Algae and animal feeding

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					                                                                                                  84 inform February 2010, Vol. 21 (2)

                                                        that demand will be 218 million liters in that         According to Western Farm Press
       ETHANOL                                          year, according to the Manila Bulletin news-
                                                        paper (January 5, 2010).
                                                                                                          microalgae-feed-0104-) XL Renewables is

       Valero buys more                                                                                   investigating the advantages of co-locating
                                                                                                          algal farms with concentrated animal feeding

       ethanol plants                                   ALGAE                                             operations. Algae could be fed to animals
                                                                                                          and provide them with omega-3 fatty acids.
       San Antonio, Texas-based petroleum refiner
       Valero Energy entered the ethanol-produc-        Solix supplying                                   Nutrients from the manure and urine of the
                                                                                                          animals could be fed to the algae. Excess
       tion field in April 2009 by purchasing five
       ethanol production facilities belonging to
                                                        algal biofuel                                     excrement could be sent through a digester
                                                                                                          to produce methane, which could be oxi-
       the bankrupt VeraSun Energy Corp. (Sioux
       Falls, South Dakota, USA; see inform
                                                        samples                                           dized to CO2 and then pumped back to the
       20:422, 2009). The ethanol facilities were       Solix Biofuels, based in Fort Collins, Colo-
       subsumed under the name Valero Renew-            rado, USA, has been sending algae-based
       able Fuels Company, LLC, and the latter
       announced in mid-December that it had
                                                        biofuel from its new demonstration facil-
                                                        ity to potential partners for testing for six
       agreed to buy two more ethanol plants from       months. The company’s Coyote Gulch Dem-
                                                        onstration Facility, located on a two-acre site
       ASA Ethanol Holdings, LLC; these also had
                                                        in southwestern Colorado on land provided
       previously been owned by VeraSun Energy.
       Valero also received approval from a bank-       by the Southern Ute Indian Tribe, began           Hawaiian Electric
       ruptcy court to acquire Renew Energy’s 100
       million gallon (380 million liter) per year
                                                        production in July 2009. Doug Henston,
                                                        chief executive officer of Solix, told Clean-     chooses renewable
       facility located near Jefferson, Wisconsin.
            Valero said it purchased the three plants
                                               (January 5, 2010), “We are very
                                                        pleased with scale-up of production. . . Now      biodiesel for
       for roughly 41% of their estimated replace-
       ment cost.
                                                        we’re paring back . . . because shorter days
                                                        of the winter season means less sunlight,
            These purchases expand the company’s        and less algae production.”                       Hawaiian Electric Company (HECO; Hono-
       ethanol production capacity to 1.1 billion                                                         lulu, USA) announced in January that it
       gallons (4.2 billion liters) per year. Produc-
       tion at the two VeraSun plants will likely
                                                        Algae and animal                  
Description: According to Western Farm Press ( microalgae-feed-0104-) XL Renewables is investigating the advantages of co-locating algal farms with concentrated animal feeding operations.
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