| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
|---|
| 01/31/1978 | US4071445 Method and apparatus for treating waste water on ships |
| 01/24/1978 | US4070405 Process for working up liquid copper-containing catalyst waste from isomerization reactions of dichlorobutene |
| 01/24/1978 | US4070281 Method for treating waste water |
| 01/10/1978 | CA1024082A1 Decantation process using laminae with deflectors |
| 01/03/1978 | US4066548 Sludge hydroextractor |
| 01/03/1978 | US4066543 Continuous process for non-catalytic oxidation of sulfite-containing waters |
| 12/20/1977 | US4064212 Method of making pellets usable as aggregate or filler |
| 12/13/1977 | US4062779 Apparatus for thickening and extracting the liquid from a sludge |
| 12/13/1977 | US4062772 Copper manganite spinel |
| 12/13/1977 | US4062770 Or sewage sludge |
| 12/06/1977 | US4061557 Assembly of electrodes |
| 11/22/1977 | US4059666 Method of converting oil and waste containing sludge to dry waste |
| 11/08/1977 | US4057392 Apparatus for treating sewage sludge |
| 11/01/1977 | US4056466 Sludge, amine |
| 10/11/1977 | US4053404 Heat exchange method for wet oxidation systems |
| 10/11/1977 | US4053401 Sludge treating process |
| 10/04/1977 | US4052302 Process of forming catalytic surfaces for wet oxidation reactions |
| 09/27/1977 | US4050907 Organic waste treating and conversion system |
| 09/27/1977 | US4050390 Method of treating sewage sludge |
| 09/20/1977 | US4049241 Motionless mixing device |
| 09/13/1977 | US4047883 Thermal treatment of materials by hot particulates |
| 09/06/1977 | US4046689 Method and apparatus for transporting sludge while rendering it for conversion into fertilizer |
| 08/30/1977 | US4045341 Method for the disposal of waste water containing ammonium ions, sulfate ions and organic substances |
| 08/23/1977 | US4043909 Apparatus and method for solidification of sludges |
| 08/23/1977 | US4043047 Process and apparatus for the treatment of water-containing substances and application of this method for the preparation of pasteurized dried sludge |
| 08/09/1977 | US4041127 Method of treating the fluorine-containing mud produced by the acid polishing of lead glass so as to form basic lead carbonate |
| 08/09/1977 | US4040960 Waste water apparatus, pollution control |
| 08/09/1977 | US4040920 Chromium(vi)-containing; adding ferrous nitrate or chloride, neutralization with sodium hydroxide |
| 08/09/1977 | US4040190 Method and apparatus for drying manure or mud or the like |
| 08/02/1977 | US4039450 Continuous tubular filter and method of using the same |
| 07/26/1977 | US4038184 Method of processing waste on ships and the like and arrangement for carrying out the method |
| 07/26/1977 | US4038181 Urea or ammonium or potassium salts |
| 07/26/1977 | US4038180 Process of dewatering sewage sludge |
| 07/26/1977 | US4038028 Sewage sludge-irradiation device |
| 07/19/1977 | US4036753 Burning combustible-thermal decomposition gas substoichiometricallyion |
| 07/19/1977 | US4036752 Dewatering clay slurries |
| 06/28/1977 | US4032446 Food disposer |
| 06/07/1977 | US4028240 Method and apparatus for treating sumps |
| 06/07/1977 | US4028130 Hardening with lime and fly ash |
| 05/10/1977 | US4022691 Mixing chamber for thickening sewage sludge by means of a flocculation agent combined with overflow drainage means |
| 04/26/1977 | US4019431 Method of dewatering sludge |
| 04/19/1977 | US4018867 Reaction with metal hydroxide or carbonate |
| 04/19/1977 | US4018682 Freeze-thaw method for reducing mineral content of a clay-water mixture |
| 04/12/1977 | US4017421 Wet combustion process |
| 04/05/1977 | US4016073 Process for sludge disposal and circular landfill system |
| 04/05/1977 | US4015997 Process for stabilizing aqueous coal sludges |
| 03/29/1977 | US4014780 Recovery of oil from refinery sludges by steam distillation |
| 03/29/1977 | US4014643 Rotary kiln |
| 03/22/1977 | US4013560 Energy production of wet oxidation systems |
| 03/22/1977 | US4013516 Apparatus and process for the pyrolysis of waste solids concentrates |
| 03/01/1977 | US4010098 Resource recovery from disposal of solid waste and sewage sludge |
| 02/15/1977 | US4008171 Volume reduction of spent radioactive ion exchange resin |
| 02/08/1977 | US4007094 Process and apparatus for recovering clean water from aqueous wastes |
| 01/18/1977 | US4003717 Method and apparatus for recovering by-product silt fines from a slurry thereof |
| 01/11/1977 | US4002524 Spray drying |
| 12/28/1976 | US4000068 Polluted water purification |
| 12/28/1976 | US4000064 System for destructing waste products |
| 12/14/1976 | US3997440 Copper manganite catalyst |
| 12/14/1976 | US3997437 Aerobic type sewage digestion system |
| 12/07/1976 | US3996133 From a calcium and phosphate-bearing-sludge |
| 12/07/1976 | US3996044 Electro-pyrolytic upright shaft type solid refuse disposal and conversion process |
| 11/30/1976 | US3994804 Sewage sludge treatment system |
| 11/16/1976 | US3992295 Polluted water purification |
| 11/16/1976 | US3991689 Waste grease-burning system |
| 11/09/1976 | US3990974 Waste treatment and solids separating system |
| 10/26/1976 | US3988259 Catalyst regeneration |
| 10/12/1976 | US3985510 Flash reactor unit |
| 10/12/1976 | US3985086 Freezer, vacuum, oven sewage treatment system |
| 10/05/1976 | US3984317 Filtering |
| 10/05/1976 | US3984312 Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems |
| 10/05/1976 | US3984311 Oxidation catalysts, bromine, iodine, nitrate ions |
| 09/14/1976 | US3980558 Solidifying agent |
| 09/07/1976 | US3978673 Method of disposing of liquid waste |
| 08/31/1976 | US3977966 Purification of non-biodegradable industrial wastewaters |
| 08/24/1976 | US3976465 Sterilized organic waste product and process of producing same |
| 08/17/1976 | US3975277 Liquid composition for the treatment of waste materials |
| 08/17/1976 | US3975266 Dewatering process |
| 08/17/1976 | US3974784 Molten salts, lime |
| 08/17/1976 | US3974783 Method for improving sewage sludge incineration |
| 08/10/1976 | US3974021 Process and cyclone reactor for fire decontamination of industrial waste water containing organic and refractory mineral impurities |
| 07/27/1976 | US3971732 Apparatus for fixing radioactive waste |
| 07/13/1976 | US3968756 Method for incineration of a sludge containing chromium substance and apparatus therefor |
| 06/15/1976 | US3963611 Oxidation process for improving the environmental quality of water containing sulfur and/or inorganic sub-six-sulfur-containing impurities |
| 06/15/1976 | US3963471 Apparatus and process for producing an organic product from sewage sludge |
| 06/08/1976 | US3962080 Sodium sulfur oxides wastes disposal process |
| 06/08/1976 | US3962076 Process for converting aqueous sewage to potable water |
| 06/08/1976 | US3962069 System for treating sludge |
| 06/08/1976 | US3962044 Heat treating excreta and products thereof |
| 06/08/1976 | US3962035 Hydrocarbon conversion process |
| 06/01/1976 | US3960725 Method for sludge treatment |
| 06/01/1976 | US3960718 Method and apparatus for treating liquid sewage and waste |
| 06/01/1976 | US3959829 Improvements in and relating to dry closets |
| 05/25/1976 | US3959126 Sewage handling and disposal process for chloride (NaCl) contaminated sludges |
| 05/25/1976 | US3959125 Treatment and disposal of sewage sludge |
| 05/25/1976 | US3958920 System for controlling the operation of a multiple hearth furnace |
| 05/25/1976 | US3958518 Incinerator for oil-containing waste sludge and method thereof |
| 05/11/1976 | US3956128 Apparatus for treating industrial and domestic waste waters |
| 05/11/1976 | US3956126 Apparatuspollution control |
| 05/11/1976 | US3956059 Evaporation, agitation |
| 05/04/1976 | US3954605 Domestic sewage, fluidized bed incinerator |