18 September 2014
Gevo’s proprietary integrated fermentation technology platform (GIFT®),
which has been designed to
produce low-cost renewable isobutanol,
consists of two elements:
* A proprietary yeast biocatalyst,
which converts sugars derived
from multiple renewable feedstocks into isobutanol, and
* A proprietary separation unit
which is designed to bolt onto existing ethanol facilities.
This production technology is similar to ethanol production,
except that Gevo replaces
the ethanol-producing biocatalyst
with its isobutanol-producing biocatalyst and
then adds a separation unit.
Future-generation biocatalyst: cellulosic isobutanol
Through an exclusive license with Cargill,
one of the world’s largest agricultural processors,
Gevo is developing a yeast biocatalyst that
is specifically designed to efficiently produce isobutanol
from the sugars derived from cellulosic biomass.
Cellulosic feedstocks include
* dedicated energy crops (e.g., switchgrass), and
* residues from forestry and agriculture
(e.g., waste wood, pulp corn cobs and stalks and
sugarcane bagasse).
READ MORE ISOBUTANOL FOR FUEL BLENDING BROCHURE
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ENGLEWOOD, Colo.,(GLOBE NEWSWIRE) --
today reported an update on the progress of
the Side-by-Side operational mode (SBS) of its plant
in Luverne, MN, USA.
In the beginning of June, Gevo commenced
the co-production of isobutanol and ethanol,
* with one fermenter dedicated to isobutanol production and
* three fermenters dedicated to ethanol production.
With the completion of the last phase of capital for SBS,
Gevo has begun to produce and ship isobutanol in railcar volumes.
Dr. Patrick Gruber,
Gevo's CEO
"We are on track with the SBS. We completed
the installation of our isobutanol distillation column and
it operates well.
We are continuing to boost isobutanol production levels
while simultaneously driving cost out of our production processes.
We are pleased to be shipping
both ethanol and isobutanol in railcar quantities.
This isobutanol is destined for
the solvents and specialty gasoline blendstock markets,
as well as to supply our demo plant
in Silsbee, TX, to convert our isobutanol
into hydrocarbons such as bio-jet fuel and isooctane,"
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