Navigation Links
Stanford engineers use rocket science to make wastewater treatment sustainable
Date:7/26/2010

Within the sludge of wastewater treatment plants is an invisible world teeming with microbes. Here, diverse species of bacteria convert solid and liquid wastes into gases, some of which contribute to global warming.

Now two Stanford University engineers are developing a new sewage treatment process that would actually increase the production of two greenhouse gases nitrous oxide (aka, "laughing gas") and methane and use the gases to power the treatment plant.

"Normally, we want to discourage these gases from forming," said Craig Criddle, a professor of civil and environmental engineering and senior fellow at the Woods Institute for the Environment at Stanford. "But by encouraging the formation of nitrous oxide, we can remove harmful nitrogen from the water and simultaneously increase methane production for use as fuel."

Criddle, an expert in wastewater management, has joined forces with Brian Cantwell, a professor of aeronautics and astronautics, who has spent the last five years designing rocket thrusters that run on nitrous oxide.

With support from a Woods Institute Environmental Venture Projects grant, Cantwell and Criddle are applying that rocket technology to sewage treatment, with the goal of making the process energy neutral and emissions free.

"We want to reduce the cost of wastewater treatment, increase energy generation and eliminate greenhouse gas emissions," Cantwell said.

"For too long we've thought of treatment plants as places where we remove organic matter and waste nitrogen," Criddle added. "We need to view these wastes as resources, not simply something to dispose of."

Microbial zoo

For Criddle and Cantwell, the first step in building a green treatment plant is raising the right kind of bacteria. "We're really managing a zoo," Criddle said. "To get the right microbes, we need to encourage the growth of bacteria that produce nitrous oxide gas."

One way
'/>"/>

Contact: Mark Shwartz
mshwartz@stanford.edu
650-723-9296
Stanford University
Source:Eurekalert  

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:
*Name:
*Comment:
*Email:
Related Image:
Stanford engineers use rocket science to make wastewater treatment sustainable
(Date:11/11/2014)... , Nov. 11, 2014  Forensicon, Inc., a ... is pleased to announce the promotion of Yaniv ... of Digital Forensics. In Schiff,s new role as Director, ... team of digital forensics examiners and provide leadership within ... Photo - http://photos.prnewswire.com/prnh/20141110/157719 Schiff ...
(Date:11/6/2014)... paper from a team of Florida State University biologists ... could adapt to and survive environmental swings such as ... latest issue of the journal The Plant Cell ... DNA and proteins) is organized in a cell and ... are turned on and others are turned off. , ...
(Date:11/5/2014)... RENO – Kelly Redmond has dedicated his career ... knowledge to a general audience. , As deputy ... Climate Center at Nevada,s Desert Research Institute, Redmond ... the management, application and dissemination of climate data ... Annual Fall Meeting in San Francisco on December ...
Breaking Biology News(10 mins):Yaniv Schiff Promoted to Director of Digital Forensics at Forensicon, Inc. 2Maize analysis yields whole new world of genetic science 2Nevada climatologist to be honored at AGU Fall Meeting for lifetime of public outreach 2
... Three-day-old broccoli sprouts, a widely available human food, suppressed ... a report in Cancer Prevention Research , a journal ... pylori infections are one of the most common bacterial ... The cancer protective effects of sulforaphane, a phytochemical ...
... As the U.S. Southwest grew warmer from 18,700 to ... the Mojave Desert, robbing packrats of their favorite food. Now, ... genes that let the rodents eat toxic creosote bushes that ... out," says biology Professor Denise Dearing, senior author of the ...
... for Kids" event on April 18 at Pembroke ... Va., April 2 Turner Network Sales (TNS), ... Inc. (TBS, Inc.), and truTV, are partnering with Cox Communications ... "Digital Fingerprinting for Kids" event , a service designed to ...
Cached Biology News:Poison: It's what's for dinner 2Poison: It's what's for dinner 3Poison: It's what's for dinner 4Poison: It's what's for dinner 5truTV and Cox Offer Free Digital Fingerprinting to Help Prevent Crimes Against Children 2truTV and Cox Offer Free Digital Fingerprinting to Help Prevent Crimes Against Children 3
(Date:11/26/2014)... MADRID , Nov. 26, 2014 ... presented results from a survey of European physicians ... Meeting on Innovation and Biological Therapies" at the ... The event, hosted by EuropaBio and the Spanish ... Ministry of Health, physicians from Spanish oncology and ...
(Date:11/26/2014)... November 26, 2014 The ETC ... award-winning technology innovation centers, announced today that applications ... on December 1st. “Do you have a big ... I want to know about it. AccelerateBaltimore helps ... to product in just 13 weeks.” Interested ...
(Date:11/26/2014)... November 25, 2014 Whitehouse Laboratories ... joined the Morris County (New Jersey) Chamber of ... a leading business organization in the North Jersey ... further engage some key clients in the pharmaceutical ... the geographic area. Membership enables Whitehouse Laboratories a ...
(Date:11/26/2014)... November 25, 2014 Silicon Valley Electronic ... with RPM Alliance , provider of clinical research ... With the latest addition to its CRO Partnership Program, ... EDC system to India. , “We have found ... and customizable EDC platform which is both user friendly ...
Breaking Biology Technology:ASBM Presents European Physicians Survey at Spanish Ministry of Health 2AccelerateBaltimore Applications to Close in 6 Days 2AccelerateBaltimore Applications to Close in 6 Days 3Whitehouse Laboratories Joins Morris County Chamber of Commerce 2Whitehouse Laboratories Joins Morris County Chamber of Commerce 3RPM Alliance Joins Clinovo’s CRO Partnership Program, Further Strengthening Its Presence in Southern California and India 2
... president and CEO Michael J. Collins delivered the commencement address ... Department, which was held on May 18, 2012. Collins received ... been a member of the Advisory Board for the Chemistry ... (Logo: http://photos.prnewswire.com/prnh/20090622/CL35336LOGO-b ) "I am ...
... one in four adults suffering from a diagnosable ... high case loads, the value of independent living ... effective mental health services. ILCs are generally thought ... physical disabilities, but across the country, directors and ...
... 24, 2012  Novocure™, a commercial stage private oncology company, ... of excellence will join the seven existing clinical centers ... patients with recurrent GBM. These fifteen clinical centers are ... GBM is both the deadliest and most ...
Cached Biology Technology:CEM President and CEO Delivers Commencement Address at the 2012 University of Texas at Austin Chemistry and Biochemistry Department Graduation 2Peers Underscored As An Effective Counseling Tool 2Novocure™ Certifies Eight Additional Clinical Centers of Excellence to Treat Most Common Brain Tumor with Tumor Treating Fields (TTFields) Therapy 2Novocure™ Certifies Eight Additional Clinical Centers of Excellence to Treat Most Common Brain Tumor with Tumor Treating Fields (TTFields) Therapy 3Novocure™ Certifies Eight Additional Clinical Centers of Excellence to Treat Most Common Brain Tumor with Tumor Treating Fields (TTFields) Therapy 4
... bovine, porcine, rat) ... antagonist. This carboxy-terminal VIP fragment ... more potent than any previously ... Storage: Desiccate ...
Protein 3D structure prediction, via threading. Easy to use....
L1 Protein of Human Papilloma Virus Purified Anti-Viral-transformed cells clone CAMVIR-1, Isotype Mouse IgG 2a , 0.1 mg Consult technical datasheet for details....
ANTI 5-HYDROXYTRYPTOPHAN CONJ....
Biology Products: