The Bauxite Residues Experimental Pavilion for «Environmental Awareness»

The exhibition pavilion is situated at the beach front of the historic modernist industrial settlement "Aspra Spitia" designed by prominent 1960’s architect and planner Constantinos A. Doxiadis, one of the pioneers of sustainable architecture and planning. Additionally, the project invested at: 1. BR materials chemical properties and the impact of weathering and use, 2. materials’ production methods and applications, 3. architectural specifications and potential applications, 4. optimising ad hoc, prototyping and industrial methods of production, 5. impact on the public and the environment.

Set within Doxiadis’s modern heritage settlement, the pavilion follows the scale and spatial rhythm of the existing fabric. Emerging along an existing “desire path,” it connects the coastal walk and the adjacent public square and facilities, enriching communal life. The architectural concept centres on a single linear element—the “Bauxite Wall”—which functions simultaneously as the main organisational element, an communication surface and an exhibit itself, and a symbol. Developed with non-standardised bauxite residue materials, the edifice evolved through an adaptive research process balancing raw texture and production methods with formal clarity. Embedded among ancient olive trees, the pavilion minimises environmental impact and promotes circular material reuse. As an open, polyvalent space, it hosts cultural and educational activities focused on sustainability and innovation. The contribution of architecture to scientific research is a rare though valuable asset for the future.

The pavilion was part of the “removal” research project on removing waste from alumina production (EC Horizon 2020 Programme). Alumina production in Europe creates 6,850kt of bauxite residue (red mud) yearly. For each tonne of alumina produced, 0.9-1.5 tonnes of solid bauxite residue are generated, while only 3% of the annual bauxite residue production is industrially utilized worldwide. The remaining 97% is stockpiled in the limited available land. The pavilion evaluates and assesses the potential of the building materials produced (brick slips, concrete furniture and pavement blocks), curating for the maximum and multiple application of the above materials. In that sense, the pavilion addresses the challenges of sustainable industrial development by investing in new technologies with the goals of near zero-waste processing and near break-even flowsheets, while researching the future of one of the most important industrial global markets with severe environmental and social impact.