Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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09/23/1987 | CN86211028U Intermittent sewage containing cr disposal equipment |
09/22/1987 | US4695556 Acid ion exchange resin, formic acid reducing agent |
09/22/1987 | US4695511 Hydrophobic-oleophilic |
09/22/1987 | US4695472 Methods and apparatus for extending the shelf life of fluid food products |
09/22/1987 | US4695387 Zeolites |
09/22/1987 | US4695386 Process for the decolorization of pulp mill process streams |
09/22/1987 | US4695379 Household drinking water; bottle with elongated tube containing treatment means |
09/22/1987 | US4695378 Acid mine water aeration and treatment system |
09/22/1987 | US4695375 Reverse osmosis filter membrane; automatic |
09/22/1987 | US4694658 Method and equipment for utilization of the freezing heat of water as a source of heat of a heat pump |
09/22/1987 | CA1227294A1 Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries |
09/22/1987 | CA1227143A1 Device for cleaning a collecting rope from oil or similar material |
09/17/1987 | DE3607982A1 Method for the complete deionisation of water |
09/16/1987 | EP0237464A2 Process and apparatus for removing dust-like and gaseous pollutants from waste gases, especially those set free in the production of optical wave guide preforms |
09/16/1987 | EP0237432A1 Process for ammoniacal waste water treatment |
09/16/1987 | EP0237257A2 Cartridge filter |
09/16/1987 | EP0237122A1 Process for the removal of metals from waters containing them |
09/16/1987 | EP0236993A2 Process for working up hydroxyl amine and its salt-containing effluents |
09/16/1987 | EP0236854A1 Process for the combined production of chlorine and ozone |
09/16/1987 | EP0236663A2 A distilling and desalination apparatus |
09/16/1987 | EP0236575A1 Apparatus for the disinfection of liquids |
09/16/1987 | EP0143823B1 Plant for the magnetic treatment of water or other similar liquids, of compounds, respectively organic or inorganic chemical mixtures |
09/15/1987 | US4694179 Symbiotic filter-sterilizer |
09/15/1987 | US4693916 Hydrosilicofluoric acid and metal or metal compound |
09/15/1987 | US4693842 Cyanobacterium-produced bioemulsifier composition and solution thereof |
09/15/1987 | US4693833 Catalytic peroxidation |
09/15/1987 | US4693832 Preparation of safe drinking water |
09/15/1987 | US4693830 Using acrylamide-unsaturated acid-n-sulfoalkylamide polymer |
09/15/1987 | US4693828 Method of ion-exchanging and/or adsorption |
09/15/1987 | US4693823 Liquid filter |
09/15/1987 | US4693820 Filtering, conditioning for horticultural uses |
09/15/1987 | US4693814 Water treatment apparatus |
09/15/1987 | US4693806 In situ electrolysis of brine |
09/15/1987 | US4693798 Method of treating contaminant ions in an aqueous medium with electrolytically generated ferrous ions, and apparatus therefor |
09/15/1987 | US4693304 Submerged rotating heat exchanger-reactor |
09/15/1987 | CA1226748A2 Multiple-use coal-humus-based, treatment and processing medium |
09/12/1987 | CN86205374U Panting pressure magnetizer |
09/11/1987 | WO1987005185A1 Baling machines and baled products |
09/10/1987 | DE3607615A1 Waste water (effluent) treatment plant |
09/10/1987 | DE3607097A1 Method for the surface treatment of metallic or nonmetallic workpieces in processing solutions containing ions |
09/09/1987 | EP0236121A1 Baling machines and baled products |
09/09/1987 | EP0236071A2 Filtering apparatus |
09/09/1987 | EP0235637A2 Process and apparatus for purifying waste water sludge of organic origin |
09/09/1987 | EP0235315A1 Water filter |
09/09/1987 | CN87101601A Water purification device |
09/09/1987 | CN86108854A Process for removing toxic organic materials from weak aqueous solutions thereof |
09/08/1987 | US4692335 Wax binder; controlled dissolving |
09/08/1987 | US4692314 Water treatment systems |
09/08/1987 | US4692246 Storage of liquids in same device that cleans them |
09/08/1987 | US4692232 Apparatus for increasing the residence time of waste liquids in an electric treater |
09/08/1987 | US4692229 Water purification |
09/08/1987 | US4692228 Cathodic reduction |
09/08/1987 | US4692061 Process for dumping of particulate solid waste materials in underground salt enclosed cavitives |
09/08/1987 | US4691732 Pool chlorinator |
09/03/1987 | DE3605727A1 Decanting apparatus |
09/02/1987 | EP0235081A1 Process for the purification of waste water containing dyestuffs |
09/02/1987 | EP0234875A2 Photocatalytic treatment of water for the preparation of extrapure water |
09/02/1987 | EP0234827A2 Metal recovery process |
09/02/1987 | EP0234771A2 Method and apparatus for treating liquid/gas mixtures |
09/02/1987 | EP0234162A1 Apparatus for the purification of water |
09/02/1987 | CN87100816A Water treatment |
09/02/1987 | CN86206213U Fine filter and sterilization device for drinking water |
09/01/1987 | US4691055 Eluting compounds from activated carbon adsorber with vapors from volatile solvent |
09/01/1987 | US4690894 Treatment of microorganisms with alkaline solution to enhance metal uptake properties |
09/01/1987 | US4690756 Farming of natural bodies of water, especially seawater |
09/01/1987 | US4690741 Electrolytic reactor and method for treating fluids |
09/01/1987 | US4690102 Water heater and distiller apparatus |
09/01/1987 | CA1226383A1 Gels formed from anionic and cationic polymers |
08/27/1987 | WO1987005004A1 Process and device for preparing and disinfecting swimming and bathing pool water by using chlorine and ozone |
08/27/1987 | WO1987005003A1 Arrangement for treatment of water |
08/27/1987 | DE3605507A1 Apparatus for gas-liquid mass transfer in the counter-current contact process |
08/26/1987 | EP0233498A2 Process and apparatus of photoelectrocalalytically reducing noble metals in a nitric acid solution |
08/26/1987 | EP0233247A1 Method for wastewater treatment |
08/26/1987 | EP0233225A1 Water-softening system and process for operating latter |
08/26/1987 | CN86205151U Continuous desposer for acidic sewage |
08/26/1987 | CN86101075A Method and equipment for membrane cleaning under reduced pressure |
08/25/1987 | US4689156 Removal of ammonia from wastewater |
08/25/1987 | US4689154 Process for removing phosphorus from industrial waste water |
08/25/1987 | US4689148 Sealing ring of polypropylene or polyvinylidence floride or l ike synthetics |
08/25/1987 | US4688699 Bactericidal mixture control system having flow and dispense duration controls for respective substances |
08/25/1987 | CA1226081A1 Method and apparatus for reducing the aluminum content of alkaline solutions |
08/20/1987 | DE3643816A1 Evaporator having a vaporiser-condenser unit |
08/20/1987 | DE3604908A1 Process and apparatus for removing oils and pollutants from oil/water mixtures/emulsions |
08/19/1987 | EP0232861A2 Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials |
08/19/1987 | EP0232679A1 Synthetic organic polymers for the selective flocculation of titanium and iron ores |
08/19/1987 | EP0232607A2 Method and apparatus for the treatment of water, especially for the oxygen enrichment of water |
08/19/1987 | EP0232391A1 Device for creating and exploiting a pressure difference and a technical application thereof. |
08/19/1987 | CN86204252U Fluorine removing device for drinking water |
08/19/1987 | CN86100505A Purification of organic waste water by air-soluble microorganism adsorption |
08/18/1987 | US4687574 Portable waste water |
08/18/1987 | US4687573 Sorbing apparatus |
08/18/1987 | US4687561 Process and apparatus for treatment of fluids, particularly demineralization of aqueous solutions |
08/18/1987 | US4687550 Water distiller |
08/18/1987 | US4687514 Process for the recovery of noble metals from solutions |
08/18/1987 | CA1225793A1 High molecular weight water-soluble polymers and flocculation method using same |
08/18/1987 | CA1225611A1 Process and apparatus for waste water purification |
08/18/1987 | CA1225600A1 Water purifier |
08/18/1987 | CA1225595A1 Hydrogel-containing envelopes |
08/18/1987 | CA1225519A1 Clarification of high density brine fluids |
08/13/1987 | WO1987004778A1 Primary refrigerant eutectic freezing (preuf) process and apparatuses for use therein |