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Innovations In Portland Cement Manufacturing Free

Cement is thought to be older than humanity itself, having formed naturally 12 million years ago, when burnt limestone reacted with oil shale.Concrete dates back to at least 6500 bce when the nabatea of what we know now as syria and jordan used a precursor of modern-day concrete to build structures that survive to this day.

New Cement Technologies Global Cement

The cement industry worldwide is facing growing challenges in the context of saving material and energy resources as well as reducing its co 2 emissions.The international energy agency highlighted in its road map for the cement industry that the main levers for the cement producers are the use of alternative materials, be it as fuel or raw material and in addition the reduction of the.

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