Radioactive waste is an obstacle to nuclear energy adoption potential. This research team from the University of Houston has discovered a potential solution. Photo via uh.edu

Researchers at the University of Houston have unlocked a new way to use crystals to safely dispose of radioactive waste.

The team of UH researchers published a paper in Cell Reports Physical Science this month detailing their discovery of how to use molecular crystals to capture large quantities of iodine, one of the most common products of radioactive fission, which is used to create nuclear energy.

According to a statement from UH, these molecular crystals are based on cyclotetrabenzil hydrazones. Ognjen Miljanic, professor of chemistry and author of the paper, and his team have created the organic molecules containing only carbon, hydrogen and oxygen atoms, which create ring-like crystals with eight smaller offshoots, earning them the nickname "The Octopus."

The discovery was made by Alexandra Robles, the first author of the study and a former doctoral student in Miljanic’s lab.

The crystals have an uptake capacity similar to that of porous metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), which traditionally have been considered the “pinnacle of iodine capture materials," according to UH. They allow iodine to be moved from one area to another, are reusable and can be produced using commercially available chemicals for about $1 per gram in an academic lab.

“They are quite easy to make and can be produced at a large scale from relatively inexpensive materials without any special protective atmosphere,” Miljanic said in a statement.

The team also believes the crystals can be used to capture additional elements like carbon dioxide.

“This is a type of simple molecule that can do all sorts of different things depending on how we integrate it with the rest of any given system,” Miljanic continued. “So, we’re pursuing all those applications as well.”

Next up, Miljanic is looking to find a partner that will help the team explore practical applications and commercial aspects.

UH has been making net-zero news lately. A team of students from UH placed in the top three teams in a national competition for the Department of Energy earlier this summer. The college also shared details about its forthcoming innovation hub, which will house UH's Energy Transition Institute, as well as other centers and programs.

Joseph Powell, founding director of UH's Energy Transition Institute, sat down with EnergyCapitalHTX last week to talk about UH's vision for the organization.

Ognjen Miljanic is a University of Houston professor of chemistry and author of the paper. Photo via UH.edu

Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

Houston geothermal co. expands DOD partnership with South Texas initiative

seeing green

Expanding on its partnership with the United States Department of Defense's Defense Innovation Unit, Sage Geosystems has been selected to conduct geothermal project development initiatives at Naval Air Station in Corpus Christi.

Along with the Environmental Security Technology Certification Program, Sage will provide its proprietary Geopressured Geothermal Systems technology, will be able to evaluate the potential for geothermal baseload power generation to provide clean and consistent energy at the Naval Air Station base.

“We’re pleased to expand our partnership with the DOD at NAS Corpus Christi to demonstrate the advantages of geothermal technology for military energy independence,” Cindy Taff, CEO of Sage Geosystems, says in a news release.

Sage is also conducting initiatives at Fort Bliss and has completed an analysis at the Ellington Field Joint Reserve Base. The analyses could “pave the way for expanding geothermal energy solutions across additional U.S. military installations,” according to Sage.

The company’s proprietary technology works by leveraging hot dry rock, which is a more abundant geothermal resource compared to traditional hydrothermal formations, and it provides energy resilience for infrastructures. In addition, Sage is building a 3 megawatt commercial EarthStore geothermal energy storage facility in Christine, Texas, which is expected to be completed by December. Sage also announced a partnership with Meta Platforms. With Meta Platforms, Sage will deliver up to 150 megawatt of geothermal power generation east of the Rocky Mountains.

The Naval Air Station Corpus Christi is considered a critical training and operations hub for the U.S. Navy, and the partnership with Sage shows the Navy's commitment to achieving net-zero carbon emissions by 2045. Sage’s technology will be assessed for its ability to create a microgrid, which can reduce reliance on the utility grid and ensure power supply during outages.

“As we advance our Geopressured Geothermal Systems, we see tremendous potential to not only provide carbon-free power, but also strengthen the operational capabilities of U.S. military installations in an increasingly digital and electric world,” Taff adds.

In September, the Air Force awarded Sage a grant of $1.9 million in a first-of-its kind contract to determine whether a power plant using Geopressured Geothermal Systems is able to generate clean energy needed for a base to achieve energy resilience.

Expert shares tips on ways to make solar panels more accessible to Houstonians

guest column

There’s no question that some homeowners feel a twinge of envy when they see solar panels appearing on homes in their neighborhood. The twin benefits of cutting utility costs and participating in renewable energy are alluring to many.

But as those homeowners consider going solar, many never take the plunge because of concerns about affordability, maintenance and uncertainties around qualifying for tax credits and other state and local rebates. For all its appeal, going solar can seem a bit daunting.

But there are more plentiful financing options available to many Texas homeowners that offer accommodating paths for acquiring solar. They also provide solutions to concerns around maintenance and affordability.

Two innovative strategies for switching to solar

Solar energy providers have been working diligently to deliver more convenient pathways for consumers to make the switch. Recently, two new strategies were introduced in Texas: direct, loan-based ownership, and third-party ownership.

Direct system ownership

With this option, homeowners take out a loan to cover the cost of their solar system and its installation. They can then repay that loan over timeframes ranging from five to twenty-five years.

There are varying rates and terms available to accommodate the preferences and goals of individual homeowners. And while manufacturer warranties and installer workmanship warranties have been available to homeowners, it is important to look for companies that offer guarantees for an extended period of time given that most systems can last several decades. For example, Freedom Forever offers a 25-year production guarantee that provides consumers with a measure of comfort around the long-term costs of owning these systems.

Third-party ownership

Another solar financing option involves third-party ownership using a Power Purchase Agreement (PPA) or lease. With a PPA option, a third-party owns the system, and homeowners either agree to buy power at a pre-defined rate per kWh or through a set monthly payment. Homeowners also have the option of leasing the panels for comparable pre-defined rates or monthly payments. (Maybe add one more sentence that explains the difference between PPAs vs lease).

With these two options, the third party insures and maintains the system. This alleviates some of the maintenance and up front cost concerns that have held some back from solar.

Issues to consider before making the switch

Even with the availability of these new options, solar power doesn’t always make sense for everyone. Your personal energy goals and preferences, as well as your tax situation, are important factors to consider when making this decision. Here are some questions folks should ask before making the switch:

  • Would I prefer owning the system outright or relying on a third-party to handle insurance and maintenance?
  • Am I looking for monthly savings now through a PPA or lease or would I prefer the quickest payback and return on investment?
  • Do I have a tax liability that enables me to get a Federal Tax Credit?

The answers to these questions will help you determine which option, if any, makes sense for you. It’s important to remember there is no “best solution for everyone” when considering your options; there’s only the question of what’s right for you.

Other important considerations

Keep in mind that not everyone will qualify for one of the solar options described above. Even in these cases, your state, local utility or a regional credit union may offer alternative financing options that can help you access solar.

Home equity lines of credit may also be a fitting option for some. Dsireusa.org is an excellent resource to help you investigate what incentives and programs are available in your area.

Final tips

As with any important financial decision, it’s a homeowner’s’ responsibility to practice due diligence in terms of assessing what they can afford and who they buy from. Here are some recommended best practices:

  1. Always get several quotes from various companies.
  2. Ask about production guarantees and warranties.
  3. Ask about the need of a service panel upgrade at the start.
  4. Verify that the company you choose offers products that will work with your home construction and roof.
  5. Prioritize solar providers with an extensive list of authorized dealers, such as Freedom Forever.
  6. Confirm that your prospective solar partner has purchasing options around loans and financing and can help you identify the option that best suits your needs.

The good news is that more homeowners than ever before can now feel more comfortable moving to solar. The new options described above for financing and maintenance can make that switch considerably less daunting than it seemed only a few years ago.

———

Robert Angell is the vice president of sales operations at Freedom Forever, one the nation’s largest solar installers.

World's first fully electric jet to take off in Houston, connect greater metro area

up & away

An aircraft that's being touted as the first fully electric jet is taking off from Hobby Airport to serve the greater Houston area.

Lilium Jet, which takes off and lands vertically, is making its United States market debut at Houston-area facilities – Houston Hobby Airport, Conroe North Houston Regional Airport, and The Woodlands Heliport Lilium. Houston-based aircraft brokerage EMCJET will house the Lilium Jet at its Galaxy FBO Houston-area facilities at the airports.

“We are excited to transform Galaxy FBO into a cutting-edge hub for the eVTOL innovation,” Jeremy Gee, CEO of Galaxy FBO, says in a news release. "As the future of electric aviation takes flight, this marks a significant step in making Houston a leader in sustainable and efficient transportation solutions. Our team is proud to support Lilium's revolutionary mode of travel that will connect Greater Houston in ways never thought possible."

The Lilium Jet is capable of quickly connecting routes like Houston Hobby Airport to Galveston, Houston Spaceport to College Station, The Woodlands to Galveston, and others. The jet is designed for regional travel with its aerodynamic shape. The ducted electric fans prioritize efficiency and speed during forward flight. The jet’s anticipated initial operating range is roughly 110 miles. Lilium aims for the first piloted flight of the Lilium Jet to occur early in 2025.

“Lilium is serious about expanding in the U.S. and actively progressing towards FAA validation,” Lilium’s Vice President of Commercial Americas Matthew Broffman says in a news release.” As part of our commitment to working with communities across the U.S. and expanding our customer base, we’re excited to showcase our aircraft for the first time in Houston, a city with a proud legacy of aerospace innovation in America.”

The Greater Houston Partnership will also host a discussion with industry leaders on how electric aviation can “revolutionize regional travel” according to a news release.

“Houston is home to the world’s leading aerospace companies, and we’re thrilled to welcome Lilium and this next generation of aviation technology,” says Kevin Tipton, senior director for aerospace and aviation at GHP in a news release. “Together, we’re on the brink of something groundbreaking for our region.”