Olin Corporation

George W Geren

Ronald C Miles

R W Peel

Ronald L Dotson

Han C Kuo

Byung K Ahn

Thomas E Corvin

A method of making a wire reference electrode in an electrolytic cell is provided wherein the wire reference electrode comprises a lead-in wire portion, a reference wire portion, a sealing material to seal the junction of the lead-in and wire reference portions, and a heat shrinkable insulating material which is heated for a predetermined period of time to collapse the heat shrinkable insulating material about the sealing material.

Method of making 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 portion, a sealing material to seal the junction of the lead-in and wire reference portions, and a heat shrinkable insulating material.

Reference electrode

A process for the production of chlorine dioxide comprises feeding an inert gas to a reaction zone and applying an electrical discharge to the inert gas to produce a high temperature plasma. Chlorine gas and oxygen gas are supplied simultaneously to the reaction zone and reacted in the plasma to produce a gaseous mixture comprised of chlorine dioxide, chlorine, oxygen and inert gas, the molar ratio of oxygen to chlorine in the reaction zone being at least about 2.5:1. The gaseous mixture is recovered from the reaction zone. Chlorine dioxide, which may be recovered as a gas or reacted to produce an alkali metal chlorite, is employed as a bleaching agent and a water treatment agent.

Electric plasma discharge combustion synthesis of chlorine dioxide

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 electrode from about 0.2 to about 1.0 mm away from the gas producing electrode within a stream of gas produced by the gas producing electrode. The apparatus includes the reference electrode so positioned. Platinized platinum wire and a RuO.sub.2 --TiO.sub.2 coated Ti wire are preferred as the reference electrodes for cathode and anode, respectively.

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Georgetown, TN, United States of America

George W Geren