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Engineers at the Department of Energy's Pacific Northwest National Laboratory (PNNL) announced that they have created a process that takes an enriched stew of algae and turns it into crude oil which, in turn, can be made into a usable bio-fuel. The development was announced in a recent issue of the journal Algal Research.
In a press release, PNNL described, "In the PNNL process, a slurry of wet algae is pumped into the front end of a chemical reactor. Once the system is up and running, out comes crude oil in less than an hour, along with water and a byproduct stream of material containing phosphorus that can be recycled to grow more algae."
"Not having to dry the algae is a big win in this process; that cuts the cost a great deal. Then there are bonuses, like being able to extract usable gas from the water and then recycle the remaining water and nutrients to help grow more algae, which further reduces costs," Elliot said