crude oil feedstock. We then reuse our solvent in our process and we collect the tower bottoms – the recovered diesel fuel – and resell it. The cleaned solids are visually clean and those are sent to an industrial landfill for disposition. By removing the hydrocarbons, we reduce landfill volumes and avoid their subsequent biodegradation and resulting GHG emissions. That removes up to 2,500 metric tonnes of carbon dioxide equivalents per well.” Recover came upon their solvent extraction process after years of reviewing all existing methods that had been tested in the past. After finding that they couldn’t enhance pre-existing machinery to be more effective, they experimented with over 50 surfactants, chemical additives and bioremediation techniques. A solvent called ‘hexane’ – a compound typically used to extract vegetable oils, such as canola – was identified as an extremely useful cleaning solvent and the company later discovered it was also useful in many commercial applications around the world. Relative to thermal methods, Recover’s technology has numerous distinct advantages: it’s scalable and simple, it can produce a high quality recycled fuel, and it has a low capital and operating cost. On top of everything else, the tech is also now 100 per cent proven – since Q4 of 2021, the company’s first-of-its-kind facility in westcentral Alberta has processed over 90,000 tonnes of drilling waste and produced over 15 million litres of distillate fuel. THE CONSTRUCTION SOURCE CANADA Cleaned Drilling Waste
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