2017-8-3 Purification Technology Edition Daily Question
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The last edit to this post was made by hai8487 on 2017-8-3 at 12:20; the intermediate catalyst exists in the form of ( ) before use, and it must be converted into ( ) in order to become active. Fe2O3 Fe3O4 – Purification technologies for coalification areas; 2017 Coal Chemical Industry “My Technical Upgrades” competition (large prizes available) http://bbs.hcbbs.com/thread-1786290-1-1.html Registration for chemical engineers – Experience-sharing event titled “Learning from Others’ Experiences” http://bbs.hcbbs.com/thread-1808158-1-1.html
Fe3O4 Fe2O3
Fe2O3 Fe3O4
Fe2O3 Fe3O4
Before use, the medium-temperature catalyst exists in the form of Fe3O4; it must be converted to Fe2O3 in order to become active
Iron oxide(III), Iron oxide(IV)
Fe2O3 Fe3O4
Fe2O3, Fe3O4