Abstract: A barrier assembly used in the protection of personnel at worksites and/or residential areas from escapes of gas. Such a barrier assembly controls the lateral and vertical spread of gas in the event of an escape of the gas, even more particularly toxic gas. The barrier assembly can be used at operating sites where gases are produced, and in particular where high concentrations of toxic gases (e.g. CO2, H2S, SO2, mercaptans etc.) are present. The barrier assembly can, optionally acting as a safety system in the event of an accidental uncontrolled release of these toxic gases into the atmosphere.

Abstract: There is a benzodithiophene conjugated polymer of general formula (1): There are also photovoltaic devices having the polymer. There are also organic devices having the polymer.

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 photovoltaic device or solar device including at least one luminescent solar concentrator (LSC) having an upper surface, a lower surface and one or more external sides; at least one perovskite-based photovoltaic cell or solar cell positioned on the outside of at least one of the external sides of said luminescent solar concentrator (LSC), the perovskite being selected from organometal trihalides. The photovoltaic device or solar device may be used advantageously in various applications necessitating the production of electrical energy by utilising light energy, in particular solar radiation energy such as, for example: building integrated photovoltaic (BIPV) systems, photovoltaic windows, greenhouses, photobioreactors, noise barriers, lighting equipment, design, advertising, automotive industry. Moreover, the photovoltaic device or solar device can be used both in stand-alone mode and in modular systems.

Abstract: A process for producing acetic acid includes: (a) reacting, via a catalytic partial oxidation (CPO) reaction, a CPO reactant mixture in a CPO reactor to produce a hydrogen-lean syngas; wherein the hydrocarbons include equal to or greater than about 3 mol % C2+ alkanes; wherein the hydrogen-lean syngas includes hydrogen, carbon monoxide, carbon dioxide, and unreacted hydrocarbons; and wherein the hydrogen-lean syngas is characterized by a hydrogen to carbon monoxide (H2/CO) molar ratio of from about 0.7 to about 1.3. Also included is (b) feeding at least a portion of the hydrogen-lean syngas and dimethyl ether (DME) to a DME carbonylation unit to produce methyl acetate and a hydrogen-enriched syngas characterized by a H2/CO molar ratio of from about 1.8 to about 2.2; and (c) feeding at least a portion of the methyl acetate and water to a methyl acetate hydrolysis reaction zone to produce acetic acid and a methanol stream.

Abstract: A drilling apparatus and a method for releasing rods stuck in surrounding ground use a torsional device for releasing the drilling assembly and induce centrifugal forced vibrations and bending vibrations in the drilling rods, facilitating the release from positions stuck inside the drilled hole. The apparatus allows the available power of the motor drilling device to be fully applied for generating periodic forced vibrations useful for detaching the drilling rods stuck in the surrounding ground.

Abstract: A monitoring and mapping system, including: at least four transceiver devices arranged to be applied at a predefined mutual distance along a casing pipe, each of the transceiver devices including: a tubular body arranged to be fit on the casing pipe, the tubular body having at a first end a first longitudinal portion, at a second end a second longitudinal portion and a third longitudinal portion interposed between the first and second longitudinal portions; a coil wound on the first longitudinal portion; a layer of elastomeric material which winds the third longitudinal portion; an electrode wound on the layer of elastomeric material; and a peripheral electronic control unit associated with the tubular body; the monitoring and mapping system further including a central electronic control and data acquisition unit configured to drive the peripheral electronic control units so as to selectively power the electrodes and the coils.

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: Tubular structures for use in a subsea environment and a method of manufacturing the same are provided. These composite tubular structures can be used in the oil and gas industry, for example, as production risers.

Abstract: There is a process for the hydroconversion of mixtures of polymers or plastics which comprises the pre-treatment of the mixtures through methods selected from mechanical methods, chemical methods, thermal methods, or combinations thereof forming a pre-treated charge. The pre-treated charge is mixed with a hydrocarbon vacuum residue, optionally pre-heated, to form a reactant mixture. The reactant mixture is fed to a hydroconversion section in slurry phase, together with a catalyst precursor containing Molybdenum, and a stream containing hydrogen, forming a reaction effluent. The effluent is separated into at least one high-pressure and high-temperature separator in a vapour phase and a slurry phase. The separate vapour phase is sent to a gas treatment section with the function of separating a liquid fraction from the gas containing hydrogen and hydrocarbon gases having from 1 to 4 carbon atoms; said liquid fraction comprising naphtha, atmospheric gas oil (AGO), vacuum gas oil (VGO).

Abstract: The present invention relates to a system for a parabolic solar concentrator (SCA) having a substantially continuous reflective surface aiming to maximize the efficiency of the parabolic solar concentrator and of its fabrication method. The system of the present invention allows the fabrication of a low cost parabolic solar concentrator, based on a torsion bar, ribs and a plurality of reflective pieces of sheet metal preferably covered with a reflective film. The parabolic solar concentrator according to a preferred embodiment allows the reduction of surfaces shading the reflective surface. Another advantage is the lack of presence of supporting or movement elements protruding in the concave side of the parabola, not including receiver tube components and supports, thereby increasing the reflection efficiency and solar collection.

Abstract: An unstuck system of stuck drill pipes of a drill string of a drilling apparatus adapted to drilled wells to extract fluids or mud includes a torsion coupling system adapted to disconnect an upper portion from a bottom portion including the stuck drill pipes of the drill string and to transfer a rotation to the unstuck system. The unstuck system includes at least an axial forced vibration generator including at least one axially movable element adapted to generate at least a vibration which is propagated to pipes of a portion free from being stuck, where the induced vibrations fall within a band of induced frequencies near or corresponding to a resonance frequency of the portion free from being stuck.

Abstract: Hole transporting material obtained through a process comprising: reacting at least one heteropoly acid containing at least one transition metal belonging to group 5 or 6 of the Periodic Table of the Elements; with an equivalent amount of at least one salt or one complex of a transition metal belonging to group 5 or 6 of the Periodic Table of the Elements with an organic anion, or with an organic ligand; in the presence of at least one organic solvent selected from alcohols, ketones, esters. Said hole transporting material can be advantageously used in the construction of photovoltaic devices (or solar devices) such as, for example, photovoltaic cells (or solar cells), photovoltaic modules (or solar modules), either on a rigid support, or on a flexible support. Furthermore, said hole transporting material can be advantageously used in the construction of Organic Light Emitting Diodes (OLEDs), or of Organic Field Effect Transistors (OFETs).

Abstract: Disubstituted diaryloxybenzoheterodiazole compound having general formula (I) or (II) and luminescent solar concentrator (LSC) including the same: wherein: Z represents a sulfur atom, an oxygen atom, a selenium atom; or an NR6 group wherein R6 is selected from linear or branched C1-C20 alkyl groups, or from optionally substituted aryl groups; R1, R2 and R3, identical or different, represent a hydrogen atom; or are selected from linear or branched C1-C20 alkyl groups optionally containing heteroatoms, optionally substituted cycloalkyl groups, optionally substituted aryl groups, optionally substituted linear or branched C1-C20 alkoxy groups, optionally substituted phenoxy groups, or a cyano group; or R1 and R2, may optionally be bound together to form, together with the carbon atoms to which they are bound, a saturated, unsaturated or aromatic, cyclic or polycyclic system containing from 3 to 14 carbon atoms, optionally containing one or more heteroatoms; or R2 and R3, may optionally be bound together so

Abstract: There is a process for the selective recovery of transition metals from an organic stream containing transition metals. The organic stream and possibly a first extractor if solid, are melted up to the liquid state. The extractor consists of an ionic liquid or a mixture of two or more ionic liquids and the ionic liquid contains an ammonium salt as cation and as anion an anion with chelating properties. A melted organic stream and a first extractor, optionally melted, are fed to a first liquid-liquid extraction unit working at a temperature of at least 150° C. where the liquid-liquid extraction is carried out obtaining a liquid mixture containing an ionic liquid, or a mixture of two or more ionic liquids, and metals. After extraction, the liquid mixture is cooled at a temperature between 0° C. and 70° C. and becomes biphasic; then the cooled mixture is sent to a first separation unit, to separate a liquid phase that contains ionic liquids and metals, and a metal-depleted solid phase.

Abstract: A process for bio-1,3-butanediol purification from a fermentation broth includes the steps of: (a) subjecting the fermentation broth to separation, (b) subjecting the product obtained in step (a) to treatment with ion-exchange resins, (c) subjecting the product obtained in step (b) to a first evaporation, (d) subjecting the product obtained in step (c) to a second evaporation; and (e) subjecting the product obtained in step (d) to a third evaporation, obtaining purified bio-1,3-butanediol. The purified bio-1,3-butanediol can be used to produce bio-1,3-butadiene. Bio-1,3-butadiene can be used as a monomer or as an intermediate to produce elastomers and (co)polymers.

Abstract: An energy storage device, especially a super capacitor, useful for high temperature applications has current collector elements supporting a carbonaceous matrix modified or doped with pseudo-capacitive materials, including one or more transition metal dichalcogenides, transition metal oxides and mixtures thereof, in contact with a non-aqueous electrolyte composition whereby it is possible to exploit the faradic mechanism in addition to the electric double layer mechanism as an energy storage principle.

Abstract: A disubstituted diaryloxybenzoheterodiazole compound having general formula (I): wherein: R1, R2 and R3, which are the same as or different from each other, represent a hydrogen atom; or represent a halogen atom such as, for example, chlorine, bromine, fluorine, iodine, preferably fluorine; or are selected from optionally halogenated linear or branched C1-C12, preferably C1-C8, alkyl groups, optionally substituted phenoxy groups, provided that at least one of R1, R2 and R3 is an optionally substituted phenoxy group and, if R3 is an optionally substituted phenoxy group, at least one of R1, R2 is different from hydrogen; R4, which are the same as or different from each other, represent a hydrogen atom; or are selected from —COOR groups wherein R is selected from linear or branched C1-C8, preferably C1-C4, alkyl groups.

Abstract: The present invention relates to a group and method for the separation of a mixture comprising two fluid phases mutually at least partially immiscible and with different specific density characterized in that it comprises a closed chamber (11) which extends between an upper outlet mouth (12a) of a fluid phase with lower specific density separated from the mixture, positioned at a first upper height, and a lower outlet mouth (12b) of a fluid phase with greater specific density separated from the mixture, positioned at a second lower height with respect to the first upper height, an inlet (15,33) for said mixture inside said closed chamber (11) also being present at a height interposed between said upper and lower heights, a first upper gross separation device (13) of said mixture and a second lower fine separation device (14,14?) of said mixture, hydraulically connected to each other (13) (14), being situated in succession, inside said closed chamber (11), between said upper outlet mouth (12a) and said lower o

Abstract: There is a process for the production of methanol from gaseous hydrocarbons. The process has the following stages: (a) treating said gaseous hydrocarbons in a desulfurization unit to produce a desulfurized hydrocarbon gas; (b) reacting the desulfurized gas with an oxidizing flow by means of a short contact time partial catalytic oxidation reaction to produce synthesis gas; (c) producing hydrogen by electrolysis of water; (d) mixing and compressing synthesis gas and hydrogen; and (e) sending said compressed mixture to a methanol synthesis unit to produce methanol.