The process of cutting and preparing marble or granite pieces is inevitably associated with the production of waste, in the form of sludge, consisting of very small particles, which can cause several environmental problems.
An estimated 15 tons of these sludge are produced daily by the company, whose only destination is the landfill. Another major current problem is the use of Portland cement, whose process is responsible for the emission of large amounts of CO2.
The main objective of this investigation is to create a sustainable material both environmentally and economically from these wastes as an alternative to the use of Portland cement, creating a geopolymer or binder, obtained by alkaline activation.
As this investigation is successful, it is possible to combine the benefits of the reintroduction of this waste in the sector, contributing to the circular economy, as well as the reduction of the use of conventional cement.
To achieve this goal, various formulations will be created using residues resulting from our company's activity, and various alkaline solutions, with different characteristics. These formulations will be evaluated and subjected to mechanical tests to understand which ones best suit the application as a constructive element.
Durability and environmental tests on the created materials will also be carried out, ensuring their structural strength in the long term as well as a good environmental behavior after exposure to various conditions that simulate real environments.
After selecting the best formulations, it will be possible to adapt the shapes and characteristics as various types of constructive elements:
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