Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
10/2005
10/19/2005CN1684913A Wastewater treatment method by membrane bioreactor
10/19/2005CN1683263A Continuous stirring biological leaching reactor and its biological leaching method
10/19/2005CN1683262A Method for treating waste oil sludge, treating device and use of its products
10/19/2005CN1683091A Waste processing method and waste processing apparatus
10/19/2005CN1223545C Sintered brick produced by using paper-making sludge of waste paper and its preparing method
10/19/2005CN1223527C Brick mould clamping apparatus and its pond building method
10/18/2005US6955796 Process for total environmental remediation of a phosphorus contaminated site
10/13/2005WO2005095292A1 Process for the dewatering of aqueous suspensions
10/13/2005WO2005095291A1 Dewatering process
10/13/2005WO2005095286A1 Dewatering process
10/13/2005US20050224008 Coated clumping litter
10/13/2005CA2558143A1 Dewatering process
10/13/2005CA2558092A1 Dewatering process
10/13/2005CA2557802A1 Process for the dewatering of aqueous suspensions
10/12/2005EP1584672A1 Methods and systems for converting waste into energy
10/12/2005CN2732735Y Multi-stage magnetized squeezing dehydrator
10/12/2005CN2732734Y Methane tank with liner
10/12/2005CN2732733Y Methane tank for urban residential areas
10/11/2005CA2192388C Dewatering of suspensions
10/06/2005WO2005093013A1 Process for fuel production and fuel production apparatus
10/06/2005WO2005092469A1 System and method for recovering oil from a waste stream
10/06/2005US20050220769 Novel endophytic fungi and methods of use
10/06/2005US20050218087 System and method of converting animal wastes to energy and useful by-products
10/06/2005US20050218077 Method for processing hydrolasing wastewater and for recycling water
10/06/2005US20050218056 Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc
10/06/2005US20050217224 Material dewatering apparatus
10/06/2005US20050217204 Membrane cover having a protective layer to prevent deterioration of UV stabilizers therein
10/06/2005US20050217134 Biomass converters and processes
10/06/2005DE19703018B4 Anaerobic fermentation of clarifier sludge - by physical-chemical de:flocculation of the sludge
10/06/2005DE10221533B4 Eindickvorrichtung für ein Feststoff/Flüssigkeit-Gemisch Thickener for a solid / liquid mixture
10/06/2005CA2556231A1 System and method for recovering oil from a waste stream
10/06/2005CA2503256A1 Membrane cover having a protective layer to prevent deterioration of uv stabilizers therein
10/05/2005EP1450928A4 Methods of using modified natural products as dewatering aids for fine particles
10/05/2005EP1448306A4 Methods of increasing flotation rate
10/05/2005EP1406711A4 Methods of using natural products as dewatering aids for fine particles
10/05/2005EP1333905A4 Methods of enhancing fine particle dewatering
10/05/2005CN2730871Y Composite wave glass fibre reinforced plastic cesspool
10/05/2005CN2730870Y Marsh gas fermentation tank
10/05/2005CN2730869Y Assembling type marsh gas pool
10/05/2005CN2730868Y Integrated cesspool
10/05/2005CN2730867Y Moveable mud treatment device
10/05/2005CN1678537A Method of reducing volume of sludge and apparatus therefor
10/05/2005CN1676314A Solid-liquid separator
10/05/2005CN1221481C Method for preventing and controlling sand by utilizing urban organic wastes
10/04/2005US6951616 pulse generated bubbles having a critical diameter prior to implosion that is greater than the first distance and the second distance to prevent imploding bubbles from being disposed in the first and second gaps
10/04/2005CA2158574C Sludge treatment system
09/2005
09/29/2005WO2005090264A1 Process and apparatus for compost production
09/29/2005WO2005089906A1 Apparatus for concentrating methane gas
09/29/2005WO2005073136B1 Night-soil treatment apparatus
09/29/2005US20050211636 Methods and systems for converting waste into energy
09/29/2005DE202004008034U1 Waste water plant sedimentation tank has floating sludge extraction unit, with channel including buoyancy volumes and pivoting about an axis
09/29/2005DE19636795B4 Vorrichtung und Verfahren zum Mischen und Trocknen von Schlickstoffen Device and method for mixing and drying of materials Schlick
09/29/2005DE10311554B4 Vorrichtung zum Trocknen von Klärschlamm An apparatus for drying sewage sludge
09/29/2005CA2502638A1 Methods and systems for converting waste into energy
09/28/2005EP1578910A2 Nitrilases
09/28/2005EP1578696A1 Waste activated sludge anaerobic contact waste stream treatment process
09/28/2005CN1675369A Production of a fermentation product
09/28/2005CN1673131A Three-sectional low temperature sludge drying and pelletizing system
09/28/2005CN1673130A Integrated inner circulating mud concentrating and digesting reactor
09/28/2005CN1673129A Bayer process of improving red mud matrix
09/28/2005CN1673125A Harmless oil field mud and sand treating method and apparatus
09/28/2005CN1220559C Technique of two steps of anaerobic digestion for handling city garbage
09/22/2005WO2005087343A1 Method of compacting a slurry by pressure filtration
09/21/2005EP1577269A1 Zeolite in biogas winning
09/21/2005EP1575880A1 Method and device for treating raw manure
09/21/2005EP1575875A1 High pressure process and apparatus for the electrocoagulative treatment of aqueous and viscous fluids
09/21/2005CN1671628A Processes for the treatment of a waste material having a high ph and/or alkalinity
09/21/2005CN1671627A Fluid processing apparatus
09/21/2005CN1669973A Sludge solidification treatment framework construction method
09/21/2005CN1669961A Sludge burning treatment method and system
09/21/2005CN1669960A Process for treating thick oil sludge
09/21/2005CN1669959A Method for treating waste sludge in wiring board plant into resources
09/21/2005CN1669950A Integrated treatment process for urban sewage and domestic refuse
09/20/2005CA2353034C Treatment of water containing organic wastes with ammonium nitrate
09/20/2005CA2352039C Treatment of water containing organic wastes with ammonium nitrate
09/15/2005WO2005085143A1 A method for sewage sludge treatment by using circulating fluidized bed combustion
09/15/2005WO2005085142A1 Improved modified substrate for removing aqueous oxyanions
09/15/2005WO2005061395A9 High pressure process and apparatus for the electrocoagulative treatment of aqueous and viscous fluids
09/15/2005US20050199557 of lipids, proteins, carbohydrates, mineral oils, vegetable oils, waxes, hydrocarbons to give oxidation products (acetic acid, formic acid, carbon dioxide) in the vapor phase; continuous vapor removal; treatment of industrial waste; lowering the chemical oxygen demand (COD)
09/15/2005US20050199547 From biological oxidation and sewage water treatment by adjusting pH to 8-14, heating to 110-250 degrees C at pressure equal to or higher than saturated steam pressure to solubilize sludge to a readily biodegradable state, returning sludge to the biological oxidizing tank, and adjusting the pH to 5-9
09/15/2005US20050199499 Electrodes create current for dehydration and decontamination of compacted sludge
09/15/2005CA2559074A1 Improved modified substrate for removing aqueous oxyanions
09/14/2005EP1572841A1 Method of manure slurry treatment
09/14/2005CN1668539A Method and facility for treatment of sludge derived from biological water purification facilities
09/14/2005CN1668538A Extinction type biological treatment machine for organic garbage
09/14/2005CN1668379A Material dewatering apparatus
09/14/2005CN1668368A Method for producing aqueous suspensions of mineral fillers, thus obtained aqueous suspensions of mineral fillers and the use thereof
09/14/2005CN1666965A Waste mud dewatering device
09/14/2005CN1666964A Six-layer preparation interlocked-operation methane fermentation system for changing egesta to commodity
09/13/2005US6942904 Dry end surface treatment using ultrasonic transducers
09/13/2005US6942801 Clogging of the supply line for oxygen-containing gas is prevented and the digestion can be performed efficiently in a steady manner over a prolonged period of time.
09/09/2005WO2005082796A2 Installation and method for the treatment of sewage sludge, and membrane unit
09/09/2005WO2005082795A1 Sludge elimination system
09/09/2005WO2005082784A1 Isothermal gas-free water distillation
09/09/2005CA2594799A1 A membrane unit and equipment for wastewater clarification with a membrane unit and a method for the operation of such equipment
09/08/2005US20050194323 coagulating agent and/or a flocculating agent, or both, are added to the emulsified waste stream to accelerate separation into an aqueous stream and a thickened emulsified stream
09/08/2005US20050193902 Solid-liquid separator
09/07/2005EP1571129A1 Method and system for processing biowaste
09/07/2005EP1501914A4 Refining process and apparatus
09/07/2005CN2723444Y Household simple methane pool in cuontryside