Abstract: There is a process for the preparation of polypropylene carbonate having the step of copolymerization of propylene oxide and carbon dioxide (CO2) in the presence of a catalytic system including: at least one catalyst selected from complexes of a transition metal having general formula (I): at least one co-catalyst selected from: (a) ionic compounds having general formula (II): and (b) ionic compounds having general formula (III):

Abstract: A plastic composition includes a plastic material with a halogen content less than or equal to 0.5% by mass with respect to the plastic material, oligomers derived from the plastic contained in the plastic material, halogenated salts, and hydrocarbon. A related process for producing a composition of plastic material includes the steps of forming a composition; bringing the composition at a temperature between 150° C. and 450° C., and keeping the composition obtained in the temperature range for a time between 10 seconds and 30 minutes to form a final composition. The inerting agent is added during the process in an amount such that the ratio between the sum of the moles of the alkali metals belonging to group IA and the sum of the moles of halogen contained in the plastic material is at most 20:1.

Abstract: An oleaginous yeast strain of the species Trichosporon oleaginosus, deposited on May 28, 2020 at Leibniz-Institut DSMZ, deposit number DSM 33530 can be used in the production of lipids by fermentation and was obtained by mutagenesis and subsequent selection from the oleaginous yeast strain of the species Trichosporon oleaginosus DSM 32508. The strain DSM 33530 is characterized by high thermotolerance, such as to allow the fermentation temperature to be increased compared to conventional processes and still guarantee the vital functions of the microorganism during fermentation itself.

Abstract: A process for concentrating amine water is achieved by dehydrating the amine water by membrane distillation at a temperature ranging from 30° C. to 95° C. and at a pressure ranging from 1.0 bar to 1.5 absolute bar.

Abstract: A method for pretreating and purifying crude bio-feedstocks intended for processes of transformation into biofuels is described, the method being characterized in that the crude bio-feedstock is subjected, in the form of an aqueous emulsion to a heat treatment by passing it through a coil visbreaker furnace at a temperature greater than 100° C. and a pressure greater than 3 barg, possibly in an inert atmosphere, for a pre-established contact/residence time, the effluent exiting the reactor being subsequently subjected to at least a non-absorbent physical separation to separate the bio-feedstock from metal contaminants and phosphorus.

Abstract: The present disclosure relates to the drilling of oil wells and more particularly to a testing tool, a testing assembly and method for use in measuring selected rock mechanics characteristics downhole.

Abstract: The present invention relates to an integrated process for the simultaneous production of polyunsaturated fatty acids, in particular in the form of esters, and of esters of palmitic acid from algae. The compounds of the present invention can be used in the pharmaceutical industry (products for the prevention of cardio-circulatory problems) and in the cosmetic industry (emollients and moisturizers).

Abstract: An acid gas absorbing mixture and a process for the removal of acid gases from gaseous mixtures containing them, such as natural gas, air and flue gases and an absorbent mixture usable for the removal of acid gases from gaseous mixtures containing them includes at least one diol of general formula R(OH)2 having a normal boiling point equal to or greater than 100° C.; at least one organic base having a pKb (in water) lower than or equal to 3; and a polar aprotic solvent having a dielectric constant ? at 25° C. greater than or equal to 30, a viscosity ? at 25° C. lower than or equal to 40 cP (centipoise). The organic base/diol weight ratio is lower than or equal to 0.6, and the aprotic solvent/diol weight ratio is between 0.05 and 0.6.

Abstract: A semi-transparent perovskite-based photovoltaic cell (or solar cell), wherein the photoactive perovskite layer includes at least one polysaccharide-based inert polymer in an amount ranging between 0.5% by weight and 3.5% by weight, preferably ranging between 1% by weight and 3% by weight, more preferably ranging between 1.5% by weight and 2.8% by weight, with respect to the total weight of the perovskite precursors. The semi-transparent perovskite-based photovoltaic cell (or solar cell) can be advantageously used in various applications that require the production of electricity through the exploitation of light energy, in particular solar radiation energy such as, for example: building integrated photovoltaic (BIPV) systems; photovoltaic windows; greenhouses; photo-bioreactors; noise barriers; lighting; design; advertising; automotive industry. Said semi-transparent perovskite-based photovoltaic cell (or solar cell) can be used either in a “stand alone” mode or in modular systems.

Abstract: There is a high-temperature tube bundle reactor built from material derived from metal oxides such as alumina-zirconia. The heat exchange surfaces of the reactor have a specific surface finish, and the bulk matrix of the material of the various components of the reactor has a specific grain, pore size and porosity characteristics. There is also a high-temperature redox process using the reactor.

Abstract: An acoustic wave generator for underwater applications has a hollow body along an axis, and the hollow body is associated with an acoustic diffuser member. The hollow body houses a first piston and a second piston. A drive group is associated with the first piston to move the first piston towards the second piston. An adjustment unit has a third piston and is interposed between the first and second pistons. The third piston forms a first isolated chamber between the first and third pistons and a second isolated chamber between the third and second pistons. A control unit controls activation of the second piston. A damping unit has an appendage chamber which is associated with the second chamber and is fluid-dynamically isolated therefrom. The pressure of the appendage chamber is controlled by the control unit to modulate the acoustic wave emission spectrum emitted by the diffuser member.

Abstract: A lipophilic copolymer including polar multi-blocks having general formula (I): [(ByAk)s]t(AjCm)??(I) wherein: B represents at least one monomer unit deriving from a lipophilic monomer having general formula (II): wherein: X represents a hydrogen atom; or a methyl group; R is selected from C1-C50 alkyl groups, linear or branched; A represents at least one monomer unit deriving from a polar monomer selected from: (a) compounds having general formula (III): wherein X represents a hydrogen atom or a methyl group and n represents an integer comprised between 0 and 4; (b) (meth)acrylamide or (meth)acrylamides substituted on the nitrogen atom with one or two C1-C4 alkyl groups linear or branched; (c) di-(C1-C4)-alkylamino-(C1-C4)-alkyl (meth)acrylates; C represents at least one monomer unit deriving from a polar polyfunctional monomer having general formula (IV): Z—(W)p??(IV) wherein: Z represents a group containing carbon, hydrogen and, optionally, oxygen; and W rep

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: An inverted polymer photovoltaic cell (or solar cell) includes an anode; a first anodic interlayer (buffer layer) based on PEDOT:PSS [poly(3,4-ethylenedioxythiophene):polystyrene sulfonate]; an active layer having at least one photoactive organic polymer as an electron donor and at least one electron acceptor organic compound; a cathodic interlayer (buffer layer); and a cathode. A second anodic interlayer (buffer layer) includes at least one heteropolyacid and, optionally, at least one amino compound is placed between the first anodic interlayer (buffer layer) and the active layer. The inverted polymer photovoltaic cell (or solar cell) shows good values of photoelectric conversion efficiency (power conversion efficiency—PCE) (?) and, in particular, a good level of adhesion between the different layers, more specifically between the active layer and the first anodic interlayer (buffer layer).

Abstract: A system having a catalytic partial oxidation (CPO) reactor to produce, from a CPO reactant mixture, a CPO reactor effluent characterized by a hydrogen to carbon monoxide (H2/CO) molar ratio and a M ratio defined as (H2?CO2)/(CO+C=2). The system includes a water-gas shift (WGS) reactor configured to produce a hydrogen enriched reactor effluent from at least a portion of the CPO reactor effluent, wherein the hydrogen enriched reactor effluent is characterized by a H2/CO molar ratio that is greater than the H2/CO molar ratio of the CPO reactor effluent. The system includes a CO2 separator operable to remove a portion of the CO2 from the hydrogen enriched reactor effluent to yield the syngas, wherein the syngas is characterized by a M ratio that is greater than the M ratio of the CPO reactor effluent and of the hydrogen enriched reactor effluent. Processes for producing the syngas and producing methanol therefrom are also provided.

Abstract: A controller of a gyroscope structure associated with a floating hull and equipped with an electrical converter suitable for converting the rotational energy of the floating hull into electrical energy, the controller, receiving as input a perturbed output state including operating variables of the gyroscope structure to determine a driving signal of the electrical converter, which includes a first signal portion determined using a predictive control model of the gyroscope structure computed on the basis of the perturbed output state and a second signal portion determined using a tube convergence computed on parametric deviations of the operating variables of the perturbed output state, the parametric deviations computed with respect to the operating variables of a unperturbed output nominal state of the gyroscope structure.

Abstract: A friction reducing additive is described formed by a mixture that is obtainable by autocatalytic condensation reaction of fatty acids with alkanolamines. The mixture includes an amide, one or more esters of carboxylic acids, and an oxazoline in an amount greater than 7% by weight with respect to the total weight of the mixture, wherein the additive may be used both in lubricants and in fuels.

Abstract: A process may prepare catalysts advantageously usable in the hydrotreatment processes, for example in hydrodesulfurization, hydrodenitrogenation, hydrodearomatization processes of hydrocarbons. Such catalysts may include mixed oxides of nickel, aluminum, molybdenum, and tungsten and optionally a transition metal Me selected from Zn, Mn, Cd, and a mixture thereof, an organic component C, and possibly an inorganic binder B. The mixed oxides may include an amorphous phase and a pseudo-crystalline phase isostructural to wolframite.

Abstract: A fluid for controlling the permeability of a subterranean formation having an aqueous solution of at least one thermo-responsive polymer with block structure A-B-A?, wherein A and A?, the same as or different from one another, each represent a thermo-responsive oligomer group, and B is an oligomer group having n repeat units, the same as or different from one another. At least one of the repeat units has a solubility of the corresponding monomer, in water at 20° C., equal to or greater than 120 g/l, and n is a whole number within the range 30-1000. The fluid is also used in a method for controlling the permeability of a subterranean formation.

Abstract: A photovoltaic converter for electric power generating panels includes photovoltaic modules. Each photovoltaic module has a substrate, extending along a main direction from a first end to a second end, and a photovoltaic devices, arranged on the substrate in succession along the main direction. The photovoltaic converter further includes at least a bridge module insertion-connecting a respective upstream photovoltaic module and a respective downstream photovoltaic module.