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<p>The Indonesian seaweed industry plays a crucial role in global carrageenan production, with <i>Kappaphycus alvarezii</i> as a key raw material. This study focuses on optimizing the carrageenan extraction process to enhance production efficiency and economic viability. Using the modeling capabilities of “SuperPro” software, a comprehensive process simulation was conducted, covering the entire extraction chain—from dried seaweed transport to final carrageenan production. An economic sensitivity analysis was integrated into the study, evaluating the impact of input costs, market prices, and other economic factors on financial viability. The findings demonstrate that establishing a carrageenan production facility processing 11.5 MT of raw <i>Kappaphycus alvarezii</i> seaweed per batch (44,045 MT annually) yields 13,074 MT of carrageenan annually. The factory exhibits a payback period of approximately 8 years, with a return on investment of 13.824%, proving its technical and economic feasibility over a 15-year lifespan. These results provide valuable insights for stakeholders—including seaweed farmers, processors, and policymakers—on scaling up <i>Kappaphycus alvarezii</i> carrageenan extraction in Indonesia.</p>

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Techno-economical assessment of Kappaphycus alvarezii carrageenan extraction plant

  • 期刊论文

  • 发表日期：

    2025年3月12日

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  • Felix Subakti,
  • Ryozo Noguchi,
  • Andarini Diharmi,
  • Juro Miyasaka,
  • Katsuaki Ohdoi,
  • Ayana Ito

摘要

The Indonesian seaweed industry plays a crucial role in global carrageenan production, with Kappaphycus alvarezii as a key raw material. This study focuses on optimizing the carrageenan extraction process to enhance production efficiency and economic viability. Using the modeling capabilities of “SuperPro” software, a comprehensive process simulation was conducted, covering the entire extraction chain—from dried seaweed transport to final carrageenan production. An economic sensitivity analysis was integrated into the study, evaluating the impact of input costs, market prices, and other economic factors on financial viability. The findings demonstrate that establishing a carrageenan production facility processing 11.5 MT of raw Kappaphycus alvarezii seaweed per batch (44,045 MT annually) yields 13,074 MT of carrageenan annually. The factory exhibits a payback period of approximately 8 years, with a return on investment of 13.824%, proving its technical and economic feasibility over a 15-year lifespan. These results provide valuable insights for stakeholders—including seaweed farmers, processors, and policymakers—on scaling up Kappaphycus alvarezii carrageenan extraction in Indonesia.