P2O5

Hi,

I have some experience with that affect. At the first few times, I didn't believe P2O5 can improve late strength of cement but now I think it is true. Please also note that if P2O5 in clinker increases, early strength will be lower than normal condition. In my plant, if P2O5 increases 0.15-0.2% I can see a big change in cement quality

Regards,

Tam

 

Phosphorous pentoxide(P2O5) limiting range should be max 1% and preferable range should be 0.3-0.5%.A higher P2O5 have following effects,

1.Accelerates the clinkerization reaction.

2.Reduces the intensity of internal recycle.

3.Reduces early strength.

4.Reduces C3S content.  

Regards,

R.M.Sahu,

India

How one does reduces the lowering early strength effect of P2O5 If you have experience related to this issue,

I would appreciate to receive your sharing.

Thanks