Production process of ultra-high-purity isopropanol
A production process, the technology of isopropanol, is applied in the field of electronic chemicals to achieve the effect of mild reaction conditions, good safety performance and simple operation process
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[0030] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0031] combine figure 1 , a production process of ultra-high-purity isopropanol, said process mainly comprising the following process steps:
[0032] (1) dehydration: the feed stream that will contain at least 98% technical grade isopropanol is sent into molecular sieve adsorption tower, and described isopropanol enters from the tower bottom of molecular sieve adsorption tower, flows out from tower top after molecular sieve dehydration, obtains High-purity isopropanol with water content less than 100ppm;
[0033] The present invention adopts international advanced high-quality aluminosilicate 3A high-efficiency molecular sieves (Φ=2-5mm), which ...
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