Abstract: A device for separating liquids such as oil and water includes a hydrophobic and oleophilic mesh that allows oil to pass through while preventing water from passing through. The mesh can be fabricated simply from inexpensive materials by coating a mesh with a hydrophobic polymer.

Abstract: The present invention relates to a method for the physical separation of solids and asphaltenes with a conversion degree higher than or equal to 90%, present in refinery purge streams. Said method provides for heating a refinery purge stream to a temperature higher than or equal to 185° C. and not exceeding 220° C. and, subsequently, subjecting said heated purge to sedimentation by progressively lowering the temperature in a controlled manner to a minimum temperature of 100° C., without stirring the purge, so as to form a light phase and a heavy phase defined in relation to the density.

Abstract: System for cableless bidirectional data transmission in a well for the extraction of formation fluids comprising: a plurality of rods connected to each other in succession so as to form a rod string, which extends from the surface to the bottom of the well, the rod string being associable with a plurality of sensors configured for continuously detecting a plurality of parameters relating to the fluids circulating in the well and to the rock formation surrounding the well and/or to safety devices or other remote-controlled well instrumentation; a plurality of communication modules applied at predefined distances along the rod string and configured for the transmission of signals from and towards the bottom of the well; each of the communication modules including at least one metal plate.

Abstract: The present invention relates to a metal compound of calixarene not containing sulfur and dispersible in oil, which can be partially salified, or neutral, or basic or overbased, said calixarene having general formula (I) in which: a) R1, R2, R3 and R4 are independently selected from hydrogen, or a group containing carbon and hydrogen, or a group containing in addition to carbon and hydrogen also heteroatoms, provided that said heteroatoms are not sulfur; b) one of the two substituents R5 and R6 is hydrogen, while the other may be selected from hydrogen, or a linear or branched alkyl with a number of carbon atoms between 1 and 6, preferably methyl, ethyl, 1-propyl, 2-propyl, n-butyl, sec-butyl, more preferably methyl or ethyl; c) n is the number of units of the calixarene ring and is comprised in the range between 4 and 16, preferably between 5 and 12; said calixarene being characterized in that in at least one of the n units of the calixarene ring, at least one of the substituents R1, R2, R3 and R4 contains a

Abstract: Non-aqueous redox flow battery (RFB) comprising: a positive compartment in which a positive electrode is positioned and in which a positive non-aqueous liquid electrolyte is caused to flow; a negative compartment in which a negative electrode is positioned and in which a negative non-aqueous liquid electrolyte is caused to flow; an ion-exchange membrane positioned between the positive compartment and the negative compartment in which: said positive non-aqueous liquid electrolyte comprises a solution of copper triflate or tetrafluoroborate complexes [Cu(I) or Cu(II)] in at least one organic solvent; said negative non-aqueous liquid electrolyte comprises a solution of at least one benzothiadiazole or a derivative thereof in at least one organic solvent.

Abstract: A safety valve assembly for extradition of hydrocarbons includes a valve body including a passage duct, configured to be traversed by a production and/or drilling line. The valve body includes housings for a punch and counter-punch, arranged diametrically opposite to one another with a common longitudinal axis substantially perpendicular to the longitudinal axis of the valve. The punch slides linearly in a controlled manner in the housing along the axis which intersects the longitudinal axis of the pipe, and the counter-punch slides linearly in a controlled manner in the housing along the axis which intersects the longitudinal axis of the pipe. The punch and counter-punch are configured to allow the counter-punch to slidingly receive the punch in its interior to create two different shearing planes. The counter-punch includes a hollow part to slidingly receive the section of tubular material and the punch, in the linear movement during the shearing operation.

Abstract: A description is given of a system and a method of monitoring of a pipe for the transportation of a fluid at a predefined pressure value. The system comprises at least one pressure pulses generator device hydraulically connected to the fluid transported by the pipe. Each pressure pulses generator device comprises at least one first tank, designed to contain fluid coming from the pipe and to maintain it at a first pressure value which is smaller than the predefined pressure of the fluid transported by the pipe, and at least one second tank, designed to contain fluid coming from the pipe and to maintain it at a second pressure value which is greater than the predefined pressure value of the fluid transported by the pipe. The first tank and the second tank generate respectively a negative pressure pulse, caused by the passage of fluid from the pipe to the first tank, and a positive pressure pulse, caused by the passage of fluid from the second tank to the pipe.

Abstract: The present invention relates to an aqueous emulsion comprising: a) from 50% to 60% of an organic phase dispersed in an aqueous phase, said organic phase containing a mixture including from 24% to 30%, calculated with respect to the final emulsion, of ethylene-vinyl acetate copolymers and/or polyalkyl(meth)acrylates, indicated in the present description as polymeric component, and a high-boiling organic solvent, or a mixture of said solvents; b) a primary emulsifier at a concentration higher or equal to 0.1% and lower than or equal to 3% by weight, calculated with respect to the final emulsion; c) from 37% to 47% of an aqueous phase; wherein the ratio between said polymer component and said organic solvent in the final aqueous emulsion is at least 1/1 and where the organic solvent and any polymer of the polymeric component have a Hildebrand solubility parameter ? such that, the difference (?solvent_?polymer) is lower than 2 in absolute value for any polymer of the polymeric component.

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 relates to a method for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir which comprises injecting into said reservoir at least one polymerizable composition comprising: at least one hydrophilic monomer, —at least one hydrophilic initiator of radical polymerization with thermal activation (hydrophilic initiator), at least one lipophilic initiator of radical polymerization with thermal activation (lipophilic initiator). The present invention also relates to the polymerizable compositions that can be used in said method.

Abstract: A mixture comprising: a) from 0% to 95% of aromatic compounds and/or polycyclic aromatic compounds, said polycyclic aromatic compounds, if present, always being in an amount less than 10% with respect to component (a); b) from 0% to 85% of a mixture containing aliphatic compounds and a content of aromatic compounds lower than 30% with respect to (b); c) from 0% to 20% of an acetate component; d) from 1% to 50% of a mixture of compounds containing keto groups; with the proviso that said solvent mixture contains at least three components, one of which is (d) and the other two selected from (a), (b) or (c) and that their sum is always 00%; and with the proviso that said mixture has a solubility, measured with the Hansen parameters, characterized in that the dispersion force component of the solubility ?d varies from 17 to 20 Mpa{circumflex over (?)}0.5 the polar force component of the solubility ?p varies from 0.65 to 5 Mpa{circumflex over (?)}0.

Abstract: An integrated process for the cultivation of algae or plants and the contemporaneous production of electric energy using a system in which a luminescent solar concentrator having a photovoltaic cell positioned on an outer side thereof is interposed between a cultivation area and a radiation source, totally or partially covering the cultivation area. The electric energy recovered from the photovoltaic cell is used in the cultivation of the algae or plants.

Abstract: A monitoring and mapping system of the space-time distribution of formation fluids in a reservoir (30) comprising: at least four transceiver devices (40) arranged to be applied at a predefined mutual distance along a casing pipe (12), each of the transceiver devices (40) comprising: a tubular body (41) arranged to be fit on the casing pipe (12), the tubular body (41) having at a first end a first longitudinal portion (42), at a second end a second longitudinal portion (43) and a third longitudinal portion (44) interposed between the first (42) and second (43) longitudinal portions; a coil (45) wound on the first longitudinal portion; a layer of elastomeric material (46) which winds the third longitudinal portion (43); an electrode (47) wound on the layer of elastomeric material (46); a peripheral N electronic control unit (48) associated with the tubular body (41); the monitoring and mapping system comprising a central electronic control and data acquisition unit (60) configured to drive the peripheral electr

Abstract: A lid assembly that includes at least one curved linkage coupling a button to a spout. The spout has a drinking aperture and is configured to convey a liquid to the drinking aperture. The button is configured to slide linearly between button open and button closed positions. The at least one curved linkage is configured to rotate the spout when the button slides linearly. The at least one curved linkage is configured to rotate the spout into a spout open position when the button is slid linearly into the button open position. The at least one curved linkage is configured to rotate the spout into a spout closed position when the button is slid linearly into the button closed position. The liquid is drinkable by a user from the drinking aperture when the spout is in the spout open position.

Abstract: Embodiments described herein provide functionalized carbon nanostructures for use in various devices, including photovoltaic devices (e.g., solar cells). In some cases, the carbon nanostructures are fullerenes substituted with one or more isobenzofulvene species and/or indane species. Devices including such materials may exhibit increased efficiency, increased open circuit potential, high electron/hole mobility, and/or low electrical resistance.

Abstract: The present invention relates to a device for generating a disturbance in the differential mode of propagation of an RF signal transmitted along a coaxial transmission line.

Abstract: The present invention relates to a reaction device with air-lift type internal circulation which includes: a vertical cylindrical volume (1), more than one draft tube vertical element (2) positioned within the cylindrical volume (1) in such a manner as to form an gap with the walls of said volume, more than one gas distributor (3), each of which is positioned on the bottom of said device; wherein: each vertical internal element (2) has an internal diameter which increases along the vertical axis of said element, and the ratio between the total height of the reaction device and the internal diameter of the reaction device is less than 1.

Abstract: Reflectometric vibration measurement system to monitor multiphase flows in production wells or pipelines using multimode fibers comprising: —a sensing multimode optical fiber; —an optical source with at least one fiber output port, which generates optical pulses which are to be sent to the sensing fiber; —an optical receiver with at least one multimode fiber input port; —an optical device with at least 3 multimode fiber ports, in which one port is connected to the optical source, one port to the optical receiver, and one port to the sensing multimode fiber; —a system for processing the output signals from the optical receiver, further comprising more than one spatial mode filter. A process for reconfiguring an optical reflectometry system which has already been installed in a monitoring structure is also described.

Abstract: An autonomous underwater system for environmental monitoring including a multidisciplinary underwater station including onboard instrumentation, at least one autonomous modular underwater vehicle movable inside an area to be monitored along an assigned route, and at least one external instrumental modulus which can be connected the vehicle, wherein the multidisciplinary underwater station includes a docking area, an interface system, an equipping system for supplying the vehicle with instrumental moduli, and a management system.