| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 10/12/1983 | EP0091015A2 Method of operating pure oxygen wet oxidation systems |
| 10/05/1983 | EP0090389A1 Process for the anaerobic fermentation of organic materials |
| 10/04/1983 | CA1154702A1 Method for treating oil sands extraction plant tailings |
| 09/27/1983 | US4406795 Separating protein solids from fat-containing liquid by filtration |
| 09/13/1983 | US4404105 Reaction and solidification of silicic acid polymer and toxic metal or metal compound; water treatment |
| 09/13/1983 | CA1153630A1 Process for treating clarified sludge |
| 09/06/1983 | US4402834 Method for dewatering sludge-type material |
| 09/06/1983 | US4402274 Method and apparatus for treating polychlorinated biphenyl contamined sludge |
| 08/31/1983 | EP0087268A2 Process for treating sludge |
| 08/30/1983 | US4400936 Method of PCB disposal and apparatus therefor |
| 08/23/1983 | CA1152290A1 Treatment of caustic waste from wet air oxidation process |
| 08/17/1983 | EP0085961A1 An oxygen injection nozzle |
| 08/16/1983 | US4398476 Method for incinerating sewage sludge |
| 08/10/1983 | EP0085421A1 Process and apparatus for the biological treatment of sludge |
| 08/09/1983 | US4397742 Composition and method combining fluidized bed residue with scrubber sludge |
| 08/09/1983 | US4397100 Organic solid substrate dewatering process based on plug flow contact by an extractive fluid |
| 07/27/1983 | EP0084042A1 Anaerobic fermentation |
| 07/26/1983 | US4395339 Method of operating pure oxygen wet oxidation systems |
| 07/26/1983 | CA1150675A1 Combined adhesion and ionic jet solids-from-drilling-mud separation system |
| 07/21/1983 | WO1983002446A1 Process for decontaminating natural and industrial sludges |
| 07/19/1983 | US4394270 Apparatus for the chemical conditioning of sludges |
| 07/19/1983 | CA1150175A1 Application of a process for separating oils or petroleum hydrocarbons |
| 07/12/1983 | US4393166 Process for the preparation of polyaddition products of isocyanates and denatured biomasses, their use as reactive fillers and as plant nutrients and a process for the production of sheets or shaped articles using the polyaddition products |
| 07/12/1983 | US4392881 Continuous, efficient |
| 07/12/1983 | CA1149975A1 Sludge dewatering system |
| 07/12/1983 | CA1149657A1 Process for the preparation of a liquid-absorbing and shock-absorbing material |
| 06/21/1983 | US4388875 Evaporating concentrator for sewage sludge |
| 06/14/1983 | CA1148282A1 Anaerobic filter |
| 06/14/1983 | CA1148168A1 Agent for promoting filtration dehydration of metal hydroxide slurry |
| 06/07/1983 | USRE31267 Making a paste with fuller*s earth |
| 06/07/1983 | CA1147874A1 Biological filter and process |
| 06/01/1983 | EP0018366B1 Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions |
| 05/31/1983 | US4385903 Agent for promoting filtration dehydration of metal hydroxide slurry |
| 05/24/1983 | US4384959 Wet oxidation process utilizing dilution of oxygen |
| 05/24/1983 | US4384956 Waste water purification |
| 05/24/1983 | US4384923 Process for the hygienization of carbonation sludges |
| 05/24/1983 | CA1146929A1 Destruction method for the wet combustion of organics |
| 05/24/1983 | CA1146813A1 Apparatus and method for treating sewage sludge |
| 05/17/1983 | US4383925 Filters |
| 05/17/1983 | US4383888 Process for concentrating radioactive combustible waste |
| 05/10/1983 | US4382864 Process for dewatering sludges |
| 05/10/1983 | US4382863 Sludge dewatering system |
| 05/03/1983 | CA1145866A1 Sewage and waste water treatment |
| 04/26/1983 | US4381288 Mercury brine sludge treatment |
| 04/20/1983 | EP0077002A1 Process and installation for the anaerobic treatment of waste water and for the production of methane-containing biogas |
| 04/19/1983 | US4380496 Sewage, sludge or peat treatment |
| 04/13/1983 | EP0076537A1 A method for the anaerobic fermentation of waste water |
| 04/13/1983 | EP0076397A1 Method for the safe removal of acid sludge obtained from petroleum fractions, and for its conversion particularly into solid fuel |
| 04/12/1983 | US4379763 Waste water treatment by chelation-gelation |
| 04/05/1983 | US4378886 Decomposition apparatus with reversible removal conveyor |
| 04/05/1983 | CA1144082A1 Process for combined waste utilization and the clarification of waste water and a multi-stage filtration device for the performance of the process |
| 03/23/1983 | EP0063572A4 Process for separating and recovering oprganic and inorganic matter from waste material. |
| 03/22/1983 | USRE31185 Process and apparatus for dehydrating waste solids concentrates |
| 03/22/1983 | US4377486 Acidification, oxidation to rupturing cellular structures |
| 03/08/1983 | US4376022 Method and apparatus for concentrating an aqueous sludge by electro-osmosis |
| 03/08/1983 | US4375986 Process for treating liquids wastes possessing a strong acidity |
| 03/02/1983 | EP0072885A1 Process for the decontamination of natural and technical sludges |
| 03/01/1983 | CA1141943A1 Process and equipment for the extraction of solid material from liquid containing solids granulated by heat effect |
| 02/22/1983 | US4374794 Process for the preparation of a liquid-absorbing and shock-absorbing material |
| 02/22/1983 | US4374735 Method for removal of oil from sorbents using glycolipids |
| 02/15/1983 | CA1141489A1 Process for reabsorption and retention of phosphorous by activated biomass |
| 02/03/1983 | WO1983000323A1 Anaerobic fermentation |
| 01/25/1983 | US4370464 Cationic polymer flocculant |
| 01/25/1983 | US4370235 Method of treating excess sludge |
| 01/25/1983 | US4370233 Chemical detoxification of sewage sludge |
| 01/25/1983 | CA1140281A1 Method for dewatering the sludge layer of an industrial process tailings pond |
| 01/25/1983 | CA1139940A1 Apparatus for producing water granulated slag |
| 01/18/1983 | US4369194 Process for treating manures |
| 01/18/1983 | US4369115 Mixing waste with oxygen in a wet oxidation process |
| 01/18/1983 | CA1139566A1 Process of converting polluting particles emitted in chemical or physical processes, into harmless substances |
| 01/05/1983 | EP0068916A1 Process and installation for the treatment of sludge originating from waste water purification |
| 01/04/1983 | US4367141 Apparatus for the concentration of sludges and suspensions |
| 01/04/1983 | US4367132 Method for removing liquid from chemically-precipitated sludge |
| 01/04/1983 | CA1138931A1 Prevention of electrode fouling |
| 12/29/1982 | EP0067959A2 Transportable apparatus for treating used emulsions, solutions and waste waters |
| 12/22/1982 | EP0067647A1 Cationic polymer flocculant |
| 12/21/1982 | CA1137899A1 Cellulose fermentation process |
| 12/14/1982 | CA1137659A1 High solids mixture aeration method |
| 12/14/1982 | CA1137657A1 Method for sewage treatment with bacteria |
| 12/08/1982 | EP0066220A1 Composting apparatus |
| 12/07/1982 | CA1136830A1 Conversion of extraction residues originating from phosphoric acid decontamination to solid deposition products |
| 11/30/1982 | US4361505 Process for treating radioactive waste |
| 11/30/1982 | US4361100 Procedure and installation for the incinerating of sludge |
| 11/30/1982 | CA1136383A1 Separation of an aqueous solution by the improved vacuum freezing high pressure ice-melting process |
| 11/16/1982 | CA1135729A1 Treatment of hazardous waste |
| 11/10/1982 | EP0064279A1 Process and apparatus for the treatment of sludge originating from chemical purification of waste water |
| 11/09/1982 | US4358381 Sewage treatment |
| 11/03/1982 | EP0063821A1 A process for the treatment of sulfide containing waters |
| 11/03/1982 | EP0063572A1 Process for separating and recovering oprganic and inorganic matter from waste material. |
| 11/02/1982 | CA1134965A1 Method and equipment for processing of organic materials containing nitrogen compounds |
| 10/26/1982 | US4356269 Plant for the production of methane |
| 10/26/1982 | CA1134310A1 Method for surcharging with sand the sludge layer of a tar sands tailings pond |
| 10/19/1982 | US4354936 Anaerobic digestion process |
| 10/19/1982 | CA1134095A1 Air-drying process |
| 10/13/1982 | EP0062543A1 Improved physical-chemical waste treatment method and apparatus |
| 09/28/1982 | US4351729 Biological filter and process |
| 09/28/1982 | CA1132335A1 Method for processing wastes resulting from production of phosphorus, namely, slime and off-gases, with utilisation of the resultant products |
| 09/21/1982 | US4350599 Process for treatment of caustic waste liquors |
| 09/21/1982 | US4350598 Oil in calcium hydroxide |
| 09/14/1982 | US4349435 Control of anaerobic filter |