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Question:
Published on: 30 June, 2022

What are the raw materials used for the production of Portland pozzalana cement?What are the main stages of manufacturing Portland pozzalana cement?

Answer:

The raw materials required for manufacture of PPC are OPC clinkers with 10 – 25 % of Pozzolanic material. The Pozzolanic material used are calcined clay (IS: 1489 part II of 1991) or fly ash (IS: 1489 part I of 1991).

 

The main stages of manufacturing Portland pozzalana cement are:-

  1. Quarrying, dredging, digging.
  2. Grinding
  3. Blending
  4. Fine grinding
  5. Burning
  6. Finish grinding.
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