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2018 Client Showcase Countdown #9 – Iowa SBDC Client Gross-Wen Technologies Inc. Takes Wastewater Treatment to the Next Level

Meet Gross-Wen Technologies Inc. (

Gross-Wen TechnologiesGross-Wen Technologies uses its patent pending wastewater treatment technology, known as the revolving algal biofilm system (RAB), to cost-effectively address the new nutrient standards that are being enforced by municipalities nationwide. The system uses algae to recover nutrients such as nitrogen and phosphorus from wastewater.

SBDC: America’s SBDC – Iowa (
SBDC Advisor: Lisa Shimkat

“Compared to other nutrient treatment options this system is a fraction of the cost and produces algae biomass which can be sold as a slow release algal fertilizer. Overall the process is carbon negative, making it the most sustainable approach to treat nitrogen and phosphorus from wastewater. SBDC has really helped our company by connecting us with partners that are critical in helping us reach our milestones.” – Martin Gross, President


The America’s SBDC 2018 Client Showcase Reception will be at 5 pm on Tuesday, February 13, 2018, in the Rayburn House Office Building Cafeteria.

Invite your Members of Congress now!

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