Vietnam Adopts the Circular Economy in Green Manufacturing

Posted 05-06-2020
Category News

INSEE, the leading cement manufacturer in Vietnam are committed to sustainable development by implementing the circular economy concept in all its manufacturing processes. Using state-of-the-art technology, the team addresses the challenges of industrial waste and resource expenditure.

With a focus on reducing clinker in cement compositions and therefore consumption of natural resources, INSEE plans to reduce the cost for the industry and largely, the environment. 

The company makes use of pozzolans and industry by-products including fly ash and steel slag to substitute clinker in cement production. The clinker component is controlled to avoid compromising product quality and instead, improve the product performance including durability and anti-corrosion. This results in more efficient usage of non-renewable raw materials and a lowering of CO2 emissions by at least 24 per cent per tonne of cement produced.

In addition, to eliminate approximately 25,000 tonnes of CO2 per year INSEE Vietnam are utilising waste heat from its kiln coolers to generate power to offset a portion of power purchased from the grid.  

Non-hazardous industrial waste is the second highest waste stream ending up in landfill. To further improve industry waste management systems and enhance their sustainable development strategy, INSEE's waste management branch Ecocycle uses co-processing in cement kilns. Treated waste can then be used as an alternative to traditional fuel in cement production. This process has safely treated approximately 1.2 million tonnes of waste, which has reduced one million tonnes of greenhouse gas emissions. 

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