Project description by jury
The goal of the project is to develop innovative sustainable alternative construction materials for wall veneers and insulation purposes. Building wall components are produced from cement kiln dust, byproducts from agriculture (crop fibers, rice husks, bean pods etc.), and aquaculture (fish) used as a natural binder. Depending on the fiber type, different colors, weight and textured of the blocks can be obtained. Compared to conventionally fired bricks that are burned at high temperatures, IXIM (a Mayan word for maize) components require less energy to be produced. The project claims to not only mitigate Greenhouse gas emissions entailed by the production of conventional bricks but also reduce land degradation to extract raw materials.
The LafargeHolcim Awards jury North America applauded the elegant way industrial waste from agriculture that is usually discarded is repurposed. The use of fish processing byproducts as the adhesive agent demonstrates a commitment to reducing the demand for virgin materials in building products. The jury members considered that, albeit for a niche market, the integration of such type of byproduct could turn out to be a true revolution for the cement industry. The variety of colors depending on the crop residues was also seen as a strength of the product. The jury commended the versatility of the manufacturing system, as blocks can be realized with a multitude of natural fibers which makes its production adaptable to different worldwide regions while encouraging the use of local resources. The building products can support the low carbon building industry and enhance the construction sector by introducing new trends of manufacturing processes.
Low Carbon Building Practices
IXIM-CKD manufacturing process requires less energy than conventional cement or brick blocks. To develop a conventional mined aggregate block, the temperature must rise between 700 and 1200°C, whereas to develop IXIM compounds no more than 100°C is required. Essentially, IXIM hopes to utilize as much CKD as possible within the different types of IXIM materials by introducing CKD to different crop fibers and fish byproducts (essential to sequester GHG). Consequently, IXIM wants to introduce new materials towards developing alternative circular business models and sustainable construction practices. The IXIM-CKD materials can thus support the low carbon building industry and enhance the construction sector by introducing new trends of manufacturing processes and material designs.
IXIM CKD promotes social development and environmental protection
From a sustainable construction perspective, protecting the environment by better managing natural resources is an urgent task. Hence IXIM develops new trends of compounds using CKD and different fibers such as corn stover, bean pods, rice husks, coffee husks or hemp stems. This initiative reduces not only GHG emissions entailed by some conventional productions of mine aggregate blocks, but at the same time mitigates land degradation, caused by soil exploitation bringing with it serious consequences such as climate change exacerbation; poverty increase and loss of biodiversity. On the whole, IXIM is a project based on inclusive industrialization, which utilizes CKD to provides additional revenue to the cement industry while supports the agricultural and fishing communities.
IXIM CKD - niche of replicability and adaptability
Based on the IXIM-CKD prototypes our niche market includes many products targeting wall coverings as masonry veneer, wall board panels, and insulation products to create insulation wall systems for residential construction and institutional building. One of the most important attributes of the IXIM material solution is the versatility of its production system. The technology aims to utilize CKD and various worldwide fibers because these react positively with the natural binder IXIM has created using fish byproducts; thus reducing distance and the cost of transport across different regions. The raw materials (CKD, fibers & fish byproducts) are locally available, thus providing an advantage to have a higher degree of replicability and easier scalability throughout North America.See more
Conventional brick production requires high temperatures and consumes enormous amounts of energy. The project by Daniel Francisco Gonzalez and Noor Shaikh from Waterloo and Toronto, Canada, proposes a sustainable production method for alternative, sustainably producible materials as insulation and wall veneer. The masonry elements are made of reclaimed cement-kiln dust and agro-industrial byproducts. Fish processing residue is used as a natural binder. The produced blocks will have different colors, weights, and textures depending on the materials used. Above all, production requires little energy. “Our model is based on circular economy,” explains Daniel Francisco Gonzalez. “We use byproducts from other industries as aggregates to produce new quality building materials. We are also reducing the amount of virgin materials needed in construction.”
The jury considers this an elegant way of repurposing agro-industrial waste. It promotes the use of local resources, and the blocks being produced can be adapted to different regions of the world. “Even if it is always hard to establish such new building materials at a large scale, the use of waste material from agriculture and aquaculture is ingenious,” finds Marilyne Andersen.Read more »
Next Generation 2nd prize winner Off the Wall, Canada – Making building components from food-processing byproducts by …
Next Generation 2nd prize winners Daniel Francisco Gonzalez, student, and Noor Shaikh, consultant, IXIM Bioproducts …
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