Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
12/2012
12/26/2012CN102835424A Water disinfectant for aquiculture and use method thereof
12/26/2012CN102835333A Amino acid fertilizer water slurry special for aquaculture and preparation method
12/26/2012CN102491597B Method for treating high-concentration nitrogenous organic wastewater
12/26/2012CN102390903B Papermaking black liquid membrane treating method
12/26/2012CN102372339B Recycling system and method of electroplating pretreatment sewage
12/26/2012CN102358650B Advanced purification and recycling method and device of nondegradable organic industrial wastewater
12/26/2012CN102258981B Method for preparing magnetic chitosan nano particles and processing heavy metal wastewater
12/26/2012CN102249395B Water ozonization treatment method by taking cerium oxide nanomaterial as catalyst
12/26/2012CN102249356B Hot water pure water coproduction device by solar energy
12/26/2012CN102247828B Hydrotreated TiO2 nanotube array and preparation method thereof
12/26/2012CN102234138B Double-pump full-negative pressure fluid treatment device
12/26/2012CN102233259B Adsorbent for removing heavy metal from water and preparation method of adsorbent
12/26/2012CN102229452B Method for removing arsenic from printed-circuit board alkaline waste etching liquid
12/26/2012CN102228832B Preparation method of solid acid Fenton catalyst for processing methyl orange waste water
12/26/2012CN102224108B Method and apparatus for sewage grit removal
12/26/2012CN102205253B Supported photocatalyst with high activity under visible light and preparation method thereof
12/26/2012CN102190341B Stripping ammonia-removing method based on flash evaporation and heat pump technologies
12/26/2012CN102167413B A multiple-effect casing tube-type solar energy seawater desalination apparatus having a light-condensing function
12/26/2012CN102161520B Device for processing tungsten smelting smoke and ion exchange waste water and processing method thereof
12/26/2012CN102161516B Method for using device for desalting and purifying sewage through refrigeration and centrifugation
12/26/2012CN102133508B High-throughput polyamide reverse osmosis composite membrane
12/26/2012CN102126771B Ferric aluminum silicon composite carbon-based electrode and application thereof in decoloration of wastewater
12/26/2012CN102120177B Adsorbent for removing monocyclic aromatics from water solution and preparation method thereof
12/26/2012CN102107985B Treatment method of Fischer-Tropsch synthetic reaction wastewater
12/26/2012CN102101705B Physical-means-based ballast water treatment equipment
12/26/2012CN102092805B Low temperature multi-effect seawater desalting system
12/26/2012CN102091593B Preparation method of functionalized fly ash and zeolite composite particles
12/26/2012CN102086072B Cyclic utilization method of dyeing and printing advanced treatment wastewater
12/26/2012CN102076608B Basic magnesium sulfate granule, and process for production thereof
12/26/2012CN102059146B Catalyst for further treating coking wastewater and preparation method thereof
12/26/2012CN102050507B Micro-electrolysis water generator
12/26/2012CN102030385B Device for desalinating seawater through normal-temperature distillation
12/26/2012CN102020334B Water purifier with sterilizing function
12/26/2012CN102019184B Preparation method of novel perovskite photocatalyst containing bismuth
12/26/2012CN102010025B Photocatalysis degradation sewage device and sewage degradation method
12/26/2012CN101993126B Integrated multifunctional air-floatation water purifier
12/26/2012CN101959804B Water treatment equipment and method of water treatment
12/26/2012CN101957053B Water heater control method
12/26/2012CN101928079B High-efficiency diatomaceous earth clarification tank
12/26/2012CN101884337B Oilfield reinjection water sterilizing agent
12/26/2012CN101879415B Method and equipment for preparing ultra-hydrophilic type ultrafiltration membrane
12/26/2012CN101849547B High-efficiency fungicide
12/26/2012CN101829548B Oil adsorbent, and method for recovering the same
12/26/2012CN101815810B Method and device for preventing corrosion in hot water systems
12/26/2012CN101774661B Composite rotating disk liquid film reactor and method for processing organic wastewater
12/26/2012CN101723522B Method for supplying water according to quality and domestic water purifying machine
12/26/2012CN101717126B Device for the controlled distribution of liquids
12/26/2012CN101600925B Method and system for drying a water containing substance
12/26/2012CN101595066B 水纯化组合物 Water purification composition
12/26/2012CN101519303B Water quality activation foil special for health preserving cup and preparation method thereof
12/26/2012CN101428947B Advanced treatment method for acrylic fibre wet-process industrial wastewater with two-step method
12/26/2012CN101037241B Combination method for the demineralization of water
12/25/2012US8337974 chemically inert; porous surface of a ceramic-coated composite enhances abrasion resistance of subsequently applied paints or protective coatings; useful as separators for batteries or as a microfiltration membrane.
12/25/2012US8337710 Ozone oxidation accelerator, ozone oxidation accelerator composition, and ozone treatment method
12/25/2012US8337709 Method for treating liquids with wave energy from an electrical arc
12/25/2012US8337707 Dewatering facility
12/25/2012US8337706 Solids removal system and method
12/25/2012CA2825713A1 Apparatus for compression of a stack and for a water treatment system
12/25/2012CA2792516A1 Apparatus for compression of a stack and for a water treatment system
12/23/2012CA2744374A1 Piezoelectric membrane
12/22/2012CA2780570A1 Monitoring and control of unit operations for generating steam from produced water
12/21/2012CA2780792A1 Systems and methods for treating wastewater
12/20/2012WO2012173978A1 Viscoelastic antimicrobial compositions and methods
12/20/2012WO2012173977A1 Producing compositions for removal of dispersed, solubilized, and/or emulsified undesired species from water and gases
12/20/2012WO2012173802A2 APPARATUS AND METHOD FOR pH CONTROL IN WASTEWATER TREATMENT PLANTS AND OTHER SYSTEMS
12/20/2012WO2012173776A2 Polyimide gas separation membranes
12/20/2012WO2012173723A1 Molecular dispensers
12/20/2012WO2012173653A1 Water treatment system for simultaneous nitrification and denitrification
12/20/2012WO2012173643A1 Improved method for collecting matter with a matter collection unit
12/20/2012WO2012173591A1 Functional and reusable electrodeposited coatings on porous membranes
12/20/2012WO2012172559A2 Arsenic removal filter using iron powder, ferric hydroxide coated rice husk ash
12/20/2012WO2012172500A1 Cartridge filter for percolating filter devices
12/20/2012WO2012172118A1 Device for manufacturing sodium hypochlorite or hypochlorous acid and water treatment system in general
12/20/2012WO2012171986A1 System and method for desalinating seawater
12/20/2012WO2012171973A1 Process for chemical destruction of compounds from amine-based carbon capture
12/20/2012WO2012171758A1 Method and arrangement for a water treatment
12/20/2012WO2012171365A1 Electrochemistry and electrodialysis-based apparatus and method for recycling wastewater from papermaking
12/20/2012WO2012171132A1 Copper flakes for water purification and disinfection and production method and use thereof
12/20/2012WO2012153330A3 Water filtering device
12/20/2012WO2012142204A8 Method of recovering oil or gas and treating the resulting produced water
12/20/2012WO2012136981A3 Oil absorbent composition
12/20/2012WO2012124914A3 Open-cell type apparatus for preparing sodium hypochlorite
12/20/2012WO2012111987A3 Stirring device for water treatment
12/20/2012WO2012080659A3 System and method for collecting compounds in the ground
12/20/2012US20120322119 Separation process using a polyimide membrane
12/20/2012US20120321528 Pulse jet system and method
12/20/2012US20120321228 Polyacrylamide delivery product
12/20/2012US20120319011 Mercury uv lamp with improved actinic spectrum
12/20/2012US20120318751 Ballast water treatment equipment, a ballast water detoxifying treatment system using the same, and a method for treating the ballast water
12/20/2012US20120318750 Methods and compositions for complex binding of metal ions
12/20/2012US20120318749 Systems and methods for performing the bacterial disinfection of a fluid using point radiation sources
12/20/2012US20120318748 Electrochlorination method for above-ground swimming pools
12/20/2012US20120318747 Processes for remediation of contaminant plumes
12/20/2012US20120318746 Method for treatment of canals
12/20/2012US20120318745 Method for inhibiting flocculation in wastewater treatment
12/20/2012US20120318743 Water Desalination and Treatment System and Method
12/20/2012US20120318742 Media for the removal of heavy metals and volatile byproducts from drinking water
12/20/2012US20120318737 Processes and apparatus for inhibiting membrane bio-fouling
12/20/2012US20120318736 Spiral-type filtration module, and liquid treatment method and device employing the same
12/20/2012US20120318723 Water dispensing system utilizing a smart filter