Reservations regarding jatropha by ProQuest

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									                                                                                              296            inform May 2009, Vol. 20 (5)


       MAGFUEL™ natural oils for conversion to
       biodiesel (calculations based on waste pro-
                                                      algae “is counterintuitive, because with so
                                                      much water and so little algae, it is natural    Ion exchange
       duction using the 2010 US Census Bureau
       estimates of population).
                                                      to want to move the algae. But moving
                                                      water instead is very efficient, and all water   resins for biodiesel
            EcoSystem plans to market MAGFUEL
       into the existing biodiesel industry as a
                                                      is recycled.” Company technology is based
                                                      on various ways of moving water, including
                                                                                                       production
       blending agent for lower-grade biodie-         capillary effect, cohesion, absorption, and      At the 1st Biofuels Roundtable Malay-
       sel feedstocks (e.g., choice white grease,     transpiration. The process has been dem-         sia, held in Kuala Lumpur (March 24–25),
       tallow, and yellow grease), which have         onstrated with Chlorella vulgaris, Euglena       LANXESS AG (Leverkusen, Germany)
       poor cold flow properties and high cetane      gracilis, and Botryococcus braunii.              showcased its ion exchange resin Lewatit
       value.                                                                                          GF 202. This resin is able to produce bio-
            The larvae dry weight is about 42%
       protein and 35% oils. The natural oil          Solid catalyst                                   diesel having qualities compliant with the
                                                                                                       European EN 14214 standard without using
       derived from black soldier fly larvae com-
       prises the following constituents: 1.6%        reduces cost of                                  a costly water-wash or single-use filtration
                                                                                                       aids. The company press release says, “The
       capric acid, 53.2% lauric acid, 6.6% myris-
       tic acid, 8.4% palmitic acid, 1.7% stearic
                                                      algae-to-biofuel                                 product significantly simplifies produc-
                                                                                                       tion and is extremely efficient in remov-
       acid, 12.4% oleic acid, and 8.8% linoleic
       acid.
                                                      conversion                                       ing impurities . . . such as glycerine, soap,
                                                                                                       and salts.”
                                                      At the American Chemical Society spring               Sales Manager Mark Seah said,

       Algae producer
                                                      meeting, Ben Wen, vice president of United       “Lewatit GF 202 . . . is regenerable during
                                                      Environment and Energy LLC, Horseheads,          up to an average of five years, easy to use,

       claims dramatic                                New York, USA presented information on
                                                      a “continuously flowing fixed-bed” process
                                                                                                       and requires little maintenance.” The resin
                                                                                                       cost per liter of processed biodiesel is
       cost reduction                                 that would make the production of biodiesel
                                                      from algae oil at least 40% cheaper than the
                                                                                                       ~€0.02.


                                                                                                       Curbside recycling
       Ross Youngs, chief executive officer of Uni-   batch method currently in use. Cost savings
       venture, parent corporation of AlgaeVen-       are achieved through the need for a much
       ture Systems (Marysville, Ohio, USA),
       claimed in late March that AlgaeVenture
                                                      smaller factory, the absence of water dis-
                                                      posal costs, and the increased speed of the      of used cooking oil
       has a technology that lowers the cost of       process. The solid catalyst continuous flow      Residents of Marion County, Oregon, USA,
       removing, harvesting, and dewatering algae     method can be adapted to mobile units.           can recycle used cooking oil (not lard or
       from the medium in which they are grown        United Environment and Energy is now             grease), secured in a clear container with
       “by more than 99%—from $875 per ton to         conducting a pilot program with a produc-        a tight lid, by leaving it in the recycling
       $1.92 per ton.” According to Youngs, the       tion capacity of nearly 1 million gallons (4     bins that they place curbside for home trash
       process by which AlgaeVenture dewaters         million liters) of algae biodiesel per year.     pickups. The SeQuential-Pacific Bi
								
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