Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
04/2002
04/24/2002EP1198418A1 Water supply unit
04/24/2002EP1198305A1 Recovery of heavy metals in waste treatment
04/24/2002EP1198276A1 Improved injection of a solids-laden water stream into a centrifugal separator
04/24/2002EP1198257A1 Microorganism filter and method for removing microorganism from water
04/24/2002EP1198174A1 Method for preventing the formation of biological films
04/24/2002EP0711261B1 Zirconia particles
04/24/2002CN2487767Y Washer with water purifier
04/24/2002CN2487766Y Efficient washer
04/24/2002CN2487731Y Water purifying system
04/24/2002CN2487730Y Residue removing machine for waste water
04/24/2002CN2487729Y Water purifying treater
04/24/2002CN2487728Y Multifunctional water purifier
04/24/2002CN2487727Y Solar device for heating water and desalination of sea water
04/24/2002CN2487428Y Small running water purifier
04/24/2002CN2487321Y Electronic water-purifying health thermos
04/24/2002CN1346295A Novel agropolymer used for purification of polluted or contaminated water containing metal or ions and a method of producing the agropolymer
04/24/2002CN1345698A Physical-chemical method sewage quick purifying and circulation reusing technology and solid-liquid separation special equipment-sewage treating machine
04/24/2002CN1345697A Photo-catalitic reactor for water treatment
04/24/2002CN1345696A Multi-function water treatment agent for circulating water cooling system
04/24/2002CN1345625A Method for separating low concentration organic aqueous solution by reverse osmosis compound membrane
04/24/2002CN1083403C Method and apparatus for treatment of solid surfaces
04/24/2002CN1083287C Apparatus and method for fluid treatment units connected in parallel
04/24/2002CA2359632A1 System and method for treatment of water
04/23/2002US6377147 Liquid magnetizer
04/23/2002US6376739 Oxidation humid residues; heating using rotary furnaces; generating ultraviolet radiation
04/23/2002US6376561 Dewatering of aqueous suspensions
04/23/2002US6375919 Roasting iron ore containing iron hydroxide oxide; dissolving in sulfuric acid; coagulants; salt formation
04/23/2002US6375854 Filters arranged in communication/serially with a spacer(s) between and positioned perpendicular to fluid flow where the filter dimensions increase gradually to decrease contact with the encasement; iv lines; water-free gasoline; aircraft vent
04/23/2002US6375852 Adsorbent; polymerizing calix(4)arene, trioxane and acetic acid
04/23/2002US6375850 Basification of citric acid solution; filration; acidification; filtration; precipitation; discharging, circulation
04/23/2002US6375848 Water filtration using immersed membranes
04/23/2002US6375842 Water desalination
04/23/2002US6375837 Waste water treatment method being able to treat surface active agent, nitrogen, hydrogen peroxide and phosphor with high efficiency and equipment therefor
04/23/2002US6375835 Oil recovery system
04/23/2002US6375833 Filter assembly with UV treatment, filter bypass, and clogging indicator
04/23/2002US6375827 Electrochemical treating method and apparatus
04/23/2002US6375805 Apparatus and process for purifying a liquid
04/23/2002US6375803 Removing liquid and solid contaminants from a fluid feed stream containing said contaminants; minimizes fouling and scaling of operating equipment over long periods of operation
04/23/2002CA2053058C Polytetraalkylammonium and polytrialkyamine containing ligands bonded to inorganic supports and processes of using the same for removing and concentrating desired ions from solutions
04/18/2002WO2002032195A2 Discharge lamps preheating
04/18/2002WO2002031273A1 Method for treatment of dredging soil
04/18/2002WO2002031084A1 Cracking process and electronic apparatus therefor
04/18/2002WO2002030836A1 Method and device for oxidising materials in supercritical water
04/18/2002WO2002030832A1 Process and device for fat separation
04/18/2002WO2002030831A1 Vertical membrane storage system and method of storing liquids using the same
04/18/2002WO2002030829A1 Method of cleaning circulatory water tank system and detergent compositions for circulatory water tank system
04/18/2002WO2002030828A2 Water treatment assembly
04/18/2002WO2002030827A1 Cooling of ballast in water purification apparatus
04/18/2002WO2002030826A2 Processes and systems for treating wastewater
04/18/2002WO2002030766A2 Static filtration media vessels
04/18/2002WO2002030540A1 Household water distiller and hot water supply
04/18/2002WO2002030203A1 Composition for generating chlorine dioxide
04/18/2002WO2001068530A3 Sulphur-free lignin and derivatives thereof for reducing the formation of slime and deposits in industrial plants
04/18/2002WO2001062360A3 Methods and apparatus for pressure stabilized removal of contaminants from solution
04/18/2002US20020045010 Coating compositions for modifying hard surfaces
04/18/2002US20020044908 Method for liquid chromate ion and oxy-metal ions removal and stabilization
04/18/2002US20020043969 System and method for distributed monitoring using remote sensors
04/18/2002US20020043650 Corrosion control utilizing a hydrogen peroxide donor
04/18/2002US20020043505 Sludge dewatering and pasteurization system and method
04/18/2002US20020043504 Chamber with inlet, outlet and lamps; modules can be used individually or in combination depending on volumes; simplifies manufacturing and assembly
04/18/2002US20020043496 Composite biosorbent for treatment of waste aqueous system(s) containing heavy metals
04/18/2002US20020043493 Bacteriostatic filter cartridge
04/18/2002US20020043486 Processes and systems for treating wastewater
04/18/2002US20020043459 For sorting cells based on a desired characteristic; reporter-labeled cells can be sorted by presence or level of reporter on cells
04/18/2002US20020043453 Safety system for a distilling apparatus
04/18/2002US20020043032 Waste water collection arrangement
04/18/2002DE19933147C2 Verfahren und Vorrichtung zum Entsalzen von Wasser Method and apparatus for desalinating water
04/18/2002DE10146165A1 Water quality measuring system comprises cleaning section, operating section, light-emitting lamp, optical fiber probe, optical fiber distributor, spectrometer and control section
04/18/2002DE10117321A1 Verfahren und Vorrichtung zur Behandlung tierischer Nebenprodukte Method and apparatus for treatment of animal by-products
04/18/2002DE10049807A1 Verwendung monodisperser Ionenaustauscher zur Arsen-/Antimonentfernung Use of monodisperse ion exchangers for arsenic / antimony removal
04/18/2002DE10049805A1 Verfahren zur Abtrennung von Arsenverbindungen aus dem Destillationssumpf der Fluorwasserstoffherstellung Process for the separation of arsenic compounds from the distillation bottoms of the hydrogen fluoride manufacturing
04/18/2002DE10049250A1 Vorrichtung zum Eindicken von Schlämmen A device for thickening sludge
04/18/2002DE10047958A1 Flotationsvorrichtung The flotation device
04/18/2002DE10047796A1 Configuration bar for UV immersion radiator consists of one piece of metal sheet cut out with all necessary fixings using laser tools
04/18/2002DE10047522A1 Vorrichtung zur solaren Trinkwassererzeugung aus Meer- oder Brackwasser Device for solar DHW production from seawater or brackish water
04/18/2002DE10046983A1 Zentrifuge zum mechanischen Entwässern und thermischen Trocknen von Schlämmen Centrifuge for mechanical dewatering and thermal drying of sludge
04/18/2002DE10045220A1 Device for treating water used in mining and tunnel construction as a primary stage for producing a water-oil emulsion to be used as hydraulic fluid comprises a container with a water inlet and a water outlet arranged in a fresh water pipe
04/18/2002CA2423198A1 Composition for generating chlorine dioxide
04/17/2002EP1197474A1 Tapered flocculation water treatment
04/17/2002EP1196504A1 Method for treating circulating water in paint booths
04/17/2002EP1196356A1 Sludge conditioning with compositions comprising an anionic surfactant and a mineral cation
04/17/2002EP1196355A1 Process control of the dewatering of sludge
04/17/2002EP1196353A1 Sealing means for electrically driven water purification units and method of manufacturing thereof
04/17/2002EP1196352A2 Method and device for the purification of waste water by modified membrane filtration
04/17/2002EP1196067A1 Device for sterilising aqueous media
04/17/2002EP0946423B1 Solar stills for producing fresh water
04/17/2002CN2486612Y Reutilization device for life waste water
04/17/2002CN2486545Y Performance safety ozone liquid sterilizer
04/17/2002CN2486544Y Multistage filter magnetizing processor for waste water
04/17/2002CN2486543Y High voltage static ion stick
04/17/2002CN2486542Y Integrated ion stick water processor
04/17/2002CN2486541Y 'Electric coagulation, electric air suspension' waste water processing equipment
04/17/2002CN2486540Y Water supply equipment for water purification
04/17/2002CN2486539Y Module structure water sterilizer
04/17/2002CN2486538Y Multifunction air float machine
04/17/2002CN2486537Y Heat exchanging separator for promoting alcohol liquid concentration
04/17/2002CN2486071Y Electronic sterilizing drinking machine
04/17/2002CN1345385A Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control
04/17/2002CN1345294A Distilling device
04/17/2002CN1345293A Air and water purification using continuous breakpoint halogenation