Quad County in Galva, Iowa, receives corn in September. 

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Quad Countyâ€™s cellulosic ethanol technology has been thoroughly tested in its R&D facility. 

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Quad County is a farmer-owned ethanol plant.

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Brotherson stands at the control system for fermentation at Quad County.

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Travis Brotherson, left, plant engineer, and Delayne Johnson, general manager, stand inside the 30 MMgy ethanol plant.

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Allison Kinney, R&D lab assistant at Quad County, works on ACE fermentation.

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Quad County Corn Processors is working toward production of both grain-based and cellulosic ethanol from the same feedstock.  

Going for the Fiber

 Abengoa Bioenergyâ€™s 25 MMgy cellulosic ethanol plant at Hugoton, Kan., is beginning to take shape.

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With Brazil and U.S. flags flying atop the Upton, Wyo., demonstration facility, the joint team from Blue Sugars Corp. and Petrobras pose with the first shipment of cellulosic ethanol to be issued RINs. The bagasse-based ethanol was bound for Brazil. 

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Cellulosic ethanol is arriving, with commissioning under way and more than 100 MMgy under construction.

Milestones Reached

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In the left figure, the cavern has not reached the vessel wall. This would not normally be an acceptable agitation result. In the right figure, the cavern has reached the wall. This would be acceptable if the vessel geometry matched the cavern geomet

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A lab-scale vessel and agitator such as this can be used to determine torque split. 

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An illustration of an experimental setup to determine torque splits.

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Reactor geometry, impeller design important to power optimization


Mixing Lignocellulosic Slurries Presents Challenges

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Abengoa Bioenergy of Illinois LLC, an 88 MMgy corn ethanol plant in Madison, Ill., is being temporarily idled for maintenance. Chris Standlee, executive vice president for Abengoa Bioenergy, said that he doesn't expect the shutdown to be long term. 

Abengoa idles Illinois plant for maintenance

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For 32 years, the Alcohol School has provided an educational and networking opportunity for fuel and beverage alcohol industry employees and suppliers. This fall's course began Monday in Montreal with 90 participants. 

Lallemand's annual Ethanol School kicks off in Montreal 

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The Swedish SP Fire Technology is publishing a new handbook, "Fires in silos," presenting a method of tackling silo fires. The handbook has been published in Swedish, with an English version to be available shortly.


Fire researchers develop new handbook on silo fires

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The American Coalition for Ethanol (ACE) held its 20th annual conference and trade show at St. Paul's Rivercentre, in the heart of Minnesota's capital city.