with the help of hydrogen and in the presence of a catalyst
Procedure for obtaining separate streams of methanol and ethanol n-propanol isobutanol which can be used in the synthesis of products with a high number of octanes from mixtures containing these alcohols with water and other compounds with a low boiling point and a high point of boiling. boiling
Procedure to prepare carboxylic acid by means of the oxidation of a hydrocarbon, an alcohol or a ketone, in liquid phase, by means of molecular oxygen and in the presence of a heterogeneous catalyst.
PROCEDURE FOR THE SYNTHESIS OF UREA COMPRISING TWO SEPARATE ZONES OF REACTION AND METHOD TO INCREASE THE CONVERSION OF AMMONIA AND CARBON DIOXIDE IN PRE-EXISTING PROCESSES FOR THE PRODUCTION OF UREA.
Procedure for the separation of paraxylene from an aromatic filler containing xylene isomers by means of adsorption, crystallization and isomerization steps and comprising a step of treatment with aluminosilicates