Rice concrete can cut greenhouse emissions

August 11, 2010

  Rice husk

Rajan Vempati of ChK Group, Inc. in Plano, Texas, and a team of researchers found a way to make nearly carbon-free rice husk ash for concrete, which can lead to a boom in green construction. The team speculates that rice husk ash could replace up to 20% of the cement typically mixed into concrete for the construction of skyscrapers, bridges, and other structures, dramatically reducing carbon dioxide. Every ton of cement manufactured for use in concrete emits a ton of the greenhouse gas carbon dioxide (CO2) into the atmosphere. Worldwide, cement production accounts for about 5% of all CO2 emissions related to human activity.

Read the full Discovery Channel article here.



         
 

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