Matches 251 - 300 out of 498 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
4626332 Flushing fluid recycling system for electroerosion  
A flushing fluid recycling system used with an electroerosion machine which includes a regenerating unit, i.e. an ion-exchange column as deionizer, through which the used liquid medium, e.g. water,...
4619743 Electrolytic method for reducing oxalic acid to a product  
Apparatus for reducing oxalic acid to a product includes a cell. A separator which separates the cell into two chambers; a catholyte chamber and an anolyte chamber. Each chamber has an inlet and an...
4615776 Electrolytic decontamination process and process for reproducing decontaminating electrolyte by electrodeposition and apparatuses therefore  
This disclosure relates to electrolytic decontamination of radioactively contaminated objects such as equipment or parts. The objects to be decontaminated are divided into two types: First, wastes...
4612102 Silver recovery system  
A silver recovery system includes a novel power supply and a novel structure for a cell used in the recovery system. The power supply monitors the conductivity of the electrolyte of the silver...
4596639 Electrolysis process and electrolytic cell  
Disclosed is an electrolysis process which is characterized by carrying out the electrolysis of an aqueous alkali metal halide solution while supplying a cathode liquor into a cathode compartment...
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...
4595451 Process and apparatus for etching printed circuit boards  
There is disclosed a process and apparatus for etching printed board circuits wherein etching of a printed circuit board is effected in turbulent flow of the etching solution and wherein...
4592819 Electroplating apparatus with ventilation means  
A ventilating system for a high speed electroplating apparatus having a pretreating section, a plating section and a post treating section for electroplating a workpiece sequentially transferred...
4586994 Electrolytic process of an aqueous alkali metal halide solution and electrolytic cell used therefor  
Disclosed is an electrolytic process using a horizontal type cation exchange membrane electrolytic cell in which catholyte liquor is supplied into a cathode compartment with initial linear velocity...
4584066 Method and apparatus for the continuous electrolytic treatment of a metal strip using insoluble horizontal electrodes  
A continuous electrolytic treatment can be applied to a metal strip by the method which comprises the steps of (1) passing a metal strip through a narrow treating space formed between horizontal...
4575409 Apparatus for electrolyzing metal sheet  
Provided is a device useful for the uniform electrolysis of a metal sheet workpiece. It is especially useful for the laboratory scale testing of various methods of electrolytically etching...
4564432 Apparatus for recovering metals dissolved in a solution  
An apparatus for recovering metals, such as gold and silver, dissolved in a solution, such as plating waste, rapidly and effectively, comprising a collector (electrolyzing device) for depositing...
4561956 Apparatus for rinsing electroplating solution from articles  
A method and apparatus for rinsing electroplating solution from the surfaces of articles so that substantially complete recovery of the electroplating solution is achieved. The apparatus is...
4561957 Electrolytic silver recovery system  
An electrolytic silver recovery apparatus for recovering metallic silver from silver-laden solutions wherein such apparatus has liquid-level controls, interval electrical power controls and...
4560455 Apparatus for sterilizing objects with an aqueous hypochlorite solution  
This sterilizing apparatus comports an enclosure (1) in which two electrodes (4,5) of an electrochemical cell are supplied by a transformer-rectifier (16) for producing an aqueous NaOCl solution...
4557811 Regeneration of an ammoniacal etching solution with recycling of solution with electrolytically reduced metal content to the regeneration input  
The intermittent electrolysis of a portion of the used ammoniacal etching solution generates oxygen at the anode which is mixed into the remainder of the circulated etching solution for reoxidation...
4545877 Method and apparatus for etching copper  
A method for etching copper metal from articles, such as printed circuit boards, by contacting the articles with an etchant solution containing cupric tetrammine ions at an etching station,...
4534843 Apparatus for electroplating and chemically treating contact elements of encapsulated electronic components and their like  
An improved apparatus for the plating of the contact elements of encapsulated electronic components - suitably of the type known as P-Dip strips - is provided with a continuous flexible...
4527626 Process and apparatus for removing dissolved oxygen  
Saline source water containing dissolved oxygen is deoxygenated to form injection quality water in the disclosed process and apparatus. In accordance with the invention, saline source water is...
4528250 Fuel cell catholyte regenerating apparatus  
A catholyte regenerating apparatus for a fuel cell having a cathode section containing a catholyte solution and wherein fuel cell reaction reduces the catholyte to gas and water. The apparatus...
4514266 Method and apparatus for electroplating  
A method and apparatus for quality high speed electrical plating of one or both sides of a metallic workpiece 12 wherein a combined consumable-non-consumable anode system so provides a uniformity...
4514270 Process for regenerating cleaning fluid  
A cleaning fluid such as a chemical decontamination solution originally containing one or more cleaning or decontamination reagents in low concentrations and deteriorated after a cleaning or...
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...
4504366 Support member and electrolytic method  
Disclosed is an electrolytic cell including means for holding a first electrode in position relative to a second electrode to form an inter-electrode zone of specified dimension for containing...
4504370 Method and apparatus for electrochemical machining  
The disclosure relates to a process and apparatus for the treatment of sodium-nitrate-containing electrolytes during the electrochemical machining of the surfaces of iron-containing workpieces. By...
4483755 Method for the treatment of surfaces of a workpiece of carbon-containing cast iron  
The invention relates to a method and an apparatus for the treatment of surfaces of a workpiece of carbon-containing cast iron, and in particular of blind holes in gray iron cast workpieces, by...
4469576 Apparatus for electrolytical production of alkaline chlorate  
Disclosed is an improved process for electrolytically producing alkaline chlorate, carried out at an increased temperature by using an apparatus of a column type. The apparatus has a lower...
4441976 Device for electrolytic surface treatment of mechanical workpieces  
A workpiece to be treated, for example, an engine cylinder, is held vertically with a liquid-tight seal in a treatment device including a head which is fixed in the working plane of a work bench,...
4437963 Apparatus for electrolyzing water  
Apparatus for the electrolysis of water comprises an elongated tube and an electrolysis assembly provided at one end of the tube defining an interior chamber which constitutes an extension thereof....
4437954 Fuels production by photoelectrolysis of water and photooxidation of soluble biomass materials  
A process and apparatus for production of fuels by photoelectrolysis of water and photooxidation of water soluble biomass and a process for preparation of Schottky-type metalized, appropriately...
4432856 Apparatus for manufacturing chlorine dioxide  
Chlorine dioxide is produced by electrolysis of a solution of chlorite and by using a compact apparatus which provides continuously a uniform concentration of chlorine dioxide, which can be...
4422909 Electrolytic process 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...
4419207 Electrolytic halogen generators  
The invention concerns a halogen generator submersible in water, the anode and cathode being separated by a salt bed, the chlorine generated at the anode being collected and conducted to the...
4419205 Apparatus for preparing meat food products having reduced shrinkage  
Meat food product having minimal shrinkage upon cooking is prepared by treating meat with an aqueous solution of an edible chloride salt present at at least about 0.2 molal. The solution is first...
4414088 Chlorate cell system  
A novel electrolysis unit (10) for forming sodium chlorate from sodium chloride utilizes a reaction tank (12) and a bank (18) of electrolysis cells wherein the cells (20) are rigidly joined...
4405418 Process for the production of sodium chlorate  
A process for the production of sodium chlorate comprising electrolyzing an aqueous sodium chloride solution in a diaphragmless sodium chlorate cell, characterized in that an aqueous sodium...
4404068 Solid state method for synthesis reactions  
A method for synthesizing reaction products, such as hydrocarbons, from fluid reactants is provided by use of a solid state electrochemical cell. A preferred embodiment may be used to produce...
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.
4389287 Withdrawal of molten alkali hydroxide through an electrode for depletion of water dissolved therein  
In an electrolysis cell, molten alkali hydroxide is decomposed into products which include alkali metal and water. The water dissolves in the electrolyte where it is decomposed by electrolysis or...
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 process,...
4382844 Method for heating aluminum baths  
Aluminum electroplating installations containing aprotic electrolyte bath systems typically require an electrolyte operating temperature of over 80° C. in order to achieve useable aluminum...
4379031 Evaporation driven counterflow rinse system and method  
An electroplating apparatus comprises a plating tank, first, intermediate, and final rinse tanks, and a plurality of weirs which connect the plating tank and the first rinse tank, the first and...
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...
4379082 Method of removing ruthenium contamination from a liquid radioactive effluent  
A method of removing ruthenium contamination from a radioactive liquid effluent, consisting in adding to said liquid effluent a reducing agent and copper ions, to form, in said effluent, a cuprous...
4377445 Shunt current elimination for series connected cells  
Electrochemical systems having a plurality of cells which are hydraulically and electrically connected in series develop shunt currents in the electrolyte of adjacent cells. The shunt currents are...
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...
4372829 Method and apparatus for removing metal from a metal-laden solution  
A method and apparatus for removing metal from a metal containing solution employing an electrolytic cell by introducing a plurality of streams of the metal containing solution into the bottom...
4372827 Novel horizontal diaphragmless electrolyzer  
A horizontal diaphragmless bipolar electrolyzer comprising a horizontal housing made of electrically insulated material, an anodic or (cathodic) plate at one end of the housing provided with a...
4369101 Apparatus for electropolishing tubes  
Tubes, especially nuclear fuel element jacket tubes, in many cases must be polished internally as well as externally. Previously there was not a satisfactory process for doing this. An...
4367127 Metals recovery cell and electrode assembly for same  
An electrolytic cell for recovering from electrolytes metals, the ionic species of which are present at relatively low concentration. The cell comprises a container for the electrolyte, and and an...
Matches 251 - 300 out of 498 < 1 2 3 4 5 6 7 8 9 10 >