Navigation Links
Biogas production is all in the mixing
Date:4/16/2008

Engineers at Washington University in St. Louis, using an impressive array of imaging and tracking technologies, have determined the importance of mixing in anaerobic digesters, reactors that use bacteria to breakdown organic matter in the absence of oxygen.

They are studying ways to take the smell of money, as farmers long have termed manure, and produce biogas with it. The major end product of anaerobic digestion is methane, which can be converted to methanol or, when partially oxidized, to synthesis gas, a mix of hydrogen and carbon monoxide.

The goal is two-fold; one is to have farms that grow their own energy by using readily available farm waste to power the farm, the other is to eliminate the environmental threat of methane, a greenhouse gas considered 22 times worse than carbon dioxide.

Muthana al-Dahhan, Ph.D., Washington University professor of energy, environmental and chemical engineering, and his doctoral students Khursheed Karim, Rajnesh Varma, Mehuld Vesvikar and Rebecca Hoffman have determined that mixing is the most crucial step in the success of large, commercial anaerobic digesters that can react 1,500 gallons of manure. In addition to graduate students, numerous undergraduates have contributed to the research.

Al-Dahhan received a $2.2 million grant from the U.S. Department of Energy in 2001 to research anaerobic digestion. Since 2004, he and various collaborators have published no fewer than 16 papers on their anaerobic digester studies, the most recent a paper in Biotechnology and Bioengineering 100 (1): 38-48, 2008.

Each year livestock operations produce 1.8 billion tons of cattle manure, al-Dahhan said. If it sits in fields, the methane from the manure is released into the atmosphere, or it can cause ground water contamination, dust, ammonia leaching, not to mention bad odors. Treating manure by anaerobic digestion gets rid of the environmental threats and produces bioenergy at the same
'/>"/>

Contact: Muthanna Al-Dahhan
muthanna@wustl.edu
314-935-7187
Washington University in St. Louis
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless
2. The 5 Ws of corn production
3. Low oxygen in coastal waters impairs fish reproduction
4. UCI and CODA Genomics collaborate to re-engineer yeast for biofuel production
5. Curbing C. difficiles toxin production
6. Neuronal conduction of excitation without action potentials based on ceramide production
7. Simulating kernel production influences maize model accuracy
8. Botched production of insulin molecule may lead to diabetes
9. Salmonid hatcheries cause stunning loss of reproduction
10. Increase in ethanol production from corn could significantly impact
11. New evidence for female control in reproduction
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:1/22/2015)... , Europe,s most ... Patent Office to present a video retrospective of the most exciting ... Christofer Toumazou and Sophie Wilson   ... the Award   Starting on 22 January 2015 on   ...
(Date:1/22/2015)... Jan. 22, 2015 Infinisource has launched its new NXG ... model. The G2 sets a higher standard for collecting attendance ... management solution. With plug-and-play installation, touch screen interface and seamless ... a robust time collection solution for the small to mid-size ...
(Date:12/22/2014)... 22, 2014 Research and Markets ( ... "The Global Watermarking and Fingerprinting Markets" ... http://photos.prnewswire.com/prnh/20130307/600769 This insight provides ... and fingerprinting markets. Watermarking aims to control and ...
Breaking Biology News(10 mins):Ten Years of the European Inventor Award: A Retrospective Look at the Inventors and Ideas That Have Changed Our Lives 2Ten Years of the European Inventor Award: A Retrospective Look at the Inventors and Ideas That Have Changed Our Lives 3Infinisource's NXG series sets new time clock standard 2The Global Watermarking and Fingerprinting Markets 2
... 2013 -- American Associates, Ben-Gurion University of the Negev (AABGU) ... late Dr. Jordan Baruch, to fund stem cell research at ... The Jordan Baruch Stem Cell Research Fund was dedicated at ... Baruch and 20 members of her extended family. "Jordan ...
... new study has found that tamoxifen, a well-known breast ... mouse model of Duchenne muscular dystrophy (DMD). At present, ... the symptoms in boys with DMD, a debilitating muscular ... and cardiac impairments, paralysis, and premature death. This study ...
... TORONTO, Jan 14, 2013Taking a vitamin D supplement and drinking ... how much vitamin D is in a child,s body, new ... than even skin colour and exposure to the sun, according ... Michael,s Hospital. "Early childhood is a critical stage in ...
Cached Biology News:Ben-Gurion U. establishes stem cell research fund in honor of inventor Jordan Baruch 2Tamoxifen ameliorates symptoms of Duchenne muscular dystrophy 2Supplements and cow's milk play biggest roles in determining vitamin D levels in children 2
(Date:1/22/2015)... 21, 2015 Cambridge Semantics, the leading provider ... announced that 2014 was a record-breaking year across the board ... the Anzo Smart Data Platform and our Smart Data solutions, ... from diverse data which led to record growth for the ...
(Date:1/22/2015)... Protocol Networks brings independent technology consulting to the ... consultants, Protocol Networks has recently announced its expansion into ... his company has attracted several clients in The Constitution ... as others. With the success of these engagements, Rogers ...
(Date:1/22/2015)... California (PRWEB) January 22, 2015 Pipette.com ... Offer to their comprehensive portfolio of Eppendorf products. ... customers to purchase a Centrifuge 5424/5424 R and receive ... of either Eppendorf Research plus or Eppendorf Reference 2 ...
(Date:1/22/2015)... 2015 Dr. Greg Leyer of UAS Labs ... Natural Supplements Pre-Conference seminar on probiotics in San Diego, CA. ... continuing education conference for health care professionals. This year’s pre-conference ... of probiotics in health. Dr. Leyer spoke about the emerging ...
Breaking Biology Technology:Cambridge Semantics Announces Record Results for 2014 2Protocol Networks Brings Independent Technology Consulting to the Constitution State 2Eppendorf Announces Promotional Bundle Which Includes: Eppendorf Centrifuge 5424, 3-Pack of Pipettes, and Tips - Available Now at Pipette.com 2
... relying on existing telecommunications satellites, has put a second satellite ... weather information clients. , ,Last September, Loral Skynet ... and rerouted its customers to Telstar 5 and 6. The ... Birch, data services product manager for Weather Central, said his ...
... startups, biotech , ,Entrepreneurship, nanotechnology and biomedical engineering ... in Madison and Milwaukee, giving substance to what Wisconsin ... , , Tips for Entrepreneurs , ,Established entrepreneurs ... Entrepreneurs Conference , which runs June 1-2 at the ...
... MILWAUKEE Advocates of Windows and open-source software vied ... presentation of Wednesdays session of the ITEC conference in ... Labs , said that open-source software provides a technically ... companies that want a single, obvious place to turn ...
Cached Biology Technology:Doyles Entrepreneurs and Research week nears 2Doyles Entrepreneurs and Research week nears 3Linux and Windows duke it out at ITEC 2Linux and Windows duke it out at ITEC 3
...
MultiWash III w/ 12-portStandard Manifold...
... 5 ml. The same high performance ... columns for fast, reliable purification of ... 5/50 GL, XK 16/20, or other ... required.Extremely useful for exploiting either the ...
...
Biology Products: