Matches 201 - 250 out of 322 < 1 2 3 4 5 6 7 >

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4339324 Polycell gas generator  
An improved gas generator comprising a multiplicity of electrolytic cells arranged to accommodate a series current path, parallel electrolytic flow and minimized leakage current paths, in a...
4339321 Method and apparatus of injecting replenished electrolyte fluid into an electrolytic cell  
In a filter press membrane chloralkali electrolytic cell having a plurality of electrodes with an external anolyte gas-liquid disengager in fluid flow communication with each anode via conduit...
4336115 Acid base production unit  
The production of acid and base is effected by the electrolysis of a metal halide salt solution across an ion-exchange membrane. The base is removed directly from the cathode and the hydrogen and...
4336122 Electrolysis apparatus  
An electrolysis apparatus is disclosed and comprises a plurality of cells connected in series both on the current flow path (an electrical course being connected across the end ones of the...
4331523 Method for electrolyzing water or aqueous solutions  
In a method for electrolyzing water or an aqueous solution using a cation-exchange membrane provided between an anode and a cathode, the improvement wherein one or both of the anode and cathode...
4329215 Sodium hypochorite production and storage system  
System for the production and storage of sodium hypoclorite consisting of a source of soft or deionized water, a storage tank of saturated salt brine solution, a storage tank for soft or deionized...
4323442 Electrolysis installation for the production of gas  
An electrolysis installation such as an installation intended for the industrial production of hydrogen and oxygen by electrolysis of water under pressure having separate anolyte and catholyte...
4323435 Method of operating a solid polymer electrolyte chlor-alkali cell  
Disclosed is a method of operating a solid polymer electrolyte chlor-alkali cell by imposing a pulsative current, e.g., pulsed direct current, half wave alternating current, or rectified...
4322281 Method for controlling foaming within gas-liquid separation area  
A method of varying the flow in a flow conduit from both the anolyte disengager and the catholyte disengager to each appropriately corresponding electrode is provided to selectively vary the flow...
4309264 Electrolysis apparatus  
The electrolysis apparatus for the manufacture of chlorine from aqueous alkali metal halide solutions has at least one electrolysis cell the electrodes of which, separated by a separating wall,...
4294683 Electrolysis unit  
Electrolysis unit such as a unit, for producing hydrogen and oxygen industrially by the electrolysis of water under pressure, includes a flow regulating apparatus (49) in each of the circuits (24,...
4292146 Porous polyfluoroalkylene sheet useful for separating anolyte from catholyte in electrolytic cells  
A porous polyfluoroalkylene sheet, very preferably of polytetrafluoroethylene, which is suitable for use as a separator in an electrolytic cell, such as one used for the electrolysis of brine, has...
4288310 Membrane support assembly for electrolytic cell and method of making same  
Method of supporting a preformed membrane in an electrolytic cell, and apparatus therefor, which comprises casting in situ support plates about the open edges of the membrane.
4285786 Apparatus and method of monitoring temperature in a multi-cell electrolyzer  
An apparatus and method of monitoring temperature in a multicell electrolyzer used to produce a gaseous product from a liquid phase electrolyte by placing a single temperature sensing means in the...
4280883 Method of operating a solid polymer electrolyte chlor-alkali cell  
Disclosed is a method of operating a solid polymer electrolyte chlor-alkali cell at an elevated pressure with the recovery of liquid chlorine and brine. The liquid chlorine and depleted brine are...
4267030 Apparatus for checking gas analysis devices  
An apparatus for checking gas analysis devices in respect of their sensitivity and their response and regeneration behaviour with respect to time, wherein a reproducible quantity of the...
4256562 Unitary filter press cell circuit  
A unitary filter press cell circuit is described. The circuit comprises a plurality of individual electrolytic cells mounted on a support structure positioned parallel to the longitudinal axis of...
4256554 Electrolytic cell for separating chlorine gas from other gases  
An electrolytic cell for separating chlorine gas from other (foreign) gases, having an anode electrode, a cathode electrode, a gas impermeable (but liquid permeable) membrane interposed between...
4252628 Membrane cell  
A monopolar filter press electrolytic cell suitable for use in the electrolysis of an aqueous alkali metal halide brine to produce (cell liquor, halogen and hydrogen, the cell comprising a...
4247376 Current collecting/flow distributing, separator plate for chloride electrolysis cells utilizing ion transporting barrier membranes  
A unique, current conducting bipolar separator in a cell for electrolysis of chlorides makes multiple contact with the anodes and cathodes bonded to an ion transporting membrane in an electrolysis...
4242193 Layered membrane and processes utilizing same  
The invention relates to a membrane assembly and processes for the utilization of the membrane assembly, or membrane assemblies having like properties. The membrane assembly comprises intermixed...
4242185 Process and apparatus for controlling impurities and pollution from membrane chlor-alkali cells  
An improved integrated and cyclic process and apparatus are disclosed wherein portions of various process and waste fluids are recycled to control impurities in the influents to membrane...
4236989 Electrolytic cell  
Disclosed is an electrolytic cell having an electrode pair of interleaved anode and cathode fingers with a synthetic separator, i.e., a permionic membrane or a microporous diaphragm, therebetween....
4233147 Membrane cell with an electrode for the production of a gas  
An electrode for the production of gas in an electrolytic cell of the membrane type with substantially vertical electrodes. The electrode is a substantially vertical conducting plate having a...
4230544 Method and apparatus for controlling anode pH in membrane chlor-alkali cells  
An improved process and apparatus for pH control in the anode compartments of membrane chlor-alkali cells is disclosed wherein an anode is used having an oxygen evolution efficiency substantially...
4219394 Membrane assembly for electrolytic cells  
In an electrolytic cell of the membrane type wherein the anolyte and catholyte are separated by a hydraulically impermeable membrane, the improvement comprising limiting the hydraulically...
4213833 Electrolytic oxidation in a cell having a separator support  
The diaphragm or equivalent element in an electrolytic cell is disposed on and maintained by a foraminous metallic or other electroconductive support structure which is electrically connected to...
4212722 Apparatus for electrowinning metal from metal bearing solutions  
A process and an apparatus for electrowinning metal from metal bearing solutions is disclosed. A support solution containing a predetermined metal concentration is continuously recirculated...
4210515 Thermoplastic fibers as separator or diaphragm in electrochemical cells  
Discrete thermoplastic fibers of fluorohydrocarbons and other self-bonding thermoplastic fibers are deployed as separators or diaphragms in electrochemical cells.
4210512 Electrolysis cell with controlled anolyte flow distribution  
A unique, current conducting, separator element with controlled anolyte flow distribution is incorporated in an electrolysis cell having anode and cathode electrodes bonded to an ion transporting...
4210511 Electrolyzer apparatus and electrode structure therefor  
Electrolysis apparatus and electrode structure comprising a solid polymer electrolyte membrane, a porous cathode plate, and a porous anode plate which is electrochemically compatible with the...
4209380 Cathode element for electrolytic cell  
Disclosed is a cathodic element for a chlor-alkali electrolytic cell. The cathodic element has a hollow electrolyte permeable nonconductive finger with a permionic membrane on the outer surface of...
4207165 Filter press cell  
An improved electrolytic cell of the filter press type in which the electrode gap may initially be set and accurately maintained during assembly of the cell units is described. The cell units...
4204939 Diaphragm cell  
A monopolar filter press electrolytic cell for use in the electrolysis of alkali metal halide brine to produce cell liquor, halogen and hydrogen the cell comprising a plurality of anode plates and...
4201652 Electrolytic cell membrane sealing means  
Disclosed is an electrolytic cell having an electrode assembly with a base plate, fingered electrodes electrically connected to, spaced from, and extending outwardly from the base plate, and...
4178225 Cathode busbar structure  
A cathode busbar structure is provided for an electrolytic cell which can enable the electrolytic cell to be designed to operate as a chlor-alkali diaphragm cell at high current capacities of...
4163698 In situ reference electrode for diaphragm cells  
A method and apparatus for measuring the overvoltage of a gas producing electrode of a chlor-alkali diaphragm cell is disclosed. The method includes positioning an exposed metal tip of a reference...
4152225 Electrolytic cell having membrane enclosed anodes  
A membrane cell for the electrolysis of aqueous salt solutions is provided in which the foraminous metal anode is enclosed in the membrane. Spacing means are provided to separate the portions...
4149952 Electrolytic cell  
A filter-press type electrolytic cell comprises alternatively arranging quadrilateral frames and ion-exchange membranes to form alternatively anolyte compartments and catholyte compartments under...
4142950 Apparatus and process for electrolysis using a cation-permselective membrane and turbulence inducing means  
High current efficiency can be obtained in an electrolytic cell by inducing turbulence in the catholyte preferably by utilizing a gas-directing cathode and cation-permselective membrane...
4139448 Separating web - electrolytic compartment frames assembly for electrolytic apparatuses  
An assembly of electrolyte compartment frames and a separating web for a filter press type of bipolar electrolytic apparatus includes gasketing material between the frames and the web near the...
4138295 Process and apparatus for downward recycling of the electrolyte in diaphragm cells  
An alkali chlorine diaphragm cell such as is constructed in a conventional manner whereby evolved gaseous chlorine rises in the pool of alkali metal chloride solution is provided with recycling...
4131532 Electrochemical oxygen production device  
Electrochemical device for producing very pure oxygen. The device contains at least one electrochemical cell comprising an anode compartment and a cathode compartment separated by a semi-permeable...
4107022 Wafer electrode for an electrolytic cell  
Disclosed is an improved wafer electrode for use in an electrolytic cell, having an access tube to direct a fluid across the electrode plate or to remove fluid from near the electrode plate within...
4090939 Electrolytic diaphragm cell  
A diaphragm cell for use in the electrolysis of an aqueous solution of alkali metal chloride. The cell is provided with a chamber divided by a diaphragm into an anode compartment having at least...
4087339 Electrowinning of sulfur-containing nickel  
Sulfur-containing nickel is electrodeposited from a chloride electrolyte in a cell wherein each cathode is separated from any adjacent anode by a pair of diaphragms.
4081349 Polyamine modified membranes and chlor-alkali electrolysis cells employing same  
Disclosed are a sulfonyl group containing fluorocarbon polymer cation-exchange membrane, one side of which has been amine treated to a depth of at least 10 microns, as well as a chlor-alkali...
4076609 Electrolysis apparatus  
An electrolysis apparatus formed by a stack of cells which are held together by two end-plates connected by tie-rods, wherein a system comprising two kinds of elements provides, firstly,...
4069128 Electrolytic system comprising membrane member between electrodes  
A novel anode unit is provided for a diaphragm cell. The anode unit comprises a generally rectangular parallelepiped framework including a pair of spaced-apart grid-like structurally rigid...
4064031 Electrolyzer  
The proposed electrolyzer comprises at least two electrodes having current-distribution supports, whereupon there are mounted electrode members. In said electrolyzer, at least one of the...
Matches 201 - 250 out of 322 < 1 2 3 4 5 6 7 >