Efficient and environmentally friendly extraction techniques can contribute to a circular economy.

Introduction

Efficient and environmentally friendly extraction techniques are crucial for advancing a circular economy, which aims to minimize waste and make the most of resources. This synthesis explores various research findings on innovative extraction methods and their contributions to sustainability and resource efficiency.

Key Insights

Energy Efficiency and CO2 Emissions:
- Energy efficiency in the mining and extractive sectors, combined with the circular economy, has not significantly reduced CO2 emissions in China and Nigeria. However, economic growth, energy use, and clean energy substitution are essential for mitigating emissions.
Subcritical Water Extraction (SWE):
- SWE is a green extraction method that uses only water as a solvent, achieving high yields and adhering to green chemistry principles. It is particularly effective for valorizing grape biomass, making it a sustainable option for extracting bioactive compounds from food waste.
Sustainable Mineral Resource Management:
- Circular economy models in mineral resource management focus on efficient use and improvement of raw material extraction from industrial waste. This approach promotes the conservation of mineral resources through the development of market infrastructure for waste processing and secondary raw material use.
Rapid Solid–Liquid Dynamic Extraction (RSLDE):
- RSLDE is an innovative technique that enhances the efficiency of solid–liquid extraction processes. It operates at room temperature, achieves high yields quickly, and allows the recovery of not completely exhausted waste, thus supporting the recycling of materials typically discarded.

Conclusion

The research highlights several environmentally friendly extraction techniques that contribute to a circular economy. While energy efficiency alone may not significantly reduce CO2 emissions, methods like SWE and RSLDE offer promising, sustainable alternatives for resource extraction and waste valorization. These techniques not only improve efficiency but also support the broader goals of resource conservation and environmental protection.

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Efficient and environmentally friendly extraction techniques can contribute to a circular economy.

Summary

Introduction

Key Insights

Conclusion

Sources and full results

Energy resource melioration and CO2 emissions in China and Nigeria: Efficiency and trade perspectives

Energy efficiency in mining and extractive sectors and circular economy have not reduced CO2 emissions in China and Nigeria, but economic growth, energy use, and clean energy substitution do.

Subcritical Water Extraction to Valorize Grape Biomass—A Step Closer to Circular Economy

Subcritical water extraction (SWE) is a green extraction method for valuing bioactive compounds in grape biomass, contributing to a circular economy and reducing greenhouse gas emissions.

Review of mineral resource management in a circular economy infrastructure

A circular economy model, focusing on efficient use and extraction of raw materials from industrial waste, can conserve mineral resources and promote sustainable social development.

High Efficiency and New Potential of RSLDE: A Green Technique for the Extraction of Bioactive Molecules from Not Completely Exhausted Plant Biomass and Organic Industrial Processing Waste

Rapid Solid-Liquid Dynamic Extraction (RSLDE) offers a more efficient and greener alternative to conventional solid-liquid extraction processes, allowing the recovery of bioactive molecules from not completely exhausted plant biomass and organic industrial processing waste.

Circular Economy Rebound

Circular economy activities can increase overall production, potentially offsetting their environmental benefits, and strategies for avoiding this rebound are needed.

Implications for Sustainability of the Joint Application of Bioeconomy and Circular Economy: A Worldwide Trend Study

The joint application of bioeconomy and circular economy promotes sustainability by improving resource efficiency and reducing environmental impact.

Circular economy practices in the built environment

Cities can achieve a circular economy by reducing resource use, promoting cross-sectoral integration, and developing a database of best practices.

From biocollagenic waste to efficient biogas purification: Applying circular economy in the leather industry

Using biocollagenic waste from the leather industry to produce sustainable activated carbons for biogas upgrading and energy recovery offers a circular economy solution for waste-to-energy applications.

The Role of the Mining Industry in a Circular Economy: A Framework for Resource Management at the Mine Site Level

Proactive and preventive management of mining waste can significantly contribute to a circular economy and minimize nonrenewable resource loss.

A case study of a phosphorus chemical firm's application of resource efficiency and eco-efficiency in industrial metabolism under circular economy

This study presents tools to improve resource efficiency and eco-efficiency in phosphorus chemical firms, leading to increased economic benefit and resource utilization.

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