Matches 301 - 350 out of 498 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4360410 Electroplating processes and equipment utilizing a foam electrolyte  
Improved electroplating processes and equipment, in which an inert gas (21) is mixed with a liquid electrolyte (20) to form a foam (23) of the gas plus electrolyte, which foam is then circulated...
4357220 Method and apparatus for recovering charged ions from solution  
An apparatus and method for removing charged ions from solution by treating the solution with electrodialysis followed by Donnan dialysis. One of many applications is for treating the baths...
4349430 Apparatus for electrochemical purification of contaminated liquids  
An apparatus for electrochemical purification of contaminated liquids comprises a settling chamber having an outlet pipe to discharge purified liquid and communicating with an electrocoagulation...
4348267 Plating means  
This invention relates to a plating means, wherein an accurate plating for a smaller work surface is carried out high-speedily. For this purpose, the smaller work surface is enclosed by a mask of...
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...
4332659 Electrolytic apparatus for the manufacture of alkali metal halate  
An electrolytic apparatus for the production of an alkali metal halate, such as sodium chlorate, from an aqueous solution of alkali metal halide, such as sodium chloride, includes vertical anodes...
4330386 Combined ion-exchange particulate bed electrolytic cell  
A method and apparatus for reducing electrowinnable metal ion concentration to a low level in a process stream and recovering the metal electrolytically. Low concentration metal ions from the...
4328084 Apparatus for the treatment of water  
Water purification is accomplished in a swimming pool, spa or decorative pool body of water by adding salt in quantities sufficient to make the water slightly conductive and by circulating that...
4326942 Device for electrolyzing metals  
There is described a method for electrolyzing and particularly electrorefining metals such as copper, by circulating the electrolyte through channels formed between substantially parallel...
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 flow...
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...
4302318 Means for recovering silver from photo chemicals  
The invention illustratively contemplates recovery of silver from waste photographic-fixer solution, the apparatus being so devised and controlled that high purity is achieved in the reclaimed...
4302317 Means for recovering a precious metal from an electrolyte solution containing ions of said metal  
The invention contemplates recovery of silver (a precious metal) from waste photographic-fixer solution, the apparatus being so devised and controlled that high purity is achieved in the reclaimed...
4299676 Recovery of silver from photographic film  
A process is provided for recovering silver and plastics material from photographic film. For exposed film, film is shredded or chopped, subjected to bleach treatment, washed, and subjected to...
4292159 Cell having in situ reduction of electrode overvoltage  
A method and apparatus for in situ reduction of cathode overvoltage in electrolytic cells. The method involves introducing low overvoltage or noble metal ions into the catholyte solution and...
4292160 Apparatus for electrochemical removal of heavy metals such as chromium from dilute wastewater streams using flow-through porous electrodes  
A stream containing chromium and other heavy metals is fed through an electrolytic cell having a flow-through anode of lead shot and a flow-through cathode. The stream passes through the lead shot,...
4292175 Compact electrocatalytic sewage treatment unit for maritime use  
A compact, relatively small unit for treatment of wastewater for discharge into maritime waters is disclosed. The wastewater is received in a surge or retention tank and is delivered by gravity...
4290867 Means for and method of producing smooth electro-polished surfaces  
Means for and method of electro-polishing generally planar upright surfaces of relatively large areas on machine parts of various shapes and sizes. The means and method constitute improvements on...
4282082 Slurry electrowinning apparatus  
A slurry electrowinning apparatus includes a tank (10) in which are mounted alternating, spaced-apart anode (18) and cathode (20) electrodes. An inlet opening (60) is formed in a side of the tank...
4280884 Method and apparatus for recovery of silver employing an electrolytic cell having improved solution movement  
A method and apparatus for recovery of metallic silver from a silver containing aqueous solution employing an electrolytic cell by introducing such solution to a hollow central anode and jetting...
4279730 Equipment for continuous plating  
Device for selective electrodeposition of metal flat stock, on laddered or bandoliered component strips having at least one station filled with electrolyte through which the component strips are...
4276147 Apparatus for recovery of metals from solution  
A recovery cell placed directly into the tank holding the metal containing solution is used to recover the metal from solution. A cathode for use in recovery cells is formed of a cellular...
4265726 Aluminum plating cell  
To prevent transport of deleterious oxygen and moisture to liquid electrolyte in an aluminum electroplating vessel, workpieces move towards the vessel through an antechamber containing inert gas...
4256814 Photoelectro-chemical cell system  
A system comprising a photoelectro-chemical cell for converting light into electrical energy in combination with cooling means for cooling the cell. A method for generating electrical energy with a...
4250126 Chlorine generator and method  
A chlorine generator is disclosed as including an assembly for an electrolytic cell generating the chlorine and a separate assembly for feeding the chlorine gas into a body of water. The cell...
4219390 Method for the regeneration of a tinning electrolyte  
Method for regenerating an electrolytic liquid for tinning purposes in which the electrolytic liquid is freed from ions of foreign metals introduced into it during the tinning action, characterized...
4217184 Continuous process for preparing metal alkoxides  
A continuous process for the electrochemical production of insoluble metal alkoxides comprises the steps of continuously removing the slurry of electrolyte and product from the cell, separating the...
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 through...
4203819 Electrolytic cell with flow detection means  
An electrolytic cell is provided for the electrochemical separation of selected metals from electrodissociatable compounds thereof in the molten state utilizing as electrode separator a plurality...
4202752 Cell with multiple anode-cathode chambers for fluid bed electrolysis  
A fluid bed electrolysis cell and system are provided for efficiently extracting electroplatable metal ions from an electrolyte, the cell employed having preferably a plurality of anodes and...
4182669 Automatic electroplating apparatus  
An automatic electroplating apparatus which comprises a power-driven larger rotary drum containing plating solution therein, a plurality of power-driven smaller rotary drums disposed within the...
4178224 Apparatus for generation and control of dopant and reactive gases  
A system for supplying arsine having automatic arsine monitoring and controls to a semiconductor reactor is described wherein arsine is electrochemically generated from an electrolyte solution such...
4169780 Process and apparatus for making negative electrodes, in particular in cadmium or zinc, for electrochemical generators, and the negative electrodes thus obtained  
A relatively little adherent and fragile powdery layer is deposited on a continuous metallic tape or strip by passing continuously said tape negatively polarized through an electrolytic bath...
4169776 Method for recovery of metallic zinc from chlorine contaminated skimmings  
A method and apparatus for recovery of elemental zinc from zinc scrap, typically skimmings, is disclosed. Zinc skimmings include chlorine as a zinc chloride contaminate. Chlorine liberation in zinc...
4164454 Continuous line for plating on metal strip material  
A continuous line for plating on indeterminant lengths of metallic strip material where space is limited by providing a line of modular construction and upwardly sloping through the plating...
4163704 Apparatus for selectively plating rectangular sheet continuously or intermittently  
While a rectangular sheet is being passed between a masking packing having at least one opening of a configuration corresponding to the selected area of the sheet to be plated and a pressure...
4162955 Electrodeposition coating apparatus  
An apparatus used in the electrodeposition coating of a continuous sheet of metal as it travels in a horizontal pathway between a pair of electrically charged electrodes and through a bath of...
4160709 Process for the galvanic deposition of nickel from a nickel bath  
A method for galvanic deposition of nickel from an electrolyte containing nickel sulfamate and nickel chloride is disclosed wherein the formation of intermediate products resulting from the...
4151062 Metals recovery apparatus  
A metals recovery apparatus and process for use with an electroplating system acting to remove metals from a used plating solution. The present apparatus includes a plating tank and a pair of...
4149954 Metal recovery apparatus  
A system, method and apparatus particularly useful in connection with film processing and like systems provides for the separation and removal of metal from a solution such as a fixing bath. The...
4139431 Process and apparatus for the removal of silver from fixer solutions  
An electrolytic process is used to reduce the silver content of fixer solution to a level such that it can be discharged as effluent. In the process silver is removed from aqueous fixer solutions...
4139429 Electrolytic cell  
An electrolytic plating cell is provided, wherein by means of flow directional baffle arrangements a rapid, uniform parallel movement of the electrolyte past all electrode surfaces can be...
4125447 Means for plating the inner surface of tubes  
Means for plating the inside of metal cylinders. A tube or pipe to be plated is mounted in a mounting which seals the ends of the tube. Oscillatable means mount an anode so that the anode extends...
4118303 Apparatus for chemically treating a single side of a workpiece  
An apparatus for chemically treating a single side of a workpiece, such as for etching or anodizing a semiconductor wafer, comprising, a flat centrally apertured, relatively level table having a...
4113601 Water decomposing apparatus  
A water decomposition apparatus for producing detonating gas or oxyhydrogen gas comprises a plurality of electrolytic cells formed between a nested plurality of endless laminar electrodes each...
4105528 Apparatus for decomposition of aqueous liquid  
An apparatus for decomposition of liquid in which vortical negative and positive electrodes are arranged in a closed relation but in short free positions and these two electrodes are supplied with...
4098668 Electrolyte metal extraction  
An apparatus for the electroseparation of a metal from an impure solution containing such metal which comprises a vessel for the electrolyte fitted with anodes and cathodes arranged to be immersed...
4098667 Electrochemical method and device for producing oxygen  
Apparatus for producing high purity oxygen comprising an oxidizing reactor coupled to at least one compartment of an electrochemical cell. Air is used to oxidize a reduced form of a special...
4093530 Device for electrochemical treatment of workpieces  
Device for electrochemical treatment of workpieces includes a change-over means for actuating the delivery of the workpiece of an electrolyte or a washing medium and their discharge after the...
4089768 Battery operated water purification system  
An electrolytic water purification system operated from a battery includes an electrolytic cell which may purify water properly only when an applied voltage exceeds the battery output voltage. A...
Matches 301 - 350 out of 498 < 1 2 3 4 5 6 7 8 9 10 >