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Green Plains Renewable Energy Implements Corn Oil Extraction Technology.
Green Plains has entered into a license agreement with GS CleanTech Corporation, a subsidiary of GreenShift Corporation, to utilize its patents and pending patents Overview:
GreenShift Licenses Its Patented Corn Oil Extraction Process to Sunoco
We develop and implement clean technologies designed to integrate into and leverage established production infrastructure and distribution channels to address the financial and environmental needs of our clients by decreasing raw material needs, facilitating co-product reuse, and reducing the generation of wastes and emissions.
Our mission is to build shareholder value by using our technologies to catalyze disruptive environmental gain. We believe that the first, best and most cost-effective way to achieve this is to develop technology-driven economic incentives that motivate a large population of people and companies to make incremental environmental contributions that are collectively very significant.
Our plan to achieve this goal is based on the extraction, beneficiation and refining of biomass-derived co-products that create value-added renewable energy production opportunities capable of shaving meaningful amounts of carbon and cost off of existing liquid fuel supply chains.
We have invented, developed and commercialized powerful new cleantech that enables us to drill into the back-end of first generation corn ethanol plants to tap into a proven reserve of inedible crude corn oil with an output exceeding 20 million barrels per year. This corn oil is an extraordinarily valuable second generation feedstock for use in the production of biodiesel and renewable diesel, advanced carbon-neutral liquid fuels.
Our patented and patent-pending Corn Oil Extraction Technologies are widely considered to be the quickest and best path for margin improvement for first generation corn ethanol producers today. Our extraction technologies increase biofuel yields per bushel of corn by 7% while reducing the energy and greenhouse gas (GHG) intensity of corn ethanol production by more than 21% and 29%, respectively. These benefits correspond to increased ethanol producer income of about $0.12 per gallon of ethanol produced at current market prices, and can be realized for less than 10% of the capital cost of the host ethanol plant. No technologies have ever been developed for corn ethanol producers that begin to approach even a fraction of these results in the entire history of the ethanol industry.
Over 20% of the industry is currently using our patented and patent-pending extraction technologies. At full participation by the ethanol industry, our technologies can give way to the disruptive gains that GreenShift was founded to achieve by producing globally-meaningful quantities of carbon-neutral liquid fuels for distribution through existing supply chains and combustion in our nation's boilers, generators and engines; displacing more than 20 million barrels per year of crude oil; saving up to 10 trillion cubic feet per year of natural gas; eliminating tens of millions of metric tons of greenhouse gas emissions per year; and infusing up to a billion dollars per year of cash flow into the corn ethanol industry - the foundation of North America's renewable fuel production capability.
We are focused on building value for our shareholders today by financing and integrating our extraction technologies into as much of the ethanol fleet as possible. We also maintain our strong commitment to continued innovation. We have many additional patents pending on our portfolio of strategically compatible cleantech, including a number of feedstock conditioning, feedstock production and refining, and carbon mitigation technologies. Our Offering
GreenShift's business model is based on feedstock ownership and margin protection. A sustainable mining business requires a cost-effective and reliable source of ore; a sustainable petrochemical refinery requires a cost-effective and reliable source of petroleum; and a sustainable biofuels business requires a cost-effective and reliable source of feedstock.
GreenShift uses its technologies to sustainably produce biomass-derived products by targeting, extracting, acquiring and refining cost-effective and reliable raw materials that other producers lack the technology to access or process. GreenShift does not sell equipment based on its technologies, nor does it provide services based on its technologies, nor does it license its technologies in any conventional way.
Instead, we generate income by granting non-exclusive, site-specific licenses to ethanol producers (each, a "Licensee") for the use of the our extraction technologies in return for the right to purchase the extracted oil for the life of the use of the technology at a rate indexed to diesel fuel.
GreenShift's plan from inception of its commercialization of our extraction technologies has been to generate income and shareholder value by purchasing the extracted oil from our Licensees, refining the extracted oil into biofuel, and selling the corn oil derived biofuel for use in lieu of fossil fuels. We also plan to sell the extracted oil to third-party biofuel producers until our Licensees are producing sufficient volumes of extracted oil to justify the capital and operating costs of a biofuel refinery. Our Management Team: http://www.greenshift.com/whoweare.php?mode=4 Corn Oil Extraction http://www.greenshift.com/cornoil.php?mode=1
A dry mill ethanol plant will convert each 56 pound bushel of corn it receives into 18 pounds of ethanol, 18 pounds of carbon emissions, and 18 pounds of DDGS. Every kernel of corn has a fat content of about 3.6%. This corresponds to about 2 pounds per bushel, 3.4 million tons of fat at the 9 billion gallon production level in 2008, and 7.4 million tons of fat at the 30 billion gallons of ethanol produced between 1980 and 2004.
This is a lot of fat ... and all of it passed through the U.S. ethanol industry untouched for twenty-four years before our team completed feasibility testing with an early-stage corn oil extraction prototype in 2004 and demonstrated, for the first time, that consistent extraction of as much as 80% of the fat trapped in DDGS in the form of corn oil was economically feasible.
Corn oil extraction technology is widely considered today to be the quickest path for margin improvement for corn ethanol producers. Our corn oil extraction technologies increase biofuel yields per bushel of corn by 7% while reducing the energy and greenhouse gas (GHG) intensity of corn ethanol production by more than 21% and 29%, respectively. These benefits correspond to increased ethanol producer income of about $0.13 per gallon of ethanol produced at current market prices, and can be realized for less than 10% of the capital cost of the host ethanol plant. No technologies have ever been developed for corn ethanol producers that begin to approach even a fraction of these results in the entire history of the ethanol industry.
Our first corn oil extraction patent issued in October 2009, and patent applications for our extraction technologies were recently allowed by the U.S. Patent and Trademark Office. GreenShift's extraction technologies have recently been cited by the U.S. EPA in its rulemaking processes involving the renewable fuels standard. With over 100,000 hours of operational run time and years of know how integrating extraction technology into corn ethanol plants and refining crude corn oil into advanced biofuel, GreenShift has established its technology leadership and proven its reliability.
Take advantage of our corn oil extraction technologies to:
- increase your revenue and earnings,
- decrease your commodity and financial risk,
- reduce your utility consumption and carbon emissions, and
- enhance your biofuel yield and enrich your distillers grain
- for no investment.
About 30% of the mass of each kernel of corn accepted by corn ethanol producers is converted into ethanol by fermentation. The output of fermentation contains ethanol, water, protein, fiber and corn oil. This mixture is distilled to boil off the ethanol for purification in a molecular sieve, leaving the remainder of the mixture in the bottom of the distillation stage. The distillation bottom, or the whole stillage, is conventionally subjected to centrifugation and evaporation to remove water prior to drying in a rotary dryer.
Our extraction technologies intercept the flow of the whole stillage at various points downstream of the distillation equipment and before drying. We condition the stillage, extract the oil, and return the stillage flow back to the ethanol producer for drying and grain production. The extracted oil is then stored and shipped for use as a biofuel or a commercial feed product.
GreenShift designed its technologies to extract oil in a way that decreases the ethanol facility's utility costs. All interconnections are plug-and-play, and the extraction facilities are skid-mounted and capable of rapid installation or demobilization.
Our extraction facilities are fully automated and are designed to integrate into our client's computer control systems. We do not maintain any employees at our extraction facilities. Instead, routine maintenance and ongoing operations are handled by participating ethanol clients in coordination with our technical support staff, which has the ability to troubleshoot and operate each extraction installation remotely.
Our extraction technologies are grouped in methods: Method I, which extracts oil from thin stillage, and Method II, which increases thin stillage extraction by pre-treating the whole stillage upstream of Method I.
The whole stillage output from the distillation stage of the ethanol process is routed to centrifugation to remove water and solubles (the centrate). The centrate is called thin stillage and it contains water, fiber and corn oil. The water content of thin stillage is reduced by evaporation in a multiple effect evaporator to produce a concentrated thin stillage, or syrup, consisting of approximately 40 weight percent solids (including corn oil). The syrup is conventionally combined with the solids from centrifugation of the whole stillage (the wet grains), and dried to produce distillers dried grains.
The Method I process intercepts the syrup during evaporation and consists of pretreatment, emulsion breaking, centrifugation (to remove the oil), and solids settling prior to returning the defatted syrup back to evaporation.
The Method II process washes the whole stillage in a series of additional centrifuges upstream of the normal centrifugation stage of the ethanol plant. This causes the oil concentration in the centrate flow noted above to increase, which in turn increases the amount of oil extracted by the Method I process. Method I can extract up to about 3 gallons for every 100 gallons of ethanol produced. Method II can add another 3.5 gallons of corn oil for every 100 gallons of ethanol produced. We have other additional methods in development to increase these yields further.
Important Company Highlights:
Backend Fractionation Technology Presentation
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