Q&A

Why this UK carbon capture co. expanded to Houston, IRA's impact, and more

Aniruddha Sharma of Carbon Clean weighs in on his North American expansion, the impact of the Inflation Reduction Act, and more. Photo via carbonclean.com

Earlier this year, a growing carbon capture company announced its new North American headquarters in Houston. Now, the company is focused on doubling it's headcount before the end of 2023 to meet demand.

Carbon Clean, which has a technology that has captured nearly two million tons of carbon dioxide at almost 50 sites around the world, opened its new office in the Ion earlier this year. The company is now building out its local supply chain with plans to rapidly expand.

In an interview with EnergyCapital, Co-Founder, Chair, and CEO Aniruddha Sharma weighs in on the new office, how pivotal the Inflation Reduction Act has been for his company's growth, and the future of Carbon Clean.

EnergyCapital: Looking back on the past year since the Inflation Reduction Act was enacted, what has the impact been on Carbon Clean?

Aniruddha Sharma: The IRA did much to jolt industry, incentivizing investment in carbon capture, while also telegraphing that the US government is getting serious about bringing emissions down. Overnight, the US became Carbon Clean's biggest growth opportunity: inquiries from industrial emitters leapt a staggering 64 percent.

The impact of the IRA cannot be overstated for our industry, especially for point source carbon capture technology companies like Carbon Clean. The momentum created by the law's passage, along with our existing activity in North America, led to the opening of our US headquarters in Houston in March this year. We will double our US headcount to meet demand for CycloneCC, our breakthrough, fully modular carbon capture technology.

EC: What does the sector still need to see — in terms of support from the government — to continue to move the needle on the energy transition?

AS: There's much to admire in the way that the IRA incentivizes business. While it involves billions of dollars of public investment, it is set up in such a way that companies must make substantial investments first. IRA funding doesn't arrive on day one — it comes over several years and to get to the first dollar of funding, a company must secure considerable private investment first. In other words, every single dollar of the IRA funding is unlocking additional private investment, creating high-paying jobs, and bringing manufacturing back home.

Of course, a lot of additional investment still needs to happen, and for some harder-to-abate sectors additional policy measures may be required to enable deployment at scale. The IRA is just a first step, but what a giant step it promises to be.

EC: You recently opened Carbon Clean's HQ in Houston. What's next for your company in terms of growth — especially here in Houston?

AS: We're experiencing phenomenal growth globally, but we expect our expansion in North America to outpace all other regions. In line with this, we've seen a surge in interest from industrials across the US and our newly-opened Houston office will help us to meet this demand.

We are establishing a very significant base in the US — doubling our headcount this year — and we are developing a local supply chain to support the commercialization of our breakthrough modular technology, CycloneCC.

The potential for CycloneCC in the US and Houston area is huge. It is optimised for low to medium scale industrial emitters and recent Rice University research on the US Gulf Coast, for example, found that it is well suited to 73% of Gulf Coast emitters.

We're currently working with Chevron on a carbon capture pilot for our CycloneCC technology on a gas turbine in San Joaquin Valley, California. We expect to be announcing additional carbon capture projects in the US in the coming months.

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This conversation has been edited for brevity and clarity.

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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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