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Re: Quality control

The problem of the -45 micron material in the separator return is known as the "bypass" and is the proportion of fine...

Quality control Question 44

I sent you various mails regarding free lime in clinker. Your response was always very positive. Now I am sending you...

Re: Quality control

Thanks for the extra data. The K 2 O contents between the OPC and SRC are very similar, so again that does not seem t...

Quality control Question 45

Our ball mill is closed circuit. Its design capacity is 70tph, but we can run 85tph. However, we run it now 80tph, ie...

Re: Quality control

To control the residue separately to the Blaine you need to vary the recirculating load of the cement mill. To mainta...

Quality control Question 46

We are having Polysius design ILC six-stage kiln have dimension of 3.8m ID and 64m length. We are firing 100 petcoke ...

Re: Quality control

Unfortunately these problems are regularly reported on kilns burning petroleum coke. The problem is caused by the sul...

Re: Quality control

I think you are operating long wet kilns? If so you could add some chloride to the kiln feed to promote the volatilit...

Quality control Question 52

We would like to use phospho-gypsum in place of mineral gypsum in our cement plant. Please advice us of its suitabili...

Re: Quality control

I know of no reason why you should not use phosphogypsum. However, you will have to conduct trials to verify that no ...

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