Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 11 - Treatment of sludge; Devices therefor
Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
10/2003
10/23/2003WO2003086673A1 Method and device for removing harmful substances
10/23/2003US20030196969 Sludge stripping process and system
10/22/2003EP1354940A2 Process and apparatus for conversion of biodegradable organic materials into product gas
10/22/2003EP1353880A2 Method and apparatus for drying and incineration of sewage sludge
10/22/2003CN2581442Y Gravity setting concentration extruding equipment for residual liquid
10/22/2003CN2581441Y Vertical pipe bundle mud digesting device
10/22/2003CN1450005A Method for treating waster water of cane mill by biological bacteria
10/21/2003US6635796 By converting to low-temperature phosphatic apatite type that are insoluble, nonleachable, nonzeolitic and pH stable, by contacting with a halide, sulfate, hydroxide, or silicate source and phosphate ion
10/21/2003US6635754 Cellulose particles, method for producing them and their use
10/21/2003US6635178 Pathogen inactivation in biosolids with cavitation
10/21/2003US6634508 Screw press
10/16/2003US20030192834 Wet oxidation of nitrogen oxides using hydraulic down- and updraft columns
10/16/2003US20030192831 Sewage treatment by exposing waste to intense alternating mechanical field, at sonic and/or ultrasonic frequencies; cavitation along spiral-shaped paths between rotating disks; adding alkaline material
10/15/2003EP1352123A1 A process for recovering inorganic material from deinking sludge
10/15/2003EP1352042A2 Biomass gasification system and method
10/15/2003EP1351892A2 Method for accelerating biocatalytic and/or hormonal processes and use of the same
10/15/2003EP1351891A1 Method for utilising a waste slurry from silicon wafer production
10/15/2003CN2579890Y Anti-block device for centrifugal sieve seam
10/15/2003CN1449323A Method for managing ready-mixed concrete sludge
10/15/2003CN1448350A Method and device for biological treatment and regenerative utilization of urban night soil and domestic waste water
10/15/2003CN1124235C Method for treating dreg containing arsenic
10/14/2003US6632973 Detoxification of solutions of dioxin with oxidation catalysts Introducing a liquid containing dioxins and/or PCBs, and oxygen containing gas to a reactor in which catalyst exists, and conducting wet-oxidation reaction under liquid phase
10/09/2003WO2003082753A1 Method and device for destroying cellular structures in waste water and sludge in biological sewage works
10/09/2003WO2003053863A8 Separation processes and apparatus
10/09/2003US20030189012 Organic substances are converted to gases capable of being incinerated to provide energy or to gases capable of being released into the atmosphere without danger
10/09/2003US20030189008 Process for treating liquid septage and biosolids
10/09/2003US20030189007 De-watering process
10/09/2003US20030189006 Waste water treatment process and apparatus for animal processing contaminant removal
10/08/2003EP1350778A1 Method for treating sludges from waste water treatment plants
10/08/2003CN2578328Y GFRP methane tank
10/08/2003CN2578327Y Unitary float-cover style marsh gas generator
10/08/2003CN2578320Y Hydrolystic aerobic treating apparatus with internal circulation
10/08/2003CN2577981Y High frequency excited vibration screen for recovering fine coal from coal dust water in coal washery
10/08/2003CN1447838A Polymeric compsns. for dewatering sewage sludges
10/08/2003CN1447087A Cyclone hot air drier
10/08/2003CN1446777A Organic fertilizer prepared by using sewage sludge
10/08/2003CN1446469A Process for producing koji feed composns. by utilizing oils
10/08/2003CN1123540C Method for repairing environment
10/02/2003WO2003065796A3 Coated clumping litter
10/02/2003WO2003008120A3 Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances
10/02/2003WO2002083258A3 Treatment of suspensions with a flocculation system comprising a non-ionic polymer and a cationic polymeric flocculant
10/02/2003US20030186425 Muscodor culture for use in generation of fungicidal, bactericidal, insecticidal and nematocidal compositions for biological pest control
10/02/2003US20030185733 Oxidising "organics" in precious metal organic compositions such as heterogeneous Pt/C or homogeneous precious metal catalysts and producing a precious metal oxide with few by-products and low losses of precious metal.
10/02/2003US20030183516 Device for decontamination of water
10/02/2003DE20311155U1 Sand liberated of fine organic sedimentary particles by injection of compressed air into the base of stainless steel container generating vortices
10/01/2003CN2576710Y Combined multi-stage clearing digestion tank
10/01/2003CN1445182A Sludge treatment method using sludge pretreatment and film bioreactor
10/01/2003CN1445174A Dirty water synthesizing treatment system and method
10/01/2003CN1445171A Dross removal type sewage treatment method and its device
10/01/2003CN1445031A Recycling handles method for dirty mire containing heavy metals
09/2003
09/30/2003US6627719 Interpolymer of a cationic monomer, a hydroxyalkyl (meth)acrylate and, optionally, a nonionic monomer
09/25/2003WO2003078335A1 Process for sludge treatment using sludge pretreatment and membrane bioreactor
09/25/2003WO2003035558A3 Fixed-film anaerobic digestion of flushed manure
09/25/2003US20030178372 Pretreatment with thickener
09/25/2003US20030178371 Polymeric compositions for dewatering sewage sludges
09/25/2003US20030178364 Comprises return pipe for sending sludge back to pretreatment reactors (for ozone/thermal/alkaline treatment)
09/24/2003EP1347236A1 Waste-gasified fusion furnace and method of operating the fusion furnace
09/24/2003EP1346971A1 Production method for biarylalanine
09/24/2003EP1346956A1 Process for sludge treatment using sludge pretreatment and membrane bioreactor
09/24/2003EP1345680A1 Wet process or ozonizing oxidation method
09/24/2003EP1090151B1 Process for separation of heavy metals from residues by use of of ethylenediamine-disuccinic acid (edds) complexant
09/24/2003CN2575094Y Arc shape steel wire cutting steel fiber
09/24/2003CN2574793Y Automatic control device of roller mill emergency stop
09/24/2003CN1444505A Reuse of used cooking oil adsorbants
09/24/2003CN1443717A Quick treatment system of food domestic refuse as resource and its method
09/24/2003CN1443507A Water-saving ecological closet
09/23/2003US6623650 Processes and apparatus for treating sewage or like sludge
09/18/2003WO2003076351A1 Method for treatment of sewage plant sludges by a fungal process
09/18/2003WO2003076349A2 Plant and method for the disposal of zootechnical sewage
09/18/2003US20030173263 Waste treatment process
09/17/2003EP1343729A1 Microbiological composition
09/17/2003EP0813502B1 Electrocoalescent system for decontaminating water streams
09/17/2003CN2573489Y Sewage and methane collecting and discharging pipe
09/17/2003CN2573103Y Open refuse treating vehicle
09/17/2003CN1443141A Method for processing lignocellulosic material
09/17/2003CN1442393A Method of producing composite organic fertilizer using city sludge
09/17/2003CN1442378A Sewage treatment plant sludge harmless sintering treatment method
09/16/2003US6620396 Method of removing phosphorus from sludge
09/16/2003US6618957 Method and apparatus for microwave utilization
09/12/2003WO2003074425A1 Treatment of a titanium tetrachloride-containing waste stream
09/12/2003WO2003029152A3 Method and device for purifying wastewaters
09/12/2003CA2478105A1 Treatment of a titanium tetrachloride-containing waste stream
09/11/2003US20030168412 Process for treating a solid-liquid mixture
09/10/2003EP1341728A1 Sludge inerting method
09/10/2003CN2571751Y Rolling pressing type mud dewaterer
09/10/2003CN2571470Y Double-stage devulcanizer for marsh gas
09/09/2003US6616844 Anaerobic ammonium oxidization; denitrification via activated microorganisms within soil/livestock wastewater
09/04/2003WO2003072622A1 Water-soluble copolymer, polymeric flocculant, and method of dehydrating sludge
09/04/2003WO2003072514A1 Method for sanitizing an organic residue by an increase in ph value and/or temperature
09/04/2003WO2003071866A1 Organic absorbent material
09/04/2003CA2476692A1 Organic absorbent material
09/03/2003EP0968138B1 A method for treating sludge from wastewater treatment
09/03/2003CN2570267Y Centrifugal type microwave dehydrating and sterilizing plant
09/03/2003CN1440369A Apparatus and method for high speed dewatering of slurries
09/02/2003CA2252917C Process for the recycling of residues for the production of portland cement clinker
08/2003
08/28/2003WO2003070650A1 Method of recycling sludge from systems used to treat waste water and wood fly ash
08/28/2003WO2003050046A8 Method and device for drying sludge, particularly sewage sludge
08/28/2003WO2003043939A3 Method and apparatus for the treatment of particulate biodegradable organic waste
08/28/2003WO2002100501A3 De-sludging device and method for de-sludging a liquid
08/28/2003WO2002031104A3 Garage shaped biogas fermenter for the methanisation of biomasse
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