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Improving the Thermal Performance and Energy Efficiency of Buildings by Incorporating Biomass Waste into Clay Bricks

202320 citationsOpen accessBritish University in Egypt

In plain language

This research explored the feasibility of incorporating pomegranate peel waste into fired clay bricks to improve building thermal performance and energy efficiency. The study determined that an optimal amount of 15% pomegranate peel waste, fired at 900 °C, resulted in bricks with lower thermal conductivity compared to conventional bricks. These manufactured bricks significantly reduced energy consumption in buildings by 17.55% to 33.13% and carbon dioxide emissions by 7.50% to 24.50%. An economic analysis indicated a simple payback time ranging from 1.88 to 10.74 years. The findings suggest that these bricks are a feasible and environmentally sustainable building material, contributing to reduced heat gain and energy preservation.

Key takeaways

  • Pomegranate peel waste can be successfully incorporated into fired clay bricks.
  • Optimal conditions for these bricks were 15% waste content and a 900 °C firing temperature.
  • The manufactured bricks exhibited lower thermal conductivity than conventional bricks.
  • They reduced building energy consumption by 17.55% to 33.13% and CO2 emissions by 7.50% to 24.50%.
  • The economic payback period for these bricks was estimated to be between 1.88 and 10.74 years.

Why it matters

This research offers a sustainable approach to construction by repurposing agricultural waste into building materials. It addresses environmental concerns by reducing CO2 emissions and energy consumption in buildings, while also providing an economically viable option for more eco-friendly urban development.

Commercialisation angle

This research presents a new, sustainable building material for the construction industry, specifically fired clay bricks incorporating agricultural waste. It could be used by builders and developers seeking to construct more energy-efficient and environmentally friendly buildings. The work is at an applied research stage, demonstrating the technical and economic viability of the material, suggesting it is ready for further development and potential market adoption.

AI-generated from the published abstract. Always read the original work before citing.

Abstract

Excessive urban construction is primarily driven by uncontrolled population growth, which has serious consequences for the environment, energy, cost, and human life in general when building materials are massively used. In terms of energy and economic efficiency, buildings that make use of sustainable construction materials and technologies perform better. This is because building in an eco-friendly way results in less waste. Agro-industrial by-products and insulating materials are two examples of sustainable materials that have been put to good use in the climate change mitigation effort and to preserve the environment. Precast components are emphasized as a viable option that is suitable for this purpose and may potentially fulfill the need for housing units. Thus, this study investigated the viability of employing agricultural waste consisting of pomegranate peel waste to produce fired clay bricks. Results demonstrated that the optimum amount of pomegranate peel waste was determined to be 15%, and the optimal firing temperature was determined to be 900 °C. The thermal conductivity of all test samples was lower than that of conventional brick. Furthermore, when compared to conventional wall brick, all the tested samples of manufactured brick reduced energy consumption by 17.55% to 33.13% and carbon dioxide emissions by 7.50% to 24.50%. In addition, the economic feasibility of employing each synthetic sample was evaluated by computing the simple payback time (SPP). It was determined that 1.88–10.74 years were required for the brick samples to provide a return on their initial investment. Due to its ability to decrease heat gain, preserve energy, minimize CO2 emissions, and shorten the payback time, burned clay bricks manufactured from pomegranate peel waste are regarded as a feasible building material. Hence, manufactured bricks are usually considered an exceptional contribution to environmental sustainability.

Research topics

  • Recycling and utilization of industrial and municipal waste in materials production
  • Hygrothermal properties of building materials
  • Building materials and conservation

Read the original research

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DOI: 10.3390/ma16072893

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