| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 07/11/1978 | US4100257 Process and amine-solvent absorbent for removing acidic gases from gaseous mixtures |
| 07/11/1978 | US4100256 To hydrogen sulfide and carbon dioxide |
| 07/11/1978 | US4100107 Desulfurization of fuel gas at high temperature using supported molten metal carbonate absorbent |
| 07/11/1978 | US4100100 Thiocyanate or thioamide, quaternary pyridinium, cobalt |
| 07/11/1978 | US4100099 Quaternary salt-polyamine inhibitor for sour gas conditioning solutions |
| 07/11/1978 | US4099938 Gas scrubber |
| 07/11/1978 | US4099925 Apparatus for desulfurization of flue gas |
| 07/04/1978 | US4098886 Desulfurization |
| 07/04/1978 | US4098722 Catalyst supports |
| 07/04/1978 | US4098593 Adiabatic VCM adsorption on carbon |
| 07/04/1978 | US4098582 Method of accelerating contact reactions in fluids and apparatus therefor |
| 06/27/1978 | US4097585 Production of sulfur from Claus process waste gas |
| 06/27/1978 | US4097576 Reduction catalyst for removal of nitrogen oxides in exhaust gas |
| 06/27/1978 | US4097349 Photochemical process for fossil fuel combustion products recovery and utilization |
| 06/27/1978 | US4097250 Method for the purification of natural gas having a high contents of acidic gases |
| 06/27/1978 | US4097248 Adsorption |
| 06/27/1978 | US4096640 Method and apparatus for thermal treatment of or for matter-exchange with pourable material |
| 06/27/1978 | CA1033772A1 Cement manufacture |
| 06/27/1978 | CA1033537A1 Separation process of zirconium and hafnium tetrachlorides and their mixtures |
| 06/20/1978 | US4096236 Gas scrubbing method |
| 06/20/1978 | US4096096 Method for manufacture of catalyst used for reduction of nitrogen oxides |
| 06/20/1978 | US4096095 Aluminum-iron alloy with protective coating of a refractory oxide and second catalytic coating |
| 06/20/1978 | US4096085 Corrosion inhibited alkanolamine solution |
| 06/20/1978 | US4095965 Absorption filter |
| 06/13/1978 | US4094957 Process for removing acid gases with hindered amines and amino acids |
| 06/13/1978 | US4094777 Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass |
| 06/13/1978 | US4094652 Electrodesorption system for regenerating a dielectric adsorbent bed |
| 06/06/1978 | US4093707 Process for preparing peroxide group containing aluminum complex |
| 06/06/1978 | US4093703 Oxidation |
| 06/06/1978 | US4093702 Removing sulfur dioxide |
| 06/06/1978 | US4093701 Continuous absorption of hydrogen sulfide using an alkanolamine |
| 06/06/1978 | US4093580 An oligomer or a copolymer of a 1-olefin and an unsaturated anhydride |
| 06/06/1978 | US4093561 Catalyst for the reduction of nitrogen oxides and method for the production thereof |
| 06/06/1978 | US4093436 Uranium enrichment apparatus having a cascade of separating stages in a single unit |
| 06/06/1978 | US4093435 Total heat energy exchangers |
| 06/06/1978 | US4093433 Wet scrubbing |
| 06/06/1978 | US4093429 Gas separation system |
| 06/06/1978 | US4093423 Compression |
| 06/06/1978 | US4093026 Removal of sulfur dioxide from process gas using treated oil shale and water |
| 05/30/1978 | US4092403 Process for the purification of by-product hydrogen chloride streams |
| 05/30/1978 | US4092402 Method for removing sulfur dioxide from exhaust gas |
| 05/30/1978 | US4092194 Process for making ceramic refractory oxide fiber-reinforced ceramic tube |
| 05/30/1978 | US4092135 Assembly of tubes for isotopic separation diffusers |
| 05/30/1978 | US4092133 Process and apparatus for treating a waste gas including combustible gases and radioactive Kr-85 |
| 05/30/1978 | US4092132 Acetic acid |
| 05/23/1978 | US4091076 Reaction with calcium oxide on alumina support |
| 05/23/1978 | US4091075 Method for removing sulfur dioxide from flue gases |
| 05/23/1978 | US4091074 Removing nitrogen oxides and sulfur oxides from exhaust gases |
| 05/23/1978 | US4091073 Process for the removal of H2 S and CO2 from gaseous streams |
| 05/23/1978 | US4091072 Exhaust gas conversion process and catalyst |
| 05/23/1978 | US4091045 Process for the purification of liquid sorbents that comprise bimetallic salt complexes |
| 05/23/1978 | US4090855 Method and apparatus for separation of gaseous particles of different masses by centrifugal forces |
| 05/16/1978 | US4089930 Process for the catalytic reduction of nitric oxide |
| 05/16/1978 | US4089810 Purification of exhaust gases |
| 05/16/1978 | US4089809 Regenerable sorbent and method for removing hydrogen sulfide from hot gaseous mixtures |
| 05/16/1978 | US4089660 Process for contacting a gas with a liquid |
| 05/16/1978 | US4089653 Apparatus for the separation of hydrogen sulfide from gas mixture including carbon dioxide |
| 05/09/1978 | US4088743 Catalytic incineration of hydrogen sulfide from gas streams |
| 05/09/1978 | US4088737 Reaction with hydrogen gas to form the iodide, adsorbing hydrogen iodide on lead exchanged zeolite |
| 05/09/1978 | US4088736 Process for purifying a gas containing hydrogen sulfide and contact masses usable therefor |
| 05/09/1978 | US4088735 Process for purifying gases from the gasification of fossil fuels |
| 05/09/1978 | US4088734 Removal of hydrogen arsenide |
| 05/09/1978 | US4088607 Catalyst and method of preparing same |
| 05/09/1978 | US4088606 Cobalt base nox reducing catalytic structure |
| 05/09/1978 | US4088604 Purification of air and gases, cobalt, iron, oxygen |
| 05/09/1978 | US4088465 Process for recovering a combustible gas |
| 05/09/1978 | US4088461 Combination of a supplementary filter and respirator filter |
| 05/09/1978 | US4088460 Purifying an air or gas stream containing combustible vaporous or gaseous impurities |
| 05/09/1978 | US4088435 Method for the combustion of carbonaceous fuels utilizing high temperature stable catalysts |
| 05/02/1978 | US4087497 Cooling device |
| 05/02/1978 | US4087384 Method of catalyst preparation for use in suppressing hydrocarbon and carbon monoxide emission from internal combustion engines |
| 05/02/1978 | US4087383 Method for acid treating solid supports |
| 05/02/1978 | US4087372 An absorbing solution for the removal of nitrogen oxide form a gas containing same |
| 05/02/1978 | US4087262 Pressurized gas transfer system with dilution control |
| 05/02/1978 | US4087260 Apparatus for sorption filters and method for operating them |
| 05/02/1978 | US4087250 Apparatus for removing nitric oxides from processing exhaust gases |
| 04/25/1978 | US4086327 Process for removing nitrogen oxides from gaseous mixtures |
| 04/25/1978 | US4086324 Removal of sulfur and nitrogen oxides with aqueous absorbent |
| 04/25/1978 | US4086323 Process for removal of sulfur compounds from fuel gases |
| 04/25/1978 | US4086288 Acetylenes removal from olefin streams for alkylation by dimethyl formamide absorption |
| 04/25/1978 | US4086162 Method of adsorption by activated charcoal in a lower fluidized bed and upper fixed bed |
| 04/25/1978 | US4086051 System for preparing packed columns and coated capillary tubes useful in gas chromatography |
| 04/25/1978 | US4085688 Treatment of effluent |
| 04/18/1978 | US4085195 Sorbent preparation and process using same |
| 04/18/1978 | US4085194 Absorption in sea water, formation of sulfites, oxidation to sulfates |
| 04/18/1978 | US4085193 Catalytic process for reducing nitrogen oxides to nitrogen |
| 04/18/1978 | US4085192 Selective removal of hydrogen sulfide from gaseous mixtures |
| 04/18/1978 | US4085170 Bubbling, electrical spark discharge |
| 04/18/1978 | US4085048 Device for separating fluids and a method of manufacturing it |
| 04/18/1978 | US4084943 Apparatus for separating lighter from heavier gas |
| 04/18/1978 | US4084545 Operating method |
| 04/11/1978 | US4084098 Moisture exchanger type ozone-generating apparatus |
| 04/11/1978 | US4083945 Process for the treatment of hydrogen sulfide gas streams |
| 04/11/1978 | US4083944 Scrubbing with sodium bisulfide |
| 04/11/1978 | US4083780 Convoluted spiral wrap membrane |
| 04/11/1978 | US4083703 Processing of gas streams |
| 04/11/1978 | US4083701 Removal of sulfur dioxide with activated carbon, pollution control |
| 04/04/1978 | US4082837 Ammonia to nitric oxide, ceramic catalyst |
| 04/04/1978 | US4082835 Removal of SO2 from gases |
| 04/04/1978 | US4082631 Absorption of chlorine gas |