| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
|---|
| 05/08/1979 | US4153411 Rotary sludge drying system with sand recycle |
| 05/02/1979 | EP0001697A1 Hydrophilic air-drying polymer |
| 05/01/1979 | US4152268 Arrangement for removing water from mud |
| 05/01/1979 | CA1053811A1 Sludge treating process |
| 05/01/1979 | CA1053567A1 Method and apparatus for drying liquid suspensions |
| 05/01/1979 | CA1053513A1 Treatment of waste liquid and apparatus therefor and a fertilizer composition obtained thereby |
| 04/18/1979 | EP0001499A1 Treatment and disposal of heavy metal containing sludge wastes |
| 04/18/1979 | EP0001426A1 Method for dehydrating catalyst waste containing copper |
| 04/17/1979 | US4149968 Bentonite and portland cements, encapsulation |
| 04/10/1979 | CA1052152A1 Method and an apparatus for dewatering a suspension |
| 04/03/1979 | CA1052021A1 Fixing agent of heavy metal |
| 03/27/1979 | US4146573 Solidified by adding certain quarternary ammonium salts |
| 03/27/1979 | US4146382 Aeration by forming tunnels |
| 03/27/1979 | CA1051566A1 Raw liquid waste treatment system and process |
| 03/20/1979 | US4145283 Wet oxidation |
| 03/20/1979 | US4145278 Method and apparatus for sewage treatment plants |
| 03/20/1979 | US4145248 Air drying process |
| 03/20/1979 | US4145087 System for hydraulically transporting solid material |
| 03/20/1979 | US4144807 Device for dewatering sludge |
| 03/20/1979 | CA1050940A1 Liquid sludge disposal |
| 03/13/1979 | US4144162 Fuller*s earth |
| 02/27/1979 | US4141829 Process for wet oxidation of organic substances |
| 02/27/1979 | US4141828 Oxidation with a supported metal catalyst |
| 02/27/1979 | CA1049472A1 Centrifuge for draining off sewage sludge |
| 02/20/1979 | US4140066 Thermal decomposition of polychlorinated organic compounds |
| 02/20/1979 | CA1048854A1 Method for dewatering sludge |
| 02/13/1979 | US4139640 Method of effecting the aerobic thermophilic decomposition of organic waste materials |
| 02/13/1979 | US4139461 Removal of solids from a wet oxidation reactor |
| 02/13/1979 | CA1048291A1 Process for treating sewage sludge and fertilizer products thereof |
| 02/06/1979 | US4138333 Waste material digesters |
| 01/30/1979 | US4136998 Process for the disposal of the residue of the exhaust gas washers of furnaces in particular bituminous coal power stations |
| 01/23/1979 | US4135965 Process and apparatus for the treatment of liquids containing solid particles |
| 01/23/1979 | US4135908 Method of and apparatus for aerobic decomposition of organic solids |
| 01/16/1979 | US4134820 Electrophoretic |
| 01/16/1979 | CA1046661A1 Removal of nitrogen from waste waters |
| 01/10/1979 | EP0000230A1 Process for the biological purification of waste water |
| 01/09/1979 | US4133273 System for the disposal of sludge, hazardous and other wastes |
| 01/09/1979 | CA1046008A1 Waste material handling system |
| 01/02/1979 | US4132640 Process for the hygienic elimination of sewage containing salt-containing organic substances |
| 01/02/1979 | US4132638 Aerobic, thermophilic degradation with enzyme addition |
| 01/02/1979 | US4132558 Process for treating a sludge or drainage containing chromium (VI) compounds with a solidifying agent |
| 12/26/1978 | US4131546 Method and apparatus for removing filterable substances from a liquid |
| 12/19/1978 | CA1044590A1 Freeze-thaw method for reducing mineral content of a clay-water mixture |
| 12/05/1978 | US4128477 Method for the treatment of sea discharged sewage |
| 12/05/1978 | CA1043837A1 System for hydraulically transporting solid material |
| 11/28/1978 | US4127383 Lignosulfonate |
| 11/14/1978 | US4125465 Coagulation with mineral, mechanical dehydration |
| 11/14/1978 | CA1042570A1 Warm sludge digestion with oxygen |
| 11/14/1978 | CA1042225A1 Process for conditioning sewage sludge |
| 11/07/1978 | US4124505 Redox potential |
| 10/31/1978 | US4123426 Process for decomposing microbial cells |
| 10/24/1978 | US4121349 Organic waste drying process |
| 10/24/1978 | CA1041233A1 Process for the dehydration of fatty sludge and the recovery of chemicals |
| 10/24/1978 | CA1041127A1 Method of rendering waste substances harmless |
| 10/17/1978 | US4120792 Combined filter and incinerator |
| 10/10/1978 | US4119538 Treatment of waste liquid and apparatus therefor and a fertilizer composition obtained thereby |
| 10/10/1978 | US4119495 Method for processing activated sludge into useful products |
| 10/03/1978 | CA1039863A1 Method and apparatus for treating organic sludge |
| 09/26/1978 | USRE29783 Hardenable calcium sulfo-aluminate hydrates |
| 09/26/1978 | US4116830 Method of treating wet-washed silica dust |
| 09/26/1978 | CA1039143A1 Composition and method for dispersing high molecular weight polymers in water |
| 09/19/1978 | US4114753 Sludge film conveying device |
| 09/12/1978 | US4113552 Elutriation leg and method |
| 09/12/1978 | US4113504 Disposal of heavy metal containing sludge wastes |
| 09/12/1978 | US4113446 Organic material reacted with water |
| 09/05/1978 | US4112033 Bricks |
| 09/05/1978 | US4111800 Carbonization, alkali metal meta aluminate |
| 08/29/1978 | US4110212 With acidic ferrous salt |
| 08/15/1978 | CA1036721A1 Method for treating organic sludge |
| 08/08/1978 | US4105558 Apparatus for draining of muddy liquids |
| 07/25/1978 | US4102277 Reaction to form calcium sulfate, pollution control |
| 07/18/1978 | US4101679 Cellulose fermentation process |
| 07/18/1978 | US4101400 Method for dewatering sludge |
| 07/18/1978 | US4100730 Regulation of a wet air oxidation unit for production of useful energy |
| 07/11/1978 | US4100070 Apparatus for use in water purification particularly sewage treatments |
| 06/27/1978 | US4097378 Heat exchange |
| 06/13/1978 | US4094780 Recovering copper catalyst |
| 06/13/1978 | US4094773 Process for sewage treatment with countercurrent heat transfer means |
| 06/13/1978 | US4094740 Preparation of liquid fuel and nutrients from solid municipal waste |
| 06/06/1978 | US4093516 Concentration, hydrolysis and saccharification, fermentation, distillation |
| 06/06/1978 | US4093505 Method and apparatus for heating and removing moisture from watery material |
| 05/30/1978 | US4092247 Establishing a vacuum on porous support, compressing |
| 05/30/1978 | US4091635 Apparatus for concentrating a feed stream |
| 05/09/1978 | US4087922 Production of homogeneous mixtures of dry material |
| 04/25/1978 | US4086164 Method of disposing of waste water containing emulsified oil |
| 04/25/1978 | US4085887 Centrifuge for draining off sewage sludge |
| 04/25/1978 | US4085689 Fibrous filter incinerator |
| 04/04/1978 | US4082671 Sludge thickening apparatus |
| 04/04/1978 | US4082227 Slurry mixer and spreader |
| 03/28/1978 | US4081366 Process for dewatering organic waste product |
| 03/28/1978 | US4081365 Methods for use in water purification particularly sewage treatments |
| 03/21/1978 | US4080427 Method of desulfurizing exhaust gases by wet lime-gypsum process |
| 03/21/1978 | US4079585 Method and apparatus for removing volatile fluids |
| 03/14/1978 | US4079003 Method of transforming sludge into ecologically acceptable solid material |
| 02/28/1978 | US4076620 Adding lime, treating with carbon dioxide, settling, burning |
| 02/28/1978 | US4076515 Removal of ammonia |
| 02/14/1978 | US4073242 Sewage sludge disposal |
| 02/07/1978 | US4072608 Polluted water purification |
| 01/31/1978 | US4071448 Formaldehyde, heating in oxygen, decomposition, nontoxic products |
| 01/31/1978 | US4071447 Dewatering of wastewater treatment wastes |