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WO/2024/089443A1 |
A method of decoking a cracking furnace includes: heating the cracking furnace to a specified average temperature; injecting a gas mixture including air and steam through the at least one tube at a first air to steam ratio; injecting the...
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WO/2024/048821A1 |
Disclosed is a pyrolysis apparatus comprising: a pyrolysis housing for providing a space to which a polymer compound is introduced; a heating means which is configured at the inner lower side of the pyrolysis housing, and provides heat t...
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WO/2024/048822A1 |
Disclosed is a pyrolysis system comprising: a pyrolysis device which heats and thermally decomposes a polymer compound; an extraction device for separating an extract by distilling a gas flowing from the pyrolysis device or a wax separat...
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WO/2024/035875A1 |
The present disclosure provides compositions and methods for use with hydrogen gas. A method may include adding hydrogen gas to a medium and adding a production chemical to the medium. As examples, the production chemical may be a corros...
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WO/2024/033932A1 |
The present invention discloses an anti-cracking additive composition for reducing the cracking in a reduced crude oil vacuum heater. The additive composition includes an H2S scavenger, an antioxidant, and a solvent. Wherein, the H2S sca...
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WO/2024/030571A1 |
The present disclosure advantageously refers to systems and methods for predicting an oil mixture's blend compatibility without mixing the components and/or without performing direct blend testing. The techniques described use a correlat...
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WO/2023/011800A9 |
Use of complex polyester amines and polyester quaternary ammonium compounds as corrosion inhibitors for metal surfaces, and a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibi...
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WO/2023/209094A1 |
The invention relates to a method for determining sooting tendency by means of a gas chromatography component analysis of hydrocarbon types and oxygenates of a substance mixture, in particular a fuel (F) or an additive (B), by means of a...
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WO/2023/211793A1 |
Reversion problems with heavy oils, such as heavy fuel oils, are mitigated by introducing an effective amount of an additive that contains both a phase change material and a pour point depressant, even synergistically mitigated.
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WO/2023/141353A1 |
A method for stabilizing asphaltenes in petroleum feedstocks such as crude oil includes adding to the feedstock an effective amount of an additive containing at least one waste plastic. Suitable waste plastics include, but are not necess...
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WO/2023/134977A1 |
The present invention is a composition stabilized against premature polymerization comprising a) a hydrocarbon stream having a diene value of at least 0.5 g I2/100 g as measured according to UOP 326, a bromine number of at least 5 g Br2/...
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WO/2023/107815A1 |
Processes for steam cracking hydrocarbons. The process can include introducing a hydrocarbon that can include ethane, propane, or a mixture thereof into radiant coils under steam cracking conditions that produce a steam cracker effluent ...
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WO/2023/100196A1 |
The present invention discloses a descaling and antifouling formulation including an ammonium oxalate, a nitrate salt, and a nitrogen compound selected from ethylenediaminetetraacetic acid (EDTA), or urea. The said formulation is soluble...
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WO/2023/064375A1 |
Disclosed are antifouling agents used in compositions and methods to reduce or prevent foulants in synthetic feedstocks derived from plastic. A method of reducing or preventing fouling in a plastic-derived synthetic feedstock composition...
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WO/2023/014944A9 |
Compounds, compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, using a corrosion-inhibiting composition comprising a dispersant having the structure of Formula 1 and a corrosion inhibitor...
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WO/2023/028040A1 |
Disclosed are succinic anhydride-derived polyester compounds used in compositions and methods for inhibiting corrosion.
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WO/2023/018704A1 |
A method of cleaning a condensate thermosyphon reboiler including modifying a flow rate of a hot oil stream introduced into the tube-side of a first condensate thermosyphon reboiler, modifying a flow rate of a condensate hydrocarbon stre...
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WO/2023/014941A1 |
Compounds, compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, using a polyester polyamine compound. The polyester polyamine compound having a structure corresponding to Formula 1 or 2, o...
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WO/2023/014955A1 |
Compositions and methods are provided for reducing, inhibiting, or preventing corrosion of a surface, the polyamine compounds corresponding to the structure of Formula 1 or 2, or a salt thereof, wherein X1 is –C(O)R9 or –[C(R10R11)]p...
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WO/2022/253467A1 |
The present invention relates to a method of determining a carburisation model of a coil of a steam cracking furnace, wherein a carbon gas is led through the coil during operation of the steam cracking furnace, wherein in a carburised po...
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WO/2022/226228A1 |
A filtration device for a down-flow catalytic hydroprocessing reactor is disclosed. The filtration device may be used in the petroleum and chemical processing industries in catalytic reactions of hydrocarbonaceous feedstocks in the prese...
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WO/2022/225842A1 |
The present disclosure relates to methods and compositions for reducing fouling by natural and synthetic foulants that tend to precipitate during hydrocarbon collecting, processing, transporting, and storing. The method includes applying...
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WO/2022/172279A1 |
The present invention discloses a corrosion inhibiting dioleyl compound, a method for synthesizing the same and a corrosion inhibiting film forming amine formulation prepared from the said dioleyl compound. Wherein, the said corrosion in...
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WO/2022/169662A1 |
A process for upgrading a heavy oil includes passing heavy oil and disulfide oil to a thermal cracking system that includes a thermal cracking unit and a cracker effluent separation system downstream of the thermal cracking unit and ther...
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WO/2022/169765A1 |
Compositions with supramolecular structures for use in anticorrosive methods include a corrosion inhibitor; a supramolecular host chemical or a supramolecular guest chemical configured to engage in host-guest chemistry with the corrosion...
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WO/2022/165105A1 |
Oxidized disulfide oil (ODSO) compounds or ODSO compounds and disulfide oil (DSO) compounds are added to a steam cracker feed. During the thermal cracking, the ODSO or ODSO and DSO components in the steam cracker mixture minimize coke fo...
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WO/2022/157586A1 |
The present invention relates to a polymerization inhibiting and emulsion breaking composition for inhibiting polymerization and simultaneously breaking emulsions formed between hydrocarbon and caustic, wherein the composition comprises:...
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WO/2022/154815A1 |
The present disclosure is directed to petrochemical processing systems that may include a component including a first surface oriented to contact a process fluid, which may define a plurality of channels. The petrochemical processing sys...
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WO/2022/144619A1 |
Systems and methods for producing a wash oil using a light fuel oil (e.g., cracked distillate) are disclosed. The methods include hydrogenating the cracked distillate and separating the hydrogenated cracked distillate to remove C4 to C6 ...
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WO/2022/147046A1 |
An anti-fouling composition has been developed that provides an advantageous reduction in the fouling of a structural part in a petroleum-refining system including reducing coking reactions and inhibiting deposition of solids in equipmen...
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WO/2022/136976A1 |
Systems and methods for steam cracking a hydrocarbon stream are disclosed. The methods include steam cracking a hydrocarbon stream in a steam cracker that comprises polymer composite tubes in the convection section of the steam cracking ...
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WO/2022/136801A1 |
The present invention relates to a composition of additives comprising: at least one first compound selected from: (i) copolymers of ethylene and vinyl acetate having a molar mass Mn included in the range ranging from 10,000 to 60,000 g....
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WO/2022/132590A1 |
A uniform oleophobic or oleo- and hydrophobic film is applied to equipment used in the petroleum industry. The methods can be applied to new equipment or equipment pulled from service, with the application process being performed in a co...
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WO/2022/126044A1 |
Solids dissolution may be promoted using a solvent blend comprising a disulfide solvent, particularly additional solids present in combination with elemental sulfur deposits. The solvent blends may comprise at least one disulfide solvent...
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WO/2022/100882A1 |
The invention relates to method for steam cracking, comprising: operating a steam cracking plant and using a model (100), representing at least part of the steam cracking plant, wherein the steam cracking plant and the model (100) are op...
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WO/2022/082622A1 |
The present disclosure provides a hydrogenation micro-interface system, comprising a hydrogenation reactor. A central region at the bottom surface of the hydrogenation reactor protrudes upwards to form a plane. Liquid outlets are respect...
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WO/2022/082621A1 |
Provided is a hydrogenation enhancing micro-interface system. The system comprises: a middle area of a bottom surface of a hydrogenation reactor projects upwards to form a plane; liquid outlets are respectively arranged at flat parts on ...
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WO/2022/070020A1 |
A method for reducing fouling in an aqueous system of an olefin production plant is disclosed. The method includes adding an effective amount of a surfmer to the aqueous system, wherein the surfmer forms a water soluble adduct by covalen...
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WO/2022/059954A1 |
The present invention relates to a method for upgrading heavy oil by using byproducts of coke production, and particularly provides a method for upgrading heavy oil, comprising the steps of: a) mixing heavy oil with byproducts of coke pr...
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WO/2022/035202A1 |
The present invention provides a pyrolysis system for controlling excess non-condensible gas, the pyrolysis system comprising a first and a second pyrolysis device, each of which comprises: an input means for inputting polymer waste into...
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WO/2022/026436A1 |
Disclosed are sulfur-containing molybdenum complexes used in compositions and methods for inhibiting or reducing the deposition of foulant on equipment.
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WO/2022/026434A1 |
Disclosed are sulfur-containing molybdenum complexes used in compositions and methods for inhibiting or reducing high temperature corrosion in petroleum refineries.
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WO/2022/005755A1 |
Methods for producing olefins through hydrocarbon steam cracking include passing a hydrocarbon feed that includes one or more hydrocarbons to a hydrocarbon cracking unit and passing one or more sulfur-containing compounds to the hydrocar...
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WO/2022/005506A1 |
A process for blending a hydrocarbon-based composition that includes combining a first heated water stream with a first hydrocarbon-based composition comprising asphaltene to create a first combined feed stream and allowing the first hea...
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WO/2022/004434A1 |
Provided is a novel method which enables the highly efficient prevention of the fouling of a heat exchanger in a petroleum process. In one aspect, a method for preventing the fouling of a heat exchanger in a petroleum process using a f...
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WO/2021/257442A1 |
Corrosion inhibitor compositions and methods for inhibiting corrosion on a metal surface exposed to a hydrocarbon fluid are provided. The corrosion inhibition compositions can include a corrosion inhibitor, such as 3-dimethylamino benzoi...
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WO/2021/231147A1 |
A method of stabilizing asphaltenes in a petroleum hydrocarbon fluid is disclosed. The method includes contacting the petroleum hydrocarbon fluid with a polybenzoxazine comprising repeating structural units of Formula (I) wherein R1 is h...
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WO/2021/207758A1 |
Control strategy and algorithms to be utilized in a programmable logic control for automating injection rates of corrosion inhibitor and scaling inhibitor in a process plant. The logic control system can be programmed on a Distributed Co...
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WO/2021/199439A1 |
Provided is a novel method enabling an efficient prevention of heat exchanger fouling in an oil process. In one embodiment, the invention relates to a method for preventing heat exchanger fouling in an oil process. The fouling prevention...
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WO/2021/188406A1 |
Methods for operating a hydroprocessing reactor and preventing corrosion in a hydroprocessing unit are provided. The hydroprocessing reactor includes surfaces exposed to corrosive compounds. In one aspect, a graphene-based coating is app...
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