| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 05/13/2009 | CN100487105C High-effective microorganism complex agent and method of using the same for treating city sewage |
| 05/13/2009 | CN100486922C Integral sputtering-oxygenating-biofiltering waste water purifying apparatus and process |
| 05/13/2009 | CN100486921C Method for treating waste water in production of 4,6-dinitro o-sec-butyl phenol |
| 05/13/2009 | CN100486920C Gas field methanol sewage disposal process |
| 05/13/2009 | CN100486919C Method for preparing semiconductor nano-material and processing organic-inorganic wastewater synchronously |
| 05/13/2009 | CN100486918C Method for realizing closed cycle of dyeing waste water |
| 05/13/2009 | CN100486917C Method of treating weave printing and dyeing wastewater by slurries production technology |
| 05/13/2009 | CN100486916C Method for removing fluorinion in waste water |
| 05/13/2009 | CN100486915C Refuse percolate treatment method |
| 05/07/2009 | WO2008050348A3 System and method for ultrasonic cleaning of ultraviolet disinfection system |
| 05/07/2009 | WO2007037985A3 Systems and methods for treating water |
| 05/07/2009 | US20090114603 Wastewater treatment |
| 05/07/2009 | DE102008050349A1 Precipitation of phosphorus from waste water to form magnesium ammonium phosphate, in waste water treatment plant, comprises displacing the waste water with magnesium chloride in crystallization stage, and displacing to stripping stage |
| 05/07/2009 | DE10130454B4 Verfahren und Anlage zur Aufbereitung und Konditionierung von Brauchwasser und Sole Method and apparatus for purifying and conditioning of industrial water and brine |
| 05/06/2009 | EP2054348A1 Method for removing sulphate and heavy metals from waste water |
| 05/06/2009 | CN201232232Y Water-saving device for group dormitory |
| 05/06/2009 | CN201232218Y Rainwater collecting treater |
| 05/06/2009 | CN201232043Y Full-automatic, high efficiency and energy-saving sewage water reuse and recycle apparatus |
| 05/06/2009 | CN101424093A Household reclaimed water system |
| 05/06/2009 | CN101423875A Process technology for recycling and reuse waste chrome liquor in retanning |
| 05/06/2009 | CN101423317A Pond culture water purification method and cleaning pool thereof |
| 05/06/2009 | CN101423316A Two stage effluent treatment reuse technology |
| 05/06/2009 | CN101423315A Repair method and device of lake water body |
| 05/06/2009 | CN101423314A High efficiency denitrification, phosphorus removal and phosphorus resource recovery composite for urban sewage |
| 05/06/2009 | CN101423313A Fluorescent whitening agent production waste water treatment process |
| 05/06/2009 | CN101423312A Acrylon production waste water treatment method |
| 05/06/2009 | CN101423311A Energy-saving method for preventing non-condensable gas from evaporating for alcohol ketone acid wastewater |
| 05/06/2009 | CN101423310A Circulative reuse treatment method of electric ultrapure water |
| 05/06/2009 | CN101423309A Electroplating waste and heavy metal double recovery method |
| 05/06/2009 | CN101423308A Composite technique treatment method of sewage |
| 05/06/2009 | CN101423307A Method for recycling spent caustic liquid during chitin production process |
| 05/06/2009 | CN101423306A Treatment method and equipment for high phosphorus haematite mineral processing acid wastewater |
| 05/06/2009 | CN101423305A Use point multi-function direct drinker |
| 05/06/2009 | CN101423304A Glycol production waste water treatment method |
| 05/06/2009 | CN101423303A Processing method of waste liquid from preparation of ethanol by fermentation of cassava |
| 05/06/2009 | CN101423277A Water purification process with arsenic removal function |
| 05/06/2009 | CN100484894C Method for treating coal gasification wastewater by single-tower pressurization stripping and device therefor |
| 05/05/2009 | US7527727 Adsorption system |
| 04/30/2009 | WO2009055130A2 Method and apparatus for removing suspended solids from a gasification process steam |
| 04/29/2009 | EP1299315A4 Improved chemical treatment methods and apparatus |
| 04/29/2009 | EP1224032B1 Centrifugal separator and method therefore |
| 04/29/2009 | CN201228377Y Reutilization device for life waste water |
| 04/29/2009 | CN201228375Y Multifunctional water saver |
| 04/29/2009 | CN201228372Y Bathroom water reuse apparatus |
| 04/29/2009 | CN201228371Y Full-automatic flushing pipe type water purification apparatus |
| 04/29/2009 | CN201228244Y Apparatus for cleaning drinking water |
| 04/29/2009 | CN201228243Y Apparatus for preparing purified water |
| 04/29/2009 | CN101417850A Novel process for treating coking waste water by charging activated sludge process |
| 04/29/2009 | CN101417849A Dilatancy design calculation method for sewage disposal plant |
| 04/29/2009 | CN101417848A Apparatus and method for processing parachlorophenol-containing waste water and recovering electric energy |
| 04/29/2009 | CN101417847A Domestic living waste water treater |
| 04/29/2009 | CN101417846A Reclaimed water recycling apparatus |
| 04/29/2009 | CN101417845A Method for changing inherent structure of water and enhancing basic function of water |
| 04/29/2009 | CN101417844A Mobile comprehensive water quality purifying treater |
| 04/29/2009 | CN101417843A Secondary cooling water recycling process of steel plant continuous casting |
| 04/29/2009 | CN101417842A Multi-stage self-cleaning water treatment system |
| 04/29/2009 | CN101417841A Process for treating revolving furnace flue gas dedusting water from steel mill by low hardness method |
| 04/29/2009 | CN100482887C Closed treatment method of paper-making waste water with sulfite |
| 04/29/2009 | CN100482604C Method and apparatus for treating emulsified oil waste water |
| 04/29/2009 | CN100482603C Advanced treatment method of organic pigment waste water |
| 04/29/2009 | CN100482602C Method of removing organic impurities from water |
| 04/23/2009 | WO2009052018A1 Purification of oil sands pond water |
| 04/23/2009 | WO2009051958A1 Method for removing hydrazine compounds |
| 04/23/2009 | WO2009050737A2 An integrated water purifier assembly with built-in water condition assessing sensor |
| 04/23/2009 | WO2009049401A1 An integrated water processing technology |
| 04/23/2009 | US20090101598 Methods for removing suspended solids from a gasification process stream |
| 04/23/2009 | US20090101588 Removal of Arsenic from Drinking and Process Water |
| 04/23/2009 | US20090101583 Hybrid membrane module, system and process for treatment of industrial wastewater |
| 04/23/2009 | DE102007049736A1 Device for processing drinking water, comprises carrier, which contains titanium dioxide on its surface and is arranged for processing the water wetted by titanium dioxide by using light falling on titanium dioxide, and plastic container |
| 04/23/2009 | DE102007049475A1 Method for continuous degassing and disinfecting cool and/or hot water with slight electric conductivity in plant having pump, by branching off partial water flow of main flow of the cool and/or hot water from the pressure side of the pump |
| 04/23/2009 | CA2704741A1 Purification of oil sands pond water |
| 04/23/2009 | CA2702683A1 An integrated water processing technology |
| 04/23/2009 | CA2701443A1 Method for removing hydrazine compounds |
| 04/22/2009 | EP2049657A1 Filter assembly for a reprocessor |
| 04/22/2009 | CN201224703Y Unpowered efficient dispersing domestic sewage treatment complete equipment |
| 04/22/2009 | CN201224691Y Device using vertical electrostatic field to accelerate sludge settling |
| 04/22/2009 | CN101412571A Technique for reclaiming waste water of azoic dye production |
| 04/22/2009 | CN100480200C Method and device for treating high concentration hard degradation organic waste water by microwave low pressure heating |
| 04/22/2009 | CN100480199C Waste water treatment method by postpositioning catalytic Fe internal electrolysis tank |
| 04/22/2009 | CN100480198C Arsenic comprising groundwater processing method |
| 04/22/2009 | CN100480196C Method for treating middle section water of alkaline straw pulp |
| 04/21/2009 | US7522878 Adaptive inductive power supply with communication |
| 04/21/2009 | US7520981 Water desalination |
| 04/21/2009 | CA2406845C Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 04/19/2009 | CA2607080A1 Wastewater treatment method and apparatus |
| 04/16/2009 | WO2009049035A1 Process and apparatus for complex treatment of liquids |
| 04/16/2009 | WO2007008630A3 Floating sequencing batch reactor and method for wastewater treatment |
| 04/16/2009 | DE202007017359U1 Vorrichtung zur Aufbereitung von Flüssigkeiten mittels chemischer Mittel Device for treating liquids by means of chemical agents |
| 04/16/2009 | DE202007017357U1 Vorrichtung zur Aufbereitung von Flüssigkeiten mittels chemischer Mittel Device for treating liquids by means of chemical agents |
| 04/16/2009 | DE102005062337B4 Verfahren zur Erzeugung von arteigenen, biofilmlösenden Stoffen (Biotensiden) Process for the production of species-specific, biofilm solutes (biosurfactants) |
| 04/15/2009 | EP2046485A1 Membrane reactor for the treatment of liquid effluents, comprising a membrane for diffusion of an oxidizing gas and a selective membrane, defining a reaction space between said membranes |
| 04/15/2009 | EP1758668B1 Through filter with contamination indicator |
| 04/15/2009 | CN201221106Y Waste water recovering and utilizing apparatus for building |
| 04/15/2009 | CN201220931Y Apparatus for realizing sludge shortcut nitrification by using FA and FNA control |
| 04/15/2009 | CN201220930Y Multifunctional sewage disposal experimental device |
| 04/15/2009 | CN201220929Y Multifunctional antiscaling sterilizing apparatus |
| 04/15/2009 | CN201220928Y RO water purifying mineral spring machine |
| 04/15/2009 | CN201220927Y Three-stage materialized waste water treatment system |
| 04/15/2009 | CN101407366A Method for rapidly recycling chrome from chroming waste liquor by alkali precipitation |
| 04/15/2009 | CN101407365A Method for processing chroming waste liquor |