| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
|---|
| 12/11/1984 | US4487699 Sewage sludge treatment apparatus and process |
| 12/11/1984 | US4487697 Biological waste-water-treatment method |
| 12/11/1984 | US4487692 Sidewall mounted separator for removing solids in waste water |
| 12/11/1984 | CA1179431A1 Floatation arrangement |
| 12/05/1984 | EP0127600A1 A device for increasing the oxygen concentration in a subsurface stratum of a thermally stratified body of water |
| 12/05/1984 | EP0127581A1 Microorganisms of the genus Pseudomonas and method for the decomposition of compounds containing methyl groups in aqueous solutions |
| 12/05/1984 | EP0127240A1 Method of processing waste, and waste dump with a membrane filtration unit |
| 12/05/1984 | EP0126728A1 Improvements in a process in microbiological purification and device and materials therefor |
| 12/04/1984 | US4486361 Apparatus for introducing gas into a liquid mass |
| 12/04/1984 | US4486310 In response to temperature |
| 11/28/1984 | EP0126722A2 Plant for processing organic material |
| 11/28/1984 | EP0126643A1 A method of treating waste liquors containing phenolics and formaldehyde |
| 11/28/1984 | EP0126394A1 Enzymatic removal of aromatic hydroxy compounds and aromatic amines from waste waters |
| 11/27/1984 | US4485016 Enzymatic removal of aromatic hydroxy compounds and aromatic amines from waste waters |
| 11/22/1984 | WO1984004519A1 Method for purifying waste water in plants comprising an adsorption stage |
| 11/21/1984 | EP0125546A1 Process for waste water purification in plants with an adsorption step |
| 11/21/1984 | EP0125430A2 Plastic filling material for biological filters |
| 11/21/1984 | EP0125364A2 Waste water clarifier |
| 11/20/1984 | US4483923 Microbiological process for removing non-ionic surface active agents, detergents and the like from wastewater and microorganism capable of same |
| 11/20/1984 | US4483772 Clarification, fictration |
| 11/16/1984 | EP0049265A4 Pond with filtered water. |
| 11/14/1984 | EP0125235A1 Process and apparatus for the biological purification of waste water |
| 11/13/1984 | US4482632 Pseudomonas aeruginosa |
| 11/13/1984 | US4482510 Self-propelled jet aerator |
| 11/13/1984 | US4482458 Process and apparatus for the anaerobic treatment of waste water in a filter including granular material |
| 11/13/1984 | CA1177977A1 Biochemical process for purifying contaminated water |
| 11/08/1984 | WO1984004295A1 Method and plant for the biological purification of waste water |
| 11/07/1984 | EP0124438A1 Packings for biological filters |
| 11/07/1984 | EP0124409A1 Process and apparatus for the regeneration of solid particles covered by a biomass |
| 11/07/1984 | EP0123985A2 Process for the detoxication of waste water sludge |
| 11/07/1984 | EP0123685A1 Terraced-casketed sewage treating system |
| 11/07/1984 | EP0051063B1 A process and an apparatus for converting organic material along a micro-biological route |
| 11/06/1984 | US4481293 Method for the production of methane |
| 11/06/1984 | US4481112 Process of treating gas condensate |
| 10/30/1984 | US4479876 Process and apparatus for the biological purification of wastewater |
| 10/24/1984 | EP0122506A1 Device for blowing a gas into a liquid |
| 10/23/1984 | US4478766 Air diffuser for waste water treatment |
| 10/17/1984 | EP0121851A2 Biologically active composition for the purification of waste water and waste gases |
| 10/16/1984 | US4477570 Metabolism of halogenated organic compounds by a cells of a cultured pseudomonas |
| 10/16/1984 | US4477393 Apparatus for dissolution of gases in liquid |
| 10/16/1984 | US4477341 Injector apparatus having a constriction in a following adjoining mixing pipe |
| 10/16/1984 | CA1176385A1 Adapter skirt for static aerator mixer |
| 10/09/1984 | CA1175962A1 Contactor media for removing waste from water |
| 10/03/1984 | EP0120772A1 Installations and processes for the biological purification and production of combustible gases by anaerobic two-phase fermentation |
| 10/03/1984 | EP0120188A1 Apparatus for the anaerobic treatment of raw sludge or heavily polluted waste water |
| 10/02/1984 | US4474714 Diffuser apparatus |
| 10/02/1984 | US4474713 Year-round aeration of lagoons, ponds and small lakes |
| 09/26/1984 | EP0119988A2 Process for dewatering sludges and/or organic matter |
| 09/26/1984 | EP0119987A2 Process for dewatering sludges and/or organic matter |
| 09/26/1984 | EP0119818A2 Sewage treatment plant |
| 09/26/1984 | EP0119447A2 Device for the production of high grade solid-liquid mixtures |
| 09/26/1984 | EP0119430A1 Process and apparatus for the anaerobic biological treatment of waste water |
| 09/26/1984 | EP0119205A1 Installation for the treatment of waste water by means of biomass according to an aerobic process. |
| 09/25/1984 | US4473590 Method for obtaining protein-containing animal feed from organic matter |
| 09/25/1984 | US4473468 Cistern for natural purification and plankton cultivation |
| 09/25/1984 | US4473467 Gravity flow septic tank system |
| 09/25/1984 | CA1175169A1 Plant for purifying contaminated air |
| 09/25/1984 | CA1174987A1 Solids-liquid separation |
| 09/19/1984 | EP0118621A1 Process and apparatus for the anaerobic treatment of sludge or highly polluted waste water |
| 09/19/1984 | EP0022809B1 Process and device for processing waste waters |
| 09/19/1984 | EP0012745B1 Oxidation ditch with flow-control apparatus and use thereof in an activated sludge process |
| 09/18/1984 | US4472181 Spray painting plant containing apparatus for purifying contaminated air |
| 09/11/1984 | US4470906 Apparatus for biological wastewater treatment |
| 09/11/1984 | CA1174381A1 Method for the anaerobic degradation of organic material |
| 09/11/1984 | CA1174380A1 Biochemical conversion of biodegradable carbon- containing material into higher molecular weight hydrocarbon |
| 09/11/1984 | CA1174379A1 Effluent treatment |
| 09/05/1984 | EP0117546A2 Apparatus for aerating waste water |
| 09/05/1984 | EP0117529A2 Process for the purification of waste water originating from the production of cellulose, especially from bleaching with chlorine |
| 09/05/1984 | EP0117463A2 Process and apparatus for the gasification and degasification of liquids |
| 09/04/1984 | US4469600 Preloading carrier with bacteria and adsorbers |
| 09/04/1984 | US4469599 Biologically; hydrogen-saturated water |
| 09/04/1984 | US4469596 Fluid transport conduit system in equilibrium with its environment |
| 08/28/1984 | US4468461 Microbiological removal of chromate from contaminated waste water |
| 08/28/1984 | US4468358 Apparatus for mixing air and liquid |
| 08/28/1984 | US4468327 Effluent treatment |
| 08/28/1984 | US4468326 Sewage |
| 08/28/1984 | US4468130 Mixing apparatus |
| 08/28/1984 | CA1173572A1 Treating liquids in tanks |
| 08/22/1984 | EP0116497A1 Apparatus for the anaerobic filtration of waste water |
| 08/21/1984 | US4467035 Cultivation of phototrophic bacteria in the absence of ultraviolet light |
| 08/21/1984 | US4466928 Apparatus for dissolution of gases in liquid |
| 08/14/1984 | US4465645 Rotary surface aerator with adjustable liquid transporting units |
| 08/14/1984 | US4465600 Means and method for recovering algae |
| 08/14/1984 | US4465594 Sewage system for the treatment of segregated domestic waste water |
| 08/14/1984 | CA1172780A1 In place gas cleaning of diffusion elements |
| 08/07/1984 | US4464262 Liquid flow distributor |
| 08/07/1984 | US4464259 Hydraulic horizontal mixer |
| 08/07/1984 | CA1172247A1 Draft tube apparatus |
| 07/31/1984 | US4462910 Oil slick dispersants using diguanidinium salt |
| 07/31/1984 | CA1171982A1 Biological sewage treatment apparatus of the rotary disc type |
| 07/25/1984 | EP0113877A2 Plant for the production of energy in the form of a biogas or putrefaction heat |
| 07/24/1984 | US4461834 For biological treatment of cyanide-containing waste waters |
| 07/24/1984 | US4461743 Oxygen injection nozzle for wet oxidation reactors |
| 07/24/1984 | CA1171346A1 Method for measuring biomass viability |
| 07/19/1984 | WO1984002698A1 Apparatus for the production of methane |
| 07/17/1984 | US4460692 Microemulsion of nutrient substances |
| 07/17/1984 | US4460471 Flow-control process for an oxidation ditch |
| 07/17/1984 | US4460470 Process and apparatus for the biological purification of phosphate-containing wastewater |
| 07/10/1984 | CA1170790A1 Method and installation for purifying contaminating water |
| 07/05/1984 | WO1984002518A1 Anaerobic fermentation |