Ruthenium-iridium Anode Assembly for Fruit and Vegetable Disinfection

Ruthenium-iridium anode assembly for fruit and vegetable disinfection

Electrolysis of vegetables and fruits disinfection removal principle, to take the way of no diaphragm electrolysis, electrolytic tap water, produce oxidizing substances, to vegetable disinfection. Equivalent to the washing basin as an electrolytic cell, after electricity, titanium anode promotes hydrolysis, can remove pesticide residues of oxidizing substances, and does not produce secondary pollution, green environmental protection.

Principle of electrolytic water disinfection

Electrolytic water disinfection technology is the use of electrochemical oxidation method to make organic matter on the electrode direct oxidation reaction and indirect reaction so that the organic matter in the water degradation process.

Under the electrode electrochemical reaction, the water on the electrode material with high catalytic activity to rush the formation of hydroxyl radicals and new ecological oxygen, is a kind of high REDOX potential strong oxidizer, with organic REDOX reaction and a free radical chain reaction of organic macromolecular degradation of pesticides, hormones, etc, make the molecules mineralization for water, carbon dioxide, and inorganic salt. In the process of reaction, part of the hydroxide ions produced and the remaining chlorine in tap water combine, become hypochlorous acid, sodium chlorate, and other strong oxidizing substances, through oxidation reaction to degrade.

Selection of electrode materials for electrolytic water disinfection

It is not difficult to know from the above that electrolytic water disinfection technology depends to a certain extent on the selection of electrode materials. And hydroxyl radical is a very active substance, the existence of a short time. Therefore, it is necessary to choose an electrode material that can produce the substance in large quantities. In the process of research and development in the product r&d room of Unitron and in cooperation with many customers, several electrode materials were tested, among which titanium ruthenium-iridium coating and titanium platinum-plated anode performed better. Due to its excellent electrocatalytic activity, the ruthenium-iridium mixed oxide coating is coated on the surface of titanium substrate by a special process, which has both corrosion resistance and high electrolysis efficiency. It can be designed to use an inverted pole to avoid and alleviate scaling in areas with hard water quality.

This method only needs to choose the electrode with high electrocatalytic activity, without adding other substances, the electrolyte is tap water, low reaction conditions, suitable for the daily home.

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Address: Shaanxi Titanium Valley, Baoji City, China

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