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9038413 Separation method and apparatus  
Separation method and apparatus for separating a gaseous mixture, for example, air, in a cryogenic rectification plant in which a compressed stream is divided into subsidiary streams that are...
8997520 Method and device for producing air gases in a gaseous and liquid form with a high flexibility and by cryogenic distillation  
A method of producing at least one air gas using cryogenic distillation is provided. The expanded streams coming from the two turbines are combined and then split into two fractions. The first...
8899075 Air separation method and apparatus  
A method and apparatus for separating air in which an argon refining column of a distillation column system is reboiled with a liquid air stream. The argon refining column further refines crude...
8826692 Method and device for low-temperature air separation  
The invention relates to a method and a device used for the low-temperature separation of air in a distillation column system, comprising at least one high-pressure column (11) and a low-pressure...
8820115 Oxygen production method and apparatus  
A method and apparatus for producing an oxygen product in which air is separated in an installation including air separation units having higher and lower pressure columns. A pumped liquid stream...
8783062 Storage enclosure, method and apparatus for producing carbon monoxide and/or hydrogen by means of cryogenic separation, including one such enclosure  
A storage enclosure and an apparatus and method for producing carbon monoxide and/or hydrogen by means of cryogenic separation, including one such enclosure is provided.
8776546 Air separation process and apparatus using cryogenic distillation  
An air distillation unit comprises an air distillation column (10) suitable for producing a nominal flow of gaseous nitrogen, the top of said column being connected to a liquid nitrogen source...
8769985 Low temperature air separation process for producing pressurized gaseous product  
A compressed air stream is cooled in an exchanger to form a compressed cooled air stream. The stream is then cryogenically compressed in a first compressor to form a first pressurized gas stream....
8713964 Method and device for separating a gas mixture by cryogenic distillation  
The invention relates to a cryogenic distillation apparatus for a gas mixture, including a purification apparatus for purifying a gas mixture in a system with a plurality of adsorbant bottles, a...
8695377 Process and apparatus for the separation of air by cryogenic distillation  
A process for producing a gaseous component of air under pressure by cryogenic separation is provided.
8668768 System for preventing contaminants from reaching a gas purifier  
The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.
8640496 Method and apparatus for separating air  
Air separation method in which air is separated within cryogenic rectification processes conducted in first and second cryogenic air separation plants. The first cryogenic air separation plant is...
8601833 System to cold compress an air stream using natural gas refrigeration  
An air stream is compressed in multiple stages using refrigeration derived from a refrigerant comprising natural gas for inter-stage cooling. The possibility of natural gas leaking into the air...
8549878 Method of generating nitrogen and apparatus for use in the same  
There is provided a method of generating nitrogen which includes cryogenically separating compressed air introduced into a high-pressure column 11, storing liquid air 13 in a bottom portion of the...
8540878 Structured packing module for mass transfer column and process involving same  
A cross-corrugated structure packing module is provided for use in mass transfer or heat exchange columns and has particular applicability in severe service applications in which fouling, coking,...
8528363 Process and apparatus for the separation of air by cryogenic distillation  
In a process for the production of nitrogen and of oxygen enriched liquid by separation of air by cryogenic distillation, a first stream of air is sent to an exchanger to form a first cooled air...
8528362 Cryogenic distillation comprising vacuum insulation panel  
A cryogenic installation unit comprises at least one item of equipment (2, 6A to 6H, 15) to be thermally insulated, a structure (1) for containing the at least one item of equipment, a main...
8484992 Krypton xenon recovery from pipeline oxygen  
A method and apparatus for producing a krypton-xenon-rich stream in which a pipeline oxygen stream is removed from an oxygen pipeline at ambient temperature and then distilled in a cryogenic...
8448463 Cryogenic rectification method  
The present invention provides a method of rectifying an oxygen, nitrogen and argon containing feed stream that employs high and low pressure columns and an argon column. Refrigeration is imparted...
8443625 Krypton and xenon recovery method  
A method of separating air in which a superheated air stream is introduced into a mass transfer contacting zone associated with a higher pressure column of an air separation unit. Krypton and...
8440058 Method for concentrating nitrogen isotope  
Method for concentrating nitrogen isotope to obtain a final product nitrogen, in which the stable nitrogen isotope, 15N, is concentrated, by low-temperature distillation of raw material nitrogen...
8429933 Method for varying liquid production in an air separation plant with use of a variable speed turboexpander  
A method of producing a liquid product stream, for example, a liquid nitrogen product stream, at a production rate that is selectively varied. This variation is produced in either a waste...
8414681 System and method for controlling an air separation unit  
A system includes an air separation unit configured to separate air into an oxygen rich stream and a nitrogen rich stream and a purity control system configured to receive input indicative of a...
8408026 Liquid collector and redistributor for packed columns  
An apparatus for collecting/redistributing a flow of liquid descending in an exchange column containing a layer of packing that includes: a plurality of horizontally spaced longitudinal members,...
8298412 Structured packing module for mass transfer column and process involving same  
A cross-corrugated structure packing module is provided for use in mass transfer or heat exchange columns and has particular applicability in severe service applications in which fouling, coking,...
8286446 Method and apparatus for separating air  
Method and apparatus of separating an oxygen and nitrogen containing feed stream, for example, air, in higher and lower pressure columns. A crude liquid oxygen stream condenses nitrogen vapor in...
8161771 Method and apparatus for separating air  
Method and apparatus of separating a nitrogen from a compressed and purified feed stream in a cryogenic rectification plant that employs a distillation column to produce a nitrogen-rich vapor as a...
8136369 System and apparatus for providing low pressure and low purity oxygen  
A hybrid system which utilizes high purity oxygen from a local pipeline, which is blended with low purity oxygen from an on-site or local cryogenic distillation system, thus resulting in a blend...
8020408 Separation method and apparatus  
Separation method and apparatus for separating a gaseous mixture, for example, air, in a cryogenic rectification plant in which a compressed stream is divided into subsidiary streams that are...
7981195 System for preventing contaminants from reaching a gas purifier  
The present invention is directed to the prevention of an exothermic reaction in the gas purifier of an ultra-high purity gas system.
7954339 Apparatus for cryogenic air distillation  
An apparatus for the cryogenic distillation of air includes an assembled unit that has a first distillation column module within which is provided a cryogenic distillation column; a heat exchange...
7922875 Method and apparatus for enrichment of heavy oxygen isotopes  
A method of enriching a heavy oxygen isotope by distillation of the present invention includes: a first distillation step of feeding oxygen and ozone generated by an ozonizer 12 into a...
7870759 Process and arrangement for the backup supply of a pressurized gas through cryogenic liquid vaporization  
In a process for supplying a pressurized gas, a pressurized gas at a high production pressure is produced as an end product by separating a gaseous mixture in a separator apparatus (3, 5), a...
7828939 Method for concentrating heavy nitrogen isotope  
A method for concentrating effectively the heavy nitrogen isotope 15N to 50 atom % or more in which 14N15N and/or 15N2, which are molecules containing a heavy nitrogen isotope of 15N, are...
7712331 System to increase capacity of LNG-based liquefier in air separation process  
A system is set forth to increase the capacity of an LNG-based liquefier in a cryogenic air separation unit wherein, in a low production mode, the nitrogen that is fed to the LNG-based liquefier...
7632337 Air prepurification for cryogenic air separation  
The present invention relates to cryogenic air separation processes and systems that employ a pressure swing adsorption (PSA) prepurification process. It is advantageous to operate the PSA process...
7621152 Compact cryogenic plant  
A cryogenic plant having at least two direct phase separation devices such as distillation columns whose circular perimeters serve to define the perimeter of the cold box encompassing the direct...
7610775 Distillation process using microchannel technology  
The disclosed invention relates to a distillation process for separating two or more components having different volatilities from a liquid mixture containing the components. The process employs...
7555918 Liquid production modulation in self-refrigerated cryogenic nitrogen gas generators  
The method of adding heat to refrigerated rich liquid that accumulates in a reservoir in a distillation column, to prevent the column from flooding, that includes the steps sensing a rise in rich...
7552599 Air separation process utilizing refrigeration extracted from LNG for production of liquid oxygen  
A cryogenic air separation process is set forth wherein, in order to provide the refrigeration necessary when at least a portion of the oxygen product is desired as liquid oxygen, LNG-derived...
7546748 Process and apparatus for the separation of air by cryogenic distillation  
This disclosure discusses the problems associated with the design, layout, and construction of units and equipment in air separation units. The invention of this disclosure provides a process and...
7516626 Apparatus for the low-temperature separation of a gas mixture, in particular air  
The apparatus is used to produce a product by low-temperature separation of a gas mixture, in particular air. It includes a direct contact cooler (3) for cooling the feed mixture, a purification...
7514056 Process and installation for the fractionation of air into specific gases  
In order to reduce incoming atmospheric carbon dioxide levels in compressed air prior to cryogenic distillation, a water spray cooling tower equipped with biocatalytic packing, or fed with...
7497092 Integrated air compression, cooling, and purification unit and process  
Process and apparatus for optimization of integrated air separation systems. In an integrated process for the compression, cooling, and purification of air, an adiabatic compressor compresses an...
7490484 Integrated process and gas treatment process  
Integrated air separation units with a petrochemical process. This invention provides an integrated process and gas treatment process wherein at least one first pressurized gas derived from a...
7487648 Cryogenic air separation method with temperature controlled condensed feed air  
A method for the cryogenic separation of air having defined temperatures for condensed feed air passed into a double column system relative to liquid oxygen and preferably to shelf vapor, and...
7472551 Cryogenic process system with extended bonnet filter  
A cryogenic process system wherein a solids removal filter positioned in a conduit upstream of process equipment is within a filter housing having an angled bonnet which extends to the outside of...
7421856 Cryogenic air separation with once-through main condenser  
A cryogenic air separation system wherein nitrogen vapor from a higher pressure column and oxygen liquid from a lower pressure column each pass down through a once-through main condenser in heat...
7380414 Method and system for treating an oxygen-rich liquid bath collected at the foot of a cryogenic distillation column  
Methods and apparatus for treating a liquid bath of oxygen. A liquid bath of at least 70 mol % of oxygen is located at the base of a cryogenic distillation column. The bath is continuously boiled...
7340921 Cold box and cryogenic plant including a cold box  
This disclosure discusses providing safer and more accessible insulating cold boxes for cryogenic equipment. A cold box of the current invention includes a housing partially extending out of the...

Matches 1 - 50 out of 423 1 2 3 4 5 6 7 8 9 >