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Ashland Water Technologies News RSS
The patent-pending extraction aid is chemical rather than mechanical and therefore, requires no additional capital expenditure, Pankonen told EPM.
It is added to the process after distillation, to the syrup being separated into corn oil and DDGs and works by improving the release of oil during mechanical extraction.
The resulting oil contains less solids and means a reduction of system deposits, adding up to less downtime for cleaning and maintenance.
The company began testing its extraction aid in 2009 in ethanol facilities.
Because all plants are not alike, it has worked with more than 20 ethanol plants to confirm and quantify the results of using the chemical extraction aid.
"We worked very closely with our customers to design a technology that is easily integrated into their existing process," Pankonen said.
The company's work with ethanol producers in the past has focused on providing water treatment chemicals to control corrosion, reducing microbial contamination and helping to install zero-discharge water reuse systems.
In working to help customers enhance their bottom line, the Ashland biorefining team recognized the opportunity for a corn oil extraction aid, Pankonen said.
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