Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
07/1980
07/15/1980CA1081446A1 Encapsulation of nuclear wastes
07/09/1980EP0013217A1 Flocculation method for water purification
07/09/1980EP0013215A1 Electrolysis device
07/09/1980EP0013211A1 Method of treating alkaline solutions containing radioactive iodine during the reprocessing of nuclear fuels
07/09/1980EP0013050A2 Process for the removal of volatile ionisable components from aqueous streams
07/08/1980US4211664 Mixing adsorbent and magnetic particles in a crosslinkable polymer
07/08/1980US4211659 Device for collecting materials as for example oil floating on a water surface
07/08/1980US4211652 Water reclamation process
07/08/1980US4211651 Water reclamation process
07/08/1980US4211650 Water reclamation process
07/08/1980US4211646 Waste water process
07/08/1980US4211645 Foam flotation activated sludge process
07/08/1980US4211613 Geothermal mineral extraction system
07/08/1980US4211609 Apparatus for desalinating water
07/08/1980US4211368 Device for aerating and chemically activating shower water
07/08/1980CA1081378A1 Continuous fermentation process and apparatus
07/08/1980CA1081376A1 Ozone disinfection in waste water treatment with recycling of ozonation off gas
07/08/1980CA1081255A1 Stable substituted acrylamides or methacrylamides
07/01/1980US4210680 Apparatus and a process for treating waste
07/01/1980US4210624 Universal chlorinator module
07/01/1980US4210535 Magnetic treatment devices for water pipelines
07/01/1980US4210532 Water conditioner rotary valve structure
07/01/1980US4210531 Process for dewatering mineral concentrates
07/01/1980US4210530 Treatment of metal plating wastes with an unexpanded vermiculite cation exchange column
07/01/1980US4210494 Sparging to entrain moisture to point of saturation
07/01/1980US4210121 Solar energy collection
07/01/1980CA1080863A1 Process for treating waste water
07/01/1980CA1080664A1 Apparatus for producing high-purity water
07/01/1980CA1080663A1 Waste water process
06/1980
06/26/1980WO1980001294A1 Removing oil
06/26/1980WO1980001293A1 Removing and collecting oil
06/25/1980EP0012618A2 Electrolysis cell
06/25/1980EP0012256A1 Multi-stage flash evaporator
06/25/1980EP0012221A1 Mercury contamination indicator and its use as an indicator and as a decontaminator
06/25/1980EP0012199A1 Attachment for fluid pipe lines for controllably dissolving solid material into the fluid stream
06/25/1980EP0012162A1 A method for the treatment of reducible hydrocarbon-containing aqueous streams
06/25/1980EP0012151A1 Process and device for the removal of slag resulting from coal gasification
06/24/1980US4209399 Process for the working up and regeneration of wash waters containing ammonium
06/24/1980US4209397 Flocculants for aqueous systems
06/24/1980US4209395 Calcium carbonate seeding
06/24/1980US4209393 Sewage sludge additive
06/24/1980US4209389 Sewage treatment with kefir milk acid bacteria
06/24/1980US4209382 Oil adsorbent and process for preparation thereof
06/24/1980US4209364 Process of water recovery and removal
06/24/1980US4209363 Solar still apparatus
06/24/1980CA1080376A1 Process for regeneration of mixed anion and cation exchanged resins
06/24/1980CA1079904A1 Method for clarifying water layers formed in asphaltic sand treatment
06/23/1980EP0018366A4 Method and apparatus for effecting subsurface, controlled, accelerated chemical reactions.
06/17/1980US4208491 Graft curing of elastomers with adsorbed monomers
06/17/1980US4208376 Water treatment chemical dispenser with control tube
06/17/1980US4208283 Treatment with lime, chlorination
06/17/1980US4208282 Process for the purification of sewage while recapturing the fatty and albuminous matter in reusable form
06/17/1980US4208281 Method of producing active filters more particularly for the treatment of water and waste water
06/17/1980US4208280 Extraction method
06/17/1980US4208258 Method for the recovery of mercury and other heavy metal ions from a liquid stream
06/17/1980US4208245 Pretreating black liquor with sodium bisulfite produced by combusting by-product noncondensibles and treating with sodium carbonate
06/17/1980CA1079887A1 Flocculant poly (vinyl imidazolinium) bisulfate in inert oil
06/17/1980CA1079876A2 Coal-base landfill leachate treatment
06/17/1980CA1079747A1 Basic detergent for liquid lyes
06/17/1980CA1079681A1 Electrolytically oxidizing organic materials and trivalent chromium in chromic acid solution
06/17/1980CA1079650A2 Coal-base landfill, leachate treatment
06/12/1980WO1980001161A1 Process for desalination of sea water
06/11/1980EP0012067A1 Cleaning device for liquid surfaces
06/11/1980EP0012006A2 Heat cycle system and method for producing fresh water from brine
06/11/1980EP0012000A1 Prevention of deposits on metal surfaces
06/11/1980EP0011798A1 Apparatus for producing a potable liquid from sea-water, polluted water and the like by osmosis
06/11/1980EP0011776A1 Apparatus for sterilising fluids
06/10/1980US4207378 Expanded styrene-polymers and polyolefin micro-bits and their preparation
06/10/1980US4207256 Treatment of water vapor generated in concentrating an aqueous urea solution
06/10/1980US4207201 Process for the manufacture of an aqueous iron (III)-chloride-sulfate solution
06/10/1980US4207184 Decoloring by absorption with solvated polymer gel
06/10/1980US4207183 Prevention of solute deposition fouling in membrane processes
06/10/1980US4207179 Biotreatment using carbon treated recycle and/or clarifier effluent backwash
06/10/1980CA1079424A1 Process for treating nitric effluents
06/10/1980CA1079423A1 Process for treatment waste waters
06/03/1980US4206233 Microbiocidal quaternaries of halogen derivatives of alkynoxymethyl amines
06/03/1980US4206229 Preservation of aqueous systems with α-bromo-β-aminocrotononitrile
06/03/1980US4206080 Method of producing of treating material for oil-containing waste water
06/03/1980US4206052 Multi stage flocculation treatment system
06/03/1980US4206051 Process for demineralizing saline solutions
06/03/1980US4206049 Recovery of uranium by a reverse osmosis process
06/03/1980US4206048 Process for purification of contaminated water
06/03/1980US4206031 Foam generating method and apparatus
06/03/1980US4206030 Electrode assembly
06/03/1980US4205963 Process for gas cleaning with reclaimed water and apparatus for water reclamation
06/03/1980US4205962 Process for gas cleaning with reclaimed water
06/03/1980CA1078747A1 Treatment of textile desizing effluent
05/1980
05/29/1980WO1980001108A1 In-line distillation system
05/29/1980WO1980001067A1 Method for sewage treatment with bacteria
05/28/1980EP0011484A1 Removal of metals from solution
05/28/1980EP0011423A2 Stack pack electrolytic cell
05/28/1980EP0011327A1 Method of reducing aerosolization of wastewater
05/28/1980EP0011319A1 Filter plant
05/27/1980US4205147 Acidification and heat to dissolve copolymer containing carboxylic or sulfonic acid moieties
05/27/1980US4204973 Barium chromate
05/27/1980US4204956 Water purification system
05/27/1980US4204955 System for pollution suppression
05/27/1980US4204954 Detoxification of residual quaternaries
05/27/1980US4204953 Process for alkaline scaling
05/27/1980US4204940 Apparatus for producing foam