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36 results about "Process economics" patented technology
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InactiveUS20060116960A1Acceptance has been slowEasy to controlFinanceBuying/selling/leasing transactionsComputer hardwareProcess economics
Owner:CITIBANK
Aromatic hydrocarbons from depolymerization and deoxygenation of lignin
ActiveUS20130025191A1Speed up the conversion processEconomically beneficialSolid fuelsLiquid carbonaceous fuelsProcess economicsDepolymerization
Processes are disclosed that achieve a high conversion of lignin to aromatic hydrocarbons, and that may be carried out without the addition of a base. Depolymerization and deoxygenation, the desired lignin convention steps to yield aromatic hydrocarbons, are carried by contacting a mixture of lignin and a solvent (e.g., a lignin slurry) with hydrogen in the presence of a catalyst. A preferred solvent is a hydrogen transfer solvent such as a single-ring or fused-ring aromatic compound that beneficially facilitates depolymerization and hinders coke formation. These advantages result in favorable overall process economics for obtaining fuel components and / or chemicals from renewable sources.
Owner:UOP LLC
Catalyst activation in a dual reactor process
ActiveUS8431657B2Not impacting process economicsIncreasing metal residueBulk chemical productionProcess economicsActivation method
Catalysts are activated in a dual reactor solution process by adding substoichiometric and superstoichiometric amounts of an ionic activator to an organometallic polymerization catalyst in a first and second reactor respectively. The new activation method allows one to alter process conditions in a favorably way with minimum impact to process economics. The new activation method also provides polymers which give films having improved optical properties.
Owner:NOVA CHEM (INT) SA
Oxygen enhanced plasma waste treatment system and method
ActiveUS20060075945A1Improve efficiencyReduce amountSolid fuel combustionIncinerator apparatusParticulatesSolid carbon
A method and apparatus that improves the efficiency of waste processing in waste treatment systems utilizing a high temperature plasma as the a energy source by delivering pressurized oxygen to the waste products while the waste products are exposed to the high temperature plasma. Providing oxygen at a speed of at least fifty feet per second obtains more energy content in the syngas, less solid carbon particulate, and faster gasification rates, improving process economics.
Owner:INENTEC
Combined hydrotreating method
InactiveCN103074103AIncrease cetane numberImprove energy efficiencyTreatment with hydrotreatment processesWaxProcess economics
The invention relates to a combined hydrotreating method. According to the method, a wax oil raw material enters a first hydrogenation reaction zone with an up-flow manner, such that a hydrotreating reaction is carried out; a reaction effluent from the first hydrogenation reaction zone enters a thermal high pressure separator; liquid-phase material flow from the bottom of the thermal high pressure separator is further separated by a thermal low pressure separator, such that dissolved gas is separated, and the material is directly used as a feed for a catalytic cracking device; hydrogen-rich gas and hydrocarbon fraction separated from the top of the thermal high pressure separator are mixed with a fresh diesel raw material; the mixture is subjected to a hydrogenation modification reaction in a second hydrogenation reaction zone; a reaction effluent from the second hydrogenation reaction zone is separated, such that a hydrogen-rich gas is obtained; and the hydrogen-rich gas is compressed, and is circulated back to the first hydrogenation reaction zone and the second hydrogenation reaction zone. With the method provided by the invention, device equipment investment and operation cost can be effectively reduced, and oil refining process economic efficiency can be improved to a maximal extent.
Owner:CHINA PETROLEUM & CHEM CORP +1
Fermentation of gaseous substrates
ActiveUS20140377826A1Enhanced mass transferBioreactor/fermenter combinationsBiological substance pretreatmentsProcess economicsFermentation
Processes, as well as associated systems, are disclosed for the biological conversion of CO into desired end products such as ethanol. The use of a plurality of perforated plates, for example in the riser section of a bioreactor, which are positioned substantially horizontally and normal to the upward flow of both a CO-containing substrate and liquid culture medium, can significantly improve CO utilization of the bacteria and consequently the overall process economics. The geometry of apertures in the perforated plates is an important determinant of their performance, with fractal patterns and other multi-edged shapes leading to particularly advantageous results.
Owner:LANZATECH NZ INC
Catalyst activation in a dual reactor process
ActiveUS20120149856A1Not impacting process economicsIncreasing metal residueBulk chemical productionProcess economicsActivation method
Catalysts are activated in a dual reactor solution process by adding substoichiometric and superstoichiometric amounts of an ionic activator to an organometallic polymerization catalyst in a first and second reactor respectively. The new activation method allows one to alter process conditions in a favorably way with minimum impact to process economics. The new activation method also provides polymers which give films having improved optical properties.
Owner:NOVA CHEM (INT) SA
Preparation method of blueberry pomace extract product having hypotensive effect and electuary
InactiveCN103933106ATake advantage ofLower blood pressurePharmaceutical non-active ingredientsGranular deliveryFruit juiceLarge Calorie
The invention discloses a preparation method of a blueberry pomace extract product having hypotensive effect and an electuary. The preparation method comprises the following steps: mixing blueberry pomace and acid alcohol, employing ultrasonic-assisted extraction, and drying an extract product to obtain the powdery blueberry pomace extract product containing anthocyanin. The electuary comprises the blueberry pomace extract product, a sour additive and calorie-free sugar, or comprises blueberry pomace extract product and fruit juice powder, the sour additive is a mixture of citric acid and sodium citrate, and calorie-free sugar is stevioside or xylitol. According to the invention, the by-product blueberry pomace extract product produced by a blueberry fruit juice production is used for obtaining the blueberry pomace extract product containing anthocyanin through a reasonable technology, the blueberry pomace extract product has hypertension effect, provides a new approach for using the blueberry pomace, fully uses the blueberry resource, and blueberry processing economic benefit is increased. Simultaneously, the pollution problem due to by-product discharge can be solved, and the method is simple, and the practicality is strong.
Owner:TIANJIN UNIV OF COMMERCE
Reducing solvent retention in es-sagd
Hydrocarbons in a subterranean reservoir are recovered using Expanding Solvent-Steam Assisted Gravity Drainage (ES-SAGD), including recovering hydrocarbons while reducing the solvent retention in the reservoir. Reducing solvent retention improves process economics.
Owner:CONOCOPHILLIPS CO
Fermentation of gaseous substrates
ActiveUS9340802B2Enhanced mass transferBioreactor/fermenter combinationsBiological substance pretreatmentsProcess economicsFermentation
Processes, as well as associated systems, are disclosed for the biological conversion of CO into desired end products such as ethanol. The use of a plurality of perforated plates, for example in the riser section of a bioreactor, which are positioned substantially horizontally and normal to the upward flow of both a CO-containing substrate and liquid culture medium, can significantly improve CO utilization of the bacteria and consequently the overall process economics. The geometry of apertures in the perforated plates is an important determinant of their performance, with fractal patterns and other multi-edged shapes leading to particularly advantageous results.
Owner:LANZATECH NZ INC
Integrated corn processing
The invention provides an integrated corn processing model and plant which can be used to generate grits, ethanol, energy, starch, sweeteners, gluten, fermentation products, corn meal and oil in a manner that allows the controller to shift outputs depending on process economics and availability of inputs.
Owner:CARGILL INC
Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol
InactiveUS6989455B2Improve economyProlong lifeOrganic compound preparationOrganic chemistry methods1,4-ButanediolProcess economics
In the process for the conversion of maleic acid to gamma-butyrolactone, 1.4-butanediol and / or tetrahydrofuran, a feedstream comprising maleic acid is hydrogenated in a first hydrogenation zone to produce a reaction product comprising succinic acid and unreacted hydrogen which is then supplied to a second hydrogenation zone, where succinic acid is converted to 1,4-butanediol, the temperatures of the feedstream comprising maleic acid and the first hydrogenation zone are controlled such that the temperature of maleic acid in the feedstream and the first hydrogenation zone does not exceed about 130° C., thereby minimizing the corrosive effects of the maleic acid and prolonging reactor life and improving overall process economics.
Owner:INNOVENE USA
Process and apparatus for condensation repressing isotope separation by laser activation
ActiveUS20140270035A1Low costAvoid formingConversion outside reactor/acceleratorsIsotope separationBiological activationLaser beams
Isotope enrichment by laser activation wherein a multi-isotopic element Q, like Uranium, Silicon, Carbon is incorporated into gaseous QFn, QF6, QF4, QOmFn, etc and diluted in gas G like He, N2, Ar, Xe, SF6 or other inert gas; and wherein that mixture is cooled by adiabatic expansion or other means encouraging formation of dimers QF6:G in a supersonic super-cooled free jet; and wherein that jet is exposed to laser photons at wavelengths that selectively excite predetermined molecules iQF6 to iQF6*, thereby inducing rapid VT conversions and dissociations of iQF6*:G→iQF6+G+kT, while leaving non-excited dimers jQF6:G intact; and wherein a skimmer separates the supersonic free-jet core stream containing heavier jQF6:G dimers from lighter core-escaped iQF6-enriched rim gases. Particularly an advanced technique is disclosed to enrich iUF6 by free jet expansion and isotope-selective dimerization suppression, utilizing a molecular CO laser and intra-cavity UF6 irradiation with laser lines overlapping predetermined iUF6 absorptions; and providing multiple free jet separator units irradiated by one laser beam, thereby enhancing process economics.
Owner:CRISLA INC
Deposit mitigation in gasoline fractionation, quench water system and product recovery section
ActiveUS20110247967A1Reduced deposit formationReduce probabilityThermal non-catalytic crackingHydrocarbon distillationProcess economicsFractionation
A method for selecting a solvent or mixture of solvents useful for mitigating deposit formation, cleaning existing deposits, and / or decreasing the rate of deposit formation is disclosed. Decreasing the rate at which deposits may form and / or increasing the rate at which deposits may be removed can dramatically improve process economics (e.g., decreasing down time as a result of deposit formation). In one aspect, embodiments disclosed herein relate to a process for dispersing foulants in a hydrocarbon stream, including the steps of: determining a nature of foulants in a hydrocarbon stream; selecting a solvent or a mixture of solvents suitable to disperse the foulants based upon the determined nature; and contacting the foulants with the selected solvent or mixture of solvents.
Owner:LUMMUS TECH INC
Process for improved recovery of fermentation products from intracellular and extracellular presence
The present invention increases yield of the target fermented molecules by spray drying the fermentation broth and reducing the process volume to nearly one tenth the original. Thus, none of the target molecules are lost and requirements of the solvent and the other conventional method process equipments and processing materials are reduced considerably. Product recovery is improved. A major saving in the waste water treatment offsets spray drying and offers better process economics.
Owner:VIRIDIS BIOPHARMA PVT
Recycling method of valuable metal from copper-cobalt white alloy
ActiveCN109182780ALower the smelting temperatureLower requirementProcess efficiency improvementSlagOxygen
The invention discloses a recycling method of valuable metal from copper-cobalt white alloy, comprising the following steps: (1) adding one or several of matte, copper-nickel matte and scrap copper into a converter together with copper-cobalt white alloy; (2) controlling smelting temperature in the converter to be 1150-1400 DEG C, and blowing oxygen-containing gas into the converter, so that material in the converter reacts in an oxidizing atmosphere, to produce crude copper, cobalt-containing slag and flue gas; (3) separating the crude copper from the cobalt-containing slag, and recycling cobalt from the cobalt-containing slag. According to the method disclosed by the invention, by mixing and smelting the copper-cobalt white alloy with high melting point with matte / copper-nickel matte / scrap copper with low melting point, smelting temperature needed for independently smelting iron-cobalt-copper alloy is effective lowered, the energy consumption advantage of the process is prominent, the requirement of the refractory material is reduced, the process economic benefit is increased, the use amount of a slag forming constituent is small, and the method is relatively economical and environment-friendly.
Owner:CHANGSHA RES INST OF MINING & METALLURGY
Aromatic hydrocarbons from depolymerization and deoxygenation of lignin
ActiveUS8772557B2Speed up the conversion processEconomically beneficialHydrocarbons from unsaturated hydrocarbon additionSolid fuelsProcess economicsDepolymerization
Processes are disclosed that achieve a high conversion of lignin to aromatic hydrocarbons, and that may be carried out without the addition of a base. Depolymerization and deoxygenation, the desired lignin convention steps to yield aromatic hydrocarbons, are carried by contacting a mixture of lignin and a solvent (e.g., a lignin slurry) with hydrogen in the presence of a catalyst. A preferred solvent is a hydrogen transfer solvent such as a single-ring or fused-ring aromatic compound that beneficially facilitates depolymerization and hinders coke formation. These advantages result in favorable overall process economics for obtaining fuel components and / or chemicals from renewable sources.
Owner:UOP LLC
Distillation device (as amended)
ActiveUS20180154278A1Reduce energy lossReduce installation costsDistillation purification/separationFractional distillationProcess economicsThermoplastic elastomer
The present application relates to a distillation device and a distillation method, and according to the distillation device of the present application, it is possible to minimize the energy losses that occur in the refining process of the raw material containing the monomer and the solvent used in the polymerization process of the thermoplastic elastomer and to reduce the installation cost of the distillation device more than the case of refinement with two distillation columns, and thus the process economics may be improved.
Owner:LG CHEM LTD
Tunnel-type hot-air tobacco-leaf-conditioning process and device used in process
ActiveCN105455185AReduce breakageImproves moisture uniformityTobacco preparationProcess economicsHigh humidity
The invention relates to a tunnel-type hot-air tobacco-leaf-conditioning process. The tunnel-type hot-air tobacco-leaf-conditioning process is characterized by adopting the method of firstly warming and then humidifying, or the circulating method of firstly warming, then humidifying, then warming, and then humidifying, wherein tobacco leaves are conditioned in multiple stages and in gradients, the warming adopts the hot air method, a tunnel-type annular conveying belt mesh is adopted in the tobacco-leaf-conditioning process, the tobacco leaves and the conveying belt mesh are static relatively in the warming and humidifying processes, and under the condition that the volume of the tobacco leaves is not changed, the tobacco-leaf-conditioning efficiency is improved by adopting the manner of reducing the thicknesses of the tobacco leaves, increasing the areas, and enabling the hot air and the high-temperature and high-humidity atomized vapor-water mixture to penetrate a material layer. The tunnel-type hot-air tobacco-leaf-conditioning process has the beneficial effects that the process route of the tobacco leaves is shortened, the processing cost is reduced, the tobacco leaf breaking probability is reduced, the tobacco processing economic benefit is improved, the moisture uniformity of the tobacco leaves is improved, the slice-shaped structure of tobacco leaf processing is promoted, the process route is shortened, the cost is reduced, and the uniform and stable material is provided for a threshing unit.
Owner:YUNNAN KUNCHUAN TOBACCO EQUIP CO LTD
Process for conversion of methane to higher hydrocarbons, including liquid fuels
ActiveUS20170101352A1High selectivityReduce material usageHydrogenLiquid hydrocarbon mixtures productionFractionationLiquid fuel
Aspects of the invention are associated with the discovery of processes for converting methane (CH4), present in a methane-containing feedstock that may be obtained from a variety of sources such as natural gas, to higher hydrocarbons (e.g., C4+ hydrocarbons) such as gasoline, diesel fuel, or jet fuel boiling-range hydrocarbons, which may optionally be separated (e.g., by fractionation) for use as transportation fuels, or otherwise as blending components for such fuels. Particular aspects of the invention are associated with advantages arising from maintaining reaction conditions that improve the yield of C4+ hydrocarbons. Further aspects relate to the advantages gained by integration of the appropriate reactions to carry out the methane conversion, with downstream separation to recover and recycle desirable components of the reaction effluent, thereby improving process economics to the extent needed for commercial viability.
Owner:GAS TECH INST
Improved glycol acylation process with water-tolerant metal triflates
InactiveUS20170008902A1Lower catalyst loadingOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsProcess economicsAlcohol
A method for acid-catalyzed acylation of an isohexide is described. The method can enable direct alcohol acylation with carboxylic acids. In particular, the method involves reacting an isohexide and an excess of carboxylic acid, in the presence of a water-tolerant Lewis acid catalyst. Water-tolerant Lewis acid catalysts can furnish relatively high diester yields (e.g., ≧55%-60%) at lower catalyst loads. This feature, among others, is highly desirable for cost savings, and can improve process economics.
Owner:ARCHER DANIELS MIDLAND CO
Deposit mitigation in gasoline fractionation, quench water system and product recovery section
ActiveUS8591725B2Reduce probabilityReduce the probability of depositionThermal non-catalytic crackingHydrocarbon distillationProcess economicsFractionation
A method for selecting a solvent or mixture of solvents useful for mitigating deposit formation, cleaning existing deposits, and / or decreasing the rate of deposit formation is disclosed. Decreasing the rate at which deposits may form and / or increasing the rate at which deposits may be removed can dramatically improve process economics (e.g., decreasing down time as a result of deposit formation). In one aspect, embodiments disclosed herein relate to a process for dispersing foulants in a hydrocarbon stream, including the steps of: determining a nature of foulants in a hydrocarbon stream; selecting a solvent or a mixture of solvents suitable to disperse the foulants based upon the determined nature; and contacting the foulants with the selected solvent or mixture of solvents.
Owner:LUMMUS TECH INC
Process and system for producing ethylene from pulverized coal in a two-stage calcium carbide furnace
ActiveCN104987275BGuaranteed volume ratioReduce pollutionHydrocarbon by hydrogenationDistillation purification/separationUranium carbideHigh pressure
The invention relates to a process and system for producing ethylene from pulverized coal in a two-stage calcium carbide furnace. The process includes: (1) two-stage calcium carbide production; (2) CO conversion and decarbonization to produce hydrogen; (3) acetylene generation; (4) acetylene hydrogenation reaction; (5) cryogenic separation. The present invention adopts an upper and lower two-stage calcium carbide furnace to organically combine the pyrolysis process with the calcium carbide production process, realizes the continuous production process of calcium carbide and the effective utilization of heat energy, thereby effectively reducing the energy consumption of calcium carbide production; As a carbon raw material, coal not only reduces the cost, but also increases the surface area of the raw material, increases the reactivity, reduces the temperature of calcium carbide smelting, and effectively reduces the energy consumption of the process; at the same time, high value-added tar and pyrolysis gas are obtained during the pyrolysis process By-products improve the overall economics of the process. In addition, the invention also uses a liquid phase solvent to absorb acetylene, avoiding the danger of acetylene polymerization explosion, and realizing high-pressure reactions, thereby improving the production capacity of the device.
Owner:SHENWU TECH GRP CO LTD
Method For The Combined Production of Polyols In The Presence Of An Inorganic Base
ActiveUS20190241492A1Avoid cross reactionIncreased space-time yieldOrganic compound preparationHydroxy compound preparationProcess economicsPolyol
The present invention relates to a process for simultaneously consecutive preparation of polyols by base-catalysed reaction of at least two different mid-chain aldehydes with formaldehyde. The simultaneous consecutive mode of operation makes it possible to achieve high conversions and high selectivities for both aldehydes, with additional achievement of a distinct reduction in the amount of unreacted formaldehyde remaining. This leads to improved process economics, since the energy costs for workup of the formaldehyde stream are distinctly reduced.
Owner:OQ CHEM GMBH
Process and apparatus for condensation repressing isotope separation by laser activation
ActiveUS10319486B2Energy efficiencyMinimize intra-cavity diffraction lossesConversion outside reactor/acceleratorsIsotope separationBiological activationLaser beams
Isotope enrichment by laser activation wherein a multi-isotopic element Q, like Uranium, Silicon, Carbon is incorporated into gaseous QFn, QF6, QF4, QOmFn, etc and diluted in gas G like He, N2, Ar, Xe, SF6 or other inert gas; and wherein that mixture is cooled by adiabatic expansion or other means encouraging formation of dimers QF6:G in a supersonic super-cooled free jet; and wherein that jet is exposed to laser photons at wavelengths that selectively excite predetermined molecules iQF6 to iQF6*, thereby inducing rapid VT conversions and dissociations of iQF6*:G→iQF6+G+kT, while leaving non-excited dimers jQF6:G intact; and wherein a skimmer separates the supersonic free-jet core stream containing heavier jQF6:G dimers from lighter core-escaped iQF6-enriched rim gases. Particularly an advanced technique is disclosed to enrich iUF6 by free jet expansion and isotope-selective dimerization suppression, utilizing a molecular CO laser and intra-cavity UF6 irradiation with laser lines overlapping predetermined iUF6 absorptions; and providing multiple free jet separator units irradiated by one laser beam, thereby enhancing process economics.
Owner:CRISLA INC
Method for the combined production of polyols in the presence of an inorganic base
ActiveUS10450254B2Increased space-time yieldReduce energy inputOrganic compound preparationHydroxy compound preparationProcess economicsPolyol
The present invention relates to a process for simultaneously consecutive preparation of polyols by base-catalyzed reaction of at least two different mid-chain aldehydes with formaldehyde. The simultaneous consecutive mode of operation makes it possible to achieve high conversions and high selectivities for both aldehydes, with additional achievement of a distinct reduction in the amount of unreacted formaldehyde remaining. This leads to improved process economics, since the energy costs for workup of the formaldehyde stream are distinctly reduced.
Owner:OQ CHEM GMBH
Method for manufacturing uranium foils containing fine crystals
The present invention relates to a process producing low or high enrichment uranium and uranium alloy foil, and the fabrication apparatus therefor. Uranium (U) and uranium alloy foil are directly obtained from a melt, not through a vacuum induction melting and casting, ingot cutting, hot-rolling and heat-treatment process, but through melt spinning or a twin-roll casting process. Major advantages have been obtained as follows: 1) a simplified process without the hot-rolling process and heat-treatment process, 2) an improvement in productivity and process economics in foil fabrication, and 3) a high purity and a high quality of the foil.
Owner:KOREA HYDRO & NUCLEAR POWER CO LTD
Combined oil shale dry distillation gas chemical chain hydrogen producing and power generating system and process
ActiveCN104192800AImprove energy efficiencyBalance heatHydrogenEnergy inputCyclic processProcess economics
The invention discloses a combined oil shale dry distillation gas chemical chain hydrogen producing and power generating system and process. The combined oil shale dry distillation gas chemical chain hydrogen producing and power generating system comprises an oil shale crushing and screening unit, an oil shale dry distillation unit, a dry distillation gas condensing and recycling unit which are sequentially connected and also comprises a fuel reactor, a steam reaction, a generating unit and an air reactor. According to the combined oil shale dry distillation gas chemical chain hydrogen producing and power generating system and process, residual coal gas with low heating value in the existing oil shale dry distillation oil refining process is used for producing hydrogen with high economic value and high chemical value, waste heat in a dry distillation gas recycling and hydrogen producing process is used for generating and producing steam, heat balance in a chemical cyclic process is realized by virtue of integration of heat, resource utilization rate and energy efficiency in the existing oil shale dry distillation process are improved, and process economic benefit is greatly increased.
Owner:SOUTH CHINA UNIV OF TECH
fire extinguisher head
InactiveCN104784856BHigh water gathering performanceEconomical to processFire rescueProcess economicsJet flow
Owner:JIANGSU UNIV
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