Ted Krapkat

Posts

Re: Effect of Free silica/Quartz silica in Kilnfeed

Hello Abuthalib, Free silica/quartz should have no adverse effect below a particle size of about 32um. During rea...

Re: Lime-treated Gypsum

Hello Norew, Then perhaps it is just a mixture of lime and gypsum used for soil conditioning. Regards, Ted.

Re: Cement Fineness and Workability

Hello Dilip, I received the paper you emailed me and have sent you a reply. But for the benefit of others reading t...

Re: Lime-treated Gypsum

Hello Norew, What is "lime-treated gypsum"?  Do you mean synthetic gypsum obtained from flue gas desulfurisation us...

Re: The siliceous residue in cement

A common source of insoluble residue in cement is unreacted silica, due to coarse silica in the raw meal. If there...

Re: Cement Fineness and Workability

Hello Dilip, That's strange. All other factors being equal, water demand should increase with cement fineness. Do ...

Re: Relation in Fineness and SO3

Hello Norew, Because of its rapid speed of hydration compared to the other three clinker minerals, C3A dominates wi...

Re: Red spot

Hello Norew, There are many reasons for loss or erosion of bricks. Here are a few. (The first two are related to yo...

Re: Relation in Fineness and SO3

Hello Norew, All clinker components contribute either directly or indirectly to cement strength in some degree. Ho...

Re: Red spot

Hello Norew, Red spots on the kiln shell are caused by loss or erosion of refactory bricks. Regards, Ted.