Short answer

Designers and engineers should explore integrated renewable energy and carbon capture solutions for industrial applications, focusing on synergistic process design that addresses multiple environmental and operational goals simultaneously.

Field: Resource Management
Source: Cleaner Engineering and Technology (2025)
Method: Simulation and Modelling
Evidence: Strong effect

Integrating concentrated solar power with accelerated mineral carbonation and direct air capture can achieve net-zero CO2 emissions for mining operations while reducing waste. This resource management research insight is drawn from a 2025 study published in Cleaner Engineering and Technology. Using Simulation and modelling, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Designers and engineers should explore integrated renewable energy and carbon capture solutions for industrial applications, focusing on synergistic process design that addresses multiple environmental and operational goals simultaneously.

Study

Resource ManagementNew This WeekStrong effect

Solar-Integrated Mineral Carbonation for Net-Zero Mining Operations

Integrating concentrated solar power with accelerated mineral carbonation and direct air capture can achieve net-zero CO2 emissions for mining operations while reducing waste.

Cleaner Engineering and Technology · 2025

Key Findings

01The integrated system can achieve net-zero CO2 emissions for power-related emissions in the case-study mine.
02A net of 5.78 MJ heat per kg of carbonated product is required, with 10.7 MJ per kg of CO2 produced in DAC also provisioned.
03The process can permanently sequester 92.2 kt of atmospheric CO2 annually and reduce diesel consumption by almost 90%.
04The system can offset non-power related emissions, leading to a total CO2 avoidance of 68.55 kt annually.

Application

Design takeaway

How to apply

When designing new industrial facilities or retrofitting existing ones, consider integrating renewable energy sources with carbon capture and utilization technologies, prioritizing processes that can utilize waste streams.

Project actions

01When proposing a design solution, consider its impact on multiple environmental metrics, not just one.
02Investigate how different technologies can be combined to create a more efficient and sustainable system.

Method & Evidence

AimCan concentrated solar power, accelerated mineral carbonation, and direct air capture be integrated to create a net-zero CO2 emission process for mining operations, while simultaneously reducing waste and maintaining energy output?

MethodSimulation and Modelling

ProcedureA closed-loop Rankine cycle was simulated in Aspen Plus, integrating a concentrated solar power system with thermal energy storage, an accelerated mineral carbonation heat exchanger, and a direct air capture heat exchanger. The system was designed to generate 10 MWe of electricity for a hypothetical Australian nickel mine, with heat transfer optimized through the process stages.

ContextIndustrial mining operations, renewable energy integration, carbon capture and utilization

Variables

IV["Integration of CSP, AMC, and DAC technologies","Solar thermal energy input"]

DV["Net CO2 emissions","Electricity generation (MWe)","Diesel consumption reduction","Annual carbonate production (kt)","Atmospheric CO2 sequestered (kt)"]

CV["Mine site characteristics (hypothetical Australian nickel mine)","Rankine cycle parameters","Turbine efficiency","Heat exchanger performance"]

Strengths & Limitations

Strengths

+Addresses multiple environmental challenges simultaneously (emissions, waste, resource use).
+Provides a quantitative assessment of the system's performance.
+Proposes a novel integration of existing and emerging technologies.

Limitations

The simulation relies on specific assumptions about material properties and process efficiencies, which might differ in a real-world scenario. The cost-effectiveness of such an integrated system would require a separate detailed economic analysis.

Reliability & validity

The study's validity relies on the accuracy of the Aspen Plus simulation and the input parameters. Reliability would be enhanced by experimental validation of the heat transfer coefficients and reaction kinetics under simulated conditions.

Think critically

To what extent can the principles of this integrated system be applied to other heavy industries beyond mining, and what are the primary challenges in scaling up such solutions?

Design Principles

"Synergistic integration of renewable energy, waste valorization, and carbon capture technologies can achieve net-zero emissions in industrial processes."

This research demonstrates a pathway for heavy industries to significantly reduce their environmental footprint by leveraging renewable energy and waste valorization. It offers a tangible example of how circular economy principles can be applied to complex industrial processes, moving beyond incremental improvements to systemic transformation.

What This Means for Your Design

Imagine using the sun's heat to power a mine, capture carbon from the air, and turn mining waste into rock, all while making the mine's operations carbon-neutral.

How to use in your project

1.Use this study as an example of how to integrate multiple technologies for a sustainable outcome in your design project.
2.Reference the simulation methodology to justify your own modelling approaches.

Add to My Project

Quick Cite

Paragraph starter

The integration of concentrated solar power with accelerated mineral carbonation and direct air capture, as demonstrated by Milani et al. (2025), offers a compelling model for achieving net-zero emissions in industrial settings. This approach not only addresses power-related CO2 emissions but also leverages waste streams for carbon sequestration, significantly reducing the overall environmental footprint of operations.

Source

Cleaner Engineering and Technology

Mineralisation as a carbon sink for DAC: A case-study for solar thermal process integration

journal · 2025

View source

Questions About This Research

What does the research say about solar-integrated mineral carbonation for net-zero mining operations?: Designers and engineers should explore integrated renewable energy and carbon capture solutions for industrial applications, focusing on synergistic process design that addresses multiple environmental and operational goals simultaneously. Evidence: Cleaner Engineering and Technology (2025).
Why does "Solar-Integrated Mineral Carbonation for Net-Zero Mining Operations" matter for design?: This research demonstrates a pathway for heavy industries to significantly reduce their environmental footprint by leveraging renewable energy and waste valorization. It offers a tangible example of how circular economy principles can be applied to complex industrial processes, moving beyond incremental improvements to systemic transformation.
How can designers apply this research?: Designers and engineers should explore integrated renewable energy and carbon capture solutions for industrial applications, focusing on synergistic process design that addresses multiple environmental and operational goals simultaneously.
What were the main findings?: The integrated system can achieve net-zero CO2 emissions for power-related emissions in the case-study mine.. A net of 5.78 MJ heat per kg of carbonated product is required, with 10.7 MJ per kg of CO2 produced in DAC also provisioned.. The process can permanently sequester 92.2 kt of atmospheric CO2 annually and reduce diesel consumption by almost 90%.. The system can offset non-power related emissions, leading to a total CO2 avoidance of 68.55 kt annually.
What research method was used?: Simulation and Modelling.
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2025 journal from Cleaner Engineering and Technology.
What should I do differently in my next project?: When designing new industrial facilities or retrofitting existing ones, consider integrating renewable energy sources with carbon capture and utilization technologies, prioritizing processes that can utilize waste streams.
What are the limitations?: The study is based on a hypothetical case study and simulation; real-world implementation may face site-specific challenges and require further detailed engineering and economic analysis. A full life cycle assessment relative to business-as-usual is still imperative.