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This study investigates the potential of nano-calcium carbonate (NCC) to reduce the CO₂ footprint from energy generation and explores its applicability in agriculture. The synthesis of NCC from captured CO₂ was examined, including its effectiveness as an additive to improve material efficiency, and its use in mitigating emissions. Life cycle assessment (LCA) using OpenLCA software was performed to evaluate the environmental impacts of NCC production from CO₂ emissions in thermoelectric plants, focusing on the cradle-to-gate approach. The synthesized product showed excellent neutralization power, favorable particle size (<100 nm), and potential application as a soil amendment—or nanocorrective—and nanofertilizer. The LCA results revealed a significant reduction in carbon footprint, aligning with sustainable agricultural goals. NCC presents opportunities for regions lacking natural limestone, contributing to improved soil quality and promoting low-carbon practices. Thus, this study emphasizes NCC as a dual-impact innovation: reducing atmospheric CO₂ through carbon capture and use (CCU), enhancing agricultural productivity. It supports the transition to a zero-carbon economy and aligns with global climate and sustainability goals.

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Life Cycle Assessment of a Nanocorrective/Nanofertilizer Obtained from Carbon Capture and Use Process

  • 章节

  • 发表日期：

    2026年

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  • Dieter Miers,
  • Silvio Vaz Jr.,
  • Daniela Tatiane de Souza,
  • Érica Gravina,
  • Carlos Eduardo Pacheco Lima

摘要

This study investigates the potential of nano-calcium carbonate (NCC) to reduce the CO₂ footprint from energy generation and explores its applicability in agriculture. The synthesis of NCC from captured CO₂ was examined, including its effectiveness as an additive to improve material efficiency, and its use in mitigating emissions. Life cycle assessment (LCA) using OpenLCA software was performed to evaluate the environmental impacts of NCC production from CO₂ emissions in thermoelectric plants, focusing on the cradle-to-gate approach. The synthesized product showed excellent neutralization power, favorable particle size (<100 nm), and potential application as a soil amendment—or nanocorrective—and nanofertilizer. The LCA results revealed a significant reduction in carbon footprint, aligning with sustainable agricultural goals. NCC presents opportunities for regions lacking natural limestone, contributing to improved soil quality and promoting low-carbon practices. Thus, this study emphasizes NCC as a dual-impact innovation: reducing atmospheric CO₂ through carbon capture and use (CCU), enhancing agricultural productivity. It supports the transition to a zero-carbon economy and aligns with global climate and sustainability goals.