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[Chemical Knowledge]：Acid hydrolysis precautions

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Acid hydrolysis is a common washing technique that is widely used in industries such as textiles and leather. Acid hydrolysis can effectively remove stains and impurities on textiles and leather, making them cleaner and more beautiful. However, when carrying out acid hydrolysis washing, we also need to pay attention to some matters to ensure the washing effect and operation safety. The following are some acid hydrolysis precautions:

1. Choose the right acid detergent: When washing by acid hydrolysis, we need to choose the right acid detergent. Commonly used acidic detergents include sulfuric acid, hydrochloric acid, etc. Choosing a suitable acidic detergent can improve the washing effect and reduce the damage to fibers and leather.

2. Control the washing temperature and time: When washing by acid hydrolysis, we need to control the washing temperature and time according to the material and stains of textiles and leather to avoid excessive temperature and excessive time leading to fiber and leather Damage.

3. Pay attention to safety protection: Acid detergent has a certain degree of corrosiveness, and safety protection needs to be done during use to avoid contact with skin and respiratory tract. During operation, it is necessary to wear protective equipment such as gloves, masks and goggles to ensure safe operation.

4. Reasonable discharge of wastewater: The wastewater produced by acid hydrolysis washing contains acidic substances and needs to be discharged reasonably to avoid pollution to the environment. In the washing process, a neutralizing agent such as sodium bicarbonate can be added to neutralize the acidic substances in the wastewater and then discharged.

5. Retouching care: Textiles and leathers washed by acid hydrolysis require retouching care to maintain their softness and luster. Post-treatment with retouching or care agents can be used to improve the quality of textiles and leather.

In general, acid hydrolysis is an effective washing technology, but when washing with acid hydrolysis, we need to pay attention to the above matters to ensure the washing effect and operation safety. At the same time, it is also necessary to pay attention to environmental protection and follow-up care to make textiles and leather more durable and beautiful.

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