Navigation Links
Stanford engineers use rocket science to make wastewater treatment sustainable

o almost 3,000 degrees Fahrenheit, making it red hot, and it shoots out of the engine at almost 5,000 feet per second, producing enough thrust to propel a rocket."

In 2008, Yaniv Scherson, one of Cantwell's graduate students, was looking for a suitable topic for a doctoral thesis that would incorporate the thruster research.

"We wondered whether nitrous oxide could be exploited as an emissions-free source of energy," Cantwell said. "Since the product of the decomposition reaction is simply oxygen-enriched air, energy is generated with zero production of greenhouse gas. But first we needed to find a cheap, plentiful source of nitrous oxide."

Scherson eventually turned to Criddle, who had spent years studying microbial communities in wastewater treatment plants. Criddle explained that wastewater sludge contains bacteria that naturally convert nitrogen wastes into nitrous oxide, providing Scherson a cheap source of the gas.

Soon, Scherson, Criddle and Cantwell joined forces in a unique experiment bridging two very different fields space propulsion and environmental biotechnology. "It took a couple of rocket scientists to make this happen," Criddle said.

The result was a novel design with the potential for treating the world's wastewater: First, reduce oxygen levels at the treatment plant to encourage the production of nitrous oxide and methane gas. Then use the extra methane to power the plant and a small rocket thruster to break down the nitrous oxide into clean, hot air. "A single thruster about the size of a basketball could potentially consume every ounce of nitrous oxide produced by a typical treatment plant," Cantwell said.

New generation

Most treatment plants in the United States are using technology developed in the 1970s and are in dire need of an overhaul, according to Criddle. "In the U.S., we haven't invested much in wastewater treatment in recent decades," he said.

Cantwell e

Contact: Mark Shwartz
Stanford University

Page: 1 2 3 4 5

Related biology news :

1. Heat waves could be commonplace in the US by 2039, Stanford study finds
2. Same types of cell respond differently to stimulus, Stanford study shows
3. Scientific expertise lacking among doubters of climate change, says Stanford-led analysis
4. High-yield agriculture slows pace of global warming, say Stanford researchers
5. Large majority of Americans still believe in global warming, Stanford poll finds
6. Stanford pollster to discuss latest survey on global warming
7. Stanford scientists track polluted groundwater to the sea
8. Opinion polls underestimate Americans concern about the environment, Stanford study finds
9. New Stanford-led program aims to produce insights into brain injury, recovery
10. Aboriginal hunting and burning increase Australias desert biodiversity, Stanford researchers find
11. New Stanford tool enables wider analyses of genome deep sequencing
Post Your Comments:
Related Image:
Stanford engineers use rocket science to make wastewater treatment sustainable
(Date:11/18/2014)... The Parenteral Drug Association (PDA) today confirmed that ... and at least seven more will participate in the upcoming ... Hotel in Washington D.C. , Dec. 2-4. ... support from the regulatory agencies in the United ... our effort to help advance the use of metrics in ...
(Date:11/12/2014)... , Nov. 12, 2014 Crossmatch™, a leading ... its U.are.U ® fingerprint readers have been deployed ... Central Mexico . The bakery chain ... eliminate payroll issues caused by employees clocking in for ... U.are.U fingerprint readers, Montparnasse relied on paper timecards and ...
(Date:11/7/2014)... associate professor, biomedical engineering, in the Grove School ... York, have identified a molecule that could lead ... aggressive forms of breast cancer. , Triple negative ... owing to aggressive proliferation and metastasis and a ... team, discovered the overexpression of intercellular adhesion molecule-1 ...
Breaking Biology News(10 mins):FDA's Janet Woodcock, EMA's Emer Cooke Headline PDA Quality Metrics Conference 2Montparnasse Pasteleria Achieves Time and Attendance Transparency with Crossmatch U.are.U Fingerprint Readers 2
... Hospital (MGH) Cancer Center have identified a subgroup of ... drug cisplatin, rarely used in the treatment of breast ... of this sensitivity, which may help identify patients most ... will be tested in a clinical trial anticipated to ...
... delivered into the tumors of stage 4 lung cancer ... phase I clinical trial at The University of Texas ... found to be active in the metastatic non-small cell ... first-in-human study and we've seen an exciting proof of ...
... cut back on the amount of salt in their diet could ... to a report on today. , Researchers in ... risk of death from cardiovascular disease by up to a fifth. ... diseases linked to the heart or arteries, for example a stroke ...
Cached Biology News:Molecular signature may identify cisplatin-sensitive breast tumors 2Molecular signature may identify cisplatin-sensitive breast tumors 3Intravenous nanoparticle gene therapy shows activity in stage IV lung cancer 2Eating less salt could prevent cardiovascular disease 2
(Date:11/27/2014)... , Nov. 27, 2014 ... the "Global Palmitic Acid Industry Report 2014" ... The Global Palmitic Acid Industry ... the current state of the global palmitic acid industry. ... the industry including definitions, classifications, applications and industry chain ...
(Date:11/27/2014)... USA (PRWEB) November 26, 2014 Biomedical ... accuracy, additive systems to enable 3D manufacture at the ... road conditions are among finalists in nine categories for ... The awards are sponsored by SPIE, the international ... Media . , Winners will be announced by industry ...
(Date:11/26/2014)... The North America Thermal Protective Clothing Market ... analysis of the growth trends and revenue forecasts. ... by 2018, growing at a CAGR of 7.1% ... TOC of the North America Thermal Protective Clothing ... in-depth analysis and industry segmentation supported by various ...
(Date:11/26/2014)... , Nov. 26, 2014 The ... results from a survey of European physicians at ... on Innovation and Biological Therapies" at the Spanish ... event, hosted by EuropaBio and the Spanish Bioindustry ... of Health, physicians from Spanish oncology and rheumatology ...
Breaking Biology Technology:Global Palmitic Acid Industry Report 2014 2Finalists Named for 2015 Prism Awards for Photonics Innovation 2Finalists Named for 2015 Prism Awards for Photonics Innovation 3Finalists Named for 2015 Prism Awards for Photonics Innovation 4Finalists Named for 2015 Prism Awards for Photonics Innovation 5The North America Thermal Protective Clothing Market is estimated to grow up to $616.3 million by 2018 - Report by MicroMarket Monitor 2The North America Thermal Protective Clothing Market is estimated to grow up to $616.3 million by 2018 - Report by MicroMarket Monitor 3ASBM Presents European Physicians Survey at Spanish Ministry of Health 2
... May 11, 2009 Arena Pharmaceuticals, Inc. (Nasdaq: ... ended March 31, 2009. Arena reported a net loss allocable ... $50.6 million, or $0.68 per share, compared to a net ... 2008 of $55.0 million, or $0.75 per share. "Receiving the ...
... Inc. (Nasdaq: IDIX ) announced today that Idenix ... Bank 2009 Health Care Conference on Monday, May 18, 2009 ... and archived webcast of the company presentation can be accessed ... . Please log in approximately ...
... 18, 2009 SAN DIEGO, May 11 Neurocrine Biosciences, ... Kevin Gorman, President and Chief Executive Officer of Neurocrine ... Annual Health Care Conference in Boston. The live presentation ... Eastern Time (ET)/2:05 p.m. Pacific Time (PT). The ...
Cached Biology Technology:Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 2Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 3Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 4Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 5Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 6Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 7Arena Pharmaceuticals Announces First Quarter 2009 Financial Results 8Neurocrine Biosciences to Present at the Deutsche Bank 34th Annual Health Care Conference 2
Detects activated caspases in living cells. Simple/sensitive/straight-forward procedure takes only 30 minutes. Results can be analyzed by flow cytometry/fluorescence microscopy/fluorescence plate rea...
Apoptosis Detection Systems and Reagents...
Apoptosis Detection Systems and Reagents...
... rodent oral gavage feature soft rubber tips ... trauma. Plus they are disposable, to eliminate ... of cross-contamination. Diameter: ... Length: ...
Biology Products: