Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 8,897

Document Document Title
WO/2019/055449A1
A composition comprising a supported hydrogenation catalyst comprising palladium and a support, wherein the supported hydrogenation catalyst is capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarb...  
WO/2019/053122A1
The invention relates to a method for producing ethylene, in which a process gas is formed using a dehydrogenation of ethane and contains at least ethane, ethylene and compounds having a lower boiling point than ethane and ethylene, and ...  
WO/2019/051744A1
Disclosed is a method for preparing a coal-based activated charcoal complex adsorbent, the method comprising the following steps: adding 10-20 parts of coal-based activated charcoal to 50-60 parts of distilled water, stirring same in a w...  
WO/2018/144740A8
A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium ...  
WO/2019/043249A1
The present invention relates to a hybrid process for producing high-purity para-xylene from a feedstock of fractions of aromatic hydrocarbon isomers containing 8 carbon atoms, in liquid phase, comprising: a) a step of simulated counterc...  
WO/2019/046073A1
A process for separating xylene from a feedstock in which the feedstock is separated into a xylene stream, a benzene rich stream and a light ends stream. Two separation zones may be utilized in which liquid from both is sent to a compres...  
WO/2019/046072A1
A process for separating xylenes from a feedstock in which the feedstock is separated into a xylene stream, a benzene rich stream and a light ends stream. Two separation zones may be utilized in which liquid from the first zone sent to a...  
WO/2019/044914A1
The present invention addresses the problem of providing a drug solution purification method with which it is possible to obtain a drug solution exhibiting excellent impairment suppression performance. The present invention also addresse...  
WO/2019/046092A1
Processes for reforming and transalkylating hydrocarbons are disclosed. A method for processing a hydrocarbon stream includes the steps of separating para-xylene from a first mixed-xylene and ethylbenzene-containing stream to produce a f...  
WO/2019/037317A1
The present invention discloses a method for separating a carbon tetraolefin mixture. The method uses an ion-hybridized porous material as a separation material and brings a specific separation medium into contact with a carbon tetraolef...  
WO/2019/040305A1
A method of separating impurities from a natural gas stream. CO2 and H2S are separated from the natural gas stream in a membrane separation system, thereby creating a partially -treated gas stream and a permeate gas stream, both of which...  
WO/2019/036698A1
The present disclosure, in general, relates to portable/transportable apparatuses, methods, and systems for generating and delivering sulfur trioxide on-site or near an item to be treated. The present disclosure also relates to portable/...  
WO/2019/032804A1
In some embodiments, the present disclosure pertains to a method for capturing alkenes that includes: associating the alkenes with metal-organic frameworks, where the metal-organic frameworks includes one or more metals and one or more l...  
WO/2019/020756A1
Proposed is a process (100) for producing olefins in which one or more matter-converting processes are used to produce a gas mixture which contains at least methane, ethane, ethylene, carbon monoxide and hydrogen and also aromatic compou...  
WO/2019/016710A1
Systems and methods for producing propylene using an MTBE synthesis raffinate are disclosed. An MTBE synthesis raffinate stream first passes through a molecular sieve to separate n-butane and isobutane from the rest of C4 hydrocarbons of...  
WO/2019/012405A1
The invention relates to a formulation for the diluting and dispersing of oily residues for the recovery of crude oil in processes for producing petroleum, comprising surfactant elements, as well as the process for recovering crude oil u...  
WO/2019/007781A1
The invention relates to a method for separating C4 hydrocarbons by extractive distillation, wherein the C4 hydrocarbons are subjected to a two-stage separation, comprising (i) fractionation of the C4 hydrocarbons into a light fraction a...  
WO/2019/008849A1
Provided are: a method for producing a purified aromatic hydrocarbon, the method being capable of stably producing the purified aromatic hydrocarbon having a low sulfur content; and a purified aromatic hydrocarbon or the like having a lo...  
WO/2019/008151A1
The invention relates to a method (100) for separating a starting mixture which largely contains hydrogen, methane, and hydrocarbons with two or two and more carbon atoms, wherein at least one part of the starting mixture is cooled, ther...  
WO/2019/009647A1
According to one embodiment of the present invention, a diffusion plate for a purification tower comprises: a supporting plate; at least one first fluid pipe positioned by penetrating the supporting plate; and a plurality of second fluid...  
WO/2019/002938A2
A scavenging composition and method for scavenging hydrogen sulfide and/or mercaptans from fluids. The scavenging composition comprises an alkali metal nitrite and a nitrogen-containing scavenger, and optionally an inorganic base, as a h...  
WO/2019/005274A1
Disclosed are processes for abating 3-cyclohexenone from a feed mixture comprising cyclohexylbenzene, cyclohexanone, phenol, and 3-cylclohexenone and cyclohexanone, comprising feeding the feed mixture to a first distillation column and a...  
WO/2019/005787A1
Processes for removal of heavy aromatic compounds in an alkylated aromatic compounds production complex is disclosed. The processes includes separating a first component from a second component comprising introducing a feed stream compri...  
WO/2019/005276A1
Disclosed are processes for making cyclohexanone from a feed mixture comprising cyclohexylbenzene, cyclohexanone, phenol, 3-cylclohexenone and optionally 2-cyclohexenone, comprising feeding the feed mixture to a first distillation column...  
WO/2019/005768A1
The present invention relates to a process and apparatus for reducing the desorbent recovery cost in a light desorbent system. More specifically, the present invention relates to an alternate flow scheme that for pre-fractionation of the...  
WO/2018/234158A1
The invention relates to a method for producing butadiene from n-butenes, having the steps of: A) providing an n-butene-containing feed gas stream a; B) feeding the n-butene-containing feed gas stream a and an oxygen-containing gas into ...  
WO/2018/230844A1
The present invention provides a fouling prevention method and a method for olefin oligomerization, wherein in the method for olefin oligomerization, a predetermined anti-fouling agent is added, thereby minimizing the production of stick...  
WO/2018/226911A1
Optimized, heat-integrated methods and systems are provided to produce multiple, high-value products from oil shale, while minimizing overall energy and water usage. A method for producing multiple products from oil shale comprises: feed...  
WO/2018/226466A1
The invention provides a high permeance and high selectivity facilitated transport membrane comprising a very small pore, nanoporous polyethersulfone (PES)/polyvinylpyrrolidone (PVP) blend support membrane, a hydrophilic polymer inside t...  
WO/2018/225908A1
The present invention provides an ethylene separation process in which a preexisting deethanizer column is provided at the upper end thereof with an additional deethanizer column and an acetylene converter from which an ethylene stream w...  
WO/2018/222527A1
A process and an apparatus are disclosed for a compact processing assembly to improve the recovery of C2 (or C3) and heavier hydrocarbon components from a hydrocarbon gas stream. The preferred method of separating a hydrocarbon gas strea...  
WO/2018/222526A1
A process and an apparatus are disclosed for a compact processing assembly to improve the recovery of C2 (or C3) and heavier hydrocarbon components from a hydrocarbon gas stream. The preferred method of separating a hydrocarbon gas strea...  
WO/2018/221785A1
The present invention relates to a method for collecting a hard olefin, the method being capable of: achieving the increase in production of propylene and the improvement of processing unit requirement through the input of steam into a 5...  
WO/2018/219996A1
Process for preparing butadiene from n-butenes comprising the steps: A) provision of an input gas stream a1 containing n-butenes, B) introduction of the input gas stream a1 containing n-butenes, a gas containing oxygen and a cycle gas st...  
WO/2018/217327A1
Methods for the production of para-xylene include flowing a xylenes-containing stream comprising PX, meta-xylene (MX), and ortho-xylene (OX), to a first crystallization stage. In addition, the methods include lowering a temperature of th...  
WO/2018/217337A1
Systems and methods are provided for integration of an aromatic formation process for converting non-aromatic hydrocarbon to an aromatic product and subsequent methylating of a portion of the aromatic product to produce a methylated prod...  
WO/2018/217924A1
The present disclosure provides methods and systems for producing an olefin, such as ethylene and propylene. A method for producing an olefin can comprise injecting an oxidizing agent and methane into an oxidative coupling of methane (OC...  
WO/2018/212812A1
The present disclosure relates to processes for improved yields of propylene via metathesis, primarily from the conversion of C4 and C5 + olefins obtained from steam or fluid catalytic cracking of hydrocarbons. In particular, the present...  
WO/2018/213121A1
A co-cast thin film composite flat sheet membrane is provided that comprises an asymmetric porous non-selective support layer with a thickness of 10-50 micrometers and an asymmetric integrally skinned polyimide-containing selective layer...  
WO/2018/211036A1
The invention relates to a method which comprises injecting a residual current (28) into a flash vessel (30) so as to form an overhead gaseous stream (32) and a bottoms liquid stream (34) and injecting the bottoms stream (34) into a dist...  
WO/2018/206417A1
The invention relates to an improved adsorbent for separating para-xylene from a mixture of xylene isomers, characterised in that the adsorbent contains a barium-containing zeolite of the faujasite type, at least 4.0% of the exchangeable...  
WO/2018/208163A1
The present invention concerns a process and system for producing and isolating a fraction of monocyclic aromatic compounds from a gasification gas. The process comprises (a) contacting the gas with a catalyst capable of converting ethyl...  
WO/2018/209362A1
Silver ionomers of fluorinated polymers are useful for separating alkenes from other compounds such as nitrogen, oxygen, carbon dioxide, and methane. In many instances the selectivities between the alkenes and other compounds are very hi...  
WO/2018/207038A1
Methods for the selective hydrogenation of acetylenic compounds in a product stream that includes isoprene. A method of selectively hydrogenating an acetylenic hydrocarbon in the presence of isoprene may include obtaining a hydrocarbon m...  
WO/2018/198072A1
Processes to selectively crack alkyne compounds from a hydrocarbon stream including olefinic and di-olefinic compounds are described. The process includes contacting the hydrocarbon stream with a supported CuO catalyst under conditions s...  
WO/2018/200694A1
A method for separating CO2 from C2 to C5 alkanes includes introducing a first stream including C2 to C5 alkanes and CO2 into a first separation zone, the first separation zone including a hydrocarbon solvent, and separating the first st...  
WO/2018/195037A1
Processes and apparatuses for producing para-xylenes are provided. The processes comprises providing a hydrocarbon stream comprising C7+ hydrocarbons. The hydrocarbon stream is separated to provide a C8 aromatics stream and an ortho-xyle...  
WO/2018/189097A1
The present invention relates to a process for oxidative coupling of methane (OCM), comprising the steps of: (a) contacting, in a reactor, oxygen and methane with an OCM catalyst, resulting in a reactor effluent comprising ethylene, etha...  
WO/2018/185629A1
A process for producing natural gasoline. The process includes increasing the n-pentane concentration of debutanized natural gasoline. The process may include a first concentration process that includes distillation and a second concentr...  
WO/2018/185310A1
The invention relates to a method (100, 200) for obtaining one or more olefins, wherein a gas mixture which contains hydrogen, methane, carbon monoxide, and hydrocarbons which boil at a higher temperature than methane is formed using an ...  

Matches 1 - 50 out of 8,897