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首页> 外文期刊>Textile Research Journal >Bleaching of Cotton Fabric by Electrogenerated Species--Decoloration of Coloring Matter by Electrolysis
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Bleaching of Cotton Fabric by Electrogenerated Species--Decoloration of Coloring Matter by Electrolysis

机译：电产生种对棉织物的漂白-电解法使着色物质脱色

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摘要

Decoloration of dyes such as methylene blue and tartrazine solutions is investigated by subjecting dye solution to electrogenerated oxygen or chlorine species in electrolytes at a Pt anode. Decoloration is weak in the presence of electrogenerated oxygen species but increases in the KCI electrolyte. Decoloration inthis solution is accomplished by the electrogenerated hypochlorite ion. Also, when placed in contact with a Pt anode, cotton fabric dyed with reactive dyes is decolorized significantly after short-term electrolysis in an electrolyte containing KCI, but decoloration of dyed fabrics is very weak in an electrolyte that is free form KCI.
机译：通过在Pt阳极上使染料溶液经受电解质中电生成的氧或氯物种的作用，研究了染料（如亚甲基蓝和酒石黄溶液）的脱色。在存在氧气的情况下，脱色作用较弱，但在KCI电解液中会增加。该溶液的脱色是通过电生成的次氯酸根离子完成的。同样，当与Pt阳极接触时，用活性染料染色的棉织物在含KCI的电解质中短期电解后会显着脱色，但是在游离KCI的电解质中，染色织物的脱色非常弱。

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