GATE (TF) Textile 2016 Question Paper Solution | GATE/2016/TF/22

Question 22 (Textile Engineering & Fibre Science)

Sodium persulphate is used in

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What is the use of sodium persulfate in textile?

Sodium persulfate is commonly used in textile processing as an oxidizing agent. It is a strong and stable oxidizing agent that can help to remove impurities and unwanted colors from textiles, especially when used in combination with other chemicals such as bleach or hydrogen peroxide.
One of the most common uses of sodium persulfate in textile processing is in the preparation of cotton and other natural fibers for dyeing. Sodium persulfate can be used to remove residual oils, waxes, and other impurities that may be present on the fibers, which can help to improve the absorption and adherence of dyes during the dyeing process.
Sodium persulfate can also be used as a bleaching agent in textile processing. When combined with hydrogen peroxide or other bleach chemicals, sodium persulfate can help to lighten or remove unwanted colors from textiles.
In addition to its use in textile processing, sodium persulfate has a wide range of other industrial applications, including use in the production of printed circuit boards, as a polymerization initiator, and as a soil and groundwater remediation agent.

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