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In the global bioeconomy, algae has emerged as a versatile, sustainable, and adaptable bioresource with revolutionary potential. By using their high photosynthetic efficiency, rapid biomass production, and capacity to use wastewater and non-arable land, algae contributes in sequestering carbon and promoting a circular bioeconomy. The several uses of algae in the “3F” paradigm—fuel, feed, and fertilizer discussed in this chapter. Microalgae serves nearly carbon-neutral substitute for fossil fuels in the biofuel industry as third-generation feedstocks for biodiesel, bioethanol, biogas, and biohydrogen. Algal feed improves animal growth, immunity, and aquaculture sustainability by offering a wealth of proteins, vitamins, polyunsaturated fatty acids, and bioactive substances. Algae reduce dependency on chemical fertilizers and mitigate environmental degradation by acting as soil conditioners and biofertilizers that enhance soil structure, nutrient cycling, and crop resilience. Recent advancements in alga biotechnology including CRISPR-Cas9 mediated genetic improvements and novel harvesting along with dewatering techniques has helped in overcoming significant cost obstacles. A broad pathway to a low-carbon, resource-efficient, and sustainable future is offered by algae-based biorefineries, which blend the production of biofuel with high-value byproducts like pigments, antioxidants, and biofertilizers.

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Fundamentals and Advances of Algae-Based Processes in Fuel, Feed, and Fertilizer (3F)

  • 章节

  • 发表日期：

    2026年

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  • Kumari Sony,
  • Anu Bharti,
  • Rubia Kouser,
  • Deepak Pathania,
  • Richa Kothari

摘要

In the global bioeconomy, algae has emerged as a versatile, sustainable, and adaptable bioresource with revolutionary potential. By using their high photosynthetic efficiency, rapid biomass production, and capacity to use wastewater and non-arable land, algae contributes in sequestering carbon and promoting a circular bioeconomy. The several uses of algae in the “3F” paradigm—fuel, feed, and fertilizer discussed in this chapter. Microalgae serves nearly carbon-neutral substitute for fossil fuels in the biofuel industry as third-generation feedstocks for biodiesel, bioethanol, biogas, and biohydrogen. Algal feed improves animal growth, immunity, and aquaculture sustainability by offering a wealth of proteins, vitamins, polyunsaturated fatty acids, and bioactive substances. Algae reduce dependency on chemical fertilizers and mitigate environmental degradation by acting as soil conditioners and biofertilizers that enhance soil structure, nutrient cycling, and crop resilience. Recent advancements in alga biotechnology including CRISPR-Cas9 mediated genetic improvements and novel harvesting along with dewatering techniques has helped in overcoming significant cost obstacles. A broad pathway to a low-carbon, resource-efficient, and sustainable future is offered by algae-based biorefineries, which blend the production of biofuel with high-value byproducts like pigments, antioxidants, and biofertilizers.