seeing green

Houston team researching how algae can combat climate change

Venkatesh Balan and his team at UH are researching ways fresh- and salt-water phototropic organisms, or microalge, can sequester carbon from industrial refineries and convert it into useful byproducts. Photo via UH.edu

Researchers at the University of Houston are looking at an alternative way to capture carbon that uses a surprising conduit: algae.

In a newly published article in Green Chemistry, a journal of the Royal Society of Chemistry, Venkatesh Balan, associate professor of engineering technology at UH, details how he and his team are researching ways fresh- and salt-water phototropic organisms, or microalgae, can sequester carbon from industrial refineries and convert it into useful byproducts.

Balan is joined by UH researchers James Pierson and Hasan Husain, Sandeep Kimar from Old Dominion University, Christopher Saffron of Michigan State University, and Vinod Kumar from Cranfield University in the United Kingdom.

According to a release from UH, Balan and research assistant Masha Alian have uncovered how microalgae can produce fungus like lichen and create healthy food products. After microalge captures the carbon, it then converts that CO2 into mass-produced proteins, lipids and carbohydrates, according to the team's research.

“We are coming up with the alternate approach of using algae to fix the CO2 then using the carbon to make bioproducts that are useful to mankind,” Balan said in the release.

The method offers an alternative to other carbon capture options that aim to burry carbon, which is expensive and energy intensive, according to UH.

Balan says this research also has applications in wastewater treatment and the production of food, fertilizers, fuels and chemicals, all of which could lessen the dependency on fossil fuels in the future.

"On your table or in your pantry, you see food products. What’s harder to visualize are the greenhouse gasses emitted by the orchard that grows the fruit, the factory that makes the breakfast cereal, the transportation that brings the cookies to your neighborhood, even your own commute to buy the food," Balan said. "It adds up, but the problem is easy to ignore because we can’t see it. Yet all consumers contribute, in our own way, to the greenhouse effect.”

The UH team is just one of many Houston groups looking at unconventional, although natural ways to combat climate change.

In September, Rice University announced that two researchers were awarded a three-year grant from the Department of Energy for their research into the processes that allow soil to store roughly three times as much carbon as organic matter compared to Earth's atmosphere.

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A View From HETI

Houston-based CAMS will operate the Mesteño Wind Project, which is home to one of the tallest wind turbine installations in the U.S. Photo via Unsplash.

Houston-based Consolidated Asset Management Services (CAMS), which provides services for owners of energy infrastructure, has added the owner of a South Texas wind power project to its customer list.

The new customer, InfraRed Capital Partners, owns the 202-megawatt Mesteño Wind Project in the Rio Grande Valley. InfraRed bought the wind farm from Charlotte, North Carolina-based power provider Duke Energy in 2024. CAMS will provide asset management, remote operations, maintenance, compliance and IT services for the Mesteño project.

Mesteño began generating power in 2019. The wind farm is connected to the electric grid operated by the Energy Reliability Council of Texas (ERCOT).

With the addition of Mesteño, CAMS now manages wind energy projects with generation capacity of more than 2,500 megawatts.

Mesteño features one of the tallest wind turbine installations in the U.S., with towers reaching 590.5 feet. Located near Rio Grande City, the project produces enough clean energy to power about 60,000 average homes.

In June, CAMS was named to the Financial Times’ list of the 300 fastest-growing companies in North and South America. The company’s revenue grew more than 70 percent from 2020 to 2023.

Earlier this year, CAMS jumped into the super-hot data center sector with the rollout of services designed to help deliver reliable, cost-effective power to energy-hungry data centers. The initiative focuses on supplying renewable energy and natural gas.

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