Navigation Links
Green diesel: New process makes liquid transportation fuel from plants

University of Wisconsin-Madison College of Engineering researchers have discovered a new way to make a diesel-like liquid fuel from carbohydrates commonly found in plants.

Reporting in the June 3 issue of the Journal Science, Steenbock Professor James Dumesic and colleagues detail a four-phase catalytic reactor in which corn and other biomass-derived carbohydrates can be converted to sulfur-free liquid alkanes resulting in an ideal additive for diesel transportation fuel. Co-researchers include chemical and biological engineering graduate students George Huber, Juben Chheda and Chris Barrett.

"It's a very efficient process," says Huber. "The fuel produced contains 90 percent of the energy found in the carbohydrate and hydrogen feed. If you look at a carbohydrate source such as corn, our new process has the potential to create twice the energy as is created in using corn to make ethanol."

About 67 percent of the energy required to make ethanol is consumed in fermenting and distilling corn. As a result, ethanol production creates 1.1 units of energy for every unit of energy consumed. In the UW-Madison process, the desired alkanes spontaneously separate from water. No additional heating or distillation is required. The result is the creation of 2.2 units of energy for every unit of energy consumed in energy production.

"The fuel we're making stores a considerable amount of hydrogen," says Dumesic. "Each molecule of hydrogen is used to convert each carbon atom in the carbohydrate reactant to an alkane. It's a very high yield. We don't lose a lot of carbon. The carbon acts as an effective energy carrier for transportation vehicles. It's not unlike the way our own bodies use carbohydrates to store energy."

About 75 percent of the dry weight of herbaceous and woody biomass is comprised of carbohydrates. Because the UW-Madison process works with a range of carbohydrates, a wide range of plants, and more parts of the plant, can be consu med to make fuel.

"The current delivered cost of biomass is comparable or even cheaper than petroleum-based feedstock on an energy basis," Huber says.

"This is one step in figuring out how to efficiently use our biomass resources."


'"/>

Source:University of Wisconsin-Madison


Related biology news :

1. Green catalyst destroys pesticides and munitions toxins, finds Carnegie Mellon University
2. FDA: Highly Unlikely Green Tea Lowers Cancer Risk
3. Microbes under Greenland Ice may be preview of what scientists find under Mars surface
4. Green tea and the Asian Paradox
5. GreeneChip -- New diagnostic tool that rapidly and accurately identifies multiple pathogens
6. Virologists make major step towards understanding the process of HIV infection
7. Researchers pioneer new gene therapy technique using natural repair process
8. Studies reveal how plague disables immune system, and how to exploit the process to make a vaccine
9. Genomic sequences processed in minutes, rather than weeks
10. Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations
11. Carnegie Mellon University research reveals how cells process large genes
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:3/29/2017)... the health IT company that operates the largest health ... today announced a Series B investment from BlueCross BlueShield ... investment and acquisition accelerates higi,s strategy to create the ... activities through the collection and workflow integration of ambient ... secures data today on behalf of over 36 million ...
(Date:3/27/2017)... 2017  Catholic Health Services (CHS) has been ... (HIMSS) Analytics for achieving Stage 6 on the ... In addition, CHS previously earned a place in ... electronic medical record (EMR). "HIMSS Analytics ... EMR usage in an outpatient setting.  This recognition ...
(Date:3/24/2017)... Research and Markets has announced the addition of the "Global ... to 2025" report to their offering. ... The Global Biometric Vehicle Access System Market ... the next decade to reach approximately $1,580 million by 2025. ... for all the given segments on global as well as regional ...
Breaking Biology News(10 mins):
(Date:8/15/2017)... , ... August 15, 2017 , ... ... family of 6” modular downlights designed to stay tightly sealed and perform efficiently ... where damp and wet location listings just aren't enough, such as: hospitals; behavioral ...
(Date:8/14/2017)... , ... August 14, 2017 , ... ... and performing antibodies. Key researchers in the antibody community have recently come together ... consistency for antibodies in the laboratory. , The team at ...
(Date:8/11/2017)... ... , ... A staple in the community for more than 60 years, Bill ... including a new digital marketing strategy and updated logo. , As part of the ... with the South Texas Blood & Tissue Center for the month of August. ...
(Date:8/10/2017)... , ... August 09, 2017 , ... ... classroom next week-- as students. From August 14th through the 16th, the University ... which debuted in the summer of 2016, provides Philadelphia-based middle school educators an ...
Breaking Biology Technology: