Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
02/1979
02/27/1979US4141830 Ozone/ultraviolet water purifier
02/27/1979US4141829 Process for wet oxidation of organic substances
02/27/1979US4141828 Oxidation with a supported metal catalyst
02/27/1979US4141827 Process for clarifying coal wash waters
02/27/1979US4141826 Adsorption, desorption, regeneration
02/27/1979US4141824 Tangentially fed upflow sand filter method and apparatus
02/27/1979US4141798 Solar still
02/27/1979US4141696 Process for gas cleaning with reclaimed water and apparatus for water reclamation
02/27/1979US4141695 Process for gas cleaning with reclaimed water
02/27/1979US4141686 Disposable liquid sterilizer unit
02/27/1979US4141410 Evaporator
02/27/1979CA1049472A1 Centrifuge for draining off sewage sludge
02/27/1979CA1049417A1 Method for removing petroleum products from solid or liquid surfaces
02/22/1979WO1979000069A1 Apparatus for simultaneous recovery of fresh water and salt or concentrated saline solution
02/22/1979WO1979000068A1 Heat exchanger especially for cooling water at fresh water recovery by distillation of sea water
02/21/1979EP0000813A1 Portable apparatus for carbonating water
02/21/1979EP0000773A1 Irradiation process, multichamber photoreactor
02/21/1979EP0000714A2 Auxiliary agent for the improvement of retention, dehydration and preparation, especially for the manufacture of paper
02/20/1979US4140798 Method of inhibiting microorganisms
02/20/1979US4140609 Process for removing colloidal suspensions from a liquid
02/20/1979US4140586 Method and apparatus for distillation
02/20/1979US4140584 Plastic condensation tubes extend throughout
02/20/1979CA1049163A1 Process for the purification of contaminated water
02/20/1979CA1049026A1 ADDUCTS OF EPOXY COMPOUNDS AND PRODUCTS OF REACTION OF .epsilon.-CAPROLACTAM WITH N-ALKYLALKYLENEDIAMINE AND METHODS OF PREPARATION AND USE
02/20/1979CA1048941A1 Filter assembly
02/20/1979CA1048940A1 Activated-carbon water purification controlled by analysis of carbon content in water
02/20/1979CA1048799A1 Barrier construction for water carried pollutants
02/20/1979CA1048733A1 Ozone/ultraviolet water purifier
02/13/1979USRE29908 Cationic polymer from an epihalohydrin and an n,n-dialkyl-alkylenediamine
02/13/1979US4139502 Nickel selective dioxime-containing polyurethane foams
02/13/1979US4139461 Removal of solids from a wet oxidation reactor
02/13/1979US4139457 Method of and apparatus for purifying waste water
02/13/1979US4139456 Bacteria, iron
02/13/1979US4139420 Radioactive contamination
02/13/1979CA1048420A1 Self propelling barge with separating filter for the processing of polluted water bodies, and for marine works
02/13/1979CA1048419A2 Rotating radial screen filter
02/13/1979CA1048291A1 Process for treating sewage sludge and fertilizer products thereof
02/07/1979EP0000674A1 Method for breaking up emulsions and means for carrying out this method.
02/07/1979EP0000513A1 Process for the reutilisation of decantation material resulting from the treatment of waste water from the production of polystyrene
02/06/1979US4138328 Use of a high capacity aeration compartment in a multiple aeration system
02/06/1979US4138293 Desalination apparatus
02/06/1979CA1048176A1 Process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, selenides, and tin and mercury alloys
02/06/1979CA1048175A1 Phillipsite-gismondite for ammonia
02/06/1979CA1048014A1 Mixing block for mixing polymers
02/06/1979CA1047966A2 Method of removing mercury from solution using particulate zinc cathode
02/06/1979CA1047737A1 Recovery of sulfur from sulfur dioxide rich aqueous absorbents
01/1979
01/30/1979US4137290 Ion absorbing, reversal of fluid flow
01/30/1979US4137166 Process for the purification of waste water containing ammonia and ammonium salts
01/30/1979US4137165 Using a quaternized dimethylaminomethyl polyacrylamide
01/30/1979US4137164 Using quaternized mannich bases of polyacrylamide
01/30/1979US4137163 With polyacrylamide flocculant and scrubbing with flue gas
01/30/1979US4137162 Method for treating waste waters
01/30/1979US4137158 Process for tertiary treatment of waste waters from anaerobic digestion treatment process
01/30/1979CA1047692A1 Amine-epichlorohydrin polymeric compositions
01/30/1979CA1047413A1 Convolute membrane apparatus with two pass feed side-one pass permeate side flow paths
01/30/1979CA1047411A1 Method and apparatus for purifying water of organic compounds not readily biodegradable
01/23/1979US4136030 Apparatus for collecting effluent oil
01/23/1979US4136027 Method for treating water
01/23/1979US4136024 Aerosol dispersion of microorganisms to eliminate oil slicks
01/23/1979US4136012 Compact apparatus for the purification of waste water by a physical chemical treatment
01/23/1979US4136005 Electrolytic chlorinator
01/23/1979US4135985 Desalination of salt water by solar energy means
01/23/1979US4135976 Treatment of photographic processing effluents using photosynthetic sulfur bacteria
01/23/1979US4135965 Process and apparatus for the treatment of liquids containing solid particles
01/23/1979CA1047179A1 Method for treatment of waste water containing organic pollutants
01/23/1979CA1047178A1 Method for treating pulp-containing waste liquors
01/23/1979CA1046871A1 Low viscosity piperidinium polymers, methods of preparation and use
01/16/1979US4134971 Germicidal, disinfecting and antiseptic compositions containing certain alkoxy aliphatic amine compounds
01/16/1979US4134833 Water recycle unit-grey water clearifier
01/16/1979US4134831 Magnetic collection units containing an ion exchange or sorbent media
01/16/1979US4134786 Process for purification of waste water produced by a Kraft process pulp and paper mill
01/16/1979US4134740 Method for energy utilization in producing synthesis gas and recovering unconverted carbon
01/16/1979US4134732 Floating methanol plant
01/16/1979US4134393 Solar energy collection
01/16/1979CA1046693A1 Polycarbonates containing s-triazine compounds as linking members between two molecules of bis-hydroxy aromatic compounds
01/16/1979CA1046667A1 Method for clarifying aqueous waste liquids containing acid dyes
01/16/1979CA1046666A1 Vacuum stripping of ammonia
01/16/1979CA1046665A1 Inexpensive purification of urea waste streams
01/16/1979CA1046659A1 Circular dissolved gas flotation system
01/16/1979CA1046449A1 De-ionizing solutions by combined electrolysis and centrifugal force
01/16/1979CA1046448A1 Electrochemical contaminant removal from aqueous media
01/16/1979CA1046423A1 Hot water to slurry clay coagulants
01/16/1979CA1046422A1 Adsorption with auxiliary high loading step before elution
01/16/1979CA1046303A1 Animal waste odor treatment
01/10/1979EP0000214A1 Process for the preparation of a solid carbon-containing material having a sorption capacity for metal ions.
01/09/1979US4133929 Ionically modified cellulose materials for removal of heavy metal ions
01/09/1979US4133762 Coil type filter
01/09/1979US4133759 Liquid purification apparatus
01/09/1979US4133755 Dithiocarbamate sulfide compound, amorphous silica, and active carbon
01/09/1979US4133754 Water purification device
01/09/1979US4133377 Thin-film heat exchanger
01/09/1979CA1046173A1 Control of flocculant addition in sedimentation apparatus
01/09/1979CA1046000A1 Microorganisms in combination with surface active agents to synergistically disperse oil slicks
01/02/1979US4132640 Process for the hygienic elimination of sewage containing salt-containing organic substances
01/02/1979US4132637 Ozone disinfection in waste water treatment with recycling of ozonation off gas
01/02/1979US4132626 Clay particles
01/02/1979US4132625 Sewage osmosis system
01/02/1979CA1045729A1 Method of obtaining a precipitate of metallic ions from solutions containing low concentrations of metal salts
12/1978
12/26/1978US4131565 Fluidization
12/26/1978US4131545 Water treatment