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WO/2000/056441A1 |
A process and apparatus is provided for the removal of contaminants, such as hydrogen sulfide, carbon dioxide and water, out of natural gas (1) is provided. The apparatus comprises a plurality of purifying fluidized beds, each of which c...
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WO/2000/056684A1 |
The present invention relates to economically advantageous methods of forming, processing, transporting and storing fluids, especially natural gas in the form of solid crystalline gas hydrates. It has been found that fluid can be removed...
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WO2000035588B1 |
A method for arranging the raw material, energy and waste management of a production plant manufacturing pulp and/or paper and/or board from recycled fibres, as well as a production plant applying the method, which plant is advantageousl...
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WO/2000/053971A1 |
A method for storing natural gas by adsorption which comprises separating an available natural gas in an infrastructure side (10) into a low carbon number component mainly containing methane and ethane and a high carbon number component ...
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WO/2000/050542A1 |
An environmentally clean dual fuel for an internal combustion engine, comprising acetylene as a primary fuel and a combustible fuel, such as one or more fluids selected from an alcohol such as ethanol, methanol or any other alcohol or al...
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WO/2000/048733A1 |
A method for producing a desulfurizing agent characterized in that it comprises admixing a mixed aqueous solution containing a copper compound and a zinc compound with an alkaline aqueous solution to thereby form a precipitate, calcining...
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WO/2000/042348A1 |
A process is disclosed for producing from a pressurized methane-rich gas stream a pressurized methane-rich liquid stream having a temperature above -112 °C (-170 °F) and having a pressure sufficient for the liquid to be at or below its...
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WO/2000/041966A1 |
The invention is a process to recover a high pressure hydrogen-rich gas stream from a purge gas stream taken from a hydrotreater. This purge gas stream is admixed with synthesis gas that was the original source of the hydrogen to form a ...
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WO/2000/040338A1 |
A nozzle of converging-diverging shape for creating mist flow at supersonic velocity comprising: a throat having a characteristic diameter D*; an inlet having a characteristic diameter D1, positioned a distance L1 upstream of the nozzle ...
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WO/2000/032545A1 |
A composition is provided herein for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate, during the transport of a fluid comprising water and a hydrocarbon, through a conduit...
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WO/2000/023164A2 |
A process is disclosed to remove a high-volatility component, such as nitrogen, from a feed stream rich in methane to produce a product substantially free of the high-volatility component. The feed stream is expanded (53) and fed to a ph...
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WO/2000/023542A1 |
An automotive LPG detergent additive comprising a base carrier fluid and a detergent. Generally, the base carrier fluid includes from about 35% to about 99% of a fraction which has a distillation range from about 130° to 200 °C.
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WO/2000/021911A1 |
The present invention relates to a process for producing methane-rich product gas (SNG, Synthetic Natural Gas). Biomass and/or fossil fuels, together with hydrogen from an external source, are fed to a hydrogasification reactor. The reac...
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WO/2000/016879A1 |
A process for separating natural gas and carbon dioxide from a raw feed stream, such as in carbon dioxide for EOR processes. Separation is by membrane separation at low pressures. By utilizing low pressure separation, highly selective me...
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WO/2000/017484A1 |
Method for dissolving hydrates and ice, for example in wells, pipelines or other processing equipment, or in naturally occurring hydrate reservoirs in the crust of the earth. Hydrates are formed when sufficient amounts of water and a gas...
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WO/2000/014132A1 |
The invention relates to a method for producing copolymers by radical polymerisation of a) 5 to 95 wt. % of a monomer of formula (I), b) 95 to 5 wt. % of a monomer of formula (II), wherein R?1¿ and R?2¿ represent H, C¿1?-C¿3?-alkyl, ...
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WO/2000/011120A1 |
A mixture of acrylic acid and nitrogen compounds is particularly adapted to achieve a sulphur-free odorization of a gas.
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WO/2000/009770A1 |
Process and apparatus for recovering metal material from waste material including organic material, such as plastic, and metal material in the form of thin foil material. The process includes following steps: (a) introducing the waste ma...
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WO/2000/009771A1 |
Process and apparatus for recycling of liquid carton waste material or other similar waste material which includes fibrous material, metal and plastic material. The process including following steps: (a) introducing the waste material an...
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WO/2000/008117A1 |
A method for the removal of carbonyl sulfide from liquefied petroleum is disclosed. Removal of carbonyl sulfide is accomplished by contacting a liquid petroleum gas stream containing carbonyl sulfide as an impurity with a calixarene comp...
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WO/2000/006670A1 |
The invention is the integration of a process of gasifying asphaltenes in a gasification zone by partial oxidation and the process of asphaltene extraction with a solvent. The integration allows low level heat from the gasification react...
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WO/2000/005171A1 |
A process is provided for the removal of hydrogen sulfide out of a gaseous stream (22), such as a natural gas or fuel gas, by contacting the hydrogen sulfide containing gas with a sorbing liquid (26) containing a tertiary amine so that t...
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WO/2000/004112A1 |
The production of naphtha gas from landfill gas is preferably accomplished through a gas purification step, a catalytic conversion of methane gas to hydrogen gas, and a blending step in which various process streams are blended to produc...
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WO/2000/002642A1 |
An inexpensive co-current and counter-current gas dehydration system (10), contactor apparatus (50) and operating method is provided which does not result in a need to clean equipment on a frequent basis. More specifically, there is prov...
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WO/2000/000271A1 |
The invention relates to a method for removing acid gas components from gases, the components being from the group consisting of CO¿2?, H¿2?S, COS, CS¿2? and mercaptans, wherein a crude gas rich in acid gas components is brought into ...
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WO/1999/064137A1 |
A process for removing hydrogen sulfide from a natural gas stream. Use is made of heat and pressure to induce spontaneous combustion of sodium sulfide. The latter is formed by contacting the stream with an alkali earth salt and subsequen...
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WO/1999/061564A1 |
A clean liquefied petroleum gas fuel usable in compression ignition engines as a fuel substituting for diesel oil such as light and heavy oil. The fuel is supplied to the combustion chamber of a compression ignition engine with a compres...
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WO/1999/054024A1 |
The gas to be treated, containing CO¿2? and a certain amount of liquid hydrocarbons greater than 14 litres per 10?6¿ Nm?3¿ of gas, is put in an absorption zone consisting of an aqueous methyldiethanolamine and an activator consisting ...
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WO/1999/051325A2 |
A process for producing carbon dioxide from a gas stream containing same pretreats the incoming raw gas to remove contaminants and particularly to protect degradation of the membranes utilized for separation. The temperatures of the vari...
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WO/1999/042423A1 |
A method and plant for the treatment of an organic waste material in liquid form, e.g. liquid manure from livestock, the method comprising filtering fibres and particles from the liquid, subjecting the liquid to anaerobic fermentation in...
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WO/1999/041340A1 |
The invention concerns a fuel mixture containing acetylene, propane and propylene, such that the ratio Qp/Qa of the proportion (Qp) of propane and propylene to the proportion (Qa) of acetylene is such that: 1.1$m(F)Qp/Qa$m(F)4. Preferabl...
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WO/1999/037740A1 |
Very low sulfur content hydrocarbon gas is achieved by sequentially contacting the gas first with zinc oxide and then with nickel metal. This has reduced the total sulfur content of natural gas feed for a fluid bed syngas generator to le...
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WO/1999/037741A1 |
Sour natural gas is processed to remove the sulfur compounds and recover C¿4+?/C¿5+? hydrocarbons by scrubbing the gas with an amine solution to remove most of the sulfur, followed cooling the gas to remove C¿4+?/C¿5+? hydrocarbons a...
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WO/1999/037736A1 |
A gas conversion process comprising synthesis gas production, hydrocarbon synthesis and hydrogen production from the synthesis gas, also includes hydrodesulfurizing sulfur-containing hydrocarbon liquids separated from a mixture of natura...
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WO/1999/028014A1 |
The invention concerns a method for dehydrating a gas contained in water using a hydrophilic liquid dessicant, with regeneration of said liquid dessicant, characterised in that it comprises: (a) a step for absorbing water by contact betw...
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WO/1999/024531A1 |
Hydrogen sulfide is removed from gas streams by reaction with sulfur dioxide to produce sulfur. The reaction is effected in a reaction medium comprising a non-aqueous Lewis base with a pK¿b? value of about 6 to about 11. The reaction me...
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WO/1999/024530A1 |
An apparatus for decomposing waste plastics, capable of minimizing the occurrence of carbon during a decomposition reaction by enabling a gasified component, which is produced from a liquid phase polymer, to be separated speedily and eff...
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WO/1999/020716A1 |
The present invention pertains to the fuel industry and more precisely relates to a hydrogen-containing fuel that also comprises up to 50 vol.% of carbon oxide. This fuel can be used in various types of power-generating systems or engine...
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WO/1999/020720A1 |
A liquid hydrocarbon composition, containing paraffinic hydrocarbon components in which the extent of branching, as measured by the percentage of methyl hydrogens (BI), and the proximity of branching, as measured by the percentage of rec...
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WO/1999/019662A1 |
A gas hydrate storage reservoir (10) includes at least one insulated wall (12) defining an opening and a sunlight permeable top (16) covering the opening. A gas tight, gas hydrate storage cavity (20) is defined within the top and the wal...
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WO/1999/019283A1 |
A method and apparatus for liberating gas from gas hydrates including the use of a device, provided adjacent to or in the bulk gas hydrates (12), for exposing the gas hydrates to heat from a gas or liquid (preferably steam). The gas hydr...
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WO/1999/019282A1 |
Gas hydrates are produced by introducing a hydrate-forming gas and water into a reactor vessel (12) having a fluidized or expanded bed reaction zone. The reactor vessel has an upper portion (14) and lower portion (16) wherein the cross-s...
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WO/1999/019539A2 |
Corrosion in aqueous alkanolamine, physical solvents, or combination of alkanolamine and physical solvent solutions used to remove acid gases from natural gas, synthetic gas, or light hydrocarbon streams can be reduced by addition of mix...
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WO/1999/018174A1 |
A combustible gaseous ethylene mixture composition for the gas pressure welding of steel materials, which is less expensive than acetylene gas, has an excellent safety, and comprises 100 parts by weight of ethylene and 0.1 to 30 parts by...
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WO/1999/015460A1 |
A process for purifying a gas stream containing hydrogen and carbon monoxide consisting of one or more catalysed reactions for the selective removal of carbon monoxide from the gas stream wherein a controlled amount of liquid water is in...
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WO/1999/012847A1 |
This invention is an integrated process which removes acidic gases such as hydrogen sulfide, carbonyl sulfide and carbon dioxide from raw synthesis gas (4). The hydrogen sulfide and carbonyl sulfide is concentrated and separately recover...
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WO/1999/013197A1 |
A method is disclosed for inhibiting the plugging of a conduit for the transport of hydrocarbon fluids by gas hydrates, wherein use is made of a hydrate formation inhibitor component of formula (I): (R¿1?) (R¿2?) (R¿3?) (R¿4?) A?+¿Y...
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WO/1999/010448A1 |
The corrosion of metals in contact with an aqueous alkanolamine solution in an acid gas removal unit is inhibited by adding a corrosion inhibiting amount of an alkanemonothiol or alkanedithiol compound to the aqueous alkanolamine solutio...
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WO/1999/010445A1 |
The corrosion of metals in contact with aqueous alkanolamine solution in acid gas removal units is inhibited by maintaining in the alkanolamine solution a corrosion inhibiting amount of a thiodialkanol. The thiodialkanol is useful for in...
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WO/1999/001706A1 |
This invention is a process for producing pressurized liquid (19) rich in methane from a multi-component feed stream (10) containing methane and a freezable component having a relative volatility less than that of methane. The multi-comp...
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