Slater’ organization gets $6.5M to build drinking water-cleansing technology

The drinking water-cleansing engineering made by a Slater-primarily based business has attracted the attention of a team of Iowa investors, who’ve poured $6.5 million into Gross-Wen Technologies.

Gross-Wen’s major attract is a patented course of action that uses algae to clear wastewater.

ISA Ventures and Iowa Farm Bureau’s Rural Vitality Fund led the investment decision in Gross-Wen, along with a fifty percent-dozen other undertaking funds entities.

Eric Engelmann, a basic lover at ISA Ventures, stated the team is happy to devote in a “groundbreaking business and its technological know-how, led by an extraordinary group, to accelerate Gross-Wen Technologies’ progress in Iowa.”

He claimed raising significant dollars for a firm that is hitting its stride with the appropriate technological innovation at the appropriate time is “big information for Iowa and for central Iowa’s startup ecosystem.”

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The traders imagine the timing is suitable, in element, mainly because lots of municipalities and firms are hunting for much less highly-priced, effective solutions to satisfy stricter federal and point out drinking water good quality needs.

Gross-Wen uses a approach it phone calls revolving algal biofilm to price-correctly fulfill new wastewater discharge permits.

The RAB procedure takes advantage of algae to recuperate nutrients these types of as nitrogen and phosphorus from wastewater in a extra affordable manner than traditional procedures. The algae consume carbon dioxide and generate oxygen, both equally of which are nutritious processes to battle climate modify.

The harvested algae are then turned into pellets that are loaded in nitrogen and phosphorus and can be utilized as fertilizer or bioplastics.

The course of action has small prices for vitality and operation, and it does not demand high-priced carbon or chemical inputs.

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“There is a remarkable prospect for sustainable h2o treatment method systems. This funding will give GWT the capital to develop our present existence in Iowa and the Midwest and provide us the methods to create new markets across the U.S.,” Martin Gross, co-founder and president of Gross-Wen, explained in a news launch. “We are thrilled to increase ISA Ventures, Rural Vitality Fund and Subsequent Stage Ventures as our newest shareholders at GWT. These corporations stand for the top venture funds companies in Iowa and we search forward to their steering as we increase our organization.”

Gross and his professor, Zhiyou Wen, established the patented method though Gross was a graduate scholar at Iowa Condition College. Gross and Wen co-started the business in 2014. Wen continues as a complex specialist.

Slater executed Gross-Wen’s algae-centered technology at a cost savings of $1 million as it improved its wastewater procedure facility to satisfy extra stringent Division of Normal Means requirements.

Gross credits the metropolis and Mayor John Kahler for remaining forward-wondering in picking out Gross-Wen in December 2018.

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“Slater was looking at a $6 million option,” Gross claimed. “However, I’m joyful to say by applying our technique, the local community saved around $1 million.”

In December 2019, Gross-Wen opened its headquarters on Slater’s Most important Road.

The developing at 404 Primary St. was dilapidated when Gross-Wen purchased it from the city for $1. A $100,000 Catalyst grant from Iowa in 2019, alongside with a facade grant from Story County, served spruce up the making, producing an industrial sense with the use of metal and greenhouse glass like that applied in Gross-Wen’s algae-based mostly nutrient restoration stations.

“We require investors who are willing to devote in small communities,” Engelmann mentioned. “And we will need businesses who are keen to track down there. Unquestionably, Martin Gross has accomplished some actually interesting operate placing Gross-Wen right there on Most important Avenue.”

Also included in the funding of Gross-Wen are Future Degree Ventures, Mid-American Angels, Ankeny Angels, Ag Startup Engine, Oman Ventures and 1330 Investments.

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The ISA Ventures fund was established throughout the COVID-19 pandemic, Engelmann stated.

“The fund only invests in Iowa corporations, and we selected Gross-Wen as one particular of the significant hitters we actually needed to back,” he stated.

ISA Ventures is set up to devote in organizations early, when other undertaking funds are likely to not want to engage in, Engelmann said.

Engelmann grew up in Davenport, graduated from the College of Iowa and obtained his to start with job in Cedar Rapids, wherever he life.

“About one particular-3rd of our funds is heading to be invested terribly early in businesses — that’s not Gross-Wen, to be clear,” he claimed. “But I believe that’s an fascinating portion about our model, for the reason that we are inclined to be the very very first check out you at any time acquire as a founder and then we proceed to invest above time, bringing in more substantial cash when you definitely hit it huge.

“We prepare an essential job in the ecosystem of pinpointing substantial-probable founders early and aiding them create their firms here in Iowa.”

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