| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 10/09/2001 | US6299513 Method of fabricating a semiconductor device |
| 10/04/2001 | WO2001072645A1 Method and device for producing ultrapure water |
| 10/04/2001 | WO2001072640A1 Water purification system and method |
| 10/04/2001 | WO2001072395A1 Apparatus and method for removing mercury and mercuric compounds from dental effluents |
| 10/04/2001 | WO2001009041A3 System for protection of building water supplies against chemical and biological warfare agents |
| 10/04/2001 | WO2000048943A9 Reverse osmosis system with biological contamination prevention |
| 10/04/2001 | US20010025820 Hydrocyclone to aerate wastewater, froth flotation, reducing biological oxygen demand |
| 10/04/2001 | US20010025646 Pre-clean deluge system |
| 10/04/2001 | EP1138635A1 Liquid treating method and liquid treating system |
| 10/04/2001 | EP1138185A1 Closed and energetically integrated process (cei process for the treatment of animal wastes (purines) |
| 10/04/2001 | DE10114311A1 Treatment of wash water from sterile food or drinks filling of peracetic acid-treated bottles, involves reducing amount of oxidizers, adjusting pH and demineralizing |
| 10/03/2001 | CN2451579Y Domestic sewage underground on-the-spot decentralized treating gardenization complete apparatus |
| 10/03/2001 | CN2451578Y Electrocoagulating full-pressing fast-filtering water purifier |
| 10/03/2001 | CN1315923A Hydrogen sulfide removal methods and apparatus |
| 10/03/2001 | CN1315296A Process for treating waste liquid of molasses alcohol |
| 10/03/2001 | CN1315295A Process for treating waste water generated in production of refined terephthalic acid |
| 10/02/2001 | US6296000 Pre-clean deluge system |
| 09/27/2001 | WO2001070621A1 Beverage storage and dispensing container |
| 09/27/2001 | WO2001070407A1 Heated ultrasonic treating device and treating method for suspended matter-containing liquid |
| 09/27/2001 | US20010023843 Water filter cartridge replacement system for a refrigerator |
| 09/26/2001 | EP1136447A1 Water purifying apparatus and method for purifying water |
| 09/26/2001 | EP0832042B1 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining |
| 09/26/2001 | CN1314872A Point-of-use water treatment system |
| 09/26/2001 | CN1314315A Processor for household waste water |
| 09/26/2001 | CN1314313A Processor of faeces, waste water and organic refuse |
| 09/20/2001 | WO2001068536A1 Method and device for effluent treatment |
| 09/20/2001 | WO2001016035A3 A portable waste liquid treatment container |
| 09/20/2001 | WO2001016031A3 Method of producing hydroxyl radicals for chemical reactions |
| 09/19/2001 | EP1134195A2 Flue gas desulphurisation |
| 09/19/2001 | EP1133449A1 Method and apparatus for preventing scaling in electrodeionization units |
| 09/19/2001 | CN2448839Y Water purifier capable of sterilizing, detoxifying, mineralizing and activating |
| 09/19/2001 | CN1313253A Synchronous bio-chemical process for treating sewage from sewer |
| 09/19/2001 | CN1313252A Process and equipment for treating sewage with low cost |
| 09/19/2001 | CN1313251A Process and system for treating water in domestic water drinking appliance |
| 09/18/2001 | US6290856 For providing a predetermined volume of biocidally treated water to feed water side of a reverse osmosis device when it is shut down |
| 09/18/2001 | US6290852 Method and apparatus for the purification and/or treatment of commercial and/or industrial waste waters |
| 09/18/2001 | US6290812 Adjusting magnecium content of process water;supplying carbonate source to process water to precipiate calcium as calcium carbonate; adding white liquor to precipitate metals; adding flocculating agent; separation by floation |
| 09/18/2001 | US6289690 Method and apparatus for disinfecting a water cooler reservoir |
| 09/13/2001 | WO2001066475A1 Apparatus and method for purifying wastewater |
| 09/13/2001 | WO1997048421A3 Apparatus and methods for the disinfection of fluids |
| 09/12/2001 | EP1131501A1 Method of purifying sewage |
| 09/12/2001 | EP1015389A4 Oxygenated water cooler |
| 09/12/2001 | CN1312775A Activated carbon filter, ceramic filter element and water purification system |
| 09/12/2001 | CN1312231A Comprehesive treatment method for organic kitchen garbage and domestic sewage |
| 09/12/2001 | CN1070962C Sewagefree discharging treatment method for paper-making black-liquid |
| 09/11/2001 | US6287471 Separation of concentrated aqueous effluents |
| 09/07/2001 | WO2001064348A1 Installation and chemical and mechanical method for regenerating waste water from a concrete plant |
| 09/07/2001 | WO2001017660A3 System filter for pond water or the like |
| 09/06/2001 | DE10009887A1 On-site removal of nitrogen from dirty water using apparatus with one microbially-operated denitrifying deaeration vessels and two bacterially-operated nitrifying aeration vessels in each unit |
| 09/05/2001 | EP1129997A2 Flue gas desulphurisation |
| 09/05/2001 | EP1129765A1 Method for producing deionized water |
| 09/05/2001 | EP1129036A1 Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 09/05/2001 | EP1129032A1 Method for reducing metal ion concentration in brine solution |
| 09/05/2001 | CN1311709A Method for reducing scaling in electrodeionization system |
| 09/05/2001 | CN1311164A Method for removing nutrition waste, and biological reactor system |
| 09/05/2001 | CN1311163A Multifunctional water purifier |
| 09/04/2001 | US6284293 Passing water through electrolytic cell, where some water is separated into hydrogen and oxygen, whereby dissolved oxygen level is raised and oxidation reduction potential level is lowered to make water function as antioxidant; sparging |
| 09/04/2001 | US6284129 Water treatment device with volumetric and time monitoring features |
| 09/04/2001 | US6283308 Bacteriostatic filter cartridge |
| 08/30/2001 | WO2001063059A1 Apparatus for extracting portable water from the environmental air |
| 08/30/2001 | WO2001062993A1 Process and apparatus for recovery of cyanide and metals |
| 08/30/2001 | WO2001062672A1 Method and apparatus for low cost water disinfection |
| 08/30/2001 | CA2400806A1 Process and apparatus for recovery of cyanide and metals |
| 08/29/2001 | EP1127849A1 Process and apparatus for purifying municipal or industrial waste waters |
| 08/29/2001 | CN1310141A Household drinking water treating machine |
| 08/29/2001 | CN1310139A Combined biological rotary cage complete equipment |
| 08/28/2001 | US6280628 Biodegradable complexing agents for heavy metals |
| 08/23/2001 | WO2001060752A1 A method for processing lignocellulosic material |
| 08/23/2001 | WO2001060501A1 Device and process for electrodialysis of ultrafiltration permeate of electrocoat paint |
| 08/23/2001 | US20010015339 Method of improving the quality of diesel fuel |
| 08/23/2001 | DE10004054A1 Verfahren und Vorrichtung zur Wasserbehandlung Method and apparatus for water treatment |
| 08/22/2001 | EP1124762A1 Method for treating metal contaminated water |
| 08/22/2001 | EP1124760A1 Fluid sterilization apparatus |
| 08/22/2001 | EP0966405B1 Treatment of effluent streams containing organic acids |
| 08/22/2001 | CN2443961Y Self cleaning three stage filtering magnetizing water furifier |
| 08/22/2001 | CN1309100A Method for cleaning treatment of sewage |
| 08/22/2001 | CN1309099A Domestic appliance for treating drinking water |
| 08/22/2001 | CN1309098A Process and equipment for treating excrement and urine with compound microbes |
| 08/22/2001 | CN1309097A Process for treating sewage of oil recovery |
| 08/21/2001 | US6277292 Split-flow water filtration apparatus and method |
| 08/21/2001 | US6277291 Flowthrough batch liquid purifier |
| 08/21/2001 | US6277288 Combined ozonation and electrolytic chlorination water purification method |
| 08/16/2001 | WO2001010562A8 Centrifugal pressurized separators and methods of controlling same |
| 08/16/2001 | DE10005968A1 Water softener process for pump action movement of fluid in closed circuit used as ion transport medium |
| 08/16/2001 | DE10005681A1 Verfahren und Vorrichtung zur Dekontamination metallhaltiger und/oder radioaktiv belasteter Wässer Method and apparatus for decontamination of metal and / or radioactively contaminated waters |
| 08/16/2001 | DE10005240A1 Verfahren zur Fällung von Uran, Schwermetallen und toxischen Metallen aus karbonat-/hydrogenkarbonathaltigen Wässern, insbesondere aus durch Natururan und seine natürlichen Zerfallsprodukte radioaktiv kontaminierten Wässern Method for the precipitation of uranium, heavy metals and toxic metals from-carbonate / hydrogenkarbonathaltigen waters, in particular by natural uranium and its decay products of natural radioactive contaminated waters |
| 08/15/2001 | CN1308030A Treatment of industrial and domestic waste water as ecological resource |
| 08/15/2001 | CN1308029A Integral flocculation-biochemical sewage treating method and equipment |
| 08/15/2001 | CN1308028A Secondary underground sewage-percolating purificatino technology |
| 08/15/2001 | CN1308027A Fully automatic purifying tank |
| 08/15/2001 | CN1308026A 城市生活用水制备的新技术 New technology urban domestic water preparation |
| 08/14/2001 | US6274103 For producing dialysis solutions from dry reagents immediately prior to administration; producing physiologically compatible dialysate solutions |
| 08/14/2001 | US6274045 Method for recovering and separating metals from waste streams |
| 08/09/2001 | WO2001057049A1 Method and device for decontaminating water which contains metal and/or is radioactively contaminated |
| 08/09/2001 | WO2001056935A1 Method of recycling dispersion paint substances or glues from waste water and apparatus for performing the same |
| 08/09/2001 | WO2001056613A2 Sterile water generator |
| 08/09/2001 | US20010011644 Method for treating an effluent containing sorbic acid and/or a salt thereof and an effluent disposal device |
| 08/09/2001 | US20010011643 Inoculation, incubation |
| 08/08/2001 | EP1121187A1 Fluid filtration unit |
| 08/07/2001 | US6270679 Complexing cadmium or lead with sodium, potassium, or calcium hydroxide and sodium or zinc dimethyldithiocarbamate; precipitating sludge; drying, melting |