| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 05/20/1980 | US4203838 Sewage |
| 05/20/1980 | US4203836 Absorption of the metal hydroxides |
| 05/20/1980 | US4203835 Waste water treatment method using activated carbon |
| 05/20/1980 | CA1077860A1 Continuous tubular filter |
| 05/14/1980 | EP0010713A1 Process for the purification of waste water containing organic compounds of sulfur and phosphor |
| 05/14/1980 | EP0010638A1 Agrochemical agents and animal feed additive, their use, process for production of fertilizers and process for fertilizing plants |
| 05/13/1980 | CA1077637A1 Flocculating agent comprising water-in-oil emulsion of h-active polymer carrying formaldehyde and amine radicals |
| 05/06/1980 | US4201918 Apparatus for the electron beam irradiation of a flowable material, more particularly sewage sludge |
| 05/01/1980 | WO1980000832A1 Treatment of sea discharged sewage |
| 04/30/1980 | EP0010243A1 Process for treating biomasses; modified biomasses and their application |
| 04/29/1980 | US4199961 Mechanical energy produced by a turbine drives a refrigeration compressor |
| 04/29/1980 | CA1076720A1 Method and apparatus for composting refuse/sewage sludge mixtures |
| 04/29/1980 | CA1076363A1 Method for the removal of mercury from sludges containing same |
| 04/22/1980 | US4198914 Installation for treatment of sediments coming from stations for purification of industrial waste water |
| 04/22/1980 | CA1076273A1 Oxidation of waste water containing sulphide, sulphite and/or thiosulphate |
| 04/16/1980 | EP0009738A1 Filtration method for separating solid, sludgy and dissolved substances from waste water or from sludge resulting from the cleaning of waste water |
| 04/15/1980 | US4198211 Microbiological processes to produce fuel gas |
| 04/15/1980 | US4198201 Method of and apparatus for operating industrial furnace systems |
| 04/01/1980 | US4196082 Combination of a biological dry toilet and a biological waste water purifying plant |
| 04/01/1980 | US4196077 Sewage sludge dewatering |
| 04/01/1980 | CA1074926A1 Process of dewatering sewage sludge |
| 04/01/1980 | CA1074925A1 Solid-liquid separation method for organic waste sludge |
| 04/01/1980 | CA1074758A1 Sewage treatment |
| 04/01/1980 | CA1074528A1 Manufacture of magnesium carbonate and calcium sulphate |
| 03/18/1980 | US4193854 Heavy metal removal from wastewater sludge |
| 03/18/1980 | US4193837 Thin layer evaporators |
| 03/18/1980 | US4193206 Processes for drying sewage sludge and filtering water |
| 03/18/1980 | CA1074027A1 Process for the treatment of activated sludge |
| 03/11/1980 | US4192743 Process of dewatering sludge-type material and installation for carrying out the process |
| 03/11/1980 | CA1073564A1 Process of dewatering sewage sludge |
| 03/11/1980 | CA1073476A1 Treatment of waste |
| 03/11/1980 | CA1073365A1 Process and apparatus for removal of ash from waste water treatment system |
| 03/04/1980 | US4191643 Method for the mechanical preparation of organic wastes in a biological digestion process |
| 03/04/1980 | US4191549 Solar chemical process for sludge treatment |
| 03/04/1980 | US4191527 Apparatus for the dehydration of waste and vegetable matter |
| 02/26/1980 | US4190528 Hydrolysis of sludge with ammonia or ammonium carbonate |
| 02/26/1980 | US4190372 Apparatus for treatment of sludge deposit |
| 02/26/1980 | CA1072325A1 Method of treating wet-washed silica dust |
| 02/26/1980 | CA1072287A1 Apparatus for irradiating flowable material |
| 02/19/1980 | CA1072225A1 Process for the treatment of aqueous effluent streams |
| 02/19/1980 | CA1072018A1 Ship waste water treating with flotation and membrane permeation |
| 02/06/1980 | EP0007683A1 Static mixer and method of mixing fluids |
| 02/05/1980 | US4187176 Heavy metal separation from wastes employing irradiation |
| 02/05/1980 | CA1071338A1 Treatment of cellular material |
| 01/29/1980 | US4185680 Process for producing useful concentrated slurries from waste material |
| 01/29/1980 | CA1070866A1 Process for compacting and wringing fluid sludge containing fibrous material |
| 01/29/1980 | CA1070864A1 Sludge dewatering process |
| 01/22/1980 | US4184959 Sludge recovery apparatus |
| 01/22/1980 | US4184958 Apparatus for treating sumps |
| 01/22/1980 | US4184956 Apparatus for treating waste-waters and sludges, comprising an irradiation system using accelerated charged particles |
| 01/22/1980 | US4184269 Apparatus for aerating organic waste material |
| 01/22/1980 | CA1070108A1 Method and apparatus for recovering by-products silt fine from a slurry thereof |
| 01/08/1980 | CA1069302A1 Method and device for sludge treatment |
| 01/01/1980 | US4181614 Sludge removal apparatus |
| 12/25/1979 | US4180459 Fertilizers, mulch/; |
| 12/12/1979 | EP0005902A1 Self-setting or water-settable isocyanate compositions and methods for their formation |
| 12/04/1979 | US4177246 In organic fulorine-containing inert liquid |
| 12/04/1979 | CA1067626A1 Method of purifying waste water |
| 11/20/1979 | CA1066821A1 Activated sludge treatment |
| 11/13/1979 | US4174280 Oxidation process |
| 10/31/1979 | EP0005011A1 A method of removing metallic impurities from sewage sludge |
| 10/23/1979 | CA1064977A1 Stabilization of sludge slurries |
| 10/18/1979 | WO1979000791A1 Method and apparatus for effecting subsurface,controlled,accelerated chemical reactions |
| 10/17/1979 | EP0004778A2 Process for the treatment of incinerated sewage sludge ash |
| 10/17/1979 | EP0004528A2 Biological treatment of waste water |
| 10/09/1979 | CA1063800A1 Method and apparatus for heating and removing moisture from water-containing material |
| 10/04/1979 | WO1979000719A1 Method for the production of methane and a plant for carrying out the method |
| 10/02/1979 | CA1063740A1 Process for dewatering sludge-type material and an installation for carrying out the process |
| 10/02/1979 | CA1063739A1 Purification of non-biodegradable industrial wastewaters |
| 09/25/1979 | US4168670 Incineration of lime-conditioned sewage sludge with high sulfur fuel |
| 09/25/1979 | CA1063264A1 Phosphate stripping of sewage |
| 09/18/1979 | US4168283 Process for drying copper containing catalyst waste |
| 09/04/1979 | CA1061918A1 Method for the disposal of waste water containing ammonium ions, sulfate ions and organic substances |
| 08/28/1979 | CA1061189A1 Method of disposing of waste water containing emulsified oil |
| 08/28/1979 | CA1061129A1 Product for producing the physical media for plant growth |
| 08/21/1979 | US4165289 Self-sufficient heat treatment |
| 08/21/1979 | CA1061022A1 Conditioning sewage waste sludges for dewatering |
| 08/14/1979 | US4164469 Method of cleaning phenol-containing waste waters |
| 08/14/1979 | US4164413 Method for promoting growth of plants with cationic polymers |
| 08/14/1979 | US4164317 Centrifuge with automatic sludge discharge |
| 08/08/1979 | EP0003216A1 Process and apparatus for the thermal treatment of aqueous sludges, especially sewage sludges |
| 07/24/1979 | US4162153 High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material |
| 07/24/1979 | CA1059245A1 Treatment of refuse |
| 07/11/1979 | EP0003013A1 Process and device for sludge thickening |
| 07/11/1979 | EP0002928A1 Removal of solids from a wet oxidation reactor |
| 07/11/1979 | EP0002858A1 Sanitation process and apparatus for continually overloaded water treatment plants |
| 07/10/1979 | US4160734 For removing liquid, solid and semi-solid wastes |
| 07/10/1979 | US4160731 Using a cationic acrylamide copolymer |
| 07/03/1979 | US4159944 Chelation of heavy metals from fertilizers |
| 07/03/1979 | US4159684 Method for incinerating waste sludges |
| 07/03/1979 | US4159682 Fluid bed combustion with predrying of moist feed using bed sand |
| 06/26/1979 | US4159248 Denatering, sewage treatment |
| 06/26/1979 | CA1057128A1 Process for the hygienic elimination of sewage containing salt-containing organic substances |
| 06/19/1979 | CA1056555A1 Process for stabilizing aqueous coal sludges |
| 06/12/1979 | US4157961 Combined waste water clarification and trash disposal system |
| 06/12/1979 | US4157942 Method for recovery of metals from metal plating baths and neutralizing toxic effluents therefrom |
| 05/29/1979 | US4156644 Pulsating sludge bed with inclined plates |
| 05/22/1979 | US4155848 Wet oxidation of wastes with circulation |
| 05/22/1979 | CA1054896A1 Process for removing and recovering precipitation agents from precipitate containing proteinous substances |
| 05/16/1979 | EP0001792A1 Process for treating waste water |