|
Match
|
Document |
Document Title |
|
|
8025787 |
Method and apparatus for generating, applying and neutralizing an electrochemically activated liquid
A method and apparatus are provided for receiving a cleaning liquid having a pH in a range between pH6-pH8 and an oxidation reduction potential (ORP) between ±50 mV. The liquid is converted into ...
|
|
|
8007653 |
Method and appartus for operation of pool cleaner with integral chlorine generator
An automated self-propelled pool cleaner having a housing, a water pump for moving water through the housing, drive means for moving the pool cleaner over the surface of the salt water pool to be...
|
|
|
7857953 |
Oxygen-reducing gas diffusion cathode and method of sodium chloride electrolysis
The present invention provides an oxygen-reduction gas diffusion cathode having: a porous conductive substrate; diamond particle having a hydrophobic surface; and catalyst particle, the diamond...
|
|
|
7846318 |
Polyaluminum chloride and aluminum chlorohydrate, processes and compositions: high-basicity and ultra high-basicity products
The invention relates generally to processes for the production of high-basicity and ultra-high basicity polyaluminum chlorides including aluminum chlorohydrate. The processes can produce products...
|
|
|
7566388 |
Electrode catalyst for oxygen reduction and gas diffusion electrode
An electrode catalyst comprising a conductive carrier, and a mixture containing a particulate noble metal and at least one particulate rare-earth oxide, the mixture being supported on the...
|
|
|
7361276 |
Apparatus and method for osmotic membrane distillation
A method of enhancing the concentration of a first inorganic compound in a first aqueous solution of a first process of a heavy chemical plant, the method comprising (a) feeding the first solution...
|
|
|
7238278 |
Apparatus for purifying water
The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in...
|
|
|
6440293 |
Electrode and electrolyte for use in preparation of nitrogen trifluoride gas, and preparation method of nitrogen trifluoride gas by use of them
An electrode for electrolyzing an electrolyte comprising an ammonium fluoride (NH4F)-hydrogen fluoride (HF)-containing molten salt and having a composition ratio (HF/NH4F) of 1 to 3 to prepare a...
|
|
|
6428677 |
Bromide removal
A chlorination system in which brine is converted to sodium hypochlorite by an electrolyser. Brine (1) fed to the electrolyser (3) is passed through a filter (2) which is capable of adsorbing...
|
|
|
6395153 |
Diaphragm cell
The present invention pertains to electrolytic diaphragm cells, particularly for the electrolysis of brine to produce chlorine and caustic. The innovation resides generally in the discovery that...
|
|
|
6039861 |
Electrochemical reactions
The invention provides an electrochemical reaction wherein a controlled amount of a first reagent is generated electrochemically at an electrode in electrical contact with a solution of an...
|
|
|
5716512 |
Method for manufacturing salts of metals
Process and equipment for manufacturing salts of metals, particularly nickel hypophosphite, are disclosed.
|
|
|
5709791 |
Method for producing oxygen and hydrogen
There are provided a method of producing a hydrogen halide and oxygen by reacting water with a halogen using activated carbon as a catalyst, a method of producing hydrogen by thermal decomposition...
|
|
|
5565080 |
Preparation of anhydrous magnesium chloride-containing melts from hydrated magnesium chloride
In accordance with the present invention, there is now provided a process for the production an anhydrous magnesium chloride-containing melt or electrolyte containing very low levels of MgO,...
|
|
|
5423960 |
Method and apparatus for manufacturing iodine-free iodides
An electrochemical process and equipment for preparing iodides, e.g. hydriodic acid (HI), iodide salts and other iodide compounds, substantially free of iodine, are disclosed.
|
|
|
5254224 |
Method for increasing the molar ratio of aluminum to chlorine in polyaluminum chloride solutions
Disclosed is a method for increasing the molar ratio of aluminum to chlorine in a polyaluminum chloride solution by the electrochemical dissolving of aluminum, including contacting a polyaluminum...
|
|
|
5181993 |
Process for converting ferrous ions to ferric ions
Enclosed herein is an apparatus for converting an ionic valence number which comprises a gas permeable membrane comprising a catalyst-supporting reaction layer and a hydrophobic gas permeable layer...
|
|
|
5009751 |
Process for separation of hafnium tetrachloride from zirconium tetrachloride
Separation of hafnium tetrachloride from zirconium tetrachloride by introducing zirconium tetrachloride containing about 2-4 wt percent of hafnium tetrachloride into an electrolytic cell filled...
|
|
|
4992148 |
Process for the electrolytic manufacture of alkali metal sulphide
Process for the manufacture of alkali metal sulphide, in which an electrolysis cell is used in which a membrane which is selectively permeable to cations separates an anode chamber containing an...
|
|
|
4865694 |
Electrochemical decomposition of complexes of zirconium or hafnium
This is an improved method for separating hafnium from zirconium of the type where a complex of zirconium and hafnium chlorides and phosphorus oxychloride is prepared from zirconium-hafnium...
|
|
|
4776930 |
Process for the preparation of potassium nitrate
A process is disclosed for the preparation of potassium nitrate by means of the reaction of nitric acid with potassium carbonate, wherein potassium carbonate is obtained by means of an...
|
|
|
4707224 |
Device and method for fluorinating compounds
A method and an apparatus are described for fluorinating substances utilizing a fluoride-ion valve.
|
|
|
4704259 |
Removal of chromium from cell liquor
Soluble hexavalent chromium values are removed from aqueous chlorate solutions by employing a critical effective ratio of OH- :Cr2 O7= ions of at least 3:1 in the aqueous chlorate solution and by...
|
|
|
4330377 |
Electrolytic process for the production of tin and tin products
Tin ions are provided to the electrolyte-containing cathode compartment of an electrolysis cell in which the anode and cathode compartments are separated by a cationic permselective membrane. The...
|
|
|
4220505 |
Separation of hydrogen sulfide from fluid streams
A liquid solution containing a tri-halide from the halogen group consisting of bromine and iodine is passed in countercurrent flow with fluids containing sulfur compounds, including hydrogen...
|
|
|
RE30081 |
Ion exchange chromate removal
The present invention relates to removal of chromate from an aqueous solution of an alkali metal chlorate and chloride, particularly sodium chlorate and sodium chloride in a selected ratio which...
|
|
|
4162206 |
Separation of iodine from mercury containing scrubbing solutions
Radioactive iodines can be recovered from a nitric acid scrub solution containing mercuric nitrate by passing a current through the scrub solution to react the iodine with the mercuric nitrate to...
|
|
|
4082631 |
Absorption of chlorine gas
A process for the absorption of chlorine from a chlorine-containing gas, comprising contacting the chlorine-containing gas with an aqueous solution containing about 1 to 400 g/l of iron(II)...
|
|
|
3979498 |
Recovery of cesium and palladium from nuclear reactor fuel processing waste
A method of recovering cesium and palladium values from nuclear reactor fission product waste solution involves contacting the solution with a source of chloride ions and oxidizing palladium ions...
|
|
|
3893897 |
Method of operating electrolytic diaphragm cells having horizontal electrodes
Disclosed is a method of operating an electrolytic cell divided into an anolyte chamber and a catholyte chamber by a substantially horizontal, permeable barrier. The anolyte chamber is above the...
|
|
|
3794571 |
REGENERATION OF FERRIC CHLORIDE COPPER ETCHING SOLUTIONS
|
|
|
3556973 |
METHOD OF AND AN APPARATUS FOR READJUSTING THE ANODES IN THE CELLS OF ELECTROLYSIS PLANTS
|
|
|
3394060 |
Process for electrolytically regenerating ferric chloride etching solutions
|
|
|
3330746 |
Electrolytic synthesis of metallic halides
|
|
|
3300397 |
Electrolytic production of metallic fluoborates
|
|
|
3278403 |
Direct and simultaneous production of inorganic alkaline salts, chlorine and cathodic products
|
|
|
3222267 |
Process and apparatus for electrolyzing salt solutions
|
|
|
3220941 |
Method for electrolysis
|
|
|
3113911 |
Process of preparing aluminum chlorhydroxides and aluminum hydroxide
|
|
|
2989450 |
Preparation of alkali metal halides
|
|
|
2798039 |
Electrolytic production of titanium dichloride
|