Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
02/1995
02/08/1995CN1098385A Electric filtering type water purifier
02/08/1995CN1098384A Catalytic type deoxygen resin
02/08/1995CN1098328A Method for purifying and recovering sodium carbonate solution from sodium carbonate waste liquid containing phenol, etc.
02/08/1995CN1027584C Purifying treating method for waste water containing copper, zinc complex ion
02/08/1995CA2129606A1 Method for doping of flowing water with acrolein and a dev ice for the performance thereof
02/07/1995US5387717 Method for the detoxification of mustard gas, sulfur-containing quaternary ammonium ionene polymers and their use as microbicides
02/07/1995US5387407 Process for the recovery of ammonia from flue gases
02/07/1995US5387405 Bayer liquor polishing
02/07/1995US5387400 Ozonization by radiating a charged oxygen gas
02/07/1995US5387398 Wall lining formed of laminated platelets individually etched
02/07/1995US5387379 Washing method for workpiece
02/07/1995US5387365 Polyamine or polyethyleneimine derivatives with at least one dithiocarboxyl group or salt therof
02/07/1995US5387350 Method and apparatus for treating and disinfecting infectious wastes
02/07/1995US5387349 Liquid phase reaction process
02/07/1995US5387344 Withdrawing water stream from pond, contacting with air to produce aerated water stream and off-gas stream, returning water to pond, passing off-gas through fixed bed biofilter
02/07/1995US5387343 Method for improving bottom and water quality in water areas and a set of agents used in the method
02/07/1995US5387324 Causing fluid to flow in specified sequence over electrodes with different electrochemical potentials
02/02/1995WO1995003345A1 Desalination process
02/02/1995WO1995003342A1 Maleic copolymer, process for producing the same and use thereof
02/02/1995WO1995003261A1 Treating unsaturated hydrocarbons
02/02/1995WO1995003254A1 Monitoring biological activity in wastewater
02/02/1995WO1995003253A1 Method of aeration of liquids
02/02/1995WO1995003177A1 Process and device for treating washing liquid in printing presses, particularly for offset printing presses
02/02/1995WO1995003123A1 Apparatus for providing a regenerant solution to a regenerable liquid treatment medium bed
02/02/1995WO1995003119A1 Electrodialyzer for desalinating salt solutions and process for desalinating salt solutions by electric dialysis
02/02/1995WO1995003118A1 Treating waste from glycol dehydrator using pervaporation
02/02/1995DE4325786A1 Process for purifying glycerol water
02/02/1995DE4325535A1 Process for separating off phosphates from wastewaters
02/02/1995DE4325409A1 Container produced from composite glass fibre material
02/01/1995EP0636583A1 Process for purifying organically polluted wastewater
02/01/1995EP0636582A1 Process for the purifying of waters for human consumption
02/01/1995EP0636581A1 Electrolyzed water producing method and apparatus
02/01/1995EP0636577A1 Process for treatment of sodium hydroxide waste liquor containing aluminium
02/01/1995EP0636401A1 Process water recycling plant
02/01/1995EP0636110A1 Process for decreasing chlorine content of polychlorinated hydrocarbons
02/01/1995EP0636109A1 Apparatus for cleaning waste water and waste sludge by means of ion exchangers
02/01/1995CN2188584Y Small size domestic groundwater iron-removing apparatus
02/01/1995CN2188583Y Optical exciting chlorine dioxide compound disinfectant generator
02/01/1995CN2188582Y Fluid magnetic treating device
02/01/1995CN2188581Y Multi-function desalination device
02/01/1995CN2188414Y Reciprocating sieve-plate column
02/01/1995CA2129170A1 Process for treating organically polluted water
01/1995
01/31/1995US5386079 Wastewater treatment process
01/31/1995US5385938 application of mixtures containing hydroxyacetic acid(or its salts) to skin
01/31/1995US5385896 Biocidal compositions and treatments
01/31/1995US5385741 Reducing calcium ion content of calcium alginate gel by contacting with aqueous solution of acid
01/31/1995US5385711 Electrolytic cell for generating sterilization solutions having increased ozone content
01/31/1995US5385677 Injection of hydrogen peroxide
01/31/1995US5385675 Method for oil spill dispersion
01/31/1995US5385667 Apparatus for the purification of shower water
01/31/1995US5385665 Apparatus for the foaming of organic components in water
01/31/1995US5385664 Apparatus for producing ultrapure water
01/31/1995US5385653 Demetallization using coal particles
01/31/1995US5385650 Recovery of bromine and preparation of hypobromous acid from bromide solution
01/31/1995CA1334223C Water purification process and apparatus employing nylon 4
01/31/1995CA1334222C Slime control for primary filtration systems
01/31/1995CA1334221C Apparatus and method for recovering materials from process baths
01/31/1995CA1334220C Apparatus and method for treatment and disposal of infectious waste
01/28/1995CA2101342A1 Discharging system
01/26/1995WO1995002895A1 Process and apparatus for the treatment of semiconductor wafers in a fluid
01/26/1995WO1995002745A1 Control of scale deposition in geothermal operations
01/26/1995WO1995002725A1 Apparatus and method for purifying a liquid by adsorption
01/26/1995WO1995002712A2 Use of carboxylic acids in agents for the treatment of metal surfaces
01/26/1995WO1995002556A1 Environmentally acceptable waste disposal by hydrothermal decomposition of labile compounds
01/26/1995WO1995002452A1 Process for preparing sorbents from polysaccharide-containing raw materials, sorbents and their use
01/26/1995DE4400604C1 Disinfection for the product water of a reverse osmosis unit
01/26/1995DE4324926A1 Process for removing urea from an aqueous solution
01/26/1995CA2167283A1 Process and apparatus for the treatment of semiconductor wafers in a fluid
01/25/1995EP0635586A1 Process for regenerating hydrochloric acid from pickling installations
01/25/1995EP0635458A1 Process for purification of acid or alkaline waste waters and liquid raw condensates, particularly of condensates from flue gases of combustion plants burning fossil fuels
01/25/1995EP0635304A1 Flashsoftener
01/25/1995EP0635072A1 Electrolytic cell assembly and process for production of bromine
01/25/1995EP0375739B1 Water clarification system adapted for removing particulate matter of greater than a predetermined size
01/25/1995CN2188145Y Self-closing quick-acting mineralizing and magnetizing water tap
01/25/1995CN2187977Y Amphoteric ion-exchanger
01/25/1995CN1097859A Window type health solar water heater
01/25/1995CN1097720A Fluorine reducing agent for drinking water and its preparing method
01/25/1995CN1097717A Low temperature caustic sulfide wet oxidation process
01/25/1995CN1097643A Improvement of filtering apparatus used for purification of liquid, especially water
01/24/1995US5384508 Modular unit for a tubular ultrasonic reactor
01/24/1995US5384051 To accelerate oxidation of fuels
01/24/1995US5384050 Corrosion resistance, redox catalysts
01/24/1995US5384036 Pollution control
01/24/1995US5384032 Water purifying and sterilizing apparatus
01/24/1995CA1334044C Waste tank for a vacuum sewage system
01/23/1995CA2124363A1 Method and composition for controlling the growth of microorganisms
01/19/1995WO1995001936A1 Fluid treatment method
01/19/1995WO1995001836A1 Adsorbent material production process
01/19/1995WO1995001829A1 Apparatus and method for dissolving solids
01/19/1995WO1994026086A3 Improvements relating to plastics articles
01/19/1995DE4418355A1 Process for treating waste waters from the cleaning of smoking chambers
01/19/1995DE4416969A1 Apparatus for treating flowing liquids
01/19/1995DE4323811A1 Method and arrangement for removing liquid from a solid/liquid mixture
01/19/1995DE4323212A1 Apparatus for treating flowing media with ultrasound
01/19/1995CA2166717A1 A method for the production of adsorption material
01/18/1995EP0634370A1 Process for treatment of nitrogenous effluents using sludges as substrate
01/18/1995EP0634369A1 Process and installation for water purification with physiko-chemical denitrificating sludges
01/18/1995EP0634367A1 Method and apparatus for improving liquid flow
01/18/1995EP0634366A1 Method and apparatus for gas/liquid contact
01/18/1995EP0634365A1 Breaking down aromatic compounds in industrial wastewaters