Concrete Recycling crushing Machine

Concrete recovery fast facts

• Concrete is a durable building material that is also recoverable.

• It is estimated that roughly 25 billion tonnes of concrete are manufactured globally each year. This means over 1.7 billion truck loads each year, or about 6.4 million truck loads a day, or over 3.8 tonnes per person in the world each year.

• Twice as much concrete is used in construction around the world than the total of all other building materials, including wood, steel, plastic and aluminum.1

• About 1,300 million tonnes of waste are generated in Europe each year, of which about 40%, or 510 million tonnes, is construction and demolition waste (C&DW). The US produces about 325 million tonnes of C&DW, and Japan about 77 million tonnes. Given that China and India are now producing and using over 50% of the world’s concrete,2 their waste generation will also be signifi cant as development continues.

• Many countries have recycling schemes for C&DW concrete and very high levels of recovery are achieved in countries such as the Netherlands, Japan, Belgium and Germany. In some countries waste concrete is typically put in landfi ll. Variations in calculation methods and availability of data make cross-country comparison diffi cult at the present time.

• Recovered concrete from C&DW can be crushed and used as aggregate. Road sub-base is the predominant use. It can also be used in new concrete.

• Returned concrete (fresh, wet concrete that is returned to the ready mix plant as surplus) can also be successfully recycled. Recovery facilities to reuse the materials exist on many production sites in the developed world. Over 125 million tonnes are generated each year.

Concrete Recycling crushing Machine

• Recycling concrete reduces natural resource exploitation and associated transportation costs, and reduces waste landfi ll. However, it has little impact on reducing greenhouse gas emissions as most emissions occur when cement is made, and cement alone cannot be recycled.

• Green building schemes acknowledge C&DW recovery and encourage the use of recycled materials including recycled concrete.


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