C02F - Treatment of water, waste water, sewage, or sludge

More topics under "C02F - Treatment of water, waste water, sewage, or sludge" (284,577)
C02F 1 - Treatment of water, waste water, or sewage (145,124)
C02F 101 - Nature of the contaminant (7,129)
C02F 103 - Nature of the water, waste water, sewage or sludge to be treated (11,124)
C02F 11 - Treatment of sludge; Devices therefor (21,423)
C02F 3 - Biological treatment of water, waste water, or sewage (46,453)
C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
C02F 7 - Aeration of stretches of water (3,263)
C02F 9 - Multistep treatment of water, waste water or sewage (41,429)

Patents for C02F - Treatment of water, waste water, sewage, or sludge (726)
10/2004
10/13/2004	CN1170782C Microcomputer monitored pipe water-purifying machine
10/07/2004	WO2004085316A2 Two phase anaerobic organic matter treatment and system
10/07/2004	WO2004071958A3 Method for inhibiting algae
09/2004
09/30/2004	WO2004062774A3 Direct osmosis cleaning
09/23/2004	WO2004065307A3 Small-scale wastewater treatment installation comprising concentric treatment stages
09/23/2004	US20040182779 Comprises methane reactor for creation of biogas; waste treatment
09/16/2004	WO2004078655A2 A system for treating wastewater
09/16/2004	WO2004078654A2 Free radical solution water
09/16/2004	CA2526414A1 A system for treating wastewater
09/10/2004	WO2004076356A2 Wastewater trickle tower biomedia with casing
09/02/2004	WO2004074182A2 Flow regulator for controlled gravity flow of fluid
09/02/2004	US20040168961 Wastewater trickle tower biomedia with casing
08/2004
08/26/2004	WO2004071958A2 Method for inhibiting algae
08/18/2004	CN1162334C Process for treatment of flue gas desulfurization waste water
08/05/2004	WO2004065307A2 Small-scale wastewater treatment installation comprising concentric treatment stages
08/05/2004	WO2004052790A3 Apparatus for treatment of wastewater employing membrane bioreactors
08/05/2004	WO2004007373A3 Septic tank drain field pipe manifold system and method of use
08/04/2004	EP1232124B1 A process for dewatering of sludge
08/03/2004	US6770200 Method and apparatus for enhancing wastewater treatment in lagoons
07/2004
07/29/2004	WO2004062774A2 Direct osmosis cleaning
07/29/2004	DE10301858A1 Small scale sewage treatment plant is in a circular structure for sewage to flow outwards from the center bioreactor, into the denitrification/nitrification stage and the sedimentation zone to the cleaned water outflow
07/22/2004	WO2004060811A2 Process for treating a body of water
07/22/2004	US20040140266 Dispersing a magnetic ion-exchange resin in water containing dissolved organic carbon (DOC) to enable adsorption
07/15/2004	WO2004033371A3 Method for reducing sludge of a biological ozone treatment system
07/15/2004	WO2004028974A3 Controlling wastewater treatment processes
07/15/2004	US20040134521 Direct osmosis cleaning
07/08/2004	US20040129639 Extraction methodology for suspended and dissolved material from fruit and vegetable wastewater
07/06/2004	US6758977 Purification of phosphoric acid plant pond water
07/06/2004	US6758976 Simplified purification of phosphoric acid plant pond water
07/01/2004	WO2004022488A3 Method and apparatus for enhancing wastewater treatment in lagoons
06/2004
06/24/2004	WO2004052790A2 Apparatus for treatment of wastewater employing membrane bioreactors
06/24/2004	WO2004043864A3 Extraction methodology for suspended and dissolved material from fruit and vegetable wastewater
06/24/2004	US20040118701 Flow-through oxygenator
06/23/2004	CN1506329A Treating process of underground water with high arsenic content
06/17/2004	US20040115757 Method of monitoring biofouling in membrane separation systems
06/17/2004	US20040112829 Continous processing; automatic; aeration
06/02/2004	EP1335881B1 Process for desalination of seawater
05/2004
05/27/2004	WO2004043864A2 Extraction methodology for suspended and dissolved material from fruit and vegetable wastewater
05/27/2004	US20040099589 System and method for treating wastewater using coir filter
05/27/2004	US20040099588 System for treating wastewater
05/27/2004	US20040099533 Microelectronics; positioning contactors; concentric anodes; nozzles; electroplating
04/2004
04/22/2004	WO2004033371A2 Method for reducing sludge of a biological ozone treatment system
04/22/2004	CA2501387A1 Method for reducing sludge of a biological ozone treatment system
04/08/2004	WO2004028985A1 Method and apparatus for oxidizing organic matter
04/08/2004	WO2004028974A2 Controlling wastewater treatment processes
04/08/2004	WO2004009497A3 Method of monitoring biofouling in membrane separation systems
04/08/2004	US20040065364 Elongated tubal body with effluent confining zone; connecting flexible, corrugated pipes to drainage apertures
04/01/2004	US20040063193 Using bioxidation to degrade organic waste; bioremediation; biodegradation
03/2004
03/25/2004	US20040055877 Workpiece processor having processing chamber with improved processing fluid flow
03/18/2004	WO2004022488A2 Method and apparatus for enhancing wastewater treatment in lagoons
03/18/2004	US20040050785 Using ion exchange resin; adsorption; membrane filter; separation
03/11/2004	US20040045901 Building a lagoon based advanced treatment system or upgrading an existing lagoon system for advanced treatment of wastewater. The lagoon is provided with a baffle to create a complete mix zone in which an aeration system and
03/04/2004	WO2004009496A3 Portable/mobile wastewater treatment unit
03/02/2004	US6699684 Method of monitoring biofouling in membrane separation systems
02/2004
02/11/2004	CN1137747C Process for treatment of flue gas desulfurization waste water
01/2004
01/29/2004	WO2004009497A2 Method of monitoring biofouling in membrane separation systems
01/29/2004	WO2004009496A2 Portable/mobile wastewater treatment unit
01/29/2004	US20040018583 Method of monitoring biofouling in membrane separation systems
01/22/2004	WO2004007373A2 Septic tank drain field pipe manifold system and method of use
01/07/2004	CN1133511C Raw refuse decomposing and disposaling apparatus
12/2003
12/30/2003	US6669849 Water treatment process
12/09/2003	US6660137 System for electrochemically processing a workpiece
12/03/2003	EP0575314B2 Method and reactor for purification of water
11/2003
11/27/2003	WO2003097541A1 Treatment of water
11/27/2003	CA2486442A1 Treatment of water
11/12/2003	CN1455757A Process for desalination of seawater
10/2003
10/29/2003	CN1125783C Water treatment process
10/08/2003	CN1123538C Desulfurization waste water treating method
09/2003
09/18/2003	US20030173275 Method and apparatus for treatment of wastewater employing membrane bioreactors
08/2003
08/20/2003	EP1335881A1 Process for desalination of seawater
08/06/2003	CN1433978A Method for treating refuse percolation liquid
05/2003
05/27/2003	US6569297 Workpiece processor having processing chamber with improved processing fluid flow
05/14/2003	CN1417140A Sewage purifying treatment method
05/08/2003	US20030085178 Simplified purification of phosphoric acid plant pond water
05/01/2003	US20030080067 Purification of phosphoric acid plant pond water
04/2003
04/23/2003	CN1106351C Liquid sterilisation apparatus
04/23/2003	CN1106214C Method and equipment for preparing air-containing vesicles
03/2003
03/19/2003	CN1403385A Double-recovering circulation method for cyanic electroplating effluent and heavy metal-containing electroplating effluent
03/05/2003	EP1137600A4 Hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide for the clarification of deinking process waters
02/2003
02/05/2003	CN1394813A Microcomputer monitored pipe type water-purifying machine
09/2002
09/04/2002	EP1235752A1 Process for recovering organic hydroxides from waste solutions
09/03/2002	US6444193 Process for preparation of gas containing vesicles
08/2002
08/21/2002	EP1232124A1 A process for dewatering of sludge
07/2002
07/25/2002	US20020096121 Particulate matter fertilizer composition
06/2002
06/27/2002	US20020081230 Organic substance derived from animal waste being held in pores of porosive, nutritionally inert particulate matter such as titanium dioxide; use as fertilizer
06/27/2002	US20020079215 Workpiece processor having processing chamber with improved processing fluid flow
06/20/2002	US20020076360 Floatable porosive particulate matter forms an interface layer over a top surface of a waste pool, then incubating the waste pool
06/20/2002	US20020073928 Floatable porosive particulate matter for treatment of animal waste
06/19/2002	CN1354127A Sulphuric acid recovery device
06/12/2002	EP1005391B1 Process and apparatus for preparation of vesicles
06/12/2002	CN1353779A System for electrochemically processing workpiece
06/12/2002	CN1353778A Workpiece processor having processing chamber with improved processing fluid flow
04/2002
04/10/2002	EP1194613A1 Workpiece processor having processing chamber with improved processing fluid flow
04/03/2002	EP1192298A2 System for electrochemically processing a workpiece
02/2002
02/26/2002	CA2064206C Immersible biological filter for the purification of waste water
02/06/2002	EP0876299B1 Liquid sterilisation apparatus
01/2002
01/24/2002	US20020008037 System for electrochemically processing a workpiece
01/03/2002	WO2000061837A9 Workpiece processor having processing chamber with improved processing fluid flow
12/2001
12/20/2001	WO2001096243A1 Process for desalination of seawater
11/2001
11/13/2001	US6315893 Gas/liquid mixer with degasifier

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