Abstract: Manufacture of dichloropropanol Process for manufacturing dichloropropanol wherein a glycerol-based product comprising at least one diol containing at least 3 carbon atoms other than 1,2-propanediol, is reacted with a chlorinating agent, and of products derived from dichloropropanol such as epichlorohydrin and epoxy resins. No figure.

Abstract: Product containing epichlorohydrin and at least one alkyl glycidyl ether in an amount of less than 0.1 g/kg of product. Use of the product containing epichlorohydrin in the manufacture of epoxy resins, of glycidyl ethers, of glycidyl esters, of glycidyl amides, of glycidyl imides, of products that will be used in food and drink applications, of cationization agents, and of flame retardants, of products which will be used as detergent ingredient and of epichlorohydrin oligomers.

Abstract: Aqueous composition containing at least one salt in an amount of at least 30 g/kg of composition, of which the total organic carbon content is at least 1 ?g of C/l and at most 5 g of C/l of composition and which contains at least one carboxylic acid.

Abstract: Product containing epichlorohydrin, wherein the amount of trichloropropane is of less than 0.01 g of trichloropropane per kg of product, a process for manufacturing the product and its use in various applications.

Abstract: Process for manufacturing dichloropropanol according to which, a) in a liquid reaction medium containing water, which is in contact with a gaseous phase, glycerol is reacted with hydrogen chloride under a partial pressure of hydrogen chloride in the gaseous phase greater than 0.

Abstract: Process for manufacturing dichloropropanol via reaction between glycerol and/or monochloropropanediol and a chlorinating agent in a reactor which is supplied with one or more liquid streams, in which the sum of the glycerol and monochloropropanediol contents in all the liquid streams introduced into the reactor is less than 50 wt % and in which all the liquid streams introduced into the reactor comprise at least one liquid recycling stream, the recycling stream forming at least 10 wt % of all the liquid streams introduced into the reactor.

Abstract: Process for manufacturing epichlorohydrin comprising the following steps: a) in a liquid reaction medium, a mixture of 1,3-dichloro-2-propanol and 2,3-dichloro-1-propanol, in which the 1,3-dichloro-2-propanol content is at least 10 wt %, is reacted with at least one basic compound in order to form epichlorohydrin and a salt; and b) at least one part of the liquid reaction medium from step a) is subjected to a settling operation in which at least a first fraction containing most of the epichlorohydrin which was contained in the part of the reaction medium from step a) before the settling operation and a second fraction containing most of the salt which was contained in the part of the reaction medium from step a) before the settling operation are separated.

Abstract: Process for preparing a chlorohydrin, wherein a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is subjected to reaction with a chlorinating agent in the presence of a liquid phase comprising heavy compounds other than the polyhydroxylated aliphatic hydrocarbon and having a boiling temperature under a pressure of 1 bar absolute which is at least 15° C. greater than the boiling temperature of the chlorohydrin under a pressure of 1 bar absolute.

Abstract: Process for producing epichlorohydrin comprising subjecting to a dehydrochlorination operation, dichloropropanol produced from glycerol comprising aldehydes.

Abstract: Process for producing dichloropropanol wherein glycerol is reacted with at least one chlorinating agent in a reactor made of or coated with materials selected from enamelled steel, polyolefins, fluorinated polymers, phenolic resins, tantalum, and silver.

Abstract: The invention relates to a crude glycerol-based product comprising glycerol alkyl ethers, to a purification process comprising a treatment of evaporative concentration, of evaporative crystallization, of distillation, of fractional distillation, of stripping, or of liquid-liquid extraction and to the use of the purified product in the manufacture of dichloropropanol.

Abstract: Process for preparing a chlorohydrin, wherein: (a) a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is reacted with a chlorinating agent so as to give a mixture containing chlorohydrin, chlorohydrin esters and water, (b) at least a fraction of the mixture obtained in step (a) is subjected to a distillation and/or stripping treatment so as to give a part concentrated with water, with chlorohydrin and with chlorohydrin esters, (c) at least a fraction of the part obtained in step (b) is subjected to a separating operation in the presence of at least one additive so as to give a portion concentrated with chlorohydrin and with chlorohydrin esters and containing less than 40% by weight of water.

Abstract: Process for preparing a chlorohydrin, comprising the following steps: (a) a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is reacted with a chlorinating agent and an organic acid so as to give a mixture containing the chlorohydrin and esters of the chlorohydrin (b) at least part of the mixture obtained in step (a) is subjected to one or more treatments in steps subsequent to step (a) (c) polyhydroxylated aliphatic hydrocarbon is added to at least one of the steps subsequent to step (a), so as to react, at a temperature greater than or equal to 20° C., with the esters of the chlorohydrin, so as to form, at least partly, esters of the polyhydroxylated aliphatic hydrocarbon.

Abstract: Process for preparing an epoxide, comprising at least one step of purifying the epoxide formed, the epoxide being at least partly prepared by a process of dehydrochlorinating a chlorohydrin, the latter being at least partly prepared by a process of chlorinating a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof.

Abstract: Process for producing a chlorohydrin by reaction between a multihydroxylated-aliphatic hydrocarbon, an ester of a multihydroxylated-aliphatic hydrocarbon, or a mixture thereof, and a chlorinating agent, according to which the multihydroxylated-aliphatic hydrocarbon, the ester of a multihydroxylated-aliphatic hydrocarbon, or the mixture thereof used contains at least one solid or dissolved metal salt, the process comprising a separation operation to remove at least part of the metal salt.

Abstract: Process for preparing a chlorohydrin by reacting a polyhydroxylated aliphatic hydrocarbon with a chlorinating agent in a reactor which is supplied with one or more liquid streams containing less than 50% by weight of the polyhydroxylated aliphatic hydrocarbon relative to the weight of the entirety of the liquid streams.

Abstract: Process for preparing a chlorohydrin, wherein: (a) a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof is reacted with a chlorinating agent so as to give a mixture containing chlorohydrin, chlorohydrin esters and water, (b) at least a fraction of the mixture obtained in step (a) is subjected to a distillation and/or stripping treatment so as to give a part concentrated with water, with chlorohydrin and with chlorohydrin esters, (c) at least a fraction of the part obtained in step (b) is subjected to a separating operation in the presence of at least one additive so as to give a portion concentrated with chlorohydrin and with chlorohydrin esters and containing less than 40% by weight of water.

Abstract: Process for preparing a chlorohydrin, comprising the following steps: (a) a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof whose alkali metal and/or alkaline earth metal content is less than or equal to 5 g/kg, a chlorinating agent and an organic acid are reacted so as to give a mixture containing at least chlorohydrin and by-products (b) at least part of the mixture obtained in step (a) is subjected to one or more treatments in steps subsequent to step (a) (c) at least one of the steps subsequent to step (a) consists in oxidation at a temperature greater than or equal to 800° C.

Abstract: Process for preparing a chlorohydrin, wherein a polyhydroxylated aliphatic hydrocarbon whose total metal content, expressed in elemental form, is greater than or equal to 0.1 ?g/kg and less than or equal to 1000 mg/kg is reacted with a chlorinating agent.

Abstract: Process for preparing an epoxide, wherein a reaction medium resulting from the reaction of a polyhydroxylated aliphatic hydrocarbon, an ester of a polyhydroxylated aliphatic hydrocarbon or a mixture thereof with a chlorinating agent, the reaction medium containing at least 10 g of chlorohydrin per kg of reaction medium, is subjected to a subsequent chemical reaction without intermediate treatment.