Baltic Waste & Energy Group” research ash recycling possibilities

The holding company SIA "Baltic Waste & Energy Group", specializing in sustainable waste management and renewable energy solutions, has signed an agreement with Riga Technical University (RTU) for the implementation of a scientific research project titled "Use of cold bonded MSWI ash for lightweight aggregates in concrete production." Within the framework of the project, a technology for the granulation of ash-based aggregates will be developed and their properties studied ...

22. April, 2025

Source: From the photo archive of "Baltic Waste & Energy Group"

Over the past three years, Latvia has seen a sharp increase in the amount of ash generated, primarily due to the growing use of wood chips in combustion systems. However, ash can contain elevated concentrations of heavy metals, which limits its use in agriculture and makes it challenging to recycle.

Research shows that replacing a portion of cement with alternative materials can significantly reduce the environmental impact. Additionally, concrete naturally absorbs CO₂, further enhancing its ecological efficiency.

Jānis Pāvuls, Technical Director of SIA “Baltic Waste & Energy Group” states: “Our company is currently actively exploring opportunities for the reuse of ash and slag, particularly in cement production, as this sector accounts for around 8% of global greenhouse gas emissions. With global construction demand on the rise, cement consumption and its related emissions are expected to increase in the future. Therefore, it is crucial to develop effective solutions for reducing CO₂ emissions. We believe that the efficient reuse of secondary resources is the foundation of future waste management. Our cooperation with Riga Technical University (RTU) will not only enable the development of innovative solutions but also help reduce environmental pollution by turning waste products into valuable raw materials.”

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