| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 08/31/2005 | EP1567690A1 Electrocoagulation system |
| 08/31/2005 | EP1567689A1 Method for phosphatizing metal surfaces with improved phosphate recovery |
| 08/31/2005 | EP1567259A2 Apparatus and method for photocatalytic purification and disinfection of fluids |
| 08/31/2005 | EP1451115B1 Sewage treatment plant |
| 08/31/2005 | EP1224026A4 Process for the purification of wash water from the production of aromatic acids |
| 08/31/2005 | CN2721627Y Automatic water filter without power supply |
| 08/31/2005 | CN1662458A Method of purifying fischer-tropsch derived water |
| 08/31/2005 | CN1662457A Method of purifying fischer-tropsch derived water |
| 08/31/2005 | CN1662456A Method of purifying Fischer-Tropsch derived water |
| 08/31/2005 | CN1662455A Method of purifying Fischer-Tropsch derived water |
| 08/31/2005 | CN1662453A Radio frequency identification system for a fluid treatment system |
| 08/31/2005 | CN1662450A Method of purifying fischer-tropsch derived water |
| 08/31/2005 | CN1662449A Water purification system |
| 08/31/2005 | CN1660708A Method for preparing regenerative drinking water |
| 08/31/2005 | CN1660704A Technique for processing waste liquor from intaglio plate making |
| 08/31/2005 | CN1217070C Apparatus for extracting portable water from the environmental air |
| 08/31/2005 | CN1216815C Hospital sewage fully lenclosed treatment technology and integrated equipment |
| 08/31/2005 | CN1216814C Activation sterilizing method of activated water and production installation thereof |
| 08/31/2005 | CN1216813C Method and equipment for oil field waste water treatment |
| 08/31/2005 | CN1216812C Advanced treatment method for urban middle water as industrial recirculated cooling water |
| 08/30/2005 | US6936741 Process for working up the waste water obtained in the preparation of dinitrotoluene |
| 08/30/2005 | US6936177 Method for removing metal from wastewater |
| 08/30/2005 | US6936176 Transportable water treatment system |
| 08/25/2005 | WO2005077837A1 Wastewater treatment apparatus |
| 08/25/2005 | WO2005077835A1 System and method for treatment of industrial wastewater |
| 08/25/2005 | WO2005077490A1 Filter cartridge and manifold for a water purification system |
| 08/25/2005 | WO2005077335A1 Intravenous solution producing systems and methods |
| 08/25/2005 | US20050184011 Car wash water reclamation system |
| 08/25/2005 | US20050183999 Water treatment system |
| 08/24/2005 | EP1565918A1 Method for treating radioactive waste water |
| 08/24/2005 | CN2720094Y Well-washing vehicle for oil-field water-injection well |
| 08/24/2005 | CN2719840Y Water treating apparatus for treating DSD acidic waste water and dye intermediate waste water |
| 08/24/2005 | CN1659104A Methods for reducing boron concentration in high salinity liquid |
| 08/24/2005 | CN1657449A Sewage treatment system for public lavatory |
| 08/24/2005 | CN1657448A Recovering and using technology of water in electroplating |
| 08/24/2005 | CN1657447A Method for treating sawage generated by preparing carbide slag |
| 08/24/2005 | CN1657446A Method for treating sewage generated by preparing methyl salicylate and resource recorery by composite technology |
| 08/24/2005 | CN1215997C Water treating technology by reinforced membrane biological reactor |
| 08/24/2005 | CN1215996C High-concentration ammonia nitrogen waste water treatment method |
| 08/24/2005 | CN1215995C New process for treating waste water |
| 08/23/2005 | US6932910 filtering, pressurizing, transferring, washing, collecting, screeining, removing dirt particles, supplying screened wash solution to filters for recycling |
| 08/23/2005 | US6932909 Adding a scale control agent and an oxidizer and/or precipitating and settling the metals in hydroxide form |
| 08/23/2005 | US6932903 Ultraviolet-and-ozone disinfection apparatus having improvement on disinfection effect |
| 08/23/2005 | US6932889 Water treatment device and method |
| 08/23/2005 | CA2349572C In-transit water treatment system |
| 08/23/2005 | CA2233710C Cleaning compositions for oil and gas wells, lines, casings, formations and equipment and methods of use |
| 08/18/2005 | WO2005075367A1 The method of water treatment and the device for water treatment |
| 08/18/2005 | WO2005075358A1 Method for the purification, detoxification, and treatment of wastewaters, sludge, harbor mud, dock wastewaters, feces, liquid manure, and waste contaminated with radioactive materials from hospitals and labs, and installation for carrying out said method |
| 08/18/2005 | US20050178725 Apparatus and method for controlling biomass growth in suspended carrier bioreactor |
| 08/18/2005 | US20050178711 Quick change filter and bracket system with key system and universal key option |
| 08/18/2005 | US20050178708 Filtration and purification system and method therefor |
| 08/18/2005 | DE102004030482A1 Processing waste water from biogas fermentation, by ultrafiltration and reverse osmosis, with recycling of suspended sediment separated during ultrafiltration to the fermenter to increase biogas yield |
| 08/17/2005 | EP1562868A2 Treatment of a waste stream through production and utilization of oxyhydrogen gas |
| 08/17/2005 | EP1562867A1 Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent |
| 08/17/2005 | EP1562863A1 Method and device for purification of a liquid |
| 08/17/2005 | EP1446359B1 Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input |
| 08/17/2005 | EP1294645B1 Physico-chemical method for eliminating toxic and/or precious heavy metals contained in urban, industrial sludge and liquid animal manure |
| 08/17/2005 | CN2717944Y Ultrasonic membrane biological reaction oil-sewage treatment apparatus |
| 08/17/2005 | CN1656027A Water filter assembly |
| 08/17/2005 | CN1656024A Method for treatment of sludge from waterworks and wastewater treament plants |
| 08/17/2005 | CN1656023A Contaminant removal apparatus installation method |
| 08/17/2005 | CN1654375A Five-case integrated activated sludge iodide-removal and denitrogenation process |
| 08/17/2005 | CN1654374A Method for directly treating high temperature and high turbidity PVC mother liquor by using biologic filter |
| 08/17/2005 | CN1654373A Process for reusing sewage from flax degumming treatment |
| 08/17/2005 | CN1654372A Comprehensive utilization technology for swilling |
| 08/17/2005 | CN1654371A Tanning technology for treatment and reuse of waste chrome liquor of bate without discharge and its treatment device |
| 08/17/2005 | CN1654370A Process for treating industrial waste water from production of furfural |
| 08/17/2005 | CN1214996C Equipment for treating excrement and urine with compound microbes |
| 08/17/2005 | CN1214995C Decolouring method of printing and dyeing waste water |
| 08/16/2005 | US6929753 Coal bed methane wastewater treatment system |
| 08/11/2005 | US20050173320 Water filter assembly |
| 08/10/2005 | EP1561004A1 Apparatus for recycling of oil based drilling fluid contaminated with water. |
| 08/10/2005 | CN2716258Y Water treating device by reusing vehicle washing water |
| 08/10/2005 | CN1653004A Transportable water treatment apparatus |
| 08/10/2005 | CN1653003A Process for the removal of organic sulfur in wastewater including an oxidative pretreatment |
| 08/10/2005 | CN1653000A Methods and apparatus for treating animal manure |
| 08/10/2005 | CN1652858A Water filter assembly |
| 08/10/2005 | CN1651343A AZNdenitrification phosphorus oliminating sewage treatment method and device |
| 08/10/2005 | CN1651342A Fluid purification method and its device |
| 08/10/2005 | CN1213887C Washing and recycling unit and method for on-site washing of heavy machinery |
| 08/09/2005 | US6926826 Quick change filter and bracket system with key system and universal key option |
| 08/09/2005 | US6926821 Water treatment device with volumetric and time monitoring features |
| 08/09/2005 | CA2203317C Water treatment cartridge and base |
| 08/04/2005 | WO2005070833A1 Method for treating raw water containing hardly decomposable substance |
| 08/04/2005 | US20050171501 Intravenous solution producing systems and methods |
| 08/04/2005 | US20050167372 Systems for the removal of solids from fluids and methods of using the same |
| 08/04/2005 | US20050167363 passing diluents comprising water throught open-celled foams, to dissolve reagents and form concentrated solutions used in dialysis |
| 08/04/2005 | US20050167352 Filter cartridge and manifold for a water purification system |
| 08/04/2005 | DE19860568B4 Verfahren und Anlage zur Sanierung von Oberflächengewässern Method and apparatus for improvement of surface waters |
| 08/04/2005 | CA2552768A1 Method for treating raw water containing hardly decomposable substance |
| 08/03/2005 | CN2714558Y Device for treating waste water in coking by using waste gas |
| 08/03/2005 | CN2714556Y Sewage nutrient removing device for integrated circulating fluidized bed |
| 08/03/2005 | CN1649660A Swivelling filter head assembly |
| 08/03/2005 | CN1648193A Process for preparing calcium acetate snow thawing agent |
| 08/03/2005 | CN1648076A Waste mud recovering method for metal surface phosphorizing treating process |
| 08/03/2005 | CN1648075A Resource process for percolation liquid of city life garbage landfill |
| 08/03/2005 | CN1648066A Method and device for treating multiple form heavy metal waste water by multiphase transfer method |
| 08/03/2005 | CN1212983C Technique for recycling sewage generated by making beer |
| 08/03/2005 | CN1212982C Adsorptive photo catalytic and mineralization treatment unit for drinking water |
| 08/03/2005 | CN1212981C Method for treating waste water containing non-ionic surface active agent |