| Document |
Document Title |
|
WO/1995/001217A1 |
A process is disclosed for separately removing sulphur compounds and CO2 from gasses. The sulphur content of the gas, which is present as hydrogen sulphide, is catalytically removed down to 3,000 ppm, preferably down to 1,500 ppm and in ...
|
|
WO/1994/029004A1 |
The invention concerns a method of removing HCN from gas mixtures containing at least HCN and sulphur compounds, in particular gas mixtures obtained from the partial oxidation of hydrocarbons, by catalytic decomposition of the HCN. The i...
|
|
WO/1994/025142A1 |
A process for substantially removing the metal carbonyl content of a gas stream, such as a stream of synthesis gas, by contacting the gas stream with lead oxide, PbO, dispersed upon a support.
|
|
WO/1994/022563A1 |
The invention relates to a process for removing volatile metals from a synthesis gas stream by (a) contacting in a contacting zone a synthesis gas stream containing zinc, lead, mercury, and cadmium with a polysulfide-containing solution ...
|
|
WO/1994/016039A1 |
In a process for cooling a dust-laden raw gas from the gasification of a solid carbon-containing fuel in a pressurised reactor, in which the gas from the reactor is introduced into a quench section to which is applied a quenching medium ...
|
|
WO/1994/011085A1 |
The present invention relates to an improved partial oxidation, gasification process using low grade hydrocarbon feedstock involving the steps of gasification, waste heat recovery and carbon removal under formation of a soot water slurry...
|
|
WO/1994/010496A1 |
The apparatus comprises a frame (20) having a die (12) pivotally connected to it at one end and anchorage means (26) pivotally connected to it at the other end. The anchorage means carries a first roller (28). A second roller (30) is adj...
|
|
WO/1994/010266A1 |
A process and arrangement are disclosed for scrubbing fuel gas (G), in particular low-temperature carbonisation gas (SG). The gas (G) is washed and carried away as pure gas (R). Condensate (U) is carried away. The condensate (U) is disti...
|
|
WO/1994/009523A1 |
A method and apparatus for selectively oxidizing the carbon monoxide present in a mixture of gases, including hydrogen, to carbon dioxide is disclosed. Oxygen or an oxygen-containing gas mixture is introduced at locations along the latte...
|
|
WO/1994/004248A1 |
Filter assemblies, such as ceramic or super alloy filter tubes, for combustible gases laden with particles, are safely cleaned by providing a back pressure pulse of a clean combustible gas. The clean combustible gas, such as methane, eth...
|
|
WO/1994/001203A1 |
The invention relates to a process for removing carbon dioxide regeneratively from a hot gas stream, containing flue gases or fuel gases, wherein the gas stream is successively: a) used for heating (1) and/or desorbing (2) a solid absorb...
|
|
WO/1993/023502A1 |
The present invention relates to a device for thermal decomposition of stock, especially a spent liquor obtained from pulp manufacture, where the gas stream formed in this connection passes through a liquid bath, which device comprises a...
|
|
WO/1993/023501A1 |
The present invention relates to a device for thermal decomposition of stock, especially a spent liquor obtained from pulp manufacture, where the gas stream formed in this connection passes through a liquid bath, which device comprises a...
|
|
WO/1993/019005A1 |
The concentration of carbon monoxide in a gaseous medium is reduced by selective catalytic oxidation in the presence of gaseous oxygen by passing the gaseous medium through a quantity of a catalyst capable of oxidizing carbon monoxide in...
|
|
WO/1993/015823A1 |
A method of separating high-purity carbon monoxide from a gas mixture by using a novel absorbent containing a complex composed of cuprous chloride and m-toluidine and a glycol ether solvent. The absorbent is so stable against water that ...
|
|
WO/1993/013184A1 |
The invention relates to a process for the treatment of synthesis gas or fuel gas obtained by coal gasification, residue gasification, waste gasification or oil gasification, in which the gas stream obtained by gasification, which contai...
|
|
WO/1993/012205A1 |
In order to enrich natural gas or other hydrocarbon gases with hydrogen, thus reducing the carbon content and thereby achieving a reduction or elimination of the discharge of carbon dioxide during combustion of the gases, a pyrolytic pro...
|
|
WO/1992/004102A1 |
For the selective desulphurization of gases, the invention makes use a physically acting scrubbing agent whose basic structure is a heterocycle with five or more ring atoms which include two hetero-atoms, one of which is nitrogen and the...
|
|
WO/1991/016406A1 |
The invention concerns a process for precooling coke-oven gas and for desorbing coking water, e.g. washing waters and condensates, using hot coke-oven gas. The invention calls for (a) the raw gas cooled in the condenser directly to about...
|
|
WO/1991/009801A1 |
The pourable solid material piled on an intermediate storage area (10) is delivered via a delivery rack (14) stretching across the space above the intermediate storage area and beneath at least one outlet aperture (6) and conveying the m...
|
|
WO/1991/010053A1 |
Method and apparatus for treating gases issuing from a pressurized gasification or combustion plant of solid fuel prior to leading the gases into a turbine. The hot gases are first cleaned in a particle separator, whereafter they are int...
|
|
WO/1991/004096A1 |
A regenerable molecular sieve comprises 0.001 - 15 % elemental silver or gold in or on zeolite A. The molecular sieve is capable of simultaneously removing mercury and water from a fluid. A method for impregnating zeolite A with elementa...
|
|
WO/1991/001947A1 |
The invention concerns a device and a method for removing nitrogen compounds from an aqueous liquid containing nitrogen oxides (NOx) and/or nitrates (NO3). It comprises an electrochemical cell (10) with a cathode and an anode and a curre...
|
|
WO/1990/014876A1 |
The removal of sulphides from gas streams while using a solid absorbent containing tin, tin oxides or mixtures thereof and optionally a stabilizing component consisting of nickel, copper, cobalt, iron or oxides thereof takes place by con...
|
|
WO/1990/011815A1 |
A reactor module (1) with a fluidised bed (7) of fluid material, with a gas inlet (18) and a gas outlet (19) for a gaseous medium flowing through the fluidised bed (7) permits the production of any reactor sizes without special design me...
|
|
WO/1989/012495A1 |
Desulphurization of coke oven gas in an H2S washer (1) or an NH3 washer (51), the crude gas having the same degree of purification, is operationally considerably more economical and the NH3 vapours are much better suited for further proc...
|
|
WO/1989/011327A1 |
Liquid absorbing acid gas compounds presenting an improved CO2 absorption capacity, said absorbing liquid containing one or a plurality of tertiary alkanolamines and a CO2 absorption activator. The activator is comprised of at least one ...
|
|
WO/1989/011326A1 |
The gas to be treated (8) is cooled (46, 2a) to a temperature below the dew point of the water it contains to produce a current of condensed water (7) and a cold gas (5a) free of water. The gas is washed (3) by means of an absorbent liqu...
|
|
WO/1989/007636A1 |
In a process for treating coal pyrolysis effluent, the effluent is filtered (6, 10), distilled (13) and separated by reverse osmosis (20, 21, 22) into a permeate of low salt concentration which can be recycled to the coking process and a...
|
|
WO/1989/007485A1 |
Device for separating components present in gas, in particular heavy metals and sulphur dioxide, and for removing dust from solids-laden gaseous media, in particular from cold and hot processing and combustion gases, by means of a filter...
|
|
WO/1989/004210A1 |
A catalyst for decomposing ammonia to be used in a process for decomposing ammonia recovered from a coke oven gas into hydrogen and nitrogen by a combination of an ammonia-catalyzed combustion process and a catalytic decomposition proces...
|
|
WO/1989/002909A1 |
The invention relates to a process for the refining of a raw gas produced from a cabonaceous material by means of a gasification process, refining taking place in a secondary stage separated from the gasifier. In order to reduce the gas ...
|
|
WO/1988/008741A1 |
A method of treating process gases by cooling the process gas in the reactor so as to bring the process gas into contact with fluidized solid particles which are separated from the process gas after treating and mainly recirculated back ...
|
|
WO/1988/006487A1 |
A process for the reduction of nitrogen oxides in an effluent from the combustion of a carbonaceous fuel while minimizing the production of other pollutants is presented. The process comprises introducing a nitrogen oxides reducing treat...
|
|
WO/1988/000085A1 |
Method for deacidifying a gas, particularly natural gas, containing H2S and/or CO2 as well as mercaptans, wherein the gas is brought in contact with a primary absorption zone (3) with a generatable absorbing liquid, a purified gas is eva...
|
|
WO/1987/007181A1 |
The device for filtering gases comprises a perforated plate (1) which devides a receptacle into two parts, from which plate filter elements (3) are suspending by an annular flange arranged on their upper edge, whereby the gas to be filte...
|
|
WO/1987/006493A1 |
Nitrogen is removed from flue gases by absorbing nitric oxides in an aquous solution of a metallic compound, in particular an iron(II)-ethylene-diamine t�traacetate compound. Nitric oxides are absorbed in the absorption column (12) by ...
|
|
WO/1987/006491A1 |
Process for dephenolating waste water from coking plants including the following steps: introducing the waste water in a reverse osmosis installation, mixing the concentrate coming out of the reverse osmosis installation with the tar pro...
|
|
WO/1987/002696A1 |
According to the disclosed method, the ammonia is removed from a gas effluent of the washing treatment by means of a liquid which is essentially comprised of water, the washing liquid is then regenerated by backflow distillation of the g...
|
|
WO/1987/001687A1 |
A process for removing volatile contents such as ammonia, hydrogen sulfide and prussic acid from waste liquids produced in coking plants, by using a gas in a stripper, in which the stripping gas used is the gas discharged from an ammonia...
|
|
WO/1986/006649A1 |
Regenerative process for removing mercaptans contained in a gas by means of an absorbing agent based on at least one metal oxide capable of chemically fixing the mercaptans and comprising an absorption step (1a) to fix the mercaptans on ...
|
|
WO/1986/003426A1 |
Process for eliminating COS and CS2 compounds contained in an industrial gas, wherein said gas containing an appropriate quantity of water vapour is contacted with a titanium oxide catalyst arranged in a high temperature reaction zone. T...
|
|
WO/1986/002576A1 |
In order to remove from hot gases hydrogen sulphide in the temperature range between 400-1000oC, metallic tin- and/or lead-containing pellets are used which contain pure lead or tin- and/or lead-compounds which can be converted thereinto...
|
|
WO/1986/001822A1 |
Gases containing tar and other condensable components are cleaned by cooling them in a circulating fluidized bed reactor (2) provided with cooling surfaces (8). Into the fluidized bed reactor are led solids separated from the cooled gas ...
|
|
WO/1986/000920A1 |
In a process for the removal of volatile contents from the water produced during coal upgrading process, gas is heated in a direct heat exchanger (9), saturated with steam and then used in order to drive out the volatile substances in a ...
|
|
WO/1986/000332A1 |
In order to separate water obtained in a coking process into a small fraction with a high salt content and into a large fraction with a low salt content, raw gas is cooled in a receiver and is conducted through an electric filter before ...
|
|
WO/1985/002787A1 |
Process for enhancing the efficiency of acid gas scrubbing processes by flashing from the rich absorbent a portion of the acid gases prior to regenerating the sorbents for recycling. The flash is improved when nucleating agents, and opti...
|
|
WO/1984/000952A1 |
Process for eliminating hydrogen sulphide contained in a gas to be scrubbed, said process being of the type comprising: (a) a step for reacting hydrogen sulphide with sulphur dioxide in a common solvent; (b) a step for the absorption of ...
|
|
WO/1982/000655A1 |
In a process for recovery of values contained in solid carbonaceous material, the solid carbonaceous material is comminuted (10) and then subjected to pyrolysis, in the presence of a solid particulate source of heat in a pyrolysis zone, ...
|
|
WO/1980/000442A1 |
The plant for gasifying coal into methane or synthesis gas comprises a hydrogenation gasifier (2), a vapour gasifier (4), a conversion device (17), a fractionation device (9), a nuclear reactor (23) and a furnace for separating the metha...
|
