Refining process of decoloring process

Refining process of decoloring process, today we are going to give you said, the topic is on the issue of the refining process of decoloring, decoloring are influenced by what, let's continue to today's topic today.
First is the influence of operating temperature, adsorption decolourization of operating temperature is decided by the varieties of the grease is excellent, operating pressure and the varieties and characteristics of the adsorbent.Removal of red is removing yellow with higher temperature;Low atmospheric decoloring and active degree of adsorbent need higher operating temperature to complete;Activity with high degrees of adsorbent is decompression operation, and suitable decoloring under low temperature.Commonly used bleaching temperature about 105 ℃.

                
Followed by the influence of operating time, oil and adsorbent in adsorption decolourization operating at the highest temperature of contact between the pigment and time depends on the performance of adsorption equilibrium, as long as the mixing effect is good, to reach adsorption equilibrium does not need too long time operation, the excessive extension of the time, may even make chromaticity gradually recovering.Industry generally decoloring temperature control at 20 to 30 minutes.
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