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)
04/1989
04/04/1989CA1252064A1 Acid extraction process, namely of boric acid, from a lightly ionised solution
03/1989
03/30/1989DE3831421A1 Composition for the treatment of paint-containing effluent, and process for the preparation thereof
03/30/1989DE3829265A1 Method of reducing the content of ionogenic heavy metals during the preparation of metal complex dyes
03/29/1989EP0309352A1 Process and installation for increasing the sludge concentration in waste-water treatment plants
03/29/1989EP0282483A4 Electronic control system for desalinators.
03/29/1989EP0220189B1 Process for the regeneration of cleaning and degreasing baths and device for application of the process
03/29/1989CN2034971U Magnetization water-purifier
03/29/1989CN2034970U High-efficiency pollution-proof suspended-bed set for sodium ion exchange
03/28/1989US4816222 Limestone powder in water
03/28/1989US4816177 Sodium sulfite dechlorination agent
03/28/1989US4816166 Flocculation of coal particles and coal slimes
03/28/1989US4816164 Paper conversion plant waste treatment process
03/28/1989US4816163 Method for controlling macroinvertebrates
03/28/1989US4816158 Aeration, settling, separation
03/28/1989US4816149 Portable water filtration system
03/28/1989US4816145 Laser disinfection of fluids
03/28/1989US4816061 Control of biofouling at alkaline pH and/or high water hardness with certain alkylthioalkylamines
03/28/1989US4816040 Removal of ammonia and carbon dioxide from fuel cell stack water system by steam stripping
03/23/1989WO1989002418A1 Process and device for purifying liquids
03/23/1989WO1989002417A1 Improvements in or relating to effluent treatment
03/23/1989WO1989002302A1 High cop absorption heat pumped evaporation
03/23/1989DE3828977A1 Composition and method for removing deposits, encrustations and the like
03/22/1989EP0308153A1 p-Xylylenediamide/diimide composite ro membranes
03/22/1989EP0307944A1 Method for the purification of waste waters
03/22/1989EP0172835B1 Fixation of dissolved metal species with a complexing agent
03/22/1989CN1031836A Technology for recovery of oxalic acid from waste mother liquor of antibiotics
03/22/1989CN1031825A Simplified method and apparatus for purification
03/21/1989US4814518 Process for extracting nitrohydroxyaromatics from aqueous solutions
03/21/1989US4814106 Manufacture of a basic metal hydroxysulfate complex in solid form
03/21/1989US4814091 Process for removing metals from water
03/21/1989US4814078 Water filter cartridge
03/21/1989US4814074 Water neutralizer
03/21/1989CA1251594A1 Flocculating agent and a process for its production
03/16/1989DE3830344A1 Process and apparatus for waste water purification
03/16/1989DE3736504C1 Method and appliance for flocculating suspensions to be separated in solid-liquid separation machines and apparatuses
03/15/1989EP0307242A1 Process for the treatment of organic contaminants in solid or liquid phase wastes
03/15/1989EP0306722A1 Electric machine for making hot beverages such as coffee, tea or the like, in particular a coffee machine
03/15/1989EP0306628A2 Paint detackification
03/15/1989EP0306623A1 Electric steam iron
03/15/1989EP0306559A1 Flotation device
03/15/1989EP0306497A1 Radiation-emitting devices
03/15/1989CN2034171U Circle processing device for flushing water in wc
03/15/1989CN2034170U 净水器 Water Purifier
03/14/1989US4812243 Wet oxidation system
03/14/1989US4812242 Method of encapsulating organic material
03/14/1989US4812240 Complexing with a lignosulfonate
03/14/1989US4812237 For household use
03/14/1989US4812234 Oil sludge conditioning equipment
03/14/1989US4812207 Using cellulose fibers
03/14/1989CA1251292A1 Modified mannich acrylamide cationic polymer-- turbididty control
03/14/1989CA1251147A1 Separation of components of a fluid mixture
03/14/1989CA1251145A1 Reverse osmosis system
03/09/1989WO1989001816A1 Water clarification system adapted for removing particulate matter of greater than a predetermined size
03/09/1989DE3729030A1 Mercury adsorbent
03/09/1989DE3728320A1 Process and apparatus for concentrating solutions up to solids discharge
03/09/1989DE3723696A1 Central control value - for water softening plant with two multi-bore ball valves
03/08/1989EP0306334A2 Macrocyclic ligands bonded to silica or silica gel and their use in selectively and quantitatively removing and concentrating ions present at low concentrations from mixtures thereof with other ions
03/08/1989EP0306301A1 Fluid purification
03/08/1989EP0306294A1 Apparatus for treating photographic process waste liquor
03/08/1989EP0306231A2 Flexible filter element employing filtering sheets formed with bypass openings
03/08/1989EP0305912A1 Method for the treatment of malodorous sulfur-containing waste waters
03/08/1989EP0305897A2 Compact cooling water treatment plant
03/08/1989EP0305510A1 System for centrifugation and for classification of particulate materials
03/08/1989EP0305412A1 Treatment of liquids and biological tissues by magnetic induction.
03/08/1989CN2033708U Magnetic separating filter
03/08/1989CN1031484A Dispensation formuld and production process of iron-grain deoxidizer
03/07/1989US4810477 Method for desulfurizing smoke
03/07/1989US4810388 Manually operable pump
03/07/1989US4810385 Device for seeding bacterial cultures to systems to assist in biodegrading waste
03/07/1989US4810383 Water treatment system for rectangular clarifiers
03/07/1989US4810377 Clarification device
03/07/1989US4810344 Water electrolyzing apparatus
03/07/1989US4810340 Process for recovering organic values from aqueous solutions containing both organic values and scale-forming ions
03/07/1989US4810294 Ion exchange with soluble fluoride
03/07/1989US4810274 Useful in desalination, concentration, water reuse
03/02/1989DE3827364A1 Verfahren zur steuerung von reinigungsanlagen fuer abwaesser Method for control of cleaning systems for wastewater
03/02/1989DE3727344A1 Process and process arrangement for the multistage treatment of highly polluted waste waters by pressure-release flotation and downstream adsorption
03/02/1989DE3719675A1 Treatment plant for pure water, in particular in modular form
03/01/1989EP0305283A2 Inhibition of mineral deposition by polyanionic/hydrophobic peptides and derivatives thereof
03/01/1989EP0305251A1 Injector mixer under pressure
03/01/1989EP0304783A1 Combustion of aqueous sewage sludge by the fluidized-bed method
03/01/1989EP0304502A1 Process for raising the oxygen concentration in liquids, mixtures of liquids and the like
03/01/1989CN2033401U Fluid magnet treatment equipment
03/01/1989CN2033400U Osmose type desalination device of seawater
03/01/1989CN2033399U Biol-mineralization water soften device
03/01/1989CN2033300U Centrifugal water-wheel releasor for dissolved gas
03/01/1989CN2033285U Gas floating pool with high efficiency separation, concentration and autodischarge devices
03/01/1989CN1031415A Barometric direct-contact condenser
03/01/1989CN1031360A Reclamation of hypo from waste liquor of sulfide dye production
02/1989
02/28/1989US4808396 Ozone decomposing agent
02/28/1989US4808319 Neutralization with slaked lime, selective adsorption on chelating resin
02/28/1989US4808317 Process for continuous contacting of fluids and solids
02/28/1989US4808316 Process for treating waste water containing uranium and fluorine
02/28/1989US4808306 Apparatus for magnetically treating fluids
02/28/1989US4808304 Apparatus for the dewatering of phosphate slimes
02/28/1989US4808290 Using chlorine produced from sodium chloride in brines
02/28/1989US4808287 Water purification process
02/28/1989CA1250514A1 Composition for the clarification and detackification of paint spray booth wastes
02/28/1989CA1250506A1 Deoxygenation and purification of liquids
02/28/1989CA1250404A1 Membrane pervaporation process
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