| Title | Briquettes production from green coconut shells: technical, financial, and environmental aspects |
|---|---|
| ID_Doc | 25367 |
| Authors | Clasen, AP; Bonadio, JC; Agostinho, F |
| Title | Briquettes production from green coconut shells: technical, financial, and environmental aspects |
| Year | 2022 |
| Published | Engenharia Sanitaria E Ambiental, 27, 3 |
| Abstract | The United Nations Sustainable Development Goals emphasize the need to better understand and propose solutions for the growing demand for resources and the generation of waste by anthropic systems at any scale and intensity. Although it can be considered as secondary importance problem, hundreds of tons of green coconut shell residues annually generated in the Brazilian coastal cities are transported and dumped in landfills, wasting their energy potential and resulting in economic and environmental problems - this approach is known as take, make, disposal, or "linear" production model. This work proposes a "circular" model by using the biomass from green coconut shells generated by the cities of Baixada Santista region as a raw material for briquettes production. Technicaloperational, environmental, and financial aspects are considered to assess the proposed "circular" model in comparison with the existing "linear" model. Results show that technical-operational aspects of the "circular" model are viable due to already existing technologies in the market that can be easily adapted for the purposes in converting green coconut shells into briquettes. The "circular" model proposed allows a reduction in greenhouse gases emission by similar to 40 thousand tons year(-1) when compared to the "linear" model, besides avoiding leachate generation. Furthermore, the 66% profitability, 195% rentability, and 6 months of investment payback suggest the financial viability of briquettes production. Together, all these indicators claim for public policies incentives and private investments to make the proposed "circular" model a reality, which is aligned with the objectives of 2030 agenda. |
| https://www.scielo.br/j/esa/a/8sZLksLQgRNPRCn9sfHPhHS/?lang=en&format=pdf |
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