| Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423) |
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| 02/20/2002 | EP1180499A2 Process for transforming into humus an aqueous suspension of organic matter, especially sewage sludge |
| 02/19/2002 | CA2193823C Wet oxidation system |
| 02/14/2002 | WO2002012811A1 Method for drying paste-like materials |
| 02/14/2002 | WO2002012138A1 Installation and method for purifying waste water or effluents in particular industrial |
| 02/14/2002 | WO2002012135A1 Waste treatment process |
| 02/14/2002 | WO2002012134A1 Method for treating organic waste water |
| 02/14/2002 | US20020019045 Composting system |
| 02/13/2002 | CN1335802A Screw press |
| 02/13/2002 | CN1335275A Caustic sludge effluent treating process |
| 02/13/2002 | CN1335267A High-concentration industrial effluent treating method with coal slime |
| 02/12/2002 | US6346240 Methods of treating animal waste slurries |
| 02/12/2002 | US6346197 Water and wastewater treatment system and process for contaminant removal |
| 02/07/2002 | DE10036043A1 Second biological stage for water purification replacing chemical removal of phosphorus and nitrogen compounds comprises adding phytoplankton which is then killed by irradiating with UV, removed by sedimentation and composted |
| 02/05/2002 | US6344142 Sludge settled in a settling tank is returned into a return sludge reaction tank having a settling section in its rear portion; unreacted chemicals contained in returned sludge can be utilized and not discharged as sludge. |
| 01/31/2002 | WO2001043893A3 Treatment and disposal of ship bilges |
| 01/31/2002 | WO2001040318A3 Method for making hydrophobically associative polymers, methods of use and compositions |
| 01/30/2002 | EP1175376A1 Process and apparatus for the conversion of carbonaceous materials |
| 01/30/2002 | EP0870066B1 Method and facility for reprocessing waste |
| 01/30/2002 | CN1333188A Treatment for waste water containing organic waste by ammonium nitrate |
| 01/30/2002 | CN1333187A Method for treating arganic waste water by ammonium nitrate |
| 01/30/2002 | CN1333092A Mud treating method |
| 01/24/2002 | WO2002006181A2 Manufacture of construction materials and products |
| 01/24/2002 | WO2002006024A1 Controlling ready mixed concrete sludge water |
| 01/24/2002 | US20020008060 Fine solids separator |
| 01/24/2002 | US20020008014 High voltage, pulsation power source |
| 01/23/2002 | EP1173719A1 Method for drying slurry, rinse water and industrial effluent and/or residues |
| 01/23/2002 | EP1173389A1 Method of treating waste water |
| 01/23/2002 | EP1173388A1 Method and device for sanitization of sludge in particular from purification plants |
| 01/23/2002 | CN2472828Y Feces treatment device |
| 01/23/2002 | CN1332043A Sewage treatment device |
| 01/23/2002 | CN1078187C Treatment of sewage sludge |
| 01/23/2002 | CN1078186C Process and appts. for treatment of sewage sludge |
| 01/17/2002 | WO2002004367A1 Method and installation for treating industrial, agricultural and urban or agricultural waste, in particular pig slurry |
| 01/17/2002 | WO2002004356A1 Method for dewatering municipal waste-activated sludge using high electrical voltage |
| 01/17/2002 | WO2001055033B1 Water and wastewater treatment system and process for contaminant removal |
| 01/17/2002 | WO2001012332A3 Methods and apparatus for sewage processing and treatment |
| 01/17/2002 | CA2382357A1 Method for dewatering municipal waste-activated sludge using high electrical voltage |
| 01/16/2002 | EP1172337A2 Treatment of water containing organic wastes with ammonium nitrate |
| 01/16/2002 | EP1172336A2 Treatment of water containing organic wastes with ammonium nitrate |
| 01/16/2002 | CN1330969A Decomposition treatment process for dioxine |
| 01/15/2002 | US6338799 Water treatment system at a sewage treatment plant in an anaerobic condition to release polyphosphate, substantially spherical calcium silicate hydrate as a seed crystal material |
| 01/15/2002 | CA2012517C Process for the insolubilization and agglomeration of wastes from fumes treatment |
| 01/10/2002 | WO2002002662A1 Structurally-modified polymer flocculants |
| 01/10/2002 | WO2001025156A8 Cationic polymers for sludge dewatering |
| 01/10/2002 | US20020003115 Method and apparatus for separating hydrocarbons from mineral substrates |
| 01/09/2002 | CN2470354Y Continuous marsh-gas generating tank |
| 01/09/2002 | CN1330752A Co.-combustion of waste sludge in municipal waste combustors and other smelting furance |
| 01/09/2002 | CN1330701A Gasification of biosludge |
| 01/09/2002 | CN1330045A Process for treating organic sewage |
| 01/09/2002 | CN1329948A Process for treating huge garbage stack |
| 01/09/2002 | CN1077459C Method and device for crushing waste material in water |
| 01/03/2002 | WO2002000572A1 Composting system |
| 01/02/2002 | EP1165402A1 Rosette having radially deflectable finger ends for holding disc shaped elements |
| 01/02/2002 | EP1112971A4 Method for producing a sulphur-free liquid organic fuel |
| 01/02/2002 | CN1328974A Device and method for treating feces, kitchen sewage and domestic sewage |
| 01/02/2002 | CN1328973A Circulating fecal treatment device and method |
| 01/01/2002 | US6335192 Apparatus for use in polution control and bioremediation |
| 12/27/2001 | WO2001098217A1 Physico-chemical method for eliminating toxic and/or precious heavy metals contained in urban, industrial sludge and liquid animal manure |
| 12/26/2001 | CN2467513Y Water sealed constant pressure marsh gas storage container |
| 12/26/2001 | CN1076629C Dewatering process |
| 12/25/2001 | US6333190 Recovering and composting materials; line space with layer of flexible liquid-impermeable material, provide starting bed, press against fixed ceiling, compost, convey separated liquid from composting apparatus |
| 12/25/2001 | US6332986 Treatment of water containing organic wastes with ammonium nitrate |
| 12/20/2001 | US20010052501 Method of clarifying water using low molecular weight cationic dispersion polymers |
| 12/19/2001 | CN1326900A Flurine ion removing agent and method for treating flurine ion containing waste water using it |
| 12/19/2001 | CN1326821A Process for treating silicon slag |
| 12/13/2001 | WO2001064587A3 Method and unit for achieving highly effective oxidation treatments |
| 12/12/2001 | EP1161401A1 Aqueous dispersions |
| 12/12/2001 | EP1161400A1 Method and apparatus for treatment of organic matter-containing wastewater |
| 12/12/2001 | CN1325826A Process for dewatering air-floated sludge in water works |
| 12/12/2001 | CN1075958C Laminated spiral dewatering apparatus |
| 12/06/2001 | WO2001092167A1 Treatment of mineral materials |
| 12/06/2001 | WO2001058815A3 Method and device for drying liquid to damp substances which have already been subjected to preliminary dehydration |
| 12/06/2001 | DE10027326A1 Metal ions removed from nutrients by cavity-creating mixer field jet array using a combination of chemical and physical processes |
| 12/05/2001 | EP1160510A1 Device to inject sludge into an incinerator |
| 12/05/2001 | EP0958253B1 Method and apparatus for the continuous dehydration of sludge |
| 12/05/2001 | CN2463388Y Movable marsh gas recovery device with purifying function |
| 12/04/2001 | US6325935 System and method for reducing the pathogen concentration of sludge |
| 11/28/2001 | EP1157972A1 A method of processing oil-plant wastes |
| 11/28/2001 | CN1323664A Soil circulating process for treating garbage |
| 11/28/2001 | CN1075347C Method for treating pollutant from animal equipment |
| 11/27/2001 | US6322723 Reacting a mixture of magnesium, iron, aluminum, zinc, water and alkali metal salt |
| 11/22/2001 | WO2001087782A1 Paper-making sludge treating method and paper-making treating device |
| 11/22/2001 | US20010044566 Slurry of municipal sewage wastes is injected into underground formation at pressure sufficient to create and maintain fractures within, allowing degradation with potassium present; pollution control |
| 11/22/2001 | US20010042721 System and method for high speed dewatering of slurries |
| 11/22/2001 | DE10105608A1 Sprayer has regulating unit enabling material application time and duration to be set; application interval can be freely selected via regulating unit |
| 11/22/2001 | DE10022901A1 Mixing unit for supplying a filtration agent to a sludge suspension comprises a partially hollow shaft with a control element which governs the pressure in the chamber for the filtration agent |
| 11/21/2001 | EP1155749A2 A fine solids separator |
| 11/21/2001 | EP1154958A1 Method for conditioning sludge |
| 11/21/2001 | CN2460521Y Commercialization door-used methane tank |
| 11/21/2001 | CN2460520Y Test-type hydraulic anaerobic digestion device |
| 11/21/2001 | CN1322684A Method of eliminating nitrogenous matters from hydrazine hydrate saline-alkali mud |
| 11/20/2001 | US6319409 Adding polyamine cationic compound to coagulate; flocculation with polyacrylic acid; separation by flotation; digestion organic substances by activated sludge; settling, filtration |
| 11/20/2001 | US6319406 Adding biosolids to reduce biosludge volume; centrifuging, concentration and drying |
| 11/15/2001 | WO2001085628A1 Apparatus and method for high speed dewatering of slurries |
| 11/15/2001 | WO2001085627A1 Sludge treatment at a mesophilic temperature |
| 11/15/2001 | WO2001085305A1 Apparatus for electrodewatering |
| 11/15/2001 | WO2001055033A3 Water and wastewater treatment system and process for contaminant removal |
| 11/15/2001 | CA2408971A1 Apparatus for electrodewatering |
| 11/14/2001 | EP0929582B1 Cationic water-soluble polymer precipitation in salt solutions |
| 11/14/2001 | CN2459322Y One step method mud scraper agitating prilling machine |