| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 09/04/1984 | US4469602 Determination of necessity for regeneration |
| 09/04/1984 | US4469596 Fluid transport conduit system in equilibrium with its environment |
| 09/04/1984 | US4469561 Azeotropic recovery of BPA and phenol from aqueous effluent streams |
| 09/04/1984 | US4468929 Condensed with ferric chelate in a redox system |
| 09/04/1984 | CA1173995A1 Phenolic chelate resin, process for producing the same, and method of recovering heavy metal ions with the same |
| 08/30/1984 | WO1984003274A1 Method for producing a modified aqueous chlorite solution, solution produced thereby and utilization thereof |
| 08/30/1984 | WO1984003227A1 Distillation apparatus |
| 08/29/1984 | EP0117096A1 Alkaline waste water treatment |
| 08/29/1984 | EP0116989A1 Process for removing heavy metals from aqueous media |
| 08/29/1984 | EP0116988A1 Process for removing heavy metals from aqueous media |
| 08/28/1984 | US4468332 Control of legionella pneumophila in water systems |
| 08/28/1984 | US4468320 Integrated flotation filtration plant |
| 08/28/1984 | US4468318 Apparatus for the uninterrupted treatment of a liquid with ion exchange resins |
| 08/28/1984 | US4468317 Selective rheological separation of clays |
| 08/28/1984 | US4467621 Fluid/vacuum chamber to remove heat and heat vapor from a refrigerant fluid |
| 08/28/1984 | CA1173404A1 Process for removing cyanide ions from solutions |
| 08/28/1984 | CA1173374A1 Separator |
| 08/28/1984 | CA1173300A1 Process for treating aqueous effluents containing organic substances and mineral salts |
| 08/28/1984 | CA1173218A1 Removal of germanium from the effluent of processes for the production of optical components |
| 08/22/1984 | EP0116151A1 Process for the regeneration or recycling of aqueous degreasing and cleaning solutions |
| 08/21/1984 | US4466975 Microbiocides bactericides |
| 08/21/1984 | CA1172992A1 Halogenation of water using porous anode for on-site halogen production |
| 08/16/1984 | WO1984003045A1 Apparatus for sterilizing objects with an aqueous hypochlorite solution |
| 08/15/1984 | EP0115922A1 Control of Legionella Pneumophila in water systems |
| 08/15/1984 | EP0115893A1 Device for sterilizing objects with the aid of an aqueous hypochlorite solution |
| 08/14/1984 | US4465599 Flocculants based on polymers containing water-soluble dialkylaminoneopentyl (meth)acrylates |
| 08/14/1984 | US4465598 Oxidation, demetallization |
| 08/14/1984 | US4465597 Neutralizing, ph, dissolving, precipitation, thickening |
| 08/14/1984 | US4465596 Process for removing heavy metal ash from an aqueous soot suspension |
| 08/14/1984 | US4465593 Recovery of metal from waste water by chemical precipitation |
| 08/14/1984 | US4465573 Method and apparatus for the purification of water |
| 08/14/1984 | US4465555 Water-soluble polymers of di-C1 -C3 -alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermaking |
| 08/14/1984 | CA1172779A1 Bacteria-removing cartridge and preparatory process |
| 08/14/1984 | CA1172778A1 Bacteria-removing cartridge and method for preconditioning |
| 08/14/1984 | CA1172605A1 Electrolytic halogen generators |
| 08/14/1984 | CA1172602A1 Discrete particulate bipolar reactor |
| 08/14/1984 | CA1172540A1 Aluminium sulphate composition for water-purifying, paper-sizing and plant-dewatering purposes and a method for producing the composition |
| 08/08/1984 | EP0115375A2 Semi-permeable membrane storage solutions |
| 08/08/1984 | EP0115118A2 Process and apparatus for recovery of water from dispersions of soot and water |
| 08/08/1984 | EP0115096A1 Particle retaining means for bleach cake in passive dosing dispenser |
| 08/08/1984 | EP0114969A1 Process for reducing the aluminium content of alcaline solutions of an electrolyte of batteries having aluminium anodes |
| 08/08/1984 | EP0114830A1 De-salinator for brackish or salt water. |
| 08/07/1984 | US4464353 Quicklime slaking process |
| 08/07/1984 | US4464315 Indexing controller system and method of automatic control of cooling water tower systems |
| 08/07/1984 | US4464257 Apparatus for the treatment of wastewater sludge |
| 08/07/1984 | US4463809 With acidity ion exchange resin |
| 08/07/1984 | US4463691 Vaporization, combustion |
| 08/07/1984 | CA1172391A1 Dewatering of sewage sludges on filter presses |
| 08/01/1984 | EP0114739A2 Improved ion exchange columns |
| 08/01/1984 | EP0114428A1 Article and method for maintaining more even concentrations of bleach in a passive dosing dispenser |
| 08/01/1984 | EP0114364A1 Electrolytic water sterilization system |
| 08/01/1984 | EP0114336A2 Electrolyte cell for the automatic and intermittent production of chlorine water |
| 07/31/1984 | US4463031 Process for preparing a bacteriological inhibitor for water |
| 07/31/1984 | US4462976 Converting chlorides to calcium chloride, adding sulfuric acid to produce gypsum and hydrochloric acid |
| 07/31/1984 | US4462965 Intermittent ozonizing apparatus |
| 07/31/1984 | US4462914 Method of controlling Corbicula |
| 07/31/1984 | US4462913 Demulsification and fat removal; demetallization by adding a calcium sulfide mixture to effect precipitation |
| 07/31/1984 | US4462911 Detoxification or decontamination of effluents and/or flue gases |
| 07/31/1984 | US4462910 Oil slick dispersants using diguanidinium salt |
| 07/31/1984 | US4462905 Desilication of geothermal water |
| 07/31/1984 | US4462904 Pulsed regeneration of adsorption column |
| 07/31/1984 | US4462903 Apparatus for purifying waste water |
| 07/31/1984 | US4462820 Treating aqueous systems or oils or fuels |
| 07/31/1984 | US4462766 Device for automatic circulation in a waste water pump station |
| 07/31/1984 | US4462713 Method for mining and reclaiming land |
| 07/31/1984 | CA1171983A1 Method and apparatus for cleaning basins |
| 07/31/1984 | CA1171839A1 Process for the preparation of adsorbent materials |
| 07/31/1984 | CA1171798A1 Liquid treatment apparatus |
| 07/25/1984 | EP0047785B1 Silica removal process and alumina composition used therein |
| 07/24/1984 | US4461890 Method for the treatment of waste fluids from orange canneries and process for recovering pectic substance therefrom |
| 07/24/1984 | US4461743 Oxygen injection nozzle for wet oxidation reactors |
| 07/24/1984 | US4461711 Adding acid to liquid phase, then filtration with active carbon |
| 07/24/1984 | US4461708 Fluidized bed of fine particles, and agglomerate fibers as fixing base for bacteria |
| 07/24/1984 | US4461706 Apparatus for the countercurrent treatment of liquids with adsorbents |
| 07/24/1984 | US4461693 Polarity reversal electrodes |
| 07/24/1984 | US4461675 Energy efficient process for vaporizing a liquid and condensing the vapors thereof |
| 07/24/1984 | CA1171562A1 Apparatus and method for clarification of water using combined flotation and filtration processes |
| 07/18/1984 | EP0113567A1 Control system and method of automatic control of cooling water tower systems |
| 07/18/1984 | EP0113408A1 Acrolein and formaldehyde polycondensation products as hydrogen and iron sulphide scavengers in aqueous media |
| 07/18/1984 | EP0113387A1 Process and apparatus for treating liquids, particularly for demineralizing aqueous solutions |
| 07/17/1984 | US4460628 Catalyzed wet oxidation process and catalyst useful therein |
| 07/17/1984 | US4460555 Ammonia scavenger |
| 07/17/1984 | US4460547 Separating actinide ions from aqueous, basic, carbonate containing solutions using mixed tertiary and quaternary amino anion exchange resins |
| 07/17/1984 | US4460474 Process for the extraction of cesium ions from aqueous solutions using an adduct compound in solid form comprising a macrocyclical polyether and an inorganic heteropoly acid |
| 07/17/1984 | US4460470 Process and apparatus for the biological purification of phosphate-containing wastewater |
| 07/17/1984 | US4460292 Process for containment of liquids as solids or semisolids |
| 07/17/1984 | CA1171186A1 Continuous process for wet oxidation of aqueous waste liquors |
| 07/17/1984 | CA1170953A1 Microbicidal/microbistatic compositions and use thereof |
| 07/11/1984 | EP0113060A1 Method of eliminating manganese deposits from water works installations |
| 07/11/1984 | EP0112973A2 Waste water purification device |
| 07/11/1984 | EP0112876A1 Utilization of highly radioactive components of used dissolved fuel elements |
| 07/11/1984 | EP0106847A4 Water purifying apparatus. |
| 07/10/1984 | US4459177 Ground moisture transfer system |
| 07/10/1984 | CA1170621A1 Magnetic water conditioner apparatus |
| 07/04/1984 | EP0112631A2 Composite material, method of making it and its use in osmotic purification of liquids |
| 07/04/1984 | EP0112610A1 Protracted-release microbiocidal articles containing relatively high water solubility microbiocides |
| 07/04/1984 | EP0112424A1 Process and plant for treating waste water, especially from dye works |
| 07/03/1984 | US4458153 Organism destruction by electrohydraulic discharge within a pulsed magnetic field envelope |
| 07/03/1984 | US4458030 Adsorbent composition |
| 07/03/1984 | US4457848 Process for after-treating extraction residues originating from the decontamination of phosphoric acid |