USE OF GLYCEROL AS GRINDING AID IN PETROLEUM COKE GRINDING

DEAR EXPERTS 

CAN ANYBODY TELL ME ABOUT THE USE OF GLYCERINE/ GLYCEROL LIQUID AS A GRINDING AID FOR PETROLEUM COKE GRINDING IN CEMENT PLANT IN VRM.?

IF YES WHAT IS THE AMOUNT TO BR USED & IN WHAT WAY?

PRICE ETC.?

AVAILABILITY IN INDIA ETC.?

ANY OTHER GRINDING AID FOR PETROLEUM COKE GRINDING ?

PLEASE REPLY

SIDHANT