Navigation Links
USDA patents method to reduce ammonia emissions
Date:11/1/2012

Capturing and recycling ammonia from livestock waste is possible using a process developed by U.S. Department of Agriculture (USDA) researchers. This invention could help streamline on-farm nitrogen management by allowing farmers to reduce potentially harmful ammonia emissions and concentrate nitrogen in a liquid product to sell as fertilizer.

The work was conducted by Agricultural Research Service (ARS) scientists Matias Vanotti and Ariel Szogi at the agency's Coastal Plains Soil, Water and Plant Research Center in Florence, S.C. ARS is USDA's chief intramural scientific research agency, and this research supports the USDA priorities of responding to climate change and promoting international food security.

The system uses gas-permeable membranes that are similar to materials already used in waterproof outdoor gear and biomedical devices. Using these materials, the scientists recorded an average removal rate from 45 to 153 milligrams of ammonia per liter per day when manure ammonia concentrations ranged from 138 to 302 milligrams of ammonia per liter.

When manure acidity decreased, ammonia recovery increased. For instance, the scientists were able to recover around 1.2 percent of the total ammonia emissions per hour from manure at pH 8.3. But the recovery rate increased 10-fold to 13 percent per hour for manure at pH 10.0.

In a follow-up study, Vanotti and Szogi immersed the membrane module into liquid manure that had 1,290 milligrams of ammonia per liter. After nine days, the total ammonia concentration decreased about 50 percent to 663 milligrams per liter and acidity increased from pH 8.1 to 7.0. This meant that the gaseous or free ammonia in the liquidthe portion of the total ammonia linked to ammonia emissions--decreased 95 percent from 114.2 to 5.4 milligrams per liter.

The scientists used the same process in 10 consecutive batches of raw swine manure and ended up recovering concentrated nitrogen in a cle
'/>"/>

Contact: Ann Perry
ann.perry@ars.usda.gov
301-504-1628
United States Department of Agriculture - Research, Education and Economics
Source:Eurekalert

Page: 1 2

Related biology news :

1. Aware Announces Closing Of Sale Of Selected Patents
2. Aware Announces Sale of Selected Patents
3. Improved Authentication and Confidentiality Protection. ICAP Patent Brokerage Announces for Auction Important Patents in Data Encryption and Document Security
4. New NIST screening method identifies 1,200 candidate refrigerants to combat global warming
5. Chemists develop reversible method of tagging proteins
6. Researchers develop rapid method to measure carbon footprints
7. Chilling methods could change meat tenderness
8. New DNA-method tracks fish and whales in seawater
9. New method: Research team analyzes stress biology in babies
10. Researchers develop method to grow artificial tissues with embedded nanoscale sensors
11. University of Minnesota engineering researchers discover new non-invasive method for diagnosing epilepsy
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/19/2014)... Calif. , Dec. 18, 2014  23andMe, Inc., ... of a study that pinpoints fine-scale differences in genetic ... States . Since immigrants first arrived ... United States has served as a meeting ... how American history and the ongoing mixing of peoples ...
(Date:12/17/2014)... 15, 2014 Research and Markets ... the "Samsung Galaxy S5 - Home Button ... their offering. http://photos.prnewswire.com/prnh/20130307/600769 ... sensing technology than the iPhone 5S, Samsung introduces ... its product. The Galaxy S5 home ...
(Date:12/17/2014)...  HITLAB SM announced today its completion ... confirm its adherence to current U.S. Food and ... to conduct regulated smart device and smart phone ... safety and research quality. "HITLAB is ... delivery with innovative technology," said Laura Pugliese ...
Breaking Biology News(10 mins):23andMe Study Sketches Genetic Portrait of the United States 223andMe Study Sketches Genetic Portrait of the United States 323andMe Study Sketches Genetic Portrait of the United States 4Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor Technology Analysis 2HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2
... infectious question about eating at restaurants: How clean are ... found that even when they washed dishes in cooler-than-recommended ... levels accepted in the Food and Drug Administration's Food ... milk—can be safe havens for bacteria when dried onto ...
... What influence does the variation in estrogen level ... Using functional Magnetic Resonance Imaging, Jean-Claude Dreher, a ... 1), in collaboration with an American team from ... directed by Karen Berman, has identified, for the ...
... patients who received an new intravenous adult stem cell ... such as cardiac arrhythmias, and had significant improvements in ... received a placebo, according to six-month Phase I study ... in Intervention: i2Summit in New Orleans on March 25. ...
Cached Biology News:Manual dishwashing study digs up dirt on dish cleanliness 2Manual dishwashing study digs up dirt on dish cleanliness 3The influence of the menstrual cycle on the female brain 2The influence of the menstrual cycle on the female brain 3The influence of the menstrual cycle on the female brain 4Stem cell therapy shows promise in regenerating damaged muscle in heart attack patients 2
(Date:12/24/2014)... According to Ross Selinger, President of ... Global, the national office market continues to be strong, driven ... evidenced by the third quarter’s surprising 3.9% GDP, unemployment decreasing ... costs have held inflation down and the Fed is keeping ... market remaining soft. , This solid economic news is having ...
(Date:12/24/2014)... 23, 2014 Nashville Fertility Center announced ... treasurer for the American Society for Reproductive Medicine (ASRM), ... research in reproductive medicine. In his new role ... the executive board and will have a voice in ... has actively supported ASRM since 1984 when he joined ...
(Date:12/24/2014)... San Diego, CA (PRWEB) December 23, 2014 ... Contest where their Twitter followers can submit their ... for themselves and their lab mates. , For those ... beloved lab mates, the Pipette.com Holiday in the Lab ... encourages Pipette.com Twitter followers to send pictures ...
(Date:12/24/2014)... , Dec. 23, 2014 Vermillion, ... focused on gynecologic disease, announced today that investors ... , Birchview Fund LLC and several Vermillion directors ... unregistered shares of Vermillion,s common stock and warrants ... in a private placement.  Under ...
Breaking Biology Technology:ITRA Global Reports Long Island Is Out of Sync With The National Office Market 2ITRA Global Reports Long Island Is Out of Sync With The National Office Market 3Nashville Fertility Center Announces Dr. George A. Hill Selected to Serve as ASRM Treasurer for 2014-15 2Nashville Fertility Center Announces Dr. George A. Hill Selected to Serve as ASRM Treasurer for 2014-15 3Major Pipette Distributor Pipette.com Announces their Holiday in the Lab Contest 2Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 2Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 3Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 4Vermillion Announces Equity Financing of up to $18.9 Million; Suspends ATM Program 5
... 25 Inverness Medical,Innovations, Inc. (Amex: IMA ... products for the consumer and professional markets, announced,today ... Global Healthcare,Unplugged Conference being held April 30 - ... Florida. Ron Zwanziger, Chief Executive Officer, will,attend. His ...
... 25 Abbott,s broad,portfolio of businesses and expanding ... product pipeline provides a,foundation for continued growth as ... Chief Executive Officer Miles D.,White told shareholders today ... an outstanding year for Abbott across all of ...
... -- China Yingxia,International, Inc. (OTC Bulletin Board: ... provider in the nutraceutical industry engaged in ... food,products, supplements, and personal care products in ... that it has formally completed the,acquisition of ...
Cached Biology Technology:Abbott Annual Meeting Highlights Outstanding 2007 Results, International Growth and Near-Term Pipeline 2Abbott Annual Meeting Highlights Outstanding 2007 Results, International Growth and Near-Term Pipeline 3Abbott Annual Meeting Highlights Outstanding 2007 Results, International Growth and Near-Term Pipeline 4China Yingxia International, Inc. Acquires Grocery Chain and Online Distribution Network 2China Yingxia International, Inc. Acquires Grocery Chain and Online Distribution Network 3
Request Info...
Ultra-sensitive, non-radioactive measurement of COX-I and COX-II activity...
Recombinant Ovine (Sheep) Growth Hormone, Ultra Pure...
Mouse Granzyme D MAb (Clone 190617)...
Biology Products: