Houston-based Circulus, which just received a $100 million credit facility, focuses on innovative plastics recycling. Photo via circulus.com

Fueled by a new $100 million credit facility, a Houston-based company that specializes in plastics recycling is establishing a nationwide network of recycling plants.

Circulus Holdings secured the $100 million credit facility from Riverstone Credit Partners, which has an office in Houston. This "green" loan is aimed at supporting environmental sustainability.

David Hudson, founder and CEO of Circulus, says in a news release that the credit facility "enables Circulus to rapidly develop a broad network of facilities and further the company's commitment to sustainable manufacturing. We look forward to supporting green-based jobs and preserving our environment for future generations."

Circulus, a portfolio company of Houston-based private equity firm Ara Partners, recently opened its first plastics recycling facility. The 110,000-square-foot plant is in Riverbank, California, near Modesto. It employs 45 people. So far, other Circulus plants, each of which will be larger than the California facility, are planned for Alabama, Oklahoma, the Midwest, and the Northeast.

Circulus is building plants that will transform lower-grade plastic into post-consumer resin so that it's suitable for commercial and industrial uses.

Circulus says it is diverting plastic from landfills, incinerators, and oceans and "upcycling" it into products, including plastic bags and plastic wrap. Customers for those products include retailers, resin producers, packaging manufacturers, and makers of consumer packaged goods. The company says greenhouse gas emissions associated with production of its post-consumer resin are about 88 percent below that of virgin resin.

"Through our significant investment in infrastructure and commitment to manufacturing excellence, we are supporting green job creation and reinforcing the nation's global position in sustainable manufacturing," Hudson says in a news release.

Before Circulus, Hudson was an operating partner at Ara Partners.

Founded in 2019, Circulus employs a dozen people in Houston and plans to add workers here as its network of facilities expands. Circulus is set up as a public benefit LLC, a for-profit business that promotes a social benefit for the public.

Ara Partners invests in decarbonization-focused businesses in the manufacturing, chemicals and materials, energy, and food and agriculture sectors. Aside from Circulus, portfolio companies include Houston-based Path Environmental Technology, which provides a decarbonization-oriented industrial services platform for above-ground storage tanks, and Arlington-based Priority Power Management, an energy services provider whose priorities include carbon neutrality and smart energy.

Circulus is breaking into a plastics recycling market whose global size in 2020 was estimated at $39.9 billion, according to Imarc Group, a market research company. The firm projects the market will grow to $56.5 billion by 2026.

"The demand for plastic material has been constantly increasing across several industries like food and beverage, automotive, packaging, and healthcare. The development of these industries can be accredited to rising population, inflating disposable incomes, and continuous product innovations," Imarc Group says. "In this context, higher manufacturing cost of virgin resins has necessitated the use of recycled plastic products, thereby bolstering the growth of the global recycled plastics market."

Verified Market Research estimates the global market for post-consumer recycled plastics at nearly $15.2 billion in 2020 and forecasts it will rise to almost $22.4 billion by 2028.

"The products produced from these plastics close the loop by diverting them from landfills and enabling them to be recycled," Verified Market Research says. "The advantages of employing post-consumer plastics also assist in addressing … microplastics in the environment. Microplastics are originated from plastic waste that has been deposited into the environment."

Solugen, which uses plant-centered biotechnology to produce environmentally friendly chemicals, has raised an additional $30 million and is speculated to soon reach unicorn status. Photo via solugentech.com

Houston startup raises $30M, plans to be 'next iconic chemical company' with plant-based alternatives

climate tech

While Forbes recently anointed Houston-based Solugen Inc. as one of the next billion-dollar "unicorns" in the startup world, Dr. Gaurab Chakrabarti shrugs off the unicorn buzz.

Chakrabarti, a physician and scientist who's co-founder and CEO of the startup, concedes he doesn't know whether Solugen will be worth $1 billion or not. But he does know that the startup aspires to be a key competitor in the emerging "climate tech" sector, whose players strive to combat climate change. Chakrabarti estimates the climate-tech chemical space alone represents a global market opportunity valued at $1 trillion to $2 trillion per year.

Solugen's overarching goal in the climate-tech market: Replace petroleum-based chemicals with plant-based substitutes.

"I'd love it if we were the poster child that drives climate tech to be the next big, sexy trend," Chakrabarti says.

Chakrabarti acknowledges Solugen's investors, executives, and employees hope the startup succeeds financially. But success, he believes, goes beyond making money and plotting an exit strategy. Instead, Chakrabarti emphasizes "a shift in thinking" on climate tech that he says promises to transform the fledgling sector into a "true niche" that'll be "good for everyone."

"Who cares if people are all hyped up for the wrong reasons?" says Chakrabarti, referring to the unicorn speculation.

Solugen sits at the crossroads of biology and chemistry. In short, the startup taps into plant-centered biotechnology to produce environmentally friendly chemicals and "decarbonize" the chemical industry.

"Quite simply, we want to become the next DowDuPont or the next iconic chemical company, but using principles of green chemistry instead of principles from petroleum chemistry," Chakrabarti says.

If Solugen does reach the icon stratosphere, Chakrabarti envisions it doing so on a speedy schedule. In the traditional petrochemical market, it can take 10 to 20 years to put a new product on the market, he says. "I don't have that kind of time. I'm a very impatient person," Chakrabarti says.

Gaurab Chakrabarti Gaurab Chakrabarti, CEO and co-founder of Solugen, isn't paying any mind to his company's predicted unicorn status — rather he's focusing on the difference he can make on reducing carbon emissions. Photo via solugentech.com

Spurred by that restlessness, Chakrabarti seeks to propel Solugen's products from concept to commercialization in the span of two years. He says the startup already has proven the ability to do that with its sugar-derived hydrogen peroxide product.

"We're going to continue to do that, and it would be great if we can continue demonstrating new [products] coming to market once a year," says Chakrabarti, who grew up in Sugar Land.

Solugen seems to have plenty of financial fuel to make that happen. In April, Solugen raised $30 million in venture capital as an add-on to its Series B funding, which initially closed May 2019. That brings its total VC haul to $68 million since it was founded in 2016, according to Forbes. The recent funding lifted the company's valuation to $250 million, putting it $750 million away from unicorn territory.

Chakrabarti doesn't dismiss the notion of an eventual IPO for Solugen but says being acquired isn't "terribly interesting to me."

"If you want to make money, you can always go be a banker," he notes.

Chakrabarti estimates Solugen will generate $30 million to $40 million in revenue this year, up from $12 million in 2019. Profit remains elusive, though, as the company pours its gains into R&D. The company graduated in 2017 from the Y Combinator startup accelerator. Aside from Y Combinator and Unicorn Venture Partners, investors include Founders Fund, Refactor Capital, Fifty Years, and KdT Ventures.

Solugen's current lineup features fewer than a half-dozen products, which are sold to industrial and government customers. Hundreds more products are in the pipeline for use in sectors like agriculture and energy, Chakrabarti says.

"It's one of the blessings and curses of this company — there's always something to work on, always something big to scale up," says Chakrabarti, who earned his M.D. and Ph.D. from the University of Texas Southwestern Medical Center in Dallas.

Working on selling Solugen's current products and developing its new products are 70 employees, located at its headquarters in Houston and its new production facility in Lubbock. By the end of this year, the startup should employ close to 100 people, Chakrabarti says.

Chakrabarti hesitates to identify Solugen's competitors, as he believes a perceived rival very well could end up becoming a partner.

"I think everyone eventually should be a partner of Solugen, not competition," he says. "It's an ideology that's actually the competition, an ideology like, 'We've always used petrochemistry. This is just how it's been done.'"

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CultureMap Emails are Awesome

10+ can't-miss Houston business and innovation events for April

where to be

It's time to look at what's on the agenda for April for Houston innovators — from pitch competitions to networking events.

Here's a roundup of events not to miss this month. Mark your calendars and register accordingly.

Note: This post might be updated to add more events.

April 4 — A.I. Digital and the Future of Energy

In the latest installment of UH Energy's "Critical Issues in Energy" Symposium Series, the speakers will take a deeper dive into the role of A.l. within the energy marketplace, specifically with what is being done with A.I. and what is capable of being done. In addition to this pivotal look at one crucial aspect of the energy transition, attendees will be afforded networking opportunities with speakers and distinguished guests, and food/refreshments will be provided.

The event is Tuesday, April 4, from 5:30 to 7:30 pm, at the University of Houston. Click here to register.

April 5 — Creating & Sustaining Innovation & Entrepreneurship

Join us for a fireside chat discussing the growth of entrepreneurship & a panel on demystifying the patent process.

The event is Wednesday, April 5, from 9 to 11:30 am, at the Ion. Click here to register.

April 5 — HAN Angel Academy

Learn angel investing best practices from Capital Factory co-founder and chairman, Gordon Daugherty in a half-day bootcamp format for accredited investors.

The event is Wednesday, April 5, from 11 am to 4 pm, at Rice University - Shell Auditorium. Click here to register.

April 11 — Future of Health Care

The Greater Houston Partnership's inaugural Future of Health Care event highlights one of the region's major industry sectors driven by world-class institutions and professional talent.

The event is Wednesday, April 11, from 10:30 am to 1:30 pm, at the Royal Sonesta. Click here to register.

April 11 — Idea to Impact: Navigating the Challenges to Commercializing University Discoveries

Amazing discoveries are made in university labs every day, yet most of them never develop into widely accessible commercial products. Why? And what can universities do to change that? As part of Rice University's "Betterment of the World" Scientia Lecture Series, join Rice Business on April 11 at 4 pm virtually or in person (Shell Auditorium, McNair Hall) to hear Yael Hochberg, Professor in Entrepreneurship at the Jones Graduate School of Business, as she discusses the challenges in commercializing university research discoveries.

The event is Wednesday, April 11, from 4 to 5 pm, at Rice University and online. Click here to register.

April 11 — Greentown Houston Climatetech Career Fair 2023

Greentown Labs and ALLY Energy welcomes all professionals, students, and soon-to-be graduates to join us for the Greentown Houston Career Fair, which focuses on connecting professionals directly with Greentown Houston’ network of founders, CEOs, and cutting-edge climatetech startups looking for bright and eager talent.

The event is Tuesday, April 11, from 4:30 to 6:30 pm, at Greentown Houston. Click here to register.

April 15 — Earth Day Clothing Swap Party with Sustainable Fashion & Earth Month HTX

A clothing swap is a fun, alternative solution to thrift shopping or secondhand fashion that allows you to clean out the clothes you no longer wear and in return bring home new additions to your closet - all for free and hosted by Houston startup RESTATEMENT.

The event is Saturday, April 15, from noon to 5 pm, at Patterson Park. Click here to register.

April 17-18 — AI Powered Renewable Energy Workshop

AI Houston Institute of Rice University in partnership with Ion is getting together experts from academia and industry working on the application of artificial intelligence in solving some of the most complex challenges facing the Energy industry as it transitions into alternative sources of energy that are green and sustainable.

The event is Monday, April 17, to Tuesday, April 18, at the Ion. Click here to register.

April 19 — Investor Studio Series: Dream Big Ventures x Ion x Mendoza Ventures

Underrepresented founders face a lot of barriers, including rarely seeing VC dollars. However, Dream Big Ventures and Mendoza Ventures are looking to change those statistics to help diverse founders succeed. Join Dream Big Ventures Founder and CEO Staci LaToison, and Mendoza Ventures Co-Founders Senofer Mendoza and Adrian Mendoza, as they discuss the growth of women and Latinas in Fintech, AI, and Cybersecurity in this fireside chat.

The event is Wednesday, April 19, from 5 to 7 pm, at the Ion. Click here to register.

April 19 — The H. Albert Napier Rice Launch Challenge Championships

Join Liu Idea Lab for Innovation and Entrepreneurship and support Rice University student ventures at the H. Albert Napier Rice Launch Challenge (NRLC) Championships on Wednesday, April 19. Five student finalists will pitch their ventures to compete for the chance to win a share of $100,000 in equity-free funding.

The event is Wednesday, April 19, from 5:30 to 9 pm, at Rice University. Click here to register.

April 20 — Female Founders and Funders

Calling all rockstar female founders and investors in the Houston area. Mark your calendars for this month's Female Founders and Funders meetup. Coffee and breakfast is provided and the event is free to attend.

The event is Thursday, April 20, from 9 to 10 am, at Sesh Coworking. Click here to register.

Texas researchers name ancient beaver fossil after favorite Texas gas station

Beaver Country

The legend of a treasured gas station chain continues with a new chapter: a rediscovered beaver fossil is being named after Buc-ee’s.

The ancient animal was named Anchitheriomys buceei (A. buceei) by Steve May, a research associate at the University of Texas Jackson School of Geosciences and lead author of the Palaeontologia Electronica paper that describes the beaver.

A. buceei fossils were rediscovered by researchers in UT Austin’s collections and include fossils from six different Texas sites. May decided to name A. buceei after Buc-ee’s after spotting a “This is Beaver Country” billboard in 2020 that reminded him of the fossils he was studying at the time.

Though Buc-ee’s was founded in 1982, CEO Arch “Beaver” Alpin III said in a press release that his business’ history is longer than he thought, and that he may “need to rethink [their] beginnings.”

Occurrences of A. buceei can be found between 15 and 22 million years ago along the state’s gulf coast. At first glance, they don’t appear much different from current native Texas beavers. But according to the report’s co-author Matthew Brown, who is also the director of the Jackson School’s vertebrate paleontology collections, they are nearly 30 percent bigger than today’s beavers.

A partial skull fossil of the beaver was originally collected in 1941 by paleontologists. One of the original finders was Texas A&M University museum curator Curtis Hesse, who passed away four years later before he could name it a new species and publish his study.

More information about A. buceei can be found on UT Austin’s website.

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This article originally ran on CultureMap.