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The recently produced coke has a layer of white substance on its surface after being dried in the coke yard

2010-11-19View Original

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The coke produced recently has a layer of white substance on its surface after drying in the coke yard, resembling frost. It shows no reaction when heated with fire and dissolves in water. Tasteless. I don’t know what it is? Does anyone know what it is? ?
Reply #22010-11-20
It is caused by excessive addition of alkali during the treatment of phenol-cyanide wastewater, or by excessive addition of alkali during ammonia evaporation
Reply #32010-11-20
It is caused by excessive addition of alkali during the treatment of phenol-cyanide wastewater, or by excessive addition of alkali during ammonia evaporation
Reply #42010-11-20
Reply to 3# z_yulei: I’ve learned it, thanks! :)

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