Matches 151 - 200 out of 322 < 1 2 3 4 5 6 7 >


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4846951 Process and apparatus for controlling gasket force in electrolysis cells  
The present invention is directed to a process and apparatus for controlling the pressure load on gaskets of an electrolysis cell by comparing the internal cell pressure to the pressure of the...
4839013 Electrode assembly for gas-forming electrolyzers  
In an electrode assembly for gas-forming electrolyzers, particularly for monopolar membrane electrolyzers comprising vertical plate electrodes and opposite electrodes and a membrane between the...
4801369 Preventing fluids in leakable enclosures from intermixing  
Disclosed is an apparatus which comprises a first enclosure for containing a first fluid, a second enclosure for containing a second fluid, a pathway between the first and second enclosures...
4786384 Electroytic cell for treatment of metal ion containing industrial waste water  
To provide for essentially uniform current density at the respective cathodes of an electrolytic cell, a plurality of cathodes are located, spaced from each other, at one side of an anode, and...
4743350 Electrolytic cell  
An electrolytic membrane cell for the electrochemical production of an alkali metal hydrosulfite by the reduction of an alkali metal biosulfite component of a circulated aqueous catholyte solution...
4720331 Method and apparatus for electrolyzing water  
An electrolyzer for electrolysis of water comprises a series of cells each including a substantially open porous anode plate and a substantially open porous cathode plate disposed on either side...
4705614 Cell with improved electrolyte flow distributor  
In a stacked plurality of similar electrolysis cells, each cell having an overhead gas for accumulating gasses produced thereby, the apparatus of the present disclosure includes a shaped...
4698144 Apparatus for balancing electrolytic cell gas with circulating electrolyte  
An apparatus used in high pressure electrolytic cell operation which allows a cell to be operated at high pressures while providing balanced interface pressures between circulating liquids and...
4687565 Electrolytic cell for producing periodates  
An improved electrolytic cell of simple construction capable of satisfactorily producing periodates comprises a plurality of cathodes mounted vertically in parallel to the long sides of a cell...
4666579 Structural frame for a solid polymer electrolyte electrochemical cell  
A structural frame adapted for use in a solid polymer electrochemical cell, which comprises a generally planar organic plastic member having a plurality of horizontally and vertically spaced-apart...
4648955 Planar multi-junction electrochemical cell  
An improved arrangement of electrochemical cells wherein the individual cells are arranged on a single electrolytic membrane. The arrangement provides for the placement of many individual cells in...
4639302 Electrolytic cell for recovery of metals from metal bearing materials  
An electrolytic cell for recovery of metal from mineral ores or concentrates comprising a tank for holding a slurry of electrolyte and the mineral ore or concentrates. Vertical anodes are radially...
4639303 Electrolysis apparatus with horizontally disposed electrodes  
In this electrolysis apparatus for the preparation of chlorine from aqueous alkali halide solutions, which comprises at least one electrolytic cell, the anode and gas diffusion cathode are...
4632739 Electrolytic cell head with replaceable insert and method of protecting the same  
A cell head for an electrolytic cell includes a generally tubular protective insert concentrically positioned within the head to shield the inner side walls thereof from the scouring action of...
4605482 Filter press type electrolytic cell  
A filter press type ion exchange membrane electrolytic cell which comprises an anode compartment and a cathode compartment partitioned by a cation exchange membrane and which is useful for...
4596648 Continuous electrolytic gas generator  
A continuous electrolytic generator is disclosed having two sealed compartments, separated by a cation exchange membrane, having a cathode in one compartment, and an anode in the other. A bipolar...
4566950 Method of monitoring an electrolytic cell  
A method of employing wire reference electrodes in an electrolytic cell with at least one voltmeter to monitor the potential of the cell components and the cell is provided wherein the wire...
4555323 Chlorination device  
A system to generate chlorine to disinfect a body of water. The system has a pump to move water through the system, a filter and an electrolytic cell able to generate chlorine by the electrolysis...
4521281 Process and apparatus for continuously producing multivalent metals  
An electrolytic cell is described for continuously producing multivalent metals, in particular titanium and titanium alloys. The cell is physically separated into a plurality of zones to better...
4505789 Dynamic gas disengaging apparatus and method for gas separation from electrolyte fluid  
In an electrolytic cell there is provided an improved gas-liquid disengager design which employs an arcuate interior periphery in conjunction with the existing kinetic energy of the electrolyte...
4502935 Electrolytic cell having a membrane and vertical electrodes  
In an electrolytic cell having a membrane and vertical electrodes composed of a plurality of units, a. the electrode having one polarity is horizontally divided into a plurality of units, b. the...
4500402 Reference electrode  
A wire reference electrode and a method of employing the wire reference in an electrolytic cell is provided wherein the wire reference electrode comprises a lead-in wire portion, a reference wire...
4477321 Sacrificial reinforcements in cation exchange membrane  
A fluorocarbon cation exchange membrane containing a sacrificial reinforcement for tear resistance which, in use as a cation exchange membrane for alkali metal chloride electrolysis, degrades to...
4475994 Method and apparatus for separating oxygen from a gaseous mixture  
A process and apparatus is provided for separating oxygen from a mixture of gases such as air. The apparatus includes an electrochemical cell that includes a cathode, an anode and an electrolyte....
4469577 Membrane electrolysis cell  
The invention relates to a membrane electrolysis cell of the filter press type with one or more plate-type electrode pairs, each comprising at least one non-continuous active central part, with a...
4469571 Replacement of a structurally damaged membrane  
Disclosed is a method of replacing a structurally damaged membrane after determining which membrane in a multiple unit filter press membrane electrolytic cell is damaged in response to cell...
4469578 Hydrogen vent assembly  
An improved three-piece polymeric hydrogen vent assembly for use on chlor-alkali diaphragm cells comprises an elongated tube containing a standpipe and an inverted cup which separates the...
4459196 Electrolytic cells  
Disclosed is a vertical and monopolar box type electrolytic cell for the electrolysis of an aqueous alkali metal chloride solution providing a cation exchange membrane as a separator between...
4451347 Filter-press type electrolyzer for water  
This invention relates to a filter press type electrolyzer for water comprising pressure-resistant decomposing cells, each of which contains an electrolyte chamber, which is divided by a diaphragm...
4445994 Electrolyzer for alkaline water electrolysis  
The invention concerns an electrolyzer for alkaline water electrolysis whose cells are formed by a diaphragm provided with electrodes between 2 bi-polar separator plates as well as a process for...
4444631 Electrochemical purification of chlor-alkali cell liquor  
An apparatus is provided for reducing the amount of alkali metal chlorate present in the cell liquor from a chlor-alkali cell, said apparatus comprising an electrochemical cell having at least one...
4439298 Composite fiber reinforced plastic frame  
A composite fiber reinforced plastic frame is provided wherein a core material at least partially formed from the continuous wrapping of roved layers of glass fiber impregnated with a catalyzed...
4431495 Location of a structurally damaged membrane  
Disclosed is a method of determining which membrane in a multiple unit filter press membrane electrolytic cell is structurally damaged after cell operating conditions and monitorings indicate the...
4425215 Gas generator  
A gas generator assembly comprising a three plate cell employable in a series of cells to form a generator having a minimum number of parts.
4416758 Gas extraction  
An electrochemical cell used to separate gas from a gaseous mixture by reduction of said gas at the cathode and regeneration of said gas at the anode is characterized in that one or more...
4401529 Raney nickel hydrogen evolution cathode  
An improved hydrogen evolution cathode with a conductive metal core and an integral Raney-type catalytic surface predominantly derived from an adherent ternary aluminide Beta structured...
4391693 Chlorine cell design for electrolyte series flow  
Chlor-alkali electrolytic membrane cells are provided with means for flowing catholyte from cell-to-cell sequentially, and means for flowing anolyte from cell-to-cell sequentially.
4384937 Production of chromic acid in a three-compartment cell  
Chromic acid is now efficiently prepared in a process using dichromate, such as the dichromate typically available as an intermediate in the chromic acid production from chrome ore. In the...
4382849 Apparatus for electrolysis using gas and electrolyte channeling to reduce shunt currents  
An electrolyzer for the generation of hydrogen gas having parallel electrodes comprising a single cell with multiple cells connected in a series arrangement and a common electrolyte passing there...
4381984 Electrode frame  
In a filter press membrane electrolytic cell there is provided a reinforced electrode frame channel that is backed by a reinforcing strip which also serves as a gasket restraint when the adjacent...
4379044 Installation for degassing and recycling the electrolyte in an electrolyzer for producing gas  
Electrolysis return circuit for an electrolysis installation, e.g. for electrolysis of pressurized water.Passage is provided from the anolyte outlet (1) to the anolyte inlet (3) via a direct...
4377455 V-Shaped sandwich-type cell with reticulate electodes  
An electrolytic cell for the electrolysis of aqueous solutions to produce gaseous products is comprised of a housing, a separator traversing said housing to form an anode compartment and a cathode...
4375400 Electrolyte circulation in an electrolytic cell  
In a filter press membrane chloralkali electrolytic cell there is provided an improved external electrolyte recirculation system wherein the salt brine and deionized water replenisher feed lines...
4369102 Electrolysis apparatus for decomposing water into hydrogen gas and oxygen gas  
An electrolysis apparatus decomposes water into hydrogen gas and oxygen gas. The apparatus comprises a housing for the water to be decomposed, a plurality of symmetrically folded and edged...
4358357 Apparatus for the electrolysis of water  
The electrolytic apparatus includes at least one set of cells housed in a stack of annular spacer frames, annular bearing surfaces of which indicate joint planes extending to the exterior of the...
4354905 Method for the electrolysis of an aqueous solution of an alkali metal chloride and an anode therefor  
The use of a perforated plate anode in combination with a cation exchange membrane has been found to be extremely effective for rendering the current distribution in the cation exchange membrane...
4344833 Restrictor apparatus for electrolyte flow conduit  
In an electrolytic filter press cell having an electrolyte fluid circulated through anode and cathode frames, a cell frame at least partially supporting an anolyte disengager and a catholyte...
4344832 Electrode system for a fuel or electrolysis cell arrangement  
An electrode system comprises two discs or plates forming an anode and a cathode, each of the discs or plates having a structure of parallel ridges and grooves on at least one of the main...
4340459 Electrolytic cell with oxygen-depolarized cathodes  
A porous, two layer electrode which may be used as an anode or a cathode and a cell using one or more of the electrodes. The electrode is in a pocket shaped configuration with the inner layer...
4340460 Internal downcomer for electrolytic recirculation  
In a filter press membrane electrolytic cell having a plurality of electrodes, each electrode being of predetermined thickness and separated from the adjacent electrode by an ion-selective...

Matches 151 - 200 out of 322 < 1 2 3 4 5 6 7 >