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