Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/1997
08/21/1997WO1997029995A1 Plant for production of drinking water from unfiltered water
08/21/1997WO1997029994A1 Plant for purification of contaminated water
08/21/1997WO1997029865A1 Apparatus for electrodialytic cleaning of products and media which contain heavy metals
08/21/1997WO1997029828A1 Endless bandpass filter for micro filtration
08/21/1997WO1997029636A1 Photosensitive composition
08/21/1997WO1997014653A3 Process and device for recovering purified ionic surfactants from washing solutions, in particular for washing contaminated soil
08/21/1997DE19606081A1 Composition for combating bacteria, algae, yeast and fungi in water
08/21/1997DE19605624A1 Caustic floor cleaning wastes containing tensides pre-cleaned by centrifuge
08/21/1997DE19605580A1 Collecting halogenated hydrocarbon impurities in waste water
08/21/1997DE19605422A1 Verfahren zur Aufbereitung von Trinkwasser für den Verbrauch Process for the preparation of drinking water for consumption
08/21/1997DE19605421A1 Purification of waste waters
08/21/1997DE19602217C1 Process for treatment of waste water with denitrification
08/20/1997EP0790217A1 Coagulating agent
08/20/1997EP0789673A1 Methods of coagulating and decolorizing waste streams
08/20/1997EP0789595A1 Synergistic biocidal combinations
08/20/1997CN2260083Y Apparatus for adding chemicals or the like
08/20/1997CN2260082Y High energy internal polymerizing type equipment for treating water in alternative magnetic field
08/20/1997CN2259940Y Five cell type electrodialysis apparatus for removing salt
08/20/1997CN1157577A Process and device for desalinating sea water
08/20/1997CN1157267A Discharge apparatus for concentration water of water purifier
08/20/1997CN1157266A Method for preparation of filtering purifying material for water purifier inner filter element
08/20/1997CN1157265A Method and device for treating dross and greasy dirt
08/20/1997CN1157264A Draining control apparatus of coldness and warmth water purifier and method thereof
08/20/1997CN1157263A Method for treatment of alcohol waste liquor
08/20/1997CN1157184A Wet flue gas desulfurization system
08/19/1997US5659011 Agents having high nitrogen content and high cationic charge based on dicyanimide dicyandiamide or guanidine and inorganic ammonium salts
08/19/1997US5659002 Reacting polymer with alkylating agent to produce a quaternized alkylated polymr; treating the waste water with above polymer to remove color by forming a complex with the color
08/19/1997US5658979 Flash point stabilized tertiary aminomethylated (alk)acrylamide polymer microemulsions and method for the production thereof
08/19/1997US5658873 Coated sodium percarbonate particles, a process for their production and detergent, cleaning and bleaching compositions containing them
08/19/1997US5658595 Method, composition and device for the treatment of raw materials, products and production means, in particular in the foodstuffs industry
08/19/1997US5658487 Dithiocarbamic acid-functional polyamine formed by reacting epihalohydrin with mixture of diamines and triamines, then modifying with carbon disulfide; for precipitation of wastewater contaminants
08/19/1997US5658467 Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocide
08/19/1997US5658458 Apparatus for removing suspended inert solids from a waste stream
08/19/1997US5658457 Hydrostically driven osmotic membrane flush system for a reverse osmosis water purification system
08/19/1997US5658456 Electronic reader; ?touch? memory buttons, bar codes, magnetic strips
08/19/1997US5658450 Electrolysis; aeration
08/19/1997US5658135 Waste water pump station
08/19/1997CA2070087C Recovery of cyanide from precious metal tailings
08/19/1997CA1339295C Surface active lactams
08/14/1997WO1997029056A1 Process and plant for sewage treatment
08/14/1997WO1997029053A1 Modified biomass for metal adsorption
08/14/1997WO1997029048A1 Method and apparatus for purifying water
08/14/1997WO1997029045A1 AN ACTIVATED CARBON TREATED BY CARBON DIOXIDE FOR THE STABILIZATION OF TREATED WATER pH AND THE CONTROL OF ALUMINUM IN THE TREATED WATER
08/14/1997WO1997028890A1 Method to treat whey
08/14/1997WO1997028889A1 Modular apparatus for the demineralization of liquids
08/14/1997WO1997028881A1 Pelletized composition for treatment of storm water runoff
08/14/1997WO1997028878A1 Multi-layer cartridge housing for a fluid purifier to inhibit fluid contamination
08/14/1997DE3890001C2 Appts. for concentrating and processing waste liq.
08/14/1997DE19604901A1 Electrolytically separating heavy metals (especially nickel@) from water
08/14/1997DE19604377A1 Sulphur di:oxide smoke washer washed from the smoke and neutralised
08/14/1997CA2248358A1 Process and plant for sewage treatment
08/14/1997CA2245566A1 Modular apparatus for the demineralization of liquids
08/14/1997CA2244824A1 Charge-modified nonwoven filter
08/14/1997CA2244109A1 Method to treat whey
08/14/1997CA2197525A1 Plating waste water treatment and metals recovery method
08/13/1997EP0789000A1 Process for treating polluted alkaline aqueous cleaning solutions
08/13/1997EP0788830A1 Mixing apparatus
08/13/1997EP0788822A2 Filter for liquids
08/13/1997EP0788741A1 Elimination and inhibition of bivalve mollusk attachments
08/13/1997EP0788465A1 Method and apparatus for the oxidation processing of effluents in the presence of a heterogeneous catalyst
08/13/1997EP0788464A1 Water- and chemical recycling
08/13/1997EP0788463A1 Radiation module, its application and method for self-cleaning
08/13/1997EP0788462A1 Uv fluid treatment device and method
08/13/1997EP0788461A1 Heavy metal cation recovering agent including a silicate or aluminosilicate type compound and a carbonate type compound
08/13/1997EP0788398A1 Filter material and process for producing no 2-free gases
08/13/1997EP0788397A1 A vessel for filtering liquids, particularly drinking water
08/13/1997EP0672021B1 Fluid treatment device
08/13/1997EP0616603B1 Separation of heavy metals from aqueous media
08/13/1997EP0603329B1 Method, composition for the treatment of raw materials, products and production means, in particular in the foodstuffs industry
08/13/1997EP0588820B1 Liquid treatment
08/13/1997EP0528901B1 Improved method for solute transfer between solid and liquid phases
08/13/1997CN2259401Y Magnetic mineralized cup made of wood fish stone
08/13/1997CN2259400Y Vertical limited aeration sewage treatment equipment
08/13/1997CN2259398Y Fully-automatic electronic cleaning apparatus
08/13/1997CN2259397Y Gold-bearing cyanided waste water adsorption equipment
08/13/1997CN2259396Y Stepwise filtrating type multifunctional water purifier
08/13/1997CN2259223Y Automatic ion exchanger
08/13/1997CN1156988A Plant and process for desalting marine water by reverse osmosis, by means of hydrostatic pressure
08/13/1997CN1156694A Comprehensive draining treating technique for black liquor and midcourse water from caustic soda process straw pulp paper mill
08/13/1997CN1156693A Circulation filter for bathing water
08/13/1997CN1156692A Ginsenoside drinking water
08/13/1997CN1156691A Comprehensive utilization method for waste water and waste gas from lime process pulping papermaking
08/12/1997US5656666 Visibly reducing skin wrinkles
08/12/1997US5656665 Method of using quinic acid or quinolactone for treating wrinkles
08/12/1997US5656490 Enzyme compositions and methods for biodegradation separation of natural fibers and adsorbed petroleum products
08/12/1997US5656246 Contaminant destruction by oxidation processing via enhanced ozonation
08/12/1997US5656178 Method for treatment of contaminated materials with superheated steam thermal desorption and recycle
08/12/1997US5656177 Oil-in-water emulsions as substitutes for microbicides (biocides) in water carrying systems
08/12/1997US5656175 Treating waste water with anionic and cationic polymeric emulsions
08/12/1997US5656173 Method of removing dispersed oil from an oil in water emulsion employing aerated solutions within a coalescing media
08/12/1997US5656172 Using sulforous or sulfuric acid
08/12/1997US5656171 Magnetic water activating process and apparatus for reducing corrosion and lime deposits from flowing water
08/12/1997US5656161 Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities
08/12/1997US5656160 Counter top water filter
08/12/1997US5656159 Filter cartridge with integral bactericide
08/12/1997US5655483 Method and apparatus for controlling zebra and related mussels using ultraviolet radiation
08/12/1997CA1339285C Flocculation of coal fines with poly-electrolytes and electrolyte
08/09/1997CA2197044A1 Process for removing ethers and polycyclic aromatic hydrocarbons from groundwater
08/07/1997WO1997028538A1 Chemical decontamination using natural or artificial bone
08/07/1997WO1997028294A1 In situ electrochemical remediation of organically contaminated soil, sediments and ground water using electrochemically generated and delivered fenton's reagent