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Cemex and GM Motors make effective use of non-recyclable waste

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World Cement,


As part of a new co-processing agreement, Cemex uses the non-recyclable waste produced at GM Motors’ San Luis Potosi complex in Mexico as a form of alternative fuel in its cement plants. Nearly everything can be recycled; however, there are instances where traditional recycling alternatives are very limited, particularly with materials containing a mixture of components that aren’t easily separated. As an alternative to sending non-recyclable waste to landfill, these materials can be used as an energy source through incineration – a procedure known as co-processing.

Cemex uses the byproducts from the San Luis Potosi complex as a form of alternative fuel, which is used to feed the ovens during the cement production process. These waste materials are used to replace fossil fuels such as coal, petroleum and gas, a sustainable development concept that helps cut CO2 emissions and reduce the amount of waste sent to landfill.  The ovens’ powerful filtration system means that solid waste can be used as fuel, while still maintaining a temperature of 2000 °C. Cemex’s power generator plant also uses waste materials to create energy to power part of the plant’s operations, cutting consumption of non-renewable resources.

Gustavo Cespedes, Director of GM Motor’s San Luis Potosi complex, noted that the collaboration helps the company to achieve greater efficiency in managing and conserving resources. “San Luis Potosi takes many steps to strengthen itself, both by contributing to GM’s bottom line and reducing our impact on the environment,” said Cespedes.

Adapted from press release by Rosalie Starling

Read the article online at: https://www.worldcement.com/the-americas/09042014/cemex_and_gm_motors_make_effective_use_of_non_recyclable_waste_15/

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