How to make Portland cement ??
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To make Portland cement, clay, shale and limestone is ground to a powder and baked in a kiln. The baked mixture forms clods (clinkers), which are then ground up and mixed with gypsum. Most of the raw materials are mined in open pits. Michigan traditionally ranks in the five states in terms of cement production..
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Answer:
Portland Cement (PC) is a fine powder which is produced by heating limestone and clay minerals in a kiln and forms clinker.
The clinker is grinded to fine powder with addition of small amount of other materials.
It is used as basic ingredients of concrete, mortar, stucco etc.
It is the most commonly used types of cement in the world.
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