Sustainability Insights: Forging a Sustainable Path to Decarbonization

July 17, 2024 / Manufacturing Heat Treat Technical Content, OP-ED

The search for sustainable solutions in the heat treat industry is at the forefront of research for industry experts. In this article, provided by IHEA Sustainability Initiatives, a path to sustainable decarbonization is suggested that cuts through the murky waters of changing terms and shifting protocol and charts instead a navigable course with updated definitions and industry resources, such as IHEA’s upcoming Decarbonization SUMMIT in Indianapolis, IN, this fall.

This Sustainability Insights article was first published in Heat Treat Today’s May 2024 Sustainability print edition.

There is no hotter topic (no pun intended) than decarbonization. Just about everywhere you go and everything you read or listen to talks about sustainability and decarbonization. As leaders and stewards in the industrial heating industry, the Industrial Heating Equipment Association (IHEA) is committed to being at the forefront of providing valuable information and developments around the topics of sustainability and decarbonization. For the past 18 months, IHEA has been developing and delivering a highly successful Sustainability Webinar Series; continuously updating terms and definitions, frequently asked questions, and resources for the industry on the IHEA website; and, in its biggest step, is now offering a comprehensive Decarbonization SUMMIT from October 28–30, 2024 in Indianapolis, IN.

Current IHEA President and Sustainability Committee Chair Jeff Rafter states, “All IHEA members are continuously being asked about ways to decarbonize their processes. As the industry association dedicated to all things ‘heating,’ we feel it is our duty to present an unbiased view of what’s happening now, how companies can begin the process of lowering their carbon emissions on their current equipment, while beginning to look at all the alternatives that are coming and how those might fit into their operations. There is no question that change is imminent. We want to be the resource that the industry uses for information on all options to begin to decarbonize operations.”

While not much is going to happen overnight, “Legislation is going to be coming,” notes IHEA Board Member Mike Stowe, who is serving on the ISO Decarbonization Committee. “The best thing companies can do is begin preparing now. Take a look at your current operations and start making changes that improve efficiency now. Educate yourself and your staff on technologies that will help you lower carbon emissions. Be ready for what lies ahead.”

IHEA is ready to help the industry take the next step by hosting its first Industrial Heating Decarbonization SUMMIT. This event is designed to start shaping the future of manufacturing heating processes. It will include keynote addresses by industry visionaries; ways to begin your decarbonization process now; a look ahead at various technologies that can also help you decarbonize; case histories and a panel discussion on decarbonization collaboration; networking with industry leaders, and a tabletop exhibition that showcases cutting-edge technology.

Themes Running Throughout the SUMMIT Will Focus On:

Low Carbon Fuels in Industrial Processes
Carbon Capture and Storage Technologies
Global Benchmarking
Economics and Business Concerns
Innovations in Clean Technologies
DOE (Department of Energy) Programs and Tools
Policy Frameworks for Decarbonization

Target Audience for the SUMMIT:

CEOs and Executives from Industrial Companies
Sustainability Officers and Environmental Managers
Government Officials and Policymakers
Researchers and Academics in Clean Technology
Sustainability Engineers and Program Managers
Directors of Sustainable Manufacturing
Utility Representatives

“We are in a unique position,” comments IHEA President Jeff Rafter. “There has never been an issue like this that has faced our industry. Working together and bringing the industry together at a SUMMIT gives everyone a forum to learn, share ideas and best practices, review recent technologies, and begin lowering carbon emissions as an industry. No one is going to do this alone.”

IHEA’s tabletop exhibits that will accompany the SUMMIT programming will allow attendees to get a close look at a wide array of information that will help them in their decarbonization efforts. Those interested in reserving a tabletop should visit summit.ihea.org. Tabletops are expected to sell out quickly.

As IHEA works its way towards the SUMMIT in the fall, the Sustainability Webinar Series is still underway. Nearly 1,000 people have logged on over the past year since the first webinar was launched. Upcoming Webinars include:

May 16	Increasing Available Heat to Lower CO₂ Emissions
June 20	Understanding Carbon Credits & Net Zero
July 18	U.S. Codes & Standards
August 15	Renewable Fuels

Additional webinars will be supplemented to this list regularly. IHEA’s webinars are free to attend. You can register by going to IHEA’s website (www.ihea.org) and clicking on the Sustainability logo on the home page. Then scroll down and click on the “Sustainability Webinar Series” to review and register for the upcoming webinars. If you have a sustainability topic you would like us to address, please email the topic to anne@goyermgt.com, and we’ll work to create a webinar.

For more information:

Connect with IHEA Sustainability & Decarbonization Initiatives https://www.ihea.org/page/Sustainability

Article provided by IHEA Sustainability Initiatives

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Sustainability Insights: How Can We Work To Get The Carbon Out Of Heating? Part 2

The search for sustainable solutions in the heat treat industry is at the forefront of research for industry experts. Michael Stowe, PE, senior energy engineer at Advanced Energy, one such expert, offers some fuel for thought on the subject of how heat treaters should prioritize the reduction of their carbon emissions by following the principles of reuse, refuel, and redesign.

This Sustainability Insights article was first published in Heat Treat Today’s January/February 2024 Air & Atmosphere print edition.

Reduce

Michael Stowe
PE, Senior Energy Engineer
Advanced Energy

We explored why the question above has come to the forefront for industrial organizations in Part 1, released in Heat Treat Today’s December 2023 print edition. Now, let’s look at the four approaches to managing carbon in order of priority.

The best way to manage your carbon footprint is to manage your energy consumption. Therefore, the first and best step for reducing your carbon footprint is to reduce the amount of energy you are consuming. Energy management tools like energy treasure hunts, energy assessments, implementation of energy improvement projects, the DOE 50001 Ready energy management tool, or gaining third party certification in ISO 50001 can all lead to significant reduction in energy consumption year over year. Lower energy use means a smaller carbon footprint.

Additionally, ensuring proper maintenance of combustion systems will also contribute to improved operational efficiency and energy savings. Tuning burners, changing filters, monitoring stack exhaust, controlling excess oxygen in combustion air, lubricating fans and motors, and other maintenance items can help to ensure that you are operating your combustion-based heat treating processes as efficiently as possible.

Reuse

Much of the heat of the combustion processes for heat treating goes right up the stack and heats up the surrounding neighborhood. Take just a minute and take the temperature of your exhaust stack gases. Chances are this will be around 1200–1500°F. Based on this, is there any effective way to reuse this wasted heat for other processes in your facility? One of the best things to do with waste heat is to preheat the combustion air feeding the heat treating process. Depending on your site processes, there are many possibilities for reusing waste heat, including:

Space heating
Part preheating
Hot water heating
Boiler feed water preheating
Combustion air preheating

Refuel

Once you have squeezed all you can from reducing your process energy consumption and reusing waste heat, you may now want to consider the possibility of switching the fuel source for the heat treating process. If you currently have a combustion process for a heat treat oven or furnace, is it practical or even possible to convert to electricity as the heating energy source? Electricity is NOT carbon free because the local utility must generate the electricity, but it typically does have lower carbon emissions than your existing direct combustion processes on site. Switching heating energy sources is a complex process, and you must ensure that you maintain your process parameters and product quality. Typically, some testing will be required to ensure the new electrical process will maintain the metallurgical properties and the quality standards that your customer’s specific cations demand. Also, you will need a capital investment in new equipment to make this switch. Still, this method does have significant potential for reducing carbon emissions, and you should consider this where applicable and appropriate.

Redesign

Finally, when the time is right, you can consider starting with a blank sheet of paper and completely redesigning your heat treating system to be carbon neutral. This, of course, will mean a significant process change and capital investment. This would be applicable if you are adding a brand-new process line or setting up a new manufacturing plant at a greenfield site.

In summary, heat treating requires significant energy, much of which is fueled with carbon-based fossil fuels and associated-support electrical consumption. Both combustion and electricity consumption contribute to an organization’s carbon footprint. One of the best ways to help manage your carbon footprint is to consider and manage your energy consumption.

For more information:
Connect with IHEA Sustainability & Decarbonization Initiatives www.ihea.org/page/Sustainability
Article provided by IHEA Sustainability

Sustainability Insights