1397 results about "Hydrocotyle bowlesioides" patented technology

Improved performance ion exchange membranes for use in REM, AEM and DMFC fuel cells, buffered fuel cells, hydrolysis, other applications comprise a molecular matrix of homopolymers, di-monomer, heteropolymers, copolymers, or block-polymers of fluorocarbon and hydrocarbon compounds combined with (i) skeletal support grid to improve durability, handling, reduce membrane swelling, and sequester dopants and nanoparticles from leakage; (ii) microporous membrane formed using a sacrificial filler process enhancing conductivity and limiting fuel crossover; (iii) hetero-ionomeric matrix of two-or-more membrane-bound acids e.g. sulphonic and phosphonic acid expanding usable range; (iv) permanent fillers enhancing conductivity and porosity including nanoparticles, metal-oxides, zeolites, silicates, GOs, CNTs, MOFs, POSS, and others; (v) ionic liquid doping to enhance membrane conductivity; (vi) membrane nanocoating preventing H2O2 diffusion; and / or (vii) catalytic nanocoating with metals, metal-oxides, and MOFs preventing atmospheric toxin catalyst poisoning. Combined with a heterogenous GDI, the IEM is integrated into iBFC power blade and energy bank applications.

Fracturing or fracking fluids for fracturing a subterranean reservoir for hydrocarbon recovery and related methods are described. The fluid comprises lignin, in particular technical lignin, and at least one strain of bacteria capable of biosurfactant production and / or a biosurfactant produced by at least one such isolated strain of bacteria. Also described is a fracturing method for recovering hydrocarbons from a subterranean formation.

An offshore installation or offshore vessel is provided which comprises a reactor system for carrying out steam reforming of a feed gas comprising hydrocarbons.

This disclosure includes systems and methods of operating a convection section of an furnace in a chemical production process with simulated combustion gas (SCG) that is heated by an electric or thermal energy source instead of by combustion. Some such systems and methods utilize a thermal mass that is configured to store thermal energy such that the thermal mass can be used to heat a working fluid. The thermal mass can be coupled to a heater that receives electrical energy from a renewable source, and converts the electrical energy into thermal energy to heat the thermal mass and thereby store the thermal energy. In some aspects, a furnace is in fluid communication with the thermal mass such that the furnace receives the working fluid from the thermal mass to provide thermal energy to process for chemical production that would otherwise typically be provided by flue gas from a hydrocarbon-fired radiant section in conventional systems. In some configurations, the working fluid is or comprises one or more radiatively participating gases heated to exceed a threshold above which the working fluid transfers heat through radiation.

Integrated processes and facilities for providing recycled content hydrocarbon products (r-products) from mixed waste plastic are provided. Carbon dioxide capture and energy recovery from one or more process streams described herein increase energy efficiency and help reduce overall environmental impact while producing valuable final products from chemically recycled waste plastic.

Systems and methods of the present disclosure includes a mixer configured to mix air and hydrocarbons and a burner configured to receive the mixed air and hydrocarbons and to generate syngas. The system also includes a cooling system configured to receive the syngas and to cool the syngas to form cooled syngas. The system further includes a collector configured to collect carbon from the cooled syngas as soot. Moreover, the system includes a flare stack configured to receive the cooled syngas and to burn off at least part of the cooled syngas.

Systems, methods, and apparatus for characterizing reservoirs are discussed. As an example, a method for characterizing a reservoir is discussed that includes determining a ki parameter, a αE parameter, and a αP parameter based at least in part on the at least four pairs of effective stress and permeability; and predicting a hydrocarbon production rate from reservoir represented by the sample rock based at least in part on the ki parameter, the αE parameter, and the αP parameter.

The present disclosure provides a solid electrolyte composition that can suppress deterioration in ion conductivity of an ionic solid electrolyte material. The solid electrolyte composition according to the present disclosure contains a sulfur element-free ionic solid electrolyte material and an organic solvent, where the organic solvent includes at least one selected from the group consisting of a hydrocarbon and a compound having a functional group; and the functional group is at least one selected from the group consisting of an ether group, a halogen group, and a Si—O—C group.

Provided herein are lipid compounds, e.g., a compound of Formula (I) comprising an amine (heterocyclic) "head group" and a "hydrocarbon tail" moiety, and pharmaceutical compositions thereof. Also provided are lipid nanoparticles, each comprising a lipid compound of Formula (I), as a promising delivery vehicle for a variety of therapeutic agents, including small molecule drugs, proteins, and nucleic acids.

Disclosed herein are methods for pyrolysis of plastic feedstock comprising post-consumer and / or post-industrial plastics. In various implementations, the methods include directing the plastic feedstock into an internal volume of a reactor vessel, and pyrolyzing the plastic feedstock in the internal volume of the reactor vessel.

A fuel reforming system for a vehicle on which a reciprocating engine is mounted is provided can comprise a decomposer to decompose hydrocarbon fuel into carbon and hydrogen gas by using heat and a pressure of combustion gas and a catalyst and to hold carbon. The decomposer can communicate with a combustion chamber via an openable / closable third port. A reforming space in which a reforming member including the catalyst is installed can be on the side of a connection portion of the decomposer with the third port. On an opposite side of interior of the connection portion of the decomposer with the third port, an additional space is provided to accommodate residual gas that remains in the third port and the decomposer when combustion gas is introduced into the decomposer through the third port.

A thermochemical system and method for thermochemical decomposition of a hydrocarbon feedstock such as methane or natural gas within an insulated volume where the important elements of the thermochemical system are located within the insulated volume. The insulated volume contains a heater and a thermal energy storage medium in thermal communication with the heater such that it is heated by the heater and stores the thermal energy it receives by a heat storage process. The thermal energy storage medium is also configured to release the thermal energy that it stored in the form of a released heat. The insulated volume also contains a hydrocarbon pyrolysis reactor thermally coupled with the thermal energy storage medium to receive the released heat and use it for driving pyrolysis of the hydrocarbon feedstock to produce pyrolysis products containing primarily hydrogen and a solid carbon product. Pyrolysis of the hydrocarbon feedstock is driven at a high temperature, such as between 700 ° C and 2, 000 ° C.

An article for joule heating is described, including a three-dimensional substrate on and / or in which a pyrolyzate of a phenolic resin or polymer forms an electrically conductive carbon network. Such articles may be incorporated in structured materials applications, which may include support, sorbent, and or catalyst components. Also described are methods of fabricating such articles and structured materials, and apparatus comprising same, and methods of use of such articles and structured materials and apparatus for conducting material transformation processes requiring input of heat for their performance, such as CO2 adsorption, methane pyrolysis for hydrogen and carbon production, hydrogen-assisted conversion of CO2 to hydrocarbons, including catalytic conversion of CO2 to olefins, catalytic conversion of CO2 to propane (liquefied petroleum gas), and catalytic conversion of CO2 to renewable natural gas, reverse water gas shift reaction, steam ethane cracking, propane cracking, steam methane reforming, and dry methane reforming.

Example gas recovery systems disclosed herein include a source gas conditioning assembly comprising a compression component and swing adsorption component configured to provide a conditioned source gas, a first membrane assembly to separate the conditioned source gas into a hydrocarbon enriched stream and a recovery stream, a second membrane assembly to separate the hydrocarbon enriched stream into a hydrocarbon product stream and a recycle stream, a carbon dioxide plant assembly to provide a carbon dioxide product stream and an enriched recycle stream, and a standalone membrane assembly at least selectively fluidly coupled to the enriched recycle stream, and separates the enriched recycle stream into a hydrocarbon enriched recycle stream and an effluent stream. The swing adsorption component is at least selectively coupled to the enriched recycle stream. The source gas conditioning assembly is fluidly coupled to the recycle stream, and at least selectively coupled to the hydrocarbon enriched recycle stream.

Techniques for updating hydrocarbon parameters include identifying well data associated with wells formed in subterranean formations of a hydrocarbon reservoir; determining a data density value for each well; assigning each well into a pressure grouping based on a wellbore pressure similarity of the well relative to an initial pattern well; generating a two-dimensional (2D) model of the hydrocarbon reservoir; converting the 2D model into a three-dimensional (3D) model of the hydrocarbon reservoir; and updating a permeability or a porosity associated with a grid cell of the 3D model.

The utility model discloses a vertical liquid storage tank pump inlet pipeline structure which comprises a pump inlet pipeline, a horizontal pipeline and a slope pipeline which are sequentially connected, the pump inlet pipeline is vertically arranged downwards along a storage tank pipeline nozzle, and the horizontal pipeline is connected to the lower end of the pump inlet pipeline. The gradient pipeline is arranged above the horizontal pipeline, the lower end of the gradient pipeline is connected with the horizontal pipeline, a stop valve is arranged on the gradient pipeline, the upper end of the capillary pipeline is connected with a storage tank, and the lower end of the capillary pipeline extends to the inner bottom of the horizontal pipeline. The utility model aims to solve the technical problems in the prior art, and provides a vertical liquid storage tank pump inlet pipeline structure which can keep low-temperature liquid in a horizontal pipeline circulating and thoroughly block the risks of dry evaporation and hydrocarbon precipitation at the dead end of the pipeline.

The invention relates to a sodium ion battery hard carbon material preparation method, which comprises: (S1) uniformly mixing an asphalt substance and a heteroatom-rich organic matter to obtain a mixed precursor I; (S2) carrying out heat treatment on the mixed precursor in an oxidizing atmosphere, cooling, and wrapping the heteroatom-rich organic matter in the asphalt melting process to obtain a mixed precursor II; and (S3) calcining, cooling, grinding, washing and drying the mixed precursor II in an inert atmosphere or a hydrocarbon atmosphere to obtain the amorphous sodium ion battery negative electrode material. The negative electrode material obtained by the preparation method disclosed by the invention has high capacity and high energy density, a carbon material which is low in cost, simple in preparation process, adjustable in disorder degree, high in carbon yield and suitable for large-scale production is provided, and the carbon material is applied to the sodium ion secondary battery as the negative electrode material.

A system includes production tubing, a first packer, a second packer, one or more first ports, and one or more first conduits. The production tubing extends downhole through multiple subsurface formations including a first formation and a second formation that are gas-bearing formations and a third formation separating the first formation and the second formation. The first packer is positioned in the third formation. The second packer is positioned uphole of the formations. The one or more first ports extend through the production tubing downhole of the first packer. The first ports are movable between an open configuration and a closed configuration. The one or more first conduits extend from a first opening in an outer surface of the production tubing to a second opening in the outer surface of the production tubing, with a first valve positioned between the first opening and the second opening.

To perform in-situ imaging and characterization of hydraulic fracture development, a triaxial test assembly is configured to evaluate a core sample obtained from a hydrocarbon formation. The triaxial test assembly is positioned within a Computer Tomography (CT) imaging system. While the triaxial test assembly is positioned within the CT imaging system, a core sample is connected to the triaxial test assembly. The triaxial test assembly is operated to evaluate the core sample. The CT imaging system is operated while evaluating the core sample by operating the test assembly. Properties of the core sample are determined using results of operating the triaxial test assembly and of operating the CT imaging system.

Disclosed are methods, systems, and computer-readable medium to perform operations including: receiving historical production data associated with a hydrocarbon well; preprocessing the historical production data to remove noise from the historical production data; using one or more machine-learning algorithms and the preprocessed historical production to train a simulation model to simulate a flow-after-flow test for the hydrocarbon well; and testing the simulation model to determine that the simulation model passes predetermined testing criteria.

The glass transition temperature of the cured product of a resin composition containing a benzoxazine having a terminal unsaturated hydrocarbon group is improved. A resin composition according to an embodiment contains compounds of formula (1) and formula (2). JPEG0007659692000032.jpg74167

Methods and systems are disclosed. The method may include obtaining a first plurality of hydrocarbon source rock samples from a first well and a second plurality of hydrocarbon source rock samples from a second well, each well penetrating a portion of a subterranean region. For each of the first and second plurality of samples obtaining a set of kinetic parameter values, including a discrete distribution of activation energy and a common frequency factor and determining a weighted average activation energy value from the distribution. The method may further include identifying a first chemostratigraphic segment of the first well and a second chemostratigraphic segment of the second well, each based on the weighted average activation values; determining a correlated stratigraphic unit and mapping organofacies based on the first the second chemostratigraphic segments; and predicting hydrocarbon generation, retention and expulsion and determining a drilling target within the correlated stratigraphic unit.

The present invention relates to the field of catalyst technology, discloses a supported noble metal catalyst and its preparation method and application, the catalyst includes a first carrier and a coating loaded on the first carrier, the raw material composition for preparing the coating includes a second carrier, an active component precursor, an auxiliary agent precursor, a binder and a dispersant; the first carrier is cordierite, mullite or cordierite-mullite; the second carrier is titanium dioxide and / or aluminum oxide; the active component precursor is selected from at least one of a platinum precursor, a palladium precursor and a rhodium precursor; the auxiliary agent precursor is a combination of a cerium precursor, a zirconium precursor and a neodymium precursor; the binder is a mixture of an organic binder, an inorganic binder and a coupling agent. The supported noble metal catalyst has low production cost, high catalytic activity, strong anti-poisoning ability and long service life, can be used for the removal of volatile organic compounds, and is particularly suitable for the removal of flue gases such as ethylene and propane with large air volume and low concentration of organic small molecule hydrocarbons.

The invention relates to the technical field of fuel additives, in particular to a fuel additive as well as a preparation method and application thereof. Comprising the following components in parts by weight: 60 to 220 parts of bis-polyether amine, 10 to 20 parts of polyisobutene amine, 5 to 15 parts of polyether polyol, 5 to 30 parts of alkyl amine alcohol, 0.5 to 20 parts of polybasic fatty acid ester, 0.5 to 20 parts of alkyl acid ester, 10 to 30 parts of a catalyst, 2 to 7 parts of an antioxidant, 5 to 10 parts of a corrosion inhibitor and 10 to 50 parts of carrier oil. A small amount of the fuel additive is mixed with gasoline or diesel oil, and through bis-polyether amine and polyisobutene amine, combustion of fuel oil in a combustion chamber of an internal combustion engine is improved, more complete combustion of the gasoline or the diesel oil is promoted, the combustion efficiency of the fuel oil is enhanced, the oil consumption is reduced, and the economical efficiency of the fuel oil is improved; and air pollution caused by emission of hydrocarbon or combustion intermediate products is reduced.

The present invention relates to a method for determining locations of wells in a field containing a hydrocarbon reservoir, said method comprising: ⋅receiving a first set of geological gridded models; ⋅receiving a set of criteria for positioning wells; ⋅receiving a plurality of reference well patterns associated to the first set of geological gridded models; ⋅estimating a plurality of weights, each weight being associated to a respective criterion among the plurality of criteria, based on the plurality of reference well patterns and the received set of criteria; ⋅receiving a second geological gridded model of the field; and ⋅determining locations of wells in the second geological gridded model based on the received set of criteria and the plurality of estimated weights.

Systems and methods of the present disclosure includes a mixer configured to mix air and hydrocarbons and a burner configured to receive the mixed air and hydrocarbons and to generate syngas. The system also includes a cooling system configured to receive the syngas and to cool the syngas to form cooled syngas. The system further includes a collector configured to collect carbon from the cooled syngas as soot. Moreover, the system includes a flare stack configured to receive the cooled syngas and to burn off at least part of the cooled syngas.

Method of reducing carbon dioxide to form one or more hydrocarbon products, the method comprising: providing an electrochemical cell comprising: a working electrode comprising a copper composite comprising a copper nanosheet array comprising a plurality of copper nanosheets, wherein the plurality of copper nanosheets comprise copper(100) facets; a counter electrode; optionally a reference electrode; and an electrolyte solution comprising an electrolyte and CO2, wherein the electrolyte solution is between and in contact with the working electrode, the counter electrode, and optionally the reference electrode; and applying an electric current between the working electrode and the counter electrode resulting in electrolytic reduction of the CO2 thereby forming the one or more hydrocarbon products.

A process and apparatus for producing biofuel from biorenewable feedstock is disclosed. The process comprises hydrotreating the biorenewable feed stream in a hydrotreating reactor to hydrodeoxygenate a biorenewable feed stream to provide a hydrotreated effluent stream. The hydrotreated effluent stream is separated in a hot separator into a hot separated vapor stream and a hot separated liquid stream. A hydroisomerization feed stream is taken from the hot separated liquid stream and hydroisomerized in a hydroisomerization reactor to provide a hydroisomerized stream. All or a portion of a return stream taken from the hot separated vapor stream is recycled to the hydroisomerization reactor. The disclosed process and apparatus minimize the carryover of the normal C16 to the biofuel and maximizes the hydroisomerization of n-paraffin hydrocarbons in the hydrotreated effluent stream to produce a biofuel which meets the biofuel specification without affecting or compromising the biofuel yield.

A process and apparatus for producing biofuel from biorenewable feedstock is disclosed. The process comprises hydrotreating the biorenewable feed stream in a hydrotreating reactor to hydrodeoxygenate a biorenewable feed stream to provide a hydrotreated effluent stream. The hydrotreated effluent stream is separated in a hot separator into a hot separated vapor stream and a hot separated liquid stream. A hydroisomerization feed stream is taken from the hot separated liquid stream and hydroisomerized in a hydroisomerization reactor to provide a hydroisomerized stream. All or a portion of a return stream taken from the hot separated vapor stream is recycled to the hydroisomerization reactor. The disclosed process and apparatus minimize the carryover of the normal C16 to the biofuel and maximizes the hydroisomerization of n-paraffin hydrocarbons in the hydrotreated effluent stream to produce a biofuel which meets the biofuel specification without affecting or compromising the biofuel yield.

The invention relates to the field of fuel, and discloses a fuel composition and application thereof. The fuel composition comprises a basic fuel and functional fuel addition components, the functional fuel addition components comprise polyoxymethylene dialkyl ether, hydrocarbon, a cetane number enhancer and a lubricant, the hydrocarbon is polycyclic hydrocarbon fuel and / or polycyclic hydrocarbon fuel, and the cetane number enhancer is polycyclic hydrocarbon fuel and / or polycyclic hydrocarbon fuel. The lubricant is selected from dibasic acid monoester compounds and fatty acid and / or fatty acid polyol ester; based on the total mass of the functional fuel additive components, the content of the polyoxymethylene dialkyl ether is 1-70% by mass, the content of the hydrocarbon is 15-90% by mass, the content of the cetane number enhancer is 0.005-10% by mass, and the content of the lubricant is 0.001-5% by mass. The composition is suitable for making up the deficiency of polyoxymethylene dimethyl ethers in plateau areas and improving the power and power performance of fuel engines.