I D
× COMMENTARYCOVER STORYIN THE NEWSNEWSFRONTSCHEMENTATOR + Show More
Chementator Briefs
Ultrathin membrane Researchers led by professors Hideto Matsuyama and Tomohisa…
BUSINESS NEWSTECHNICAL & PRACTICALFEATURE REPORTFACTS AT YOUR FINGERTIPSTECHNOLOGY PROFILEEQUIPMENT & SERVICESFOCUS
Focus on Sensors
Wireless transmitters save on level sensor installation Reduce the cost…
NEW PRODUCTS + Show More SHOW PREVIEWS

Comment PDF

Catalytic process cuts the cost of biodiesel fuel

By Gerald Parkinson |

Biodiesel fuel is being produced for under $2/gal from product wastes in a process commercialized by Ever Cat Fuels (Anoka, Minn.; www.evercatfuels.com). This is comparable to the cost of diesel fuel obtained from petroleum, says Arlin Gyberg, a co-inventor of the process and a chemistry professor at Augsburg College, Minneapolis. Ever Cat is a new subsidiary of SarTec Corp. (Anoka, Minn.; www.sartec.com), which scaled up the technology. The plant uses a continuous process to produce 4-million gal/yr of fuel from two 6-ft by 6-in.-dia reactors. The reaction takes about 6 s, versus about 6 h for a conventional batch process, says Gyberg. The feed is a mixture of waste corn oil from bioethanol plants and waste cooking oil, although about 40 feedstocks (animal fats and plant oils) have been successfully pilot-tested, he says. Preheated feed is introduced into the top of a catalyst-packed column and converted to biodiesel fuel under supercritical conditions at about 350°C and 200 psi. Conversion is practically 100%, says Gyberg, since the process performs transesterification of triglycerides and esterification of free fatty acids. He notes that conventional processes do transesterification, but convert fatty acids to soap. Glycerol,…
Related Content
Chementator Briefs
Ultrathin membrane Researchers led by professors Hideto Matsuyama and Tomohisa Yoshioka at Kobe University’s Research Center for Membrane and Film…

Chemical Engineering publishes FREE eletters that bring our original content to our readers in an easily accessible email format about once a week.
Subscribe Now
Improving chemical production processes with IIoT and AI technologies
New filtration technology for highly corrosive media
PTA production: Lowering OPEX without compromising on quality
Sure that zero means zero in your zero-liquid discharge (ZLD) process?
How separation processes profit from Industrial Internet of Things (IIoT) solutions

View More