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Back to Basics: Effect of D/T Ratio on Agitator Power for Flow Controlled Applications

By Gregory T. Benz Introduction Many agitator applications, such as blending of miscible liquids or suspending slowly settling solids such as starch and grain slurries used in ethanol production, may be classified as flow-controlled applications. That is to say, the process result depends on creating a certain characteristic velocity, Vb, which is calculated on a […]

Celebrating Canada’s 150th: A Short History of the Biofuel Industry in Canada

 By Dr. Gerald Kutney, Lee Enterprises Consulting The 150th anniversary of Confederation on July 1st is a time to reflect upon the country’s achievements; this article covers the evolution of the Canadian biofuel industry – including gaseous, liquid and solid biofuels, and biomass power – from 1867 to 2017. The foundations of the biofuel industry in […]

Opportunities to Transition Ethanol Facilities to Biochemical Refineries

By Daniel Lane, Lee Enterprises Consulting The US commercial petroleum industry started with the drilling by retired railroad conductor Edwin Drake of a well near Titusville, PA in 1859. Drake’s well sparked an oil boom and over the next couple of years, and US petroleum production grew rapidly. By 1865, the first successful oil pipeline was […]

The Industrial State of Biofuels Technologies

By Dr. Gerald Kutney, Lee Enterprises Consulting A myriad of biofuel technologies exist, but which ones are truly industrial processes? The question is not always easy to answer. And one must define what is meant by an industrial process. To facilitate this task, three classifications of industrial status are utilized: Established – modern facilities are numerous, […]

Isobutanol: A New Product from Revamped Ethanol Plants

Rapid depletion and environmental aspects of fossil fuels, coupled with highly volatile market prices have made the quest for alternative fuels a top-priority. Over the past two decades, several alternatives to liquid fuels have been investigated, which have the potential either to completely replace the petroleum-derived fuels in some sectors or be blended with petroleum-based […]

Cellulosic ethanol, what happened, what’s happening?

The story of cellulosic ethanol in the United States has had more plot twists than The Crying Game, the acclaimed Hollywood brain twister—except that this story promises to end with a predictable happy ending. I believe cellulosic ethanol is here to stay for the long haul and it is finally exhibiting real potential to establish […]

Why and When You Need a Project Consultant

As the CEO of the world’s largest bioenergy consulting group, I am fortunate to have a unique opportunity to view alternative fuels projects from many different perspectives. Within our group, now numbering over 75 experts, I find that each member has his or her own approach which developed from their personal experience and training. As […]

Non-Destructive Testing (NDT) at Your Plant

As your facilities continue to age they experience wear and tear: Your facilities are no longer new. The majority of even the youngest of the ethanol and biodiesel production facilities are 5 or more years old at this point. As millions of gallons pumps through your equipment it can erode piping, vessels and other components […]

Climate Change and the American Economy

The 3rd National Climate Assessment (NCA) was released earlier this month, painting a frightening picture of the spiraling costs of climate disruption to America and highlighting the need to price carbon dioxide (CO2) emissions.  While President Obama has pledged action and the electricity industry nervously awaits new EPA regulations for power plant emissions, the most appropriate […]