摘要:
The instant invention discloses a method for the valorization of spent catalyst from hydrocarbon processing slurry reactors as well as slurry flakes.
摘要:
The instant invention discloses a method for the valorization of spent catalyst from hydrocarbon processing slurry reactors as well as slurry flakes.
摘要:
The invention concerns a process for hydroconversion of a hydrocarbonaceous feedstock comprising: a preparation step of at least one catalyst in one or more preparation reactor upstream from a reaction section, wherein (i) at least one preparation reactor feeds one or more reactor of the reaction section, or (ii) preparation reactors are dedicated for catalysts fed to at least a hydroconversion reactor or at least a hydrotreatment reactor of the reaction section; a separation step of solids contained in the liquid effluents issued from the reaction section, a treatment step of residues issued from separation section, comprising a partial oxidation step wherein said residues are partially oxidized to produce carbon monoxide, hydrogen an a metal containing residue. Such process permits improving of products quality, operation of the separation section, recovering of catalytic metals contained in the feed and supplying hydrogen to the reaction section.
摘要:
The invention concerns a process for hydroconversion of a hydrocarbonaceous feedstock comprising: a preparation step of at least one catalyst in one or more preparation reactor upstream from a reaction section, wherein (i) at least one preparation reactor feeds one or more reactor of the reaction section, or (ii) preparation reactors are dedicated for catalysts fed to at least a hydroconversion reactor or at least a hydrotreatment reactor of the reaction section; a separation step of solids contained in the liquid effluents issued from the reaction section, a treatment step of residues issued from separation section, comprising a partial oxidation step wherein said residues are partially oxidized to produce carbon monoxide, hydrogen an a metal containing residue. Such process permits improving of products quality, operation of the separation section, recovering of catalytic metals contained in the feed and supplying hydrogen to the reaction section.
摘要:
A process for upgrading heavy hydrocarbonaceous feedstocks in at least one hydroconversion reactor for hydroconversion of the heavy hydrocarbonaceous feedstocks and in at least one hydrotreatment reactor for hydrotreatment of the heavy hydrocarbonaceous feedstocks, comprising the preparation of two or more catalysts, each catalyst being prepared from one or more catalyst precursor in at least one specific preparation reactor, the catalyst precursor containing at least one transition metal selected from group IIA, IIIB, IVB, VB, VIB, VIIB, VIII, IB or IIB of the periodic table of elements, and each preparation reactor feeding one or more hydroconversion or hydrotreatment reactor, each catalyst contained in preparation reactors being dedicated to hydroconversion or hydrotreatment of the feedstocks.
摘要:
A process for upgrading heavy hydrocarbonaceous feedstocks in at least one hydroconversion reactor for hydroconversion of the heavy hydrocarbonaceous feedstocks and in at least one hydrotreatment reactor for hydrotreatment of the heavy hydrocarbonaceous feedstocks, comprising the preparation of two or more catalysts, each catalyst being prepared from one or more catalyst precursor in at least one specific preparation reactor, the catalyst precursor containing at least one transition metal selected from group IIA, IIIB, IVB, VB, VIB, VIIB, VIII, IB or IIB of the periodic table of elements, and each preparation reactor feeding one or more hydroconversion or hydrotreatment reactor, each catalyst contained in preparation reactors being dedicated to hydroconversion or hydrotreatment of the feedstocks.
摘要:
The instant invention discloses a method for the improvement of flakes recovery from hydrocarbon processing units and in particular slurry reactors as well as slurry flakes obtained thereof.
摘要:
The instant invention discloses a method for the improvement of flakes recovery from hydrocarbon processing units and in particular slurry reactors as well as slurry flakes obtained thereof.
摘要:
A process for producing polylactide-urethane copolymers, which comprises the step of contacting a polylactide having terminal hydroxyl groups, produced by contacting at least one lactide monomer with a diol or diamine, with a diisocyanate compound optionally in the presence of a second diol or diamine in the presence of a catalytic system under polymerisation conditions characterised in that the polylactide and the polylactide-urethane copolymers are produced by reactive extrusion.
摘要:
The process of obtaining a polylactide-urethane copolymer is described which includes contacting an α, ω dihydroxyl polylactide prepolymer of general formula I wherein X is NH or O, R is an alkyl or an aryl group, n and n′ are integer numbers which are substantially the same and are in the range from 20 to 140, with a diisocyanate compound of general formula II O═C═N—R′—N═C═O wherein R′ is an alkyl or an aryl group and with an amine or an alcohol of general formula III R″X′]2 wherein R″ is an alkyl or an aryl group and X′ is NH2 or OH, and with the proviso that at least one of R or R″ is an aryl group.
摘要翻译:描述了获得聚丙交酯 - 氨基甲酸酯共聚物的方法,该方法包括使通式I的α,ω二羟基聚丙交酯预聚物,其中X是NH或O,R是烷基或芳基,n和n'是整数, 基本相同并且在20至140的范围内,与通式II的二异氰酸酯化合物O = C = N-R'-N = C = O,其中R'为烷基或芳基,并与胺或 通式III R“X”] 2的醇,其中R“是烷基或芳基,X'是NH 2或OH,条件是R”或R“中的至少一个是芳基。