Chemical Engineering - Chemical Process - Discussion
Discussion Forum : Chemical Process - Section 2 (Q.No. 14)
14.
Concentration of hydrogen peroxide is done by
Discussion:
2 comments Page 1 of 1.
KRR said:
4 years ago
The last traces of water present in H2O2 are removed by freezing it in a freezing mixture of solid CO2 and ether.
The crystals of hydrogen peroxide separate out. These crystals are removed, dried, and then remelted to obtained 100% pure hydrogen peroxide.
The crystals of hydrogen peroxide separate out. These crystals are removed, dried, and then remelted to obtained 100% pure hydrogen peroxide.
KRR said:
4 years ago
Vacuum distillation avoids decomposition of peroxide and gives crystalline H2O2 with negligible amount of impurities.
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