8 FEBRUARY - MARCH - 2025Reducing the carbon footprint during a turnaround requires a comprehensive approach addressing various aspects of operations and processes such as shutdown, decontamination, deinventory, and startup. By adopting best practices, companies can reduce their carbon footprint during turnarounds and contribute to overall sustainability goals.Effectively Reducing the Carbon Footprint Several innovative technologies and strategies have effectively reduced the carbon footprint during turnarounds. Here are a few examples that can be implemented across different industries:· Renewable Energy Integration: Incorporating renewable energy sources such as solar panels, wind turbines, or geothermal systems during turnarounds can help offset carbon emissions. This approach reduces reliance on traditional energy sources and promotes a more sustainable, low-carbon energy mix. A straightforward example of this is the use of solar-powered light plants ­ not only does it reduce carbon emissions, but it also reduces safety/spill exposure related to daily refueling and has a general noise reduction impact that promotes improved worker health and well-being.· Energy Storage Solutions: Implementing energy storage systems, such as batteries or compressed air storage, can optimize energy usage during turnarounds. Storing excess energy generated during low-demand periods can be utilized during peak times, reducing the need for fossil fuel-based energy and lowering carbon emissions.· Energy Efficiency Upgrades: Conducting energy audits and retrofitting equipment with energy-efficient technologies can significantly reduce carbon emissions during turnarounds. Examples include upgrading to high-efficiency motors, optimizing HVAC systems, and implementing intelligent controls and automation to minimize energy waste.· Advanced Monitoring and Controls: Leveraging real-time monitoring systems, IoT devices, and data analytics can help identify inefficiencies and optimize energy usage. By continuously monitoring and fine-tuning processes and equipment, carbon emissions can be reduced while maintaining operational efficiency.· Circular Economy Practices: Embracing circular economy principles during turnarounds can minimize waste generation and promote resource efficiency. This includes recycling, reusing materials, and implementing closed-loop systems to extend the life cycle of products and reduce environmental impact.· Carbon Capture and Storage (CCS): In industries with significant emissions, implementing CCS technologies can capture and store CO2 emissions underground, preventing them from entering the atmosphere. This approach helps reduce the carbon footprint during turnarounds and contributes to overall decarbonization efforts.It's important to note that the suitability and implementation of these technologies and strategies may vary depending on the industry, specific operational requirements, and available resources. Conducting feasibility studies, considering cost-effectiveness, and assessing environmental benefits are crucial in adopting and implementing these innovative solutions for reducing carbon footprints during turnarounds.Driving Decarbonization Efforts during TurnaroundsReliability and maintenance practices are crucial in driving decarbonization efforts during turnarounds and can significantly BEST PRACTICES FOR REDUCING THE CARBON FOOTPRINT IN A TURNAROUNDBy Walter Pesenti, Vice President, Manufacturing Excellence, NOVA Chemicals IN MYOPINIONWalter Pesenti
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