Raw materials - Understanding Cement

Raw materials used in cement ... Raw materials are extracted from the quarry, ... a buffer against any glitches in the supply of raw material from the quarry.

Holcim Ltd - How we make cement

How we make cement. Part 1 - raw materials extraction. 1. Quarry. Extraction of limestone, marl and clays using drilling and blasting techniques;

CEMENT RAW MATERIALS - cemnet

2.1 Extraction The raw materials used in cement manufacture are extracted in large quarries, typically with outputs of up to, or over, ...

Cement — Design Life-Cycle

Design Life-Cycle assess ... go into cement from the initial extraction of raw materials, ... to create cement are extracted from huge quarries of ...

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