Ace Ethanol begins D3MAX plant construction at Wisconsin facility

By BBI International | October 17, 2018

D3MAX LLC and Ace Ethanol LLC announced they have started construction of the first D3MAX facility at Ace Ethanol’s plant in Stanley, Wisconsin. Ace Ethanol will be the first ethanol producer to integrate the patented D3MAX technology with its existing corn dry mill. Earlier this year, Ace Ethanol received approval from its board of directors and members to proceed with the design and construction of the corn kernel fiber-to-ethanol plant.

“The D3MAX and Ace Ethanol teams are extremely excited to start building the first commercial-scale facility,” said Mark Yancey, chief technology officer at D3MAX. The integrated facility will also employ membrane-based ethanol recovery technology supplied by Whitefox Technologies, resulting in significant energy savings. Fagen Inc. is the chosen contractor to build the new D3MAX facility. 

The companies working on the D3MAX detailed design and build were selected earlier this year by the planning team. “We have assembled the best team with the best technologies to build the first commercial-scale D3MAX plant,” Yancey said. “We are employing a fully integrated design at the Ace plant, which will make the facility one of the most energy-efficient ethanol plants in the U.S. with the highest ethanol yield per bushel. The combined facilities will be so efficient that the energy use of the new integrated facility will be approximately the same as the current Ace ethanol plant. We are very excited to make this announcement and begin the construction of what we believe will be the new benchmark for the industry.” 

According to Yancey, the D3MAX process is the only corn kernel fiber-to-ethanol process that will not require an independent engineer to validate the cellulosic ethanol production every 500,000 gallons of cellulosic ethanol produced. With the D3MAX process, cellulosic ethanol gallons can be measured directly, avoiding the cost of recertification required by EPA for coprocessing and in-situ corn kernel fiber processes. Currently, all other corn kernel fiber technologies require costly recertification every 500,000 gallons. 

To learn more about D3MAX visit:
To learn more about Ace Ethanol visit:

D3MAX is a technology company formed by BBI International to license its patented cellulosic ethanol technology to dry mill ethanol plants in the U.S. and Canada. The cutting-edge technology converts corn fiber and residual starch in distillers grains to cellulosic ethanol. This is a 1.5 billion gallon per year market and BBI International intends to capture a significant portion of the market by licensing its D3MAX technology to existing ethanol plants. 

About Ace Ethanol LLC
Ace Ethanol LLC is an ethanol production facility built by local investors in Stanley, Wisconsin. Each year the facility takes in more than 17 million bushels of corn, resulting in an output of approximately 50 million gallons of ethanol, 118,000 tons of DDGS, 8,000 tons of distillers corn oil, and 65,000 tons of carbon dioxide. The facility has a storage capacity of 2 million bushels on site. 

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