| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 08/07/2013 | CN103233598A Life integration environmentally-friendly facility for field operation |
| 08/07/2013 | CN103233445A Filtering ecological concrete drainage channel |
| 08/07/2013 | CN103232341A Preparation method of purified terephthalic acid |
| 08/07/2013 | CN103232145A Method for degrading ammonia nitrogen in high-salinity sewage by microbes |
| 08/07/2013 | CN103232144A Method and device for processing organic wastewater |
| 08/07/2013 | CN103232143A Ecological combined device for treating ammonia-nitrogen sewage |
| 08/07/2013 | CN103232142A Multifunctional dynamic biomembrane sewage treatment method |
| 08/07/2013 | CN103232141A Method for purifying and recycling paper-making waste water |
| 08/07/2013 | CN103232140A Multi-stage treatment process for biodiesel wastewater |
| 08/07/2013 | CN103232139A Method and system for treating sewage by using bound strengthened tidal stream artificial wetland |
| 08/07/2013 | CN103232138A Combined constructed wetland treatment method and system for nitrobenzene wastewater |
| 08/07/2013 | CN103232137A Paper-making waste water treatment system and treatment process |
| 08/07/2013 | CN103232136A Reduction dye dyeing wastewater treatment method |
| 08/07/2013 | CN103232135A Treatment system and treatment method for coal-to-liquid wastewater |
| 08/07/2013 | CN103232134A Wastewater treatment method suitable for chemical industry |
| 08/07/2013 | CN103232133A Composite biochemical, coupled physicochemical, and heavy-metal-removing sewage treatment process and technology |
| 08/07/2013 | CN103232132A Magnetic separation method and apparatus for mine water underground treatment |
| 08/07/2013 | CN103232131A Under table type water purifier with heater |
| 08/07/2013 | CN103232130A Mobile kitchen garbage solid, oil, water three-phase separation and wastewater purification device |
| 08/07/2013 | CN103232129A Method for expanding volume of microwave photochemical catalysis wastewater degradation reactor capable of resisting catalyst agglomeration |
| 08/07/2013 | CN103232128A Direct drinking water production method |
| 08/07/2013 | CN103232127A Sewage treater integrating ultrasonic cavitation and hydrodynamic cavitation |
| 08/07/2013 | CN103232126A Advanced treatment method of organic matter in drinking water |
| 08/07/2013 | CN103232125A Method for removing bromate through ordered mesoporous carbon loaded nanoscale zero-valent iron material |
| 08/07/2013 | CN103232124A Treatment method of waste water generated by mining weathering crust eluvial type rare earth mine |
| 08/07/2013 | CN103232123A Catalytic reduction-fenton-like oxidization integrated device for preprocessing chemical wastewater |
| 08/07/2013 | CN103232122A Treatment method of rice-washing waste water |
| 08/07/2013 | CN103232121A Method for removing soluble organic nitrogen in slightly polluted water source water |
| 08/07/2013 | CN103232120A Filtration unit |
| 08/07/2013 | CN103232119A Self-help type nano-filter (NF) with external heater |
| 08/07/2013 | CN103230704A Composite type filter for water treatment system |
| 08/07/2013 | CN102849887B Seawater desalting method |
| 08/07/2013 | CN102849875B System for deep treatment of coking wastewater by means of catalytic ozonation-ceramic membrane filtration |
| 08/07/2013 | CN102765858B System and method for constant water level sequential batch type sewage treatment system with continuous variable volume |
| 08/07/2013 | CN102642975B Flash evaporation and freezing united seawater desalination system for thermal power plant |
| 08/07/2013 | CN102642971B Coking wastewater treatment process |
| 08/07/2013 | CN102633385B Treatment method of explosive production wastewater |
| 08/07/2013 | CN102603127B Modular source processing device for domestic garbage and sewage and processing method thereof |
| 08/07/2013 | CN102583898B Enhanced hard-degradation-wastewater treatment device with biocatalysis electrolysis and anaerobic hydrolysis acidification being coupled |
| 08/07/2013 | CN102583883B Technology and method for treating urban sewage by sectional parallel anaerobic ammonia oxidation |
| 08/07/2013 | CN102583848B Seawater freezing and desalting system based on liquefied natural gas cold energy and desalting method thereof |
| 08/07/2013 | CN102583847B Advanced treatment method of coking wastewater biochemical tail water |
| 08/07/2013 | CN102583829B Multifunctional flocculation and oscillation experiment device |
| 08/07/2013 | CN102583812B Method and system for treating polymer-containing oil field oil production wastewater |
| 08/07/2013 | CN102557358B Domestic sewage and garbage distributed treatment equipment and process |
| 08/07/2013 | CN102531290B Method and device for sludge digestive fluid two-level biological denitrification |
| 08/07/2013 | CN102491583B Constructed wetland with sewage treatment function |
| 08/07/2013 | CN102392471B Field water supply system |
| 08/07/2013 | CN102381786B Zero-discharge treatment system for industrial circulating water |
| 08/07/2013 | CN102363546B High salinity pharmaceutical wastewater processing system |
| 08/07/2013 | CN102358646B High-efficiency deposition device for mines |
| 08/07/2013 | CN102351356B Method and device for purifying thickened oil-containing sewage |
| 08/07/2013 | CN102328970B Fresh water replacement system of reverse osmosis seawater desalination device |
| 08/07/2013 | CN102161541B Method for extracting salt from coking desulphurization waste solution and special device thereof |
| 08/07/2013 | CN102086073B Recycling method of circuit board tin stripping wastewater |
| 08/07/2013 | CN102086070B Moving bed type advanced cyclic oxidation treatment method and system |
| 08/07/2013 | CN101277905B Dynamic control of membrane bioreactor system |
| 08/07/2013 | CN101186403B Process to obtain water bodies larger than 15,000 m3 for recreation with low cost |
| 08/01/2013 | WO2013112654A1 Integrated precipatative-super critical technology for cost-effective treatment of flowback and produced water from unconventional gas resources |
| 08/01/2013 | WO2013110776A1 Process for treating an effluent for the purpose of bringing down the phosphate content thereof, comprising a step of optimized wet heat treatment, and corresponding equipment |
| 08/01/2013 | WO2012044270A3 Grey water filtering system |
| 08/01/2013 | DE102012201438A1 Waste water treatment comprises adding polysaccharide and polyacrylic acid as flocculant, or mixture of polysaccharide and polyacrylic acid in solid or dissolved form as gel, where polysaccharide has cationic charge and is added in excess |
| 07/31/2013 | CN203096819U Underground water supplying system of incubator spray water |
| 07/31/2013 | CN203095810U Buried sewage treatment device |
| 07/31/2013 | CN203095809U Sewage treatment device for hospitals |
| 07/31/2013 | CN203095808U Advanced treatment system for garlic processing wastewater |
| 07/31/2013 | CN203095807U Oil-water treatment system |
| 07/31/2013 | CN203095806U Multifunctional rainwater collecting, treating and recycling device |
| 07/31/2013 | CN203095805U Sewage treatment equipment |
| 07/31/2013 | CN203095804U Denitrification and dephosphorization advanced treatment device of high-concentration grease waste water |
| 07/31/2013 | CN203095803U Device for upgrading and rebuilding and advanced treatment process of urban sewage plant |
| 07/31/2013 | CN203095802U Island direct drinking water process integrated equipment |
| 07/31/2013 | CN203095801U Steel plate module-type sewage treatment equipment |
| 07/31/2013 | CN203095800U Sewage treatment system for fired mold precise casting workshop |
| 07/31/2013 | CN203095799U Domestic sewage treatment device |
| 07/31/2013 | CN203095798U Carbon filter production wastewater treatment system |
| 07/31/2013 | CN203095797U Reclaimed water treatment tank |
| 07/31/2013 | CN203095796U Un-powered rural domestic wastewater treatment system |
| 07/31/2013 | CN203095795U Integrated wastewater treatment system |
| 07/31/2013 | CN203095794U Sewage treatment device |
| 07/31/2013 | CN203095793U Water treatment system |
| 07/31/2013 | CN203095792U Anaerobic biochemical sewage treatment system |
| 07/31/2013 | CN203095791U Sewage treatment system in livestock breeding industry |
| 07/31/2013 | CN203095790U Small-sized composite vertical flow integrated system for domestic sewage |
| 07/31/2013 | CN203095789U Artificial rapid infiltration system for quality purification of polluted riverway water |
| 07/31/2013 | CN203095788U Deodorizing treatment system for heavy oil cracking waste water of refinery plant |
| 07/31/2013 | CN203095787U Garden landscaping comprehensive sewage treatment system |
| 07/31/2013 | CN203095786U Efficient household wastewater treatment system |
| 07/31/2013 | CN203095785U Multifunctional electronic descaling apparatus |
| 07/31/2013 | CN203095784U Filtering device for washing iron powder removal during pretreatment of coating process |
| 07/31/2013 | CN203095783U Water purifier |
| 07/31/2013 | CN203095782U Wastewater treatment equipment |
| 07/31/2013 | CN203095781U Pure water production system for biological pharmaceutical industries |
| 07/31/2013 | CN203095780U Marine seawater desalting device |
| 07/31/2013 | CN203095779U Seawater desalting system |
| 07/31/2013 | CN203095778U Saline separator used after thermal treatment of saw chain |
| 07/31/2013 | CN203095777U Preparation system of pharmaceutical purified water |
| 07/31/2013 | CN203095776U Purifying device for whole house by different qualities |
| 07/31/2013 | CN203095775U Water purifying device |
| 07/31/2013 | CN203095774U Water purifier |