the view from heti

Q&A: Houston engineering, consulting exec on designing a low-carbon future

Ken Gilmartin, CEO of Wood, joins HETI for a Q&A. Photo courtesy of HETI

Global engineering and consulting firm Wood is a pioneering force in the energy transition landscape.

The Houston Energy Transition Initiative recently sat down with Ken Gilmartin, CEO of Wood, to learn more about the company’s strategic mission for the future and their recent wins in the energy space that are driving the energy transition forward.

Houston Energy Transition Institute: Can you give our audience an overview of Wood and your mission to help reach net-zero?

Ken Gilmartin: We are a company of 36,000 remarkable people delivering some of the world’s most complex and transformative projects for our clients. As an engineering and consulting firm, we’re passionate about delivering net-zero solutions across two key markets, energy and materials.

Our passion derives from our people whose curiosity, skills and expertise have always driven the advancement and transformation of industry, pushing the envelope of what is possible. Sustainability is core to us as engineers and consultants and we take our responsibility in delivering the net-zero solutions critical to the world, very seriously.

We live in the future – designing and delivering facilities today that will operate more effectively, efficiently and sustainably tomorrow by integrating technologies to decarbonize and digital solutions that derive data to ensure this.

HETI: Wood was recently selected as an EPCM partner by Canadian battery materials company Euro Manganese Inc. with a mission to design Europe’s largest high-purity manganese processing facility. How critical is this project to the energy transition?  

KG: Hugely critical. As a mineral used in most lithium-ion batteries, it is core to the electric vehicle industry and therefore, the energy transition.

This project is the only significant source of manganese in the European Union today. With mineral reserves of 27 million tonnes, this project could provide up to 20 percent of the projected European demand for high-purity manganese, which will provide battery supply chains with critical raw materials to support the shift to a circular, low carbon economy.

This innovative project holds real significance for Wood as we continue to lead the development of critical mineral projects — with specialist expertise in hydrometallurgy and a passion for designing sustainable energy and materials infrastructure.

HETI: Closer to HETI’s home, what have you got going on in the region in the energy transition space?

KG: As a result of the Inflation Reduction Act and other key government policies and incentives, we’re seeing a significant uptick in the number of decarbonization projects, particularly hydrogen and carbon capture storage (CCS).

Wood is at the forefront of advising our clients on funding opportunities and taking the lead on the development of Department of Energy applications to ensure critical net zero projects go from paper to production. We see ourselves as a collaborator across the entire process, from funding and feasibility to engineering, design, start-up and operations.

Ten years ago, we delivered Century Plant in West Texas, which at the time, was the largest CO2 plant in the world. Our involvement in needle-moving projects in the region hasn’t stopped.

We have near 4000 people in Texas advising and delivering some of the most innovative energy transition projects, including work on the critical CCS and hydrogen hub program proposed right here in Houston and across the U.S. We’re also supporting our clients in the funding and application stages of their direct air capture projects; we’re meeting the demand for low-carbon fuel alternatives in the areas of hydrogen fuel-switching, electrofuels and biofuels; and we’re delivering e-methanol projects along the U.S. Gulf Coast that will target and abate maritime emissions. You name it, we’re doing it.

As the DOE looks to award further funding rounds for hydrogen, carbon capture and industrial decarbonization projects in 2024, we’re excited about the tremendous opportunities this presents for the region and the role we can play in Houston’s future as the world’s energy capital.

Learn more about Wood, and their work in the energy transition.

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This article originally ran on the Greater Houston Partnership's Houston Energy Transition Initiative blog. HETI exists to support Houston's future as an energy leader. For more information about the Houston Energy Transition Initiative, EnergyCapitalHTX's presenting sponsor, visit htxenergytransition.org.

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A View From HETI

Rice University scientists' “recharge-to-recycle” reactor has major implications for the electric vehicle sector. Photo courtesy Jorge Vidal/Rice University.

Engineers at Rice University have developed a cleaner, innovative process to turn end-of-life lithium-ion battery waste into new lithium feedstock.

The findings, recently published in the journal Joule, demonstrate how the team’s new “recharge-to-recycle” reactor recharges the battery’s waste cathode materials to coax out lithium ions into water. The team was then able to form high-purity lithium hydroxide, which was clean enough to feed directly back into battery manufacturing.

The study has major implications for the electric vehicle sector, which significantly contributes to the waste stream from end-of-life battery packs. Additionally, lithium tends to be expensive to mine and refine, and current recycling methods are energy- and chemical-intensive.

“Directly producing high-purity lithium hydroxide shortens the path back into new batteries,” Haotian Wang, associate professor of chemical and biomolecular engineering, co-corresponding author of the study and co-founder of Solidec, said in a news release. “That means fewer processing steps, lower waste and a more resilient supply chain.”

Sibani Lisa Biswal, chair of Rice’s Department of Chemical and Biomolecular Engineering and the William M. McCardell Professor in Chemical Engineering, also served as co-corresponding author on the study.

“We asked a basic question: If charging a battery pulls lithium out of a cathode, why not use that same reaction to recycle?” Biswal added in the release. “By pairing that chemistry with a compact electrochemical reactor, we can separate lithium cleanly and produce the exact salt manufacturers want.”

The new process also showed scalability, according to Rice. The engineers scaled the device to 20 square centimeters, then ran a 1,000-hour stability test and processed 57 grams of industrial black mass supplied by industry partner Houston-based TotalEnergies. The results produced lithium hydroxide that was more than 99 percent pure. It also maintained an average lithium recovery rate of nearly 90 percent over the 1,000-hour test, showing its durability. The process also worked across multiple battery chemistries, including lithium iron phosphate, lithium manganese oxide and nickel-manganese-cobalt variants.

Looking ahead, the team plans to scale the process and consider ways it can sustain high efficiency for greater lithium hydroxide concentrations.

“We’ve made lithium extraction cleaner and simpler,” Biswal added in the release. “Now we see the next bottleneck clearly. Tackle concentration, and you unlock even better sustainability.

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