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Matches 1 - 50 out of 2,071

Document Document Title
WO/2019/099247A1
Systems and methods are provided for producing high quality synthesis gas from a fiuidized coking system that includes an integrated gasifier. Additionally or alternately, systems and methods are provided for integrating a fluidized coki...  
WO/2019/026044A8
A urea production process comprises a step of synthesis of urea by reaction of ammonia and carbon dioxide, where at least part of the carbon dioxide for the urea reaction synthesis is produced in an oxy-combustion process; the oxy-combus...  
WO/2019/091975A1
The present invention relates to a method for the synthesis of cyclic depsipeptides, in particular emodepside, from the open form.  
WO/2019/093891A1
Processes and plants for the production of purified urea solution are described. In a described urea production process, urea is produced in a synthesis section without a high pressure stripper and the urea solution is subjected to purif...  
WO/2019/082121A1
An apparatus (20) for treatment of process vapours coming from a vacuum concentration section (10) of a urea plant, comprising a vacuum system (11) having a plurality of successive condensation stages (30), connected in series by respect...  
WO/2019/083367A1
Described are a high pressure carbamate condenser, urea plant, and urea production process. The high pressure carbamate condenser as described is of the shell-and-tube heat exchanger type with a tube bundle and has a redistribution chamb...  
WO/2019/073484A1
The present invention provides a method for fixing carbon dioxide gas as a carbonyl compound represented by formula (3) as depicted by Figure 1 and comprising, purging of carbon dioxide in a solution of a nucleophile represented by the f...  
WO/2019/075281A1
A composition for use in brine formation comprising a deliquescent desiccant, urea, and an optional component selected from the group consisting of starch, citric acid, clay, glucose, and a combination thereof. Methods of making and usin...  
WO/2019/071175A1
The invention is directed to kits, compositions, tools and methods comprising a cyclic industrial process to form biocement. In particular, the invention is directed to materials and methods for decomposing calcium carbonate into calcium...  
WO/2019/071172A1
The invention is directed to kits, compositions, tools and methods comprising a cyclic industrial process to form biocement. In particular, the invention is directed to materials and methods for decomposing calcium carbonate into calcium...  
WO/2019/041961A1
Provided are a transparent nucleating agent, a preparation method therefor and the use thereof, wherein the transparent nucleating agent comprises a compound represented by formula (1) and a derivative thereof; the method comprises: brin...  
WO/2019/026044A1
A urea production process comprises a step of synthesis of urea by reaction of ammonia and carbon dioxide, where at least part of the carbon dioxide for the urea reaction synthesis is produced in an oxy-combustion process; the oxy-combus...  
WO/2019/013639A1
The invention pertains to a finishing process for urea-comprising material, a plant for finishing urea-comprising material, a method of modifying an existing plant, and a use. Methods are disclosed for preventing the clogging of the cond...  
WO/2018/219309A1
The present invention relates to a vinylarene derivative which modulates or inhibits the enzymatic activity of indoleamine 2,3-dioxygenase 1 (IDO-1), and the use thereof, and further relates to a vinylarene derivative and the use thereof...  
WO/2018/211953A1
The purpose of the present invention is to provide a method for safely and efficiently producing a fluorinated carbonate derivative. This fluorinated carbonate derivative production method is characterized by emitting light in the presen...  
WO/2018/202619A1
Plant for the synthesis of urea comprising:a synthesis section (101), wherein ammonia (1) and carbon dioxide (2) react to give an aqueous solution (3) containing urea and ammonium carbamate; at least one recovery section fed with said de...  
WO/2018/197281A1
The invention relates to a method for removing gaseous chemical compounds from a waste gas, wherein at least one gaseous chemical compound is converted into an aqueous liquid phase by a reaction with a scrubbing solution (22), wherein a ...  
WO/2018/197282A1
The present invention relates to a device (1) for removing a gaseous chemical compound from a waste gas, wherein the gaseous chemical compound can be converted into an aqueous liquid phase by means of a reaction with a scrubbing solution...  
WO/2018/197991A1
Urea-aldehyde condensation compositions, processes for preparing the same, and the use of said compositions are disclosed. The compositions can have a nitrogen content that is 100% water soluble and can be used as a fertilizer.  
WO/2018/197279A1
The present invention proposes an apparatus for waste gas scrubbing, more particularly in a urea plant, wherein the apparatus is designed such that, along a transport direction in the channel, a waste gas passes through - a first region ...  
WO/2018/189598A1
Systems and methods for integrated glycerol carbonate and/or urea production. This disclosure pertains to development of a process for production of glycerol carbonate and/or urea from ammonia, carbon dioxide and glycerol. The process in...  
WO/2018/185459A1
A process for the production of formaldehyde-stabilised urea is described comprising the steps of: (a) generating a synthesis gas; (b) subjecting the synthesis gas to one or more stages of water-gas shift in one or more water-gas shift r...  
WO/2018/168573A1
When recovering and utilizing the urea and NH3 contained in a gas that contains urea dust and NH3 and has been discharged from a urea granulation step, an aqueous urea solution to be fed to the urea granulation step is prevented from suf...  
WO/2018/166873A1
Process for the co-production of methanol and ammonia together with urea production from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive ...  
WO/2018/162594A1
A process for producing UREA, said process comprising the steps of: - purification of a hydrocarbon feed gas removing Sulphur and/or chloride components if present, - reforming the hydrocarbon feed gas in a reforming step where the steam...  
WO/2018/158126A1
The invention relates to a method for cleaning the exhaust air of a granulating system for producing a urea-containing granulate. A gas flow which contains a urea-containing dust and ammonia is brought into contact with a sulfuric acid s...  
WO/2018/154560A1
The invention provides aqueous hydrohalide liquid compositions containing more than 50% hydrohalide and less than 8% water. A method is provided for preparing a composition containing up to 95% urea hydrobromide, which is liquid at ambie...  
WO/2018/153630A1
A process and system for removing ammonia from ammonia-containing purge gas of a urea plant, the process comprising: contacting said ammonia- containing purge gas with carbon dioxide at a low temperature, reaction of ammonia to form crys...  
WO/2018/143492A1
The present invention relates to an aminobenzaldehyde derivative and an amino acid chiral extractant comprising the same, wherein the amino acid chiral extractant can allow amino acids in an aqueous solution to be extracted with high chi...  
WO/2018/122379A1
The present invention provides a method for processing a gas stream comprising urea dust and ammonia, comprising the steps of: (a) separating said ammonia from said urea dust, (b) converting said urea dust into an aqueous urea solution, ...  
WO/2018/122377A1
The present invention provides a method for recovery of urea dust and ammonia from a gas stream, being a waste air stream from granulation, prilling or product cooling process steps in a urea plant, comprising the steps of: (i) contactin...  
WO/2018/091158A1
Integrated process for the production of urea and urea-ammonium nitrate, comprising: reacting ammonia and carbon dioxide to form a reaction mixture (4) containing urea and unconverted materials, and also comprising the recovery of unconv...  
WO/2018/091410A1
The invention relates to a method for producing ammonia and urea in a common facility or alternatively (according to requirement) only producing ammonia in said facility, in which a raw synthesis gas flow containing at least the gases hy...  
WO/2018/092057A1
An integrated process for production of urea and UAS comprises: a urea synthesis step carried out in a urea synthesis reactor (4); a recovery and concentration step, wherein a urea solution produced in the urea synthesis step is progress...  
WO/2018/087415A1
The invention relates to a method for obtaining polymers bearing isocyanate groups from amino polymers, with both aromatic and aliphatic amines, in a simple manner and under mild conditions. The polymers bearing isocyanate groups can be ...  
WO/2018/078318A1
An integrated process for the production of a formaldehyde-stabilised urea is described comprising the steps of: (a) generating a synthesis gas comprising hydrogen, nitrogen, carbon monoxide, carbon dioxide and steam in a synthesis gas g...  
WO/2018/078661A1
A raw syngas coming from HT gasification of organic wastes, once cooled in a proper heat recovery boiler or in a quencher is treated in a scrubbing section where, by adding an acidic solution followed by alkaline solution and by a WESP, ...  
WO/2018/080007A1
The present invention relates to a preparation method for removing triuret causing turbidity in urea water and to urea water prepared thereby and, more specifically, to a preparation method wherein urea is introduced to de-ionized water ...  
WO/2018/051313A1
A system (2) for analysis of vent gas of a urea plant (1), comprising: a Raman spectroscope (22); a sampling conduit (24) that connects the spectroscope (22) to a main pipe (20) of the urea plant (1) for conveying a sample stream (25) to...  
WO/2018/045229A1
The invention relates to substituted ureas, and compositions comprising the same, which in certain embodiments are useful for treating and/or preventing pain in a subject in need thereof.  
WO/2018/011327A1
The invention relates to a method for producing an NOx reductant AUS 32 solution (diesel exhaust fluid) comprising at least the mixing of water and a particulate composition containing (i) urea; and an additive comprising component (ii):...  
WO/2017/202629A1
The invention relates to a method (100) in which a high-oxygen substance flow (b) is formed under the incorporation of an air separating process (10), and said high-oxygen substance flow (b) is subjected to an oxidative methane coupling ...  
WO/2017/204464A1
The present invention relates to a high-purity urea water manufacturing apparatus having a full discharge type solid-liquid mixing piping system for ships and industrial purposes and to a high-purity urea water manufacturing method using...  
WO/2017/202993A1
The invention relates to a method (100) in which a high-oxygen substance flow (b) is formed under the incorporation of an air separating process (10), and said high-oxygen substance flow (b) is subjected to an oxidative methane coupling ...  
WO/2017/196167A1
Disclosed are methods and systems for removing submicron particles from a gas stream, in particular from urea prilling off-gas, wherein a Venturi ejector is used. A method comprises contacting a gas stream containing submicron particles ...  
WO/2017/192031A1
Disclosed is a novel method of controlling the formation of biuret in urea production, and particularly reducing, preventing or reversing such formation. This is accomplished by adding liquid ammonia to a urea aqueous stream. This additi...  
WO/2017/192032A1
Disclosed is a novel method of controlling the formation of biuret in urea production. This is accomplished by reducing or preventing the formation of biuret in a concentration section, particularly in one or more concentrators or evapor...  
WO/2017/178910A1
The present invention relates to an improved process for preparation of carmustine (I). The present invention also relates to preparation of 1,3-bis(2-chloroethyl)urea (II) an intermediate used in preparation of carmustine.  
WO/2017/171546A1
Disclosed is a urea plant wherein, in deviation from conventional plants, a high-pressure synthesis section is operated with two different pressures. The synthesis section comprises a reactor, which is operated under a first high pressur...  
WO/2017/157561A1
Combined apparatus (1) for the synthesis of urea from ammonia and carbon dioxide, comprising an internal wall (3) which delimits two coaxial zones (4) inside the apparatus, operating respectively as reaction (4) and condensation (5)zones...  

Matches 1 - 50 out of 2,071