Abstract: There is a process of CO2 mineralization with natural mineral phases with prevalent alkaline-earth metals silicate content producing a mixture of magnesium carbonate, amorphous silica and other possibly non-reacted or non-mineralizable phases. The material thus obtained, after being washed with water, develops pozzolanic properties and can be used for formulating cements.

Abstract: The present invention is in the field of heterogeneous catalysis. Particularly, the present invention relates to a process for preparing catalysts advantageously usable in the hydrotreatment processes, for example in hydrodesulphurization, hydrodenitrogenation, hydrodearomatization processes of hydrocarbons. More in particular, the present invention relates to a process for obtaining said catalysts, which comprise mixed oxides of Nickel, Aluminum, Molybdenum and Tungsten and optionally a transition metal Me selected from the group consisting of Zn, Mn, Cd, and a mixture thereof, an organic component C, and possibly an inorganic binder B. Said mixed oxides comprise an amorphous phase and a pseudo-crystalline phase isostructural to Wolframite. The present invention further relates to said hydrotreatment catalysts and a hydrotreatment process wherein said catalysts are used.

Abstract: A process of hydrotreating of a feed containing one or more hydrocarbons by contacting the feed with hydrogen in the presence of a metal sulphide catalyst obtained by sulphidation of a precursor which is in the form of a mixed oxide of formula (I) or of a mixed oxide of formula (I) bound to an inorganic binder B: Mea Nib Moc Wd Ale Of • pC (I).

Abstract: There is an absorbent mixture usable for the removal of sour gases from gas mixtures. The mixture has at least one organic base having a pKb (in water) less than or equal to 3.2; at least one alcoholic solvent of general formula R(OH)n having a boiling temperature above or equal to 100° C. at ambient pressure, wherein R is a linear or branched saturated alkyl group having a number of carbon atoms between 2 and 20 and n is a whole number varying between 1 and 20; an aprotic polar solvent having a dielectric constant ? at 25° C. greater than or equal to 30, a viscosity ? at 25° C. less than or equal to 14 cP, preferably less than or equal to 12 cP; and a boiling temperature at normal pressure equal to or above 130° C. There is also a process for the removal of sour gases using the absorbent mixture.

Abstract: There is a process for high sulfur content copolymer preparation having the step of reacting sulfur in solid form with at least one crosslinker selected from organic compounds having at least a double or triple bond in the presence of at least one catalyst selected from dithiocarbamates, mercaptobenzothiazoles, xanthates, thiophosphates, at a temperature ranging from 110° C. to 180° C. The high sulfur content copolymer, depending on the glass transition temperature, can be of elastomeric or thermoplastic type and can be advantageously used in different applications. In case of an elastomeric-type high sulfur content copolymer, the copolymer can be advantageously used in different applications such as, for example, thermal insulation, conveyor belts, transmission belts, flexible tubes, elastomeric tire compositions.

Abstract: The present invention is in the field of heterogeneous catalysis. Particularly, the present invention relates to a process for preparing catalysts advantageously usable in the hydrotreatment processes, for example in hydrodesulphurization, hydrodenitrogenation, hydrodearomatization processes of hydrocarbons. More in particular, the present invention relates to a process for obtaining said catalysts, which comprise mixed oxides of Nickel, Aluminum, Molybdenum and Tungsten and optionally a transition metal Me selected from the group consisting of Zn, Mn, Cd, and a mixture thereof, an organic component C, and possibly an inorganic binder B. Said mixed oxides comprise an amorphous phase and a pseudo-crystalline phase isostructural to Wolframite. The present invention further relates to said hydrotreatment catalysts and a hydrotreatment process wherein said catalysts are used.

Abstract: The present invention is in the field of heterogeneous catalysis. Particularly, the present invention relates to a process for preparing catalysts advantageously usable in the hydrotreatment processes, for example in hydrodesulphurization, hydrodenitrogenation, hydrodearomatization processes of hydrocarbons. More in particular, the present invention relates to a process for obtaining said catalysts, which comprise mixed oxides of Nickel, Aluminum, Molybdenum and Tungsten and optionally a transition metal Me selected from the group consisting of Zn, Mn, Cd, and a mixture thereof, an organic component C, and possibly an inorganic binder B. Said mixed oxides comprise an amorphous phase and a pseudo-crystalline phase isostructural to Wolframite. The present invention further relates to said hydrotreatment catalysts and a hydrotreatment process wherein said catalysts are used.

Abstract: There is an absorbent mixture usable for the removal of sour gases from gas mixtures. The mixture has at least one organic base having a pKb (in water) less than or equal to 3.2; at least one alcoholic solvent of general formula R(OH)n having a boiling temperature above or equal to 100° C. at ambient pressure, wherein R is a linear or branched saturated alkyl group having a number of carbon atoms between 2 and 20 and n is a whole number varying between 1 and 20; an aprotic polar solvent having a dielectric constant E at 25° C. greater than or equal to 30, a viscosity ? at 25° C. less than or equal to 14 cP, preferably less than or equal to 12 cP; and a boiling temperature at normal pressure equal to or above 130° C. There is also a process for the removal of sour gases using the absorbent mixture.

Abstract: The present invention is in the field of heterogeneous catalysis. Particularly, the present invention relates to a process for preparing catalysts advantageously usable in the hydrotreatment processes, for example in hydrodesulphurization, hydrodenitrogenation, hydrodearomatization processes of hydrocarbons. More in particular, the present invention relates to a process for obtaining said catalysts, which comprise mixed oxides of Nickel, Aluminum, Molybdenum and Tungsten and optionally a transition metal Me selected from the group consisting of Zn, Mn, Cd, and a mixture thereof, an organic component C, and possibly an inorganic binder B. Said mixed oxides comprise an amorphous phase and a pseudo-crystalline phase isostructural to Wolframite. The present invention further relates to said hydrotreatment catalysts and a hydrotreatment process wherein said catalysts are used.

Abstract: The invention relates to an integrated process for the production of fuel components starting from materials of a biological origin which comprises: (A) transformation of glycerine into an alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH, wherein R is a linear or branched C1-C8 alkyl, (B) transformation of glycerine into 1,2-propanediol CH3—CHOH—CH2OH, (C) dehydration of the 1,2-propanediol obtained in (B) to propionic aldehyde, (D) reaction of part of the propionic aldehyde obtained in (C) with the alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH obtained in (A) to give an acetal having formula (a) wherein R is a linear or branched C1-C8 alkyl, (E) transformation of part of the propionic aldehyde obtained in (C) to a propionate having formula CH3—CH2—COOR?, wherein R? is a linear or branched C1-C8 alkyl. Particular components for gasolines and/or diesel are also described.

Abstract: A process for the refining of crude oil with at least one atmospheric distillation unit for separating the various fractions, a sub-atmospheric distillation unit, a conversion unit of the heavy fractions obtained, a unit for enhancing the quality of some of the fractions obtained by actions on the chemical composition of their constituents and a unit for the removal of undesired components, where the sub-atmospheric distillation residue is sent to one of the conversion units, the conversion unit includes at least one hydroconversion reactor in slurry phase, into which hydrogen or a mixture of hydrogen and H2S, is fed, in the presence of a suitable dispersed hydrogenation catalyst with dimensions ranging from 1 nanometer to 30 microns.

Abstract: A process for the refining of crude oil, comprising a separation unit of the crude oil, consisting of at least one atmospheric distillation unit for separating the various fractions, a unit for the conversion of the heavy fractions obtained, a unit for improving the quality of some of the fractions obtained by actions on the chemical composition of their constituents, and units for the removal of undesired components, characterized in that the heaviest fraction, the atmospheric distillation residue, is sent to the conversion unit comprising a hydroconversion reactor in slurry phase or of the ebullated bed type, into which hydrogen or a mixture of hydrogen and ¾S is introduced in the presence of a suitable nanodispersed hydrogenation catalyst.

Abstract: New sulfided metal catalysts are described, containing a metal X selected from Ni, Co and mixtures thereof, a metal Y selected from Mo, W and mixtures thereof, an element Z selected from Si, Al and mixtures thereof, and possibly an organic residue, obtained by the sulfidation of mixed oxide precursors, also new, having general formula (A) XaYbZcOd.

Abstract: Catalytic system which can be used in processes for the hydroconversion of heavy oils by means of hydrotreatment in slurry phase, characterized in that it comprises: a catalyst, having the function of hydrogenating agent, containing MoS2 or WS2 or mixtures thereof in lamellar form or an oil-soluble precursor thereof; a co-catalyst, having nanometric or micronic particle-sizes, selected from cracking and/or denitrogenation catalysts. The co-catalyst preferably consists of zeolites having small-sized crystals and with a low aggregation degree between the primary particles, and/or oxides or sulfides or precursors of sulfides of Ni and/or Co in a mixture with Mo and/or W.

Abstract: Provided is a system for the hydroconversion of heavy oils essentially consisting of a solid accumulation reactor and a stripping section of the products of hydroconversion outside or inside the reactor itself.

Abstract: A catalytic system characterized in that it comprises: a first catalyst, having a hydrogenating function, consisting of solid particles of which at least 95% by volume having an equivalent diameter smaller than 20 ?m, containing one or more sulfides of metals of group VI and/or VIII B, possibly prepared starting from an oil-soluble precursor of the same; and a second catalyst, having a cracking function, consisting of solid particles of which at least 90% by volume having an equivalent diameter larger than 5 ?m and smaller than 5 mm, containing an amorphous silico-aluminate and/or a crystalline silico-aluminate and/or an alumina, the equivalent average diameter of the solid particles of the second catalyst being greater than the equivalent average diameter of the solid particles of the first catalyst.

Abstract: Process for the refining of crude oil comprising at least one atmospheric distillation unit for separating the various fractions, a sub-atmospheric distillation unit, a conversion unit of the heavy fractions obtained, a unit for enhancing the quality of some of the fractions obtained by actions on the chemical composition of their constituents and a unit for the removal of undesired components, characterized in that the sub-atmospheric distillation residue is sent to one of the conversion units, said conversion unit comprises at least one hydroconversion reactor in slurry phase, into which hydrogen or a mixture of hydrogen and ¾ S, is fed, in the presence of a suitable dispersed hydrogenation catalyst with dimensions ranging from 1 nanometer to 30 microns.

Abstract: New sulfided metal catalysts are described, containing a metal X selected from Ni, Co and mixtures thereof, a metal Y selected from Mo, W and mixtures thereof, an element Z selected from Si, Al and mixtures thereof, and possibly an organic residue, obtained by the sulfidation of mixed oxide precursors, also new, having general formula (A) Xa Yb Zc Od.

Abstract: New sulfided metal catalysts are described, containing a metal X selected from Ni, Co and mixtures thereof, a metal Y selected from Mo, W and mixtures thereof, an element Z selected from Si, Al and mixtures thereof, and possibly an organic residue, obtained by the sulfidation of mixed oxide precursors, also new, having general formula (A) XaYbZcOd.

Abstract: The invention relates to an integrated process for the production of fuel components starting from materials of a biological origin which comprises: (A) transformation of glycerine into an alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH, wherein R is a linear or branched C1-C8 alkyl, (B) transformation of glycerine into 1,2-propanediol CH3—CHOH—CH2OH, (C) dehydration of the 1,2-propanediol obtained in (B) to propionic aldehyde, (D) reaction of part of the propionic aldehyde obtained in (C) with the alkoxy-propanediol having formula RO—CH2—CHOH—CH2OH obtained in (A) to give an acetal having formula (a) wherein R is a linear or branched C1-C8 alkyl, (E) transformation of part of the propionic aldehyde obtained in (C) to a propionate having formula CH3—CH2—COOR?, wherein R? is a linear or branched C1-C8 alkyl. Particular components for gasolines and/or diesel are also described.