| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/09/1993 | DE4206901A1 Disinfection of water in U=bends e.g. in wash-basin outlets - by providing germ-killing zone contg. heating elements, electrolytic cell or UV-light source within U=bend |
| 09/09/1993 | DE4206862A1 Liq. container - has distortable body with connection at the base for the outlet with valve and filter |
| 09/09/1993 | DE4206710A1 De-watering sludge using optimal procedure for different dry-matter contents - where circular filter troughs rotate past sludge inlet and outlet, and sludge is subjected to filtration and vibration and is compressed by pressure plates |
| 09/09/1993 | DE4206646A1 Industrial and communal sewage cleaning - by using a powder adsorption material mixt. with different cleaning functions to give sepd. clear water and sludge which is dried for recycling |
| 09/09/1993 | DE4206596A1 UV disinfection of fluids e.g. sewage in a flow channel - has quartz tubes with UV radiators in a covering at the channel where it backs up ensuring a water presence round them at all times |
| 09/08/1993 | EP0559371A1 Method of reducing the concentration of a liquid resin in an aqueous composition |
| 09/08/1993 | EP0559305A2 Simultaneous monitoring of multiple water treatment performance indicators |
| 09/08/1993 | EP0558577A1 Spray degasser. |
| 09/08/1993 | EP0558568A1 A method for treating an organic substance |
| 09/08/1993 | EP0558477A1 Materials and methods for photocatalyzing oxidation of organic compounds on water |
| 09/08/1993 | EP0435907B1 Oxidation chamber |
| 09/08/1993 | CN2141809Y Gas and water magnetizing treater for gas water heater |
| 09/08/1993 | CN2141808Y Cold and hot magnetic purifying mineral water drinking device |
| 09/08/1993 | CN1075938A Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 09/08/1993 | CN1075937A Water sterilizing and purifying apparatus |
| 09/07/1993 | US5242626 Process for contacting gas and liquid |
| 09/07/1993 | US5242602 Spectrophotometric monitoring of multiple water treatment performance indicators using chemometrics |
| 09/07/1993 | US5242601 Sludge treatment with CaO or CaC2 and recovery of CaO therefrom |
| 09/07/1993 | US5242600 Water treatment by flotation |
| 09/07/1993 | US5242593 Method for reducing the build-up of slime and/or film in water circulation systems |
| 09/07/1993 | US5242585 Apparatus and method for deinking waste paper pulp |
| 09/07/1993 | US5242124 Apparatus for conveying, comminuting and mixing materials comprising/not comprising solid matter |
| 09/07/1993 | US5241720 Laundry waste water treatment and wash process |
| 09/07/1993 | CA1321975C Process for treating an aqueous liquid and an apparatus for carrying out said process |
| 09/07/1993 | CA1321969C Water purification method and apparatus |
| 09/07/1993 | CA1321955C Water repurification method of city water and its equipment |
| 09/07/1993 | CA1321954C Water treatment apparatus |
| 09/07/1993 | CA1321944C Cationic coagulants plus colloidall silica for use in paint detackification |
| 09/04/1993 | CA2090841A1 Method of reducing the concentration of a liquid resin in an aqueous composition |
| 09/02/1993 | WO1993016962A1 Apparatus for the purification of cyanide-containing waste water |
| 09/02/1993 | WO1993016961A1 Removal of contaminants from wastewater |
| 09/02/1993 | WO1993016960A1 Apparatus for treatment of effluent |
| 09/02/1993 | WO1993016959A1 Fine purification of water and treatment of condensates in an ion-exchange system |
| 09/02/1993 | WO1993016958A1 Sludge treatment or destruction of the cellular structure of microorganisms by ultra-sounds |
| 09/02/1993 | WO1993016782A1 Water reclamation system and method |
| 09/02/1993 | WO1993016780A1 Process and device for purifying waters containing methanol and possibly polluted by hydrocarbons |
| 09/02/1993 | WO1993016593A1 Treatment for sanitizing aqueous solutions |
| 09/02/1993 | DE4206206A1 Waste paper recycling - uses electrolyte and foaming to develop a flocculant to remove dirt as a scum from the surface of processing water |
| 09/02/1993 | DE4205905A1 Problem liq. waste disposal - by pretreatment using flocking or precipitation or adsorption before micro-or ultra-filtration |
| 09/02/1993 | CA2157035A1 Apparatus for the purification of cyanide containing waste water |
| 09/01/1993 | EP0558201A1 Treating liquids |
| 09/01/1993 | EP0557916A2 Method for treating dust loaded filters |
| 09/01/1993 | EP0483265B1 Sewage-treatment plant using the flotation process |
| 09/01/1993 | EP0429593B1 Device for separating light liquids |
| 09/01/1993 | CN2141318Y Self-cleaning type domestic purifier |
| 09/01/1993 | CN2141230Y Magnetic oscilation mineral cup |
| 09/01/1993 | CN2141229Y Magnetization mineral health care cup with music |
| 09/01/1993 | CN1075751A Process for production of spirit with weathered granite |
| 09/01/1993 | CN1075701A Treating of liquid |
| 09/01/1993 | CN1075700A Treating machine for waste water containing chrome |
| 09/01/1993 | CN1075699A Bacteria polluted water clarifier and process thereof |
| 09/01/1993 | CN1075698A Bio-active coal filtering material and its application |
| 08/31/1993 | US5241045 Process for the precipitation of aqueous plastics dispersions containing polyvinyl alcohol |
| 08/31/1993 | US5240853 Apparatus and method for continuously removing oxygen from fluid streams using bacterial membranes |
| 08/31/1993 | US5240620 Filter apparatus with internal cavity containing filter media, projecting entrance and exit spouts to be received in necks of dispensing and receiving containers |
| 08/31/1993 | US5240600 Water and wastewater treatment system |
| 08/31/1993 | US5240597 Waste water treatment equipment |
| 08/31/1993 | US5240595 Removing hazardous contaminants from water |
| 08/31/1993 | US5240579 Electrodialysis reversal process and apparatus with bipolar membranes |
| 08/31/1993 | US5240572 Electrochemical ion exchange |
| 08/31/1993 | US5240560 Wastewater evaporator system |
| 08/31/1993 | US5240509 Method for removing solids from systems containing water-based paints |
| 08/31/1993 | US5240228 Spooling reel for electrolytic pool purifier |
| 08/31/1993 | CA1321774C Swimming pool chemical dispenser |
| 08/29/1993 | CA2087118A1 Benzene removal aid for crude oil |
| 08/26/1993 | DE4205739A1 Verfahren zur zerstoerung zellulaerer strukturen von suspensionen von mikroorganismen durch ultraschall, insbesondere von schlaemmen aus biologischen klaeranlagen Method for the destruction of cellular structures of suspensions of micro-organisms by ultrasound, especially sludges from biological treatment plants |
| 08/26/1993 | DE4205715A1 Plant protective means - involves use of levitation machine to produce energetically enriched water |
| 08/26/1993 | DE4205686A1 Gas exchange appts. - has eddy unit for media flow to give fluid where gas can be exchanged |
| 08/25/1993 | EP0557153A1 Aluminiumpolychlorosulphates, process for their preparation and their uses |
| 08/25/1993 | EP0557078A1 Process to stabilize wastewater sludge |
| 08/25/1993 | EP0556431A1 Clarifier basin |
| 08/25/1993 | EP0556369A1 Self-cleaning mechanism for oxidation chamber |
| 08/25/1993 | EP0556366A1 Modular oxidation chamber |
| 08/25/1993 | EP0556187A1 Electrolytic treatment apparatus |
| 08/25/1993 | CN2140901Y Series combined device for treatment of waste water |
| 08/25/1993 | CN2140900Y Cup-type mineral water magnetic core for thermos bottle |
| 08/25/1993 | CN2140899Y Automatic adding device for medicine of treatment of water |
| 08/25/1993 | CN2140689Y Supernormal insulating magnetic vacuum bottle |
| 08/25/1993 | CN2140674Y Sanitary straw for mineral water |
| 08/25/1993 | CN2140673Y Mineral water cup |
| 08/25/1993 | CN2140672Y 银离子杯 Silver ions Cup |
| 08/25/1993 | CN2140669Y Magnetic glass water pot |
| 08/24/1993 | US5239285 Low salt level sensor |
| 08/24/1993 | US5239040 Polyurethanes |
| 08/24/1993 | US5239033 Formed, polymeric organosiloxane ammonium compounds, method of their preparation and use |
| 08/24/1993 | US5238663 Nickel recovery process |
| 08/24/1993 | US5238581 Oxidative removal of cyanide from aqueous streams abetted by ultraviolet irradiation |
| 08/24/1993 | US5238580 Method for treating landfill leachate |
| 08/24/1993 | US5238579 Method for generating coarse precipitates from solutions or slurries containing ionic species |
| 08/24/1993 | US5238578 Combining liquid containing solvent and nonvolatile impurities with vapor to produce precipitaed sludge |
| 08/24/1993 | US5238577 Method and device for magnetically removing charged particles from a body of liquid |
| 08/24/1993 | US5238576 Multilayers of cationic polymers in chloride, sulfate, hydroxy and tertiary amino forms for water filtration, denitrification |
| 08/24/1993 | US5238575 Applying absorbant comprising acid leached bentonite, an aminoplast resin, and a solid hydrophobic material |
| 08/24/1993 | US5238574 Desalting salt water by passing through plurality of reverse osmosis membrane stages, including a low pressure stage |
| 08/24/1993 | US5238558 Magneto-hydrodynamic fluid treatment system |
| 08/24/1993 | US5238543 Recovery of silver from photographic film and photographic development waste solution |
| 08/24/1993 | CA1321664C Method and apparatus for removing iron from well water |
| 08/24/1993 | CA1321553C Personal, portable, disposable tap water filter |
| 08/23/1993 | CA2089969A1 Treating liquids |
| 08/21/1993 | CA2086226A1 Clarifier tanks |