| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 04/28/1993 | EP0538848A1 Process and equipment for the hydrolysis of residual urea in the water from urea synthesis plants |
| 04/28/1993 | EP0538598A1 Process for converting water soluble heavy metal compounds into water insoluble, or sparingly soluble, compounds |
| 04/28/1993 | EP0538474A1 Electrolytic vessel for producing hypochlorite |
| 04/28/1993 | EP0538264A1 Method and apparatus for seawater potabilization |
| 04/28/1993 | EP0367774B1 Reverse osmosis apparatus |
| 04/28/1993 | CN2130995Y Multipurpose magnetic valve for shower apparatus |
| 04/28/1993 | CN2130967Y Touch magnetizing water tap |
| 04/28/1993 | CN2130847Y Apparatus for purifying and mineralizing drinking water |
| 04/28/1993 | CN2130812Y Water magnetizer |
| 04/28/1993 | CN2130811Y Device for preventing growthing of marine livig things in seawater pipeline |
| 04/28/1993 | CN2130810Y Magnetizer |
| 04/28/1993 | CN2130809Y Flotation device for treating sewage containing oil |
| 04/28/1993 | CN2130472Y Magnetic vacuum bottle |
| 04/28/1993 | CN2130469Y Electrothermal magnetic insulation vessel |
| 04/28/1993 | CN2130447Y Magnetic beverage straw |
| 04/28/1993 | CN2130443Y Super strong field magnetic cup |
| 04/28/1993 | CN2130442Y Chinese medicine stone mineralizing cup |
| 04/28/1993 | CN1071397A Magnetic descaling device |
| 04/27/1993 | US5206879 Atomizing mixture of liquid wastes and excess oxygen into flame of electric arc for complete high speed combustion, then cooling |
| 04/27/1993 | US5205994 Electrolytic ozone generator |
| 04/27/1993 | US5205940 Adding titanium dioxide, hydrogen peroxide and iron salt, exposing to light at temperature below 80 degress |
| 04/27/1993 | US5205939 Using high molecular weight cationic flocculants with water soluble dithiocarbamates |
| 04/27/1993 | US5205937 Recovery and reuse of water-based cleaners |
| 04/27/1993 | US5205932 Point-of-use water purification appliance |
| 04/27/1993 | US5205931 Including a substantial number of iron chloride spheres; water produced approximates many standard body fluids |
| 04/27/1993 | US5205927 Applying ozone treated with acid to decompose the organic contaminants |
| 04/27/1993 | US5205906 Process for the catalytic treatment of wastewater |
| 04/27/1993 | CA1316942C Process for extracting and disposing of nitrophenolic by-products |
| 04/27/1993 | CA1316835C Separation of ash from regenerated adsorbent |
| 04/27/1993 | CA1316810C Multistage fractional freezing for superpurifying crystallizable substances |
| 04/24/1993 | WO1993008130A1 Water disinfection method and compositions therefor |
| 04/24/1993 | CA2099002A1 Water disinfection method and compositions therefor |
| 04/24/1993 | CA2081294A1 Process and equipment for the hydrolysis of residual urea in the water from synthesis plants |
| 04/22/1993 | DE4223276A1 Verbessertes verfahren zur abtrennung organischer polymer-verunreinigungen aus waessrigen phasen Improved methods for the segregation of organic polymeric impurities from aqueous phases |
| 04/22/1993 | DE4134711A1 Appts. for water germ elimination esp. in sewage purificn. - has open ends of quartz shrouding(s) round UV tubes above the water level to keep connections out of the liquid |
| 04/21/1993 | EP0537694A1 Process for treating effluent from flue-gas desulfurization system and apparatus thereof |
| 04/21/1993 | EP0537595A2 Process for the degradation of organic compounds in sewage sludge |
| 04/21/1993 | EP0537528A1 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/21/1993 | EP0537527A1 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/21/1993 | EP0537526A1 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/21/1993 | EP0537451A1 Process for the decomposition of organochlorine solvent contained in water |
| 04/21/1993 | EP0537427A1 Process for producing huminates |
| 04/21/1993 | EP0537422A1 Device for the central supply of waste water in a circular settling tank |
| 04/21/1993 | EP0525011A4 Portable water purification system |
| 04/21/1993 | CN2130168Y Falling difference type water/oil separator |
| 04/21/1993 | CN2130093Y Small household sterilizing device |
| 04/21/1993 | CN2130051Y Micro magnetic thermos bottle |
| 04/21/1993 | CN1071147A High efficiency water purifying agent and its production |
| 04/21/1993 | CN1071146A Method for control of biofouling |
| 04/20/1993 | US5204452 N-halochitosans, their preparation and uses |
| 04/20/1993 | US5204008 Perhydrolysis with peroxide compounds |
| 04/20/1993 | US5204007 Method of clarification of waste water for production of animal feeds |
| 04/20/1993 | US5204006 In-line static water conditioner and method for inhibiting scale formation |
| 04/20/1993 | US5204001 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 04/20/1993 | US5203993 Method and apparatus for removing salt from sea water |
| 04/20/1993 | US5203989 Portable air-water generator |
| 04/20/1993 | US5203976 Flowing slurry into compartments where particles are retained by screens |
| 04/20/1993 | US5203972 Feeding raw water only to cathode chamber, producing ozone in anode chamber; solid electrolyte partition |
| 04/20/1993 | US5203970 Method for water degasification and distillation |
| 04/20/1993 | US5203890 Deaerator for removing dissolved oxygen in water |
| 04/20/1993 | US5203803 Reverse osmosis water purifier booster pump system |
| 04/20/1993 | US5203286 Apparatus for heating and degassing water |
| 04/20/1993 | US5203081 Method of assembling a water conditioner rotary value |
| 04/20/1993 | CA1316578C Electronic controller for a water purifying unit |
| 04/15/1993 | WO1993007424A1 Plant for recuperating heat from waste waster |
| 04/15/1993 | WO1993007331A1 Improved deinking method using ink agglomeration |
| 04/15/1993 | WO1993007093A1 Method of removing volatile organic compounds from water |
| 04/15/1993 | WO1993007091A1 Ultra-violet wastewater disinfection system |
| 04/15/1993 | WO1993007090A1 Oil absorption method and apparatus utilizing a replaceable bladder |
| 04/15/1993 | WO1993007089A1 Method of controlling wastewater purification plants using quality evaluation of measuring data |
| 04/15/1993 | WO1993007088A1 Method of controlling wastewater purification plants using multiple control functions |
| 04/15/1993 | WO1993006931A1 System for biologically neutralizing waste material |
| 04/15/1993 | WO1993006923A1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
| 04/15/1993 | WO1993006871A1 Fluid treatment |
| 04/15/1993 | DE4212196A1 Low emission waste free treatment of agricultural by prods. - by continuous prodn. including solids sepn. filtration and reverse osmosis, with recycling of water |
| 04/15/1993 | DE4133400A1 Sepg. metals e.g. copper@ and noble metals form solns. - by means of dissolved hydrogen@ in loop reactor, for use e.g. in galvanising installations |
| 04/15/1993 | CA2120758A1 Oil absorption method and apparatus utilizing a replaceable bladder |
| 04/15/1993 | CA2120526A1 Plant for recuperating heat from waste water |
| 04/14/1993 | EP0537119A1 Apparatus for periodically sterilizing/disinfecting an online water filter to produce water for medical uses |
| 04/14/1993 | EP0536963A1 Process for enhancing the dewaterability of waste sludge from microbiological digestion |
| 04/14/1993 | EP0536908A1 Method of improving city water and an apparatus therefor |
| 04/14/1993 | EP0536648A1 Process for the recovery of overspray from water-coatings during spraycoating in spray booths |
| 04/14/1993 | EP0536195A1 Purification of aqueous liquor |
| 04/14/1993 | EP0431190B1 Fluid treater and method of stopping the same |
| 04/14/1993 | CN2129778Y Household magnetic water box |
| 04/14/1993 | CN2129760Y Carved flute solar sea water desalination device |
| 04/14/1993 | CN2129602Y Multi-purpose magnetic steam cosmetic beauty handsome device |
| 04/14/1993 | CN2129563Y Snap open lid magnetic water kettle |
| 04/14/1993 | CN2129553Y Sterilizing health cup |
| 04/14/1993 | CN1070997A Health care magnetic tap |
| 04/14/1993 | CN1070894A Mixing-ultra filtering method treating system for cotton size black fluid |
| 04/13/1993 | US5202033 In situ method for decreasing heavy metal leaching from soil or waste |
| 04/13/1993 | US5202032 Method of removing and recovering hydrocarbons from hydrocarbon/water mixtures |
| 04/13/1993 | US5202030 Method for removing organic contaminants from acidic aqueous effluent |
| 04/13/1993 | US5202028 Removal of metal complex dyes from wastewaters |
| 04/13/1993 | US5202019 Device for the mechanical separation of insoluble solids from a liquid containing said solids |
| 04/13/1993 | US5201366 Process and equipment for the preheating and multi-stage degassing of water |
| 04/13/1993 | US5201339 Treatment of liquids |
| 04/13/1993 | CA1316102C Barometric direct-contact condenser |
| 04/13/1993 | CA1316098C Apparatus for controlling solid particle flow in an evaporator |