Patents for C02F 11 - Treatment of sludge; Devices therefor (21,423)
12/2003
12/17/2003EP1371612A1 Device for the treatment of industrial, urban, agricultural or petrochemical effluents by wet oxidation
12/17/2003EP1370803A1 Method and treatment of sludge having particles comprising metal, metal oxide or metal hydroxide intermixed therein
12/17/2003CN2592641Y Sludge thichening and dewatering equipment
12/17/2003CN2592640Y Fecal treatment reactor
12/17/2003CN2592639Y Membrane-mud method anaerobic reactor
12/17/2003CN1131291C Process for aggregating and separating ash in oily mud of oil refinery
12/17/2003CN1131180C Electrical sludge-dewatering equipment with horizontal electric field
12/16/2003US6663783 With facilitated flocculation
12/11/2003US20030226803 Using ozone and base; supplying ultraviolet radiation; anaerobic digestion tanks
12/11/2003DE20220610U1 Sludge de-watering process is maintained in a steady state by regulated admixture of solvent and polymer active ingredient
12/10/2003EP1368503A2 Method for increasing the dry residue in processed cyclone dust
12/10/2003CN1460574A Slurry cyclic method
12/10/2003CN1460562A High-effective environment-protecting harmless refuse treatment method
12/10/2003CN1460423A Production method of straw and stalk microbial fermented feed
12/09/2003US6660518 Two-phase type methane fermentation reactor
12/09/2003US6658996 Apparatus for processing food waste
12/04/2003WO2003099728A1 Method for treatment of sludge from waterworks and wastewater treament plants
12/04/2003WO2003099722A2 Method for cooling or heating material flows
12/04/2003US20030221361 Liquid fuel from agricultural waste which may be animal manure, includes admixing agricultural waste with at least one material selected from the group consisting of hydrogen gas and water, at elevated pressure heating a mixture
12/03/2003EP1366831A1 Method and system for treating organic matter utilizing substance circulation system
12/03/2003CN2589474Y Integrated anaerobic reactor and gas tank apparatus
12/03/2003CN2589472Y Roof board of sewage and solid waste anaerobic high capacity processing pool
12/03/2003CN1460166A Regenerative thermal waste incineration system
12/03/2003CN1459439A City sludge biofertilizer
12/03/2003CN1459437A Method of making organic inorganic composite fertilizer by acidification method treating city sludge
12/03/2003CN1129564C Process for preparing fertilizer by non-harmful treatment, fermentation and hydrolysis of sludge excrement and urine
12/02/2003US6656436 In situ generation of high concentration of active species in supercritical medium; sedimentation without adhesion to walls
12/02/2003US6656359 Slurry effluent agglomerated grains are crushed using a mill, ultrasonic oscillation, or pressurized circulation
12/02/2003US6656357 Wastewater treatment
11/2003
11/27/2003WO2003097703A1 A water-soluble polymer dispersion and a method of producing a water-soluble polymer dispersion
11/27/2003WO2003097231A1 Method for drying a product using a regenerative adsorbent
11/27/2003US20030220055 Slurry recycling method
11/26/2003EP1365003A1 Method for shutting down a device for disposal and utilisation of waste materials
11/26/2003EP1364916A1 Method of anaerobic digestion of organic and non organic waste to produce premium compost or recycled fuel
11/26/2003EP1363957A1 Cationic latex terpolymers for sludge dewatering
11/26/2003EP1363857A2 Methods and apparatus for biological treatment of waste waters
11/26/2003EP1060136B1 Method of dewatering slurries using leaf filters (filter presses)
11/26/2003CN2587874Y Circular heater for march gas pool
11/26/2003CN2587859Y Spiral axis free type multi-pipe circulation mud reducing apparatus
11/26/2003CN1458094A Comprehensively utilizing type environment protection toilet
11/26/2003CN1458093A Quick resourcelizing treating system and method by urine and extrement dirty mud microbiological fermentation
11/26/2003CN1458074A Waste water treating process for polymer oil displacing and producing system
11/26/2003CN1457939A Process for treating industrial heavy metal solid slag
11/26/2003CN1457917A Filtering method for colloidal solution
11/25/2003US6652757 Water pollution control
11/25/2003US6652752 Forming oil-in-water emulsion and adding bacterial culture that grows on petroleum hydrocarbons and nutrients
11/20/2003WO2003095374A1 Composition and method for sanitizing biogenic wastes
11/20/2003WO2003095081A1 Stirring and aerating device for activated sludges
11/19/2003CN1456852A Heat pump combined system with marsh gas as power source for heating and cooling
11/19/2003CN1456530A Production of red bricks from filtered mud of sugar production
11/19/2003CN1456518A Method and apparatus for treating sewage and recovering marsh gas
11/19/2003CN1128027C Process for treating silicon slag
11/13/2003WO2003093190A1 Treatment of hazardous waste material
11/13/2003WO2003093178A1 Organic slurry treatment process
11/13/2003WO2003092902A1 Material dewatering apparatus
11/13/2003WO2003092898A1 Method and apparatus for de-watering and particle disintegration of a material
11/12/2003EP1360151A1 Method and installation for the thermal hydrolysis of sludge
11/12/2003EP1360150A1 Apparatus and methods for separating liquids from solids
11/12/2003EP1360148A1 Water treatment plant with ballasted flocs and degreasing
11/12/2003EP1360013A1 Grinding and dewatering device for organic waste products
11/12/2003EP1289893B1 Device and method for treating a refuse material containing hydrocarbons
11/12/2003EP0906248B2 Optimised method for the treatment and energetic upgrading of urban and industrial sludge purifying plants
11/12/2003CN1454721A Oily waste residue alkaline treatment
11/12/2003CN1127455C Three-phase separation process for oil-mud in oil refinery
11/06/2003WO2003090894A1 Method and device for separating out dense materials
11/06/2003US20030207443 A harvesting device which is suitable for use with waste treatment apparatus of the type including an elevated main body supporting a base composed of a plurality of spaced-apart parallel support elements defining the bottom of a treatment
11/05/2003EP1358130A1 Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc
11/05/2003EP1200551B1 Biogas fermenter
11/05/2003CN1453230A Urban sludge dewatering and solidifying method
11/05/2003CN1453229A Method of treating urban domestic garbage with earthworm
11/05/2003CN1453077A Excrements treating method and apparatus for flush-free ecological toilet
11/04/2003US6641722 Centrifuging to concentrate silicone oil contaminated solids, then drying and forming a handleable, nondusty sludge cake
10/2003
10/30/2003WO2003089557A1 Refining process and apparatus
10/30/2003WO2003089379A1 Method for treating waste streams
10/30/2003WO2003089375A1 Apparatus for stock raising
10/30/2003WO2003089110A1 Solid-liquid separating device
10/30/2003US20030204024 For use in waste water treatment, especially sewage treatment
10/30/2003US20030201235 Fractional deionization process
10/30/2003US20030201233 Mixing with base; adjustment pH; flocculation; storage
10/30/2003US20030201226 Forming sludge from grease trap wastes; pasteurization
10/30/2003US20030201225 Organic slurry treatment process
10/30/2003US20030201220 Reducing nitrate concentration in aquarium water; using anaerobic process
10/30/2003CA2482710A1 Method for treating waste stream
10/29/2003CN2583099Y Sludge treatment power generating fertilizer producing equipment
10/29/2003CN2583098Y Methane receiving device
10/29/2003CN2583097Y Harmless treatment device of water closel feces
10/29/2003CN1452597A Method for treating waste by hydrothermal oxidation
10/29/2003CN1451495A Method for integrative use of industrial waste residue, stabilizing and solidifying treatment of electroplating mud
10/29/2003CN1451494A Kitchen refuse treating device
10/29/2003CN1451492A Waste treating device
10/29/2003CN1125790C Ceramics containing crystal of andalusite with rich aluminum content and manufacture thereof
10/28/2003US6638452 Clarified sludge pellets, still hot or warm due to thermal drying, are held at temperature in a sanitizer for a dwell time of at least 10 min and thus sanitized and additionally dried
10/28/2003US6638429 Sludge or manure, wherein in a mixer-drier (33) the watery substance to be processed, which may or may not be mechanically partly dewatered and/or preheated is mixed with zeolites of type A, which adsorb water from the watery
10/28/2003US6638427 Waste water treatment method being able to treat surface active agent, nitrogen, hydrogen peroxide and phosphor with high efficiency
10/23/2003WO2003086992A1 Clarifying sludge container with a device for sludge concentration
10/23/2003WO2003086991A1 Method and device for drying and gasifying sludge
10/23/2003WO2003086990A1 Method of treating organic wastewater and sludge and treatment apparatus therefor
10/23/2003WO2003086989A1 Method for the disintegration of sludge
10/23/2003WO2003086983A1 Waste water treatment process for animal processing contaminant removal
10/23/2003WO2003086977A1 Methods and apparatus for treating animal manure