Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1988
11/10/1988DE3714531A1 Vorrichtung zur physikalisch-chemischen behandlung von wasser Apparatus for physical-chemical treatment of water
11/10/1988DE3714444A1 Method and preparation for combating damage to plants, in particular damage to forests, caused by undue natural and/or anthropogenic acidification of the environment
11/10/1988DE3714200A1 Arrangement having a filter and an electrolytic sterilisation device for drinking water treatment
11/10/1988DE3714107A1 Process for eliminating residual hydrogen peroxide from aqueous solutions
11/10/1988DE3714016A1 Process for the treatment of scrubbing water from a gas scrubber
11/10/1988DE3713122A1 Device for the treatment of drilling oil emulsion
11/09/1988EP0290030A2 Treament of oil effluent
11/09/1988EP0289602A1 Installation for purification of sewage water
11/09/1988EP0289516A1 Rapid dissolving polymer compositions and uses therefor.
11/09/1988CN88105855A Process for recovering waste alkali and its apparatus
11/08/1988US4783513 Novel water soluble cationic acrylamide polymers having relatively uniform cationic quaternary amine functional unit distribution
11/08/1988US4783270 2-acrylamido-2-methylpropanesulfonic acid-n-hydroxy-methylacrylamide-acrylamide polymer
11/08/1988US4783269 Injection control system of flocculating agent
11/08/1988US4783265 Weighting agent, multivalent metal salt electrolyte
11/08/1988US4783257 Paint waste separator-collector apparatus
11/08/1988US4783246 Bipolar rapid pass electrolytic hypochlorite generator
11/08/1988CA1244246A1 Extraction process for removing and recovering metals from aqueous solutions
11/03/1988WO1988008409A1 Process for improving the efficiency of biological purification of waste water and/or sludge treatment
11/03/1988WO1988008408A1 System and method for the extraction of cyanide from tails liquor
11/03/1988WO1988008388A1 Apparatus and method for separating liquids
11/03/1988WO1988008324A1 Quick-change filter cartridge and head therefor
11/03/1988DE3713439A1 Process and process arrangement for purifying water by controlled depressurisation flotation
11/03/1988DE3712785A1 Low-temperature distillation apparatus
11/03/1988DE3710555A1 Apparatus for UV sterilisation of liquids
11/02/1988EP0289057A1 Process and apparatus for the treatment of digested sewage sludge
11/02/1988EP0288638A1 Method for flocculating suspensions containing swelled layered chalcogenide
11/01/1988US4781897 Dispensers
11/01/1988US4781843 Dye to inhibit photosynthesis
11/01/1988US4781842 With lime
11/01/1988US4781841 Heavy metal adsorbing agent and method of using same
11/01/1988US4781840 Cationic and anionic lignin amines as flocculants
11/01/1988US4781839 Method for flocculating and removing solids suspended in water
11/01/1988US4781837 Method of performing osmetic distillation
11/01/1988US4781810 Electrolysis of sodium chloride
11/01/1988US4781806 Electroplating system
11/01/1988US4781805 Method for controlling pollution and reducing calcium concentration in aqueous bodies
11/01/1988US4781671 System for classification of particulate materials
11/01/1988CA1244191A1 Cationic polyelectrolytes and their production
11/01/1988CA1244152A1 Phosphoric acid/lime hazardous waste detoxification treatment process
10/1988
10/27/1988DE3712253A1 Process and apparatus for converting highly viscous liquids into a concentrate, using heat exchangers
10/26/1988EP0287917A2 Purification of liquids with treated polyester fibers
10/26/1988EP0287881A1 Method of treating waste waters from agricultural plants, particularly liquid manure
10/26/1988EP0287729A1 Hazardous waste treatment process
10/26/1988EP0287727A1 Groundwater pollution abatement
10/26/1988EP0221070B1 Process for the separation of emulsions containing water as a continuous phase and device for the application of the process
10/26/1988CN87102687A Water treatment process and products
10/25/1988US4780518 Blend of carbohydrate and ammonium coordinating complex
10/25/1988US4780317 Clathrate composed of microbiocide and dihydroxy aromatic compound
10/25/1988US4780216 Mixture with peroxydisulfate
10/25/1988US4780215 Water purification device
10/25/1988US4780214 Addition of selenium compound in biodegradable carrier material
10/25/1988US4780208 Mixture with sludge-anaerobic, aerobic cycles
10/25/1988US4780202 Filtering unit using a diaphragm between a pair of opposite grooved backing surfaces
10/25/1988US4780201 Waste water separator with hydrocyclone, constructive collection passageway and skimmer for separation of flotable contaminants
10/25/1988US4780200 Water purification apparatus
10/25/1988US4780198 Primary and vertical upper secondary reactors, filter bed, liquid and gas outlets, and agitator; waste water treatment
10/25/1988US4780197 Chlorination module for cartridge filter unit
10/25/1988CA1243786A1 Cross-flow microfiltration lime softener
10/25/1988CA1243612A1 Survival desalination device
10/20/1988WO1988007891A1 Mineral substance, process for its manufacture and use thereof
10/20/1988DE3728812A1 Mineralischer stoff, verfahren zu seiner herstellung und verwendung desselben Mineral substance, method of the same for its preparation and use
10/20/1988DE3711161A1 Process for the biological purification of waste water
10/20/1988DE3710927A1 Method and apparatus for the treatment of shower water, in particular in swimming pools
10/20/1988DE3710511A1 Device for controlling the salt feed rate in the regeneration of water softening systems
10/19/1988EP0287205A1 Water treatment apparatus
10/19/1988EP0286955A2 Process for reducing the phenol content in phenol-containing water
10/19/1988EP0286872A1 Process for purification and disposal of soot and ash containing waste water
10/19/1988EP0286870A1 System for conditioning water by ozone
10/19/1988EP0286714A1 Electroosmotic dewaterer
10/19/1988EP0173731B1 Process for dewatering municipal and other sewage sludges
10/19/1988CN88200409U Water clarifier
10/18/1988US4778813 Microbiocides, corrosion resistance, delamination, flocculants, softeners, and demulsifiers
10/18/1988US4778653 Lysing flavobacterium, vitrio, and pseudomonas with bacteriophages
10/18/1988US4778602 Alkali solubilizing humic and fulvic acids in peat, precipitating by quaternary amine
10/18/1988US4778598 Separation of ash from regenerated adsorbent
10/18/1988US4778584 Liquid filter device
10/18/1988US4778569 Converting a portion to vapor phase and condensing; countercurrent gas flow
10/18/1988US4778490 Process for removal of volatile matter from coke-oven plant waters
10/18/1988US4778001 Heat exchange method and apparatus
10/13/1988DE3808864A1 Gummiartiges material, insbesondere zur verwendung bei trinkwasser, hieraus hergestelltes element sowie trinkwassersystem mit wenigstens einem solchen element Rubbery materials, particularly for use in drinking water, prepared therefrom element and drinking water system with at least one such element
10/13/1988DE3704013C1 Process and apparatus for the purification of flowing waters
10/12/1988EP0286616A2 Method for the processing of liquid manure and similar slurry materials, and apparatus for the exucution of the method
10/12/1988EP0286453A2 Biocide
10/12/1988EP0286327A2 Coagulation treatment of fluids
10/12/1988EP0286233A2 Water electrolyzing apparatus
10/12/1988EP0286137A1 Apparatus for magnetic treatment of flowing liquid
10/12/1988EP0286036A2 Process and installation for treating dissolved and undissolved substances containing industrial waste water
10/12/1988EP0285908A2 Apparatus for modifying the quality of drinking water
10/12/1988CN88105013A Method and installations for purification of bath water
10/12/1988CN87214640U Domestic energy-saving health-giving water -magnetizing device
10/12/1988CN85109068B Treatment of sewage from plating works by chemical reduction precipitation and light catalytic oxidation
10/11/1988US4777218 Waste water treatment
10/11/1988US4776963 Adding material formed by dissolving vermiculite weathered from mica in aqueous mineral acid
10/11/1988US4776961 Process for treating geothermal brine in two phase brine separators
10/11/1988US4776956 Combination water filter and container apparatus
10/11/1988US4776952 Reverse osmosis unit and storage vessel projected from exposure to high pressure
10/11/1988US4776181 Evaporative heat exchanger
10/11/1988US4776171 Self-contained renewable energy system
10/06/1988WO1988007500A1 Water purification system with purified water cooling apparatus
10/06/1988WO1988007499A1 Treatment of water throws from sloughs containing ligno-sulfonates
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