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Can 4A molecular sieve withstand strong acids?

2007-12-12View Original

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Can 4A molecular sieve withstand strong acids during use?
Reply #22007-12-17
Generally, 4A molecular sieves are silicoaluminate compounds that react when exposed to strong acids. However, Shanghai Zeolite Molecular Sieve Co., Ltd. offers a type of acid-resistant molecular sieve named ZGS High-Efficiency Acid-Resistant Molecular Sieve. Product description: It is suitable for the deep drying of acidic substances such as hydrogen chloride, hydrogen sulfide, chlorine, chloromethane, bromine, bromomethane, and sulfur dioxide. Deep drying of materials such as pyrolysis gas, air, and organic solvents. Products with an extremely low dew point can be obtained after drying with ZGS high-efficiency acid-resistant molecular sieves. If the air is dried, the dew point can drop to -60°C to -90°C.
Reply #32007-12-19
Upstairs, that’s right – the acid-resistant molecular sieves produced by our factory meet your requirements. Feel free to call if you need them! Fu Qun/Marketing Manager, Shanghai Zeolite Molecular Sieve Co., Ltd. Website: http://www.sh-zms.com Phone: 021-56080333, 13585798149 Fax: 021-56537211 Email: fuflock@126.com MSN: fortunefq@hotmail.com QQ ; 270393934 Company store address: http://shfsfzs.cn.alibaba.com
Reply #42007-12-21
4A molecular sieves are generally used in a pH environment ranging from 4 to 12, where they remain intact. It is stable. Above this pH value, the lifespan of the 4A molecular sieve will be affected. Under strong acidic conditions, the chemical structure of type A molecular sieves is completely destroyed.

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