Navigation Links
Tips from the journals of the American Society for Microbiology
Date:12/15/2011

Microbiol. 77:8568-8572.)


Bacterial Filters Reduce Stink from Big Pig Factories

Concentrated animal feeding operations (CAFOs) on industrial animal factories can stink up an entire county, due to ammonia, and a smorgasbord of volatile organic compounds (VOCs). Jeppe Lund Nielsen of Aalborg University, Aalborg, Denmark, et al. report that biofiltration with microbial filters can remove most of the butyric acid, dimethyl disulfide, and ammonia from the exhaust air, along with other smelly compounds. The research is published in the December 2011 issue of the journal Applied and Environmental Microbiology.

The investigators mounted trickle biofilters directly on livestock facilities. These filters are stuffed with porous corrugated cellulose pads that serve the bacteria as soil does plants, and irrigated with water to support the active biofilm and wash away toxic waste.

"We hypothesized that the bacteria in these air filters would be highly specialized, with individual microbes targeting specific organic compounds in the smell, which consists of 200-300 compounds in total," says Nielsen. The study's main aim was to identify microorganisms involved in breaking down butyric acid and dimethyl disulfide, as well as to measure their performance. The filters removed 99.9 percent, 94 percent, and 90 percent of the butyric acid, dimethyl disulfide, and ammonia in the exhaust air, respectively, as well as reducing carboxylic acid concentrations by more than 70 percent, organic sulfur compounds by up to 50 percent, and various aromatic compounds by anywhere from 48 to 89 percent. The main community members breaking down dimethyl disulfide were Actinobacteria, followed by the betaproteobacterial ammonia-oxidizing bacteria, and bacteroidetes, as well as some fungi.

Nielsen adds that humans can smell some of these compounds at concentrations of less than a part per billion, and thus, that "only very specializ
'/>"/>

Contact: Jim Sliwa
jsliwa@asmusa.org
202-942-9297
American Society for Microbiology
Source:Eurekalert

Page: 1 2 3 4 5 6

Related biology news :

1. Data publishing in Pensoft journals integrated with the Dryad Data Repository
2. Revolutionary changes to the Botanical Code published in 16 journals and 5 languages
3. Wiley-Blackwell announces continued growth in impact factor journals
4. New 2010 impact factors -- Cell Press journals deliver top class performances
5. Tips from the journals of the American Society for Microbiology
6. ASPB journals migrate to new Web platform
7. Selected journals in Springers Chinese Library of Science join SpringerOpen
8. Tips from the journals of the American Society for Microbiology
9. APS to adopt Creative Commons licensing, publish open access articles and journals
10. American Physical Society online journals available free in US high schools
11. Springer to publish journals of the Australasian Plant Pathology Society
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/28/2014)... the bug hunter, but the target of his work ... identified with special methods and instruments. Benjamin Hause, an ... Laboratory at Kansas State University, recently published an article ... is an important find in the United States. , ... know what it was," Hause said. "We used next-generation ...
(Date:7/28/2014)... -- Research and Markets has announced the ... 2014-2018" report to their offering. ... analyze biological data. These systems capture biological traits such ... and hand measurements from the subject and compare the ... purpose of a biometrics system is to identify and ...
(Date:7/28/2014)... RENO Norwegian explorer Roald Amundsen became the first ... 1911. More than 100 years later, an international team ... Research Institute (DRI) have proven that air pollution from ... 16 ice cores collected from widely spaced locations around ... created the most accurate and precise reconstruction to date ...
Breaking Biology News(10 mins):Researcher using next-generation sequencing to rapidly identify pathogens 2Researcher using next-generation sequencing to rapidly identify pathogens 3Biometrics Market in Latin America 2014-2018 2Industrial lead pollution beat explorers to the South Pole by 22 years and persists today 2Industrial lead pollution beat explorers to the South Pole by 22 years and persists today 3
... The 8th International Conference on Biotherapy (ICB-2010) will ... at the Universal - Los Angeles Hilton. It ... new clinical and research findings in biotherapy (living ... the 4-day conference, an internationally distinguished faculty will ...
... Scientists of the Max Delbrck Center for Molecular ... Research Center (ECRC) of MDC and Charit in ... of epithelial cells and their molecular repertoire. Dr. ... have identified a transcription factor (grainyhead-like 2, Grhl2), ...
... study that sounds a conservation alarm for the world,s vertebrate ... better, says a University of New Hampshire researcher who was ... UNH research professor of natural resources and director of the ... to "The Impact of Conservation on the Status of the ...
Cached Biology News:International Conference on Biotherapy to be held in the US 2New insights into the development of epithelial cells 2UNH's Fred Short adds seagrass data to major conservation study 2
(Date:7/29/2014)... 2014 PlaqueTec ... Erfassung biologischer Daten in Verbindung mit Herzerkrankungen ... Das LBS nimmt gleichzeitig mehrere Blutproben von ... und sucht erhöhte biologische Aktivitäten in erkrankten ... Entdeckung und Entwicklung neuer Medikamente und Therapeutika ...
(Date:7/28/2014)... July 28, 2014 “2014 ... Lubricant Industry” is a professional and in-depth ... market. The report introduces Lubricant basic information, ... chain structure and industry overview. This research ... domestic market as well as global industry ...
(Date:7/28/2014)... 2014 /PRNewswire/ -   JOLT , a leading technology ... join its growing portfolio of startups. Next-level tech and ... JOLT accelerator, and Cohort four is no ... Since its launch in July 2012, JOLT ... of financing. Now at 23 investments, JOLT,s portfolio has ...
(Date:7/28/2014)... --  Propeller Health , the FDA-cleared digital health solution ... Brad Towle as Senior Vice President, Business and ... company,s sales growth, customer acquisition and program expansion. ... past role in the development of accountable care organizations, ... time in the industry," said David Van Sickle ...
Breaking Biology Technology:PlaqueTec sichert sich CE-Kennzeichnung für Liquid Biopsy System - bahnbrechende Innovation zur Erfassung neuer biologischer Informationen aus erkranktem Herzkranzgefäß 2PlaqueTec sichert sich CE-Kennzeichnung für Liquid Biopsy System - bahnbrechende Innovation zur Erfassung neuer biologischer Informationen aus erkranktem Herzkranzgefäß 3PlaqueTec sichert sich CE-Kennzeichnung für Liquid Biopsy System - bahnbrechende Innovation zur Erfassung neuer biologischer Informationen aus erkranktem Herzkranzgefäß 4Lubricant Market & Adhesion Promoter Industry (Globa, China) Analysis Now Available at DeepResearchReports.com 2Lubricant Market & Adhesion Promoter Industry (Globa, China) Analysis Now Available at DeepResearchReports.com 3Lubricant Market & Adhesion Promoter Industry (Globa, China) Analysis Now Available at DeepResearchReports.com 4JOLT Announces the Next 6 Startups to Join its Summer 2014 Cohort 2JOLT Announces the Next 6 Startups to Join its Summer 2014 Cohort 3Propeller Health Hires Brad Towle as Senior Vice President of Business and Client Development 2
... Study Impact on Detroit Area, DETROIT, March ... findings from its new study, Affordable Broadband:,Empowering Communities ... expanded access to education, health care and civic,involvement ... Detroit Digital Empowerment Council (DEC) that was launched,earlier ...
... LEXINGTON, Mass., March 11 Indevus,Pharmaceuticals, Inc. (Nasdaq: ... the Cowen and Company 28th Annual Health Care Conference, ... conference is being held in,Boston, Massachusetts. The presentation will ... the Investors section of the Indevus website at, http://www.indevus.com ...
... Immucor, Inc., a,global leader in providing automated ... today that it has signed a definitive,agreement ... held company,based in Warren, NJ that has ... enable rapid and comprehensive antigen,determination for donors ...
Cached Biology Technology:Study Finds Broadband Access Key to Empowerment of Minority Communities 2Indevus Pharmaceuticals to Present at Cowen and Company 28th Annual Health Care Conference 2Indevus Pharmaceuticals to Present at Cowen and Company 28th Annual Health Care Conference 3Immucor To Acquire BioArray Solutions Ltd. 2Immucor To Acquire BioArray Solutions Ltd. 3Immucor To Acquire BioArray Solutions Ltd. 4
POU domain, class 2, transcription factor 2,...
IKKbeta/IKK-2 Polyclonal Antibody 100 ug affinity purified rabbit polyclonal antibody. Reacts with human. Tested in Western blotting....
1, 2 or 8 PreMixes are included as part of the FailSafe™ PCR System....
The Hybrid Hunter Yeast Two-Hybrid System uses the activation of reporter genes to indicate positive protein-protein interactions. Two reporters are used an auxotrophic marker and lacZ....
Biology Products: