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  1. Reviews in Environmental Science and Biotechnology
  2. Reviews in Environmental Science and Biotechnology : Volume 1
  3. Reviews in Environmental Science and Biotechnology : Volume 1, Issue 1, March 2002
  4. Trends in application of gas-phase bioreactors
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Reviews in Environmental Science and Biotechnology : Volume 16
Reviews in Environmental Science and Biotechnology : Volume 15
Reviews in Environmental Science and Biotechnology : Volume 14
Reviews in Environmental Science and Biotechnology : Volume 13
Reviews in Environmental Science and Biotechnology : Volume 12
Reviews in Environmental Science and Biotechnology : Volume 11
Reviews in Environmental Science and Biotechnology : Volume 10
Reviews in Environmental Science and Biotechnology : Volume 9
Reviews in Environmental Science and Biotechnology : Volume 8
Reviews in Environmental Science and Biotechnology : Volume 7
Reviews in Environmental Science and Biotechnology : Volume 6
Reviews in Environmental Science and Biotechnology : Volume 5
Reviews in Environmental Science and Biotechnology : Volume 4
Reviews in Environmental Science and Biotechnology : Volume 3
Reviews in Environmental Science and Biotechnology : Volume 2
Reviews in Environmental Science and Biotechnology : Volume 1
Reviews in Environmental Science and Biotechnology : Volume 1, Issue 4, December 2002
Reviews in Environmental Science and Biotechnology : Volume 1, Issue 3, September 2002
Reviews in Environmental Science and Biotechnology : Volume 1, Issue 2, June 2002
Reviews in Environmental Science and Biotechnology : Volume 1, Issue 1, March 2002
Editorial ( Reviews in Environmental Science and Biotechnology , Volume 1 , Issue 1 )
Key roles of pH and calcium metabolism in microbial carbonate precipitation
Challenges and opportunities in the use of iron in water and wastewater treatment
A review of non-DLVO interactions in environmental colloidal systems
Contribution of molecular microbiology to the study in water pollution removal of microbial community dynamics
Improved nitrogen removal by application of new nitrogen-cycle bacteria
Trends in application of gas-phase bioreactors
New developments in treatment of heavy metal contaminated soils
Integrating process engineering and microbiology tools to advance activated sludge wastewater treatment research and development
Instructions for Authors ( Reviews in Environmental Science and Biotechnology , Volume 1 , Issue 1 )

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Trends in application of gas-phase bioreactors

Content Provider Springer Nature Link
Author Schroeder, Edward D.
Copyright Year 2002
Abstract Gas-phase biological processes areeffective systems for treating air contaminatedwith biodegradable compounds. The greatestamount of experience with gas-phase processesexists with odor control and sulfide oxidation.Organic contaminant concentrations are limitedby oxygen transfer and clogging to values ofapproximately 1000 ppmv and loading rates ofapproximately 20 g/m$^{3}$·h with empty bed contacttimes and air flux values of approximatelyone-minute and 1 m$^{3}$/m$^{2}$·min, respectively.Outlet contaminant concentrations attainableare generally near the non-detect level andnearly always below 50 ppbv. Very fewcontaminant concentration profiles have beenpublished and most performance and processresponse modeling has been based on in/outcontaminant values. Based on limited pilot andlaboratory scale profile data, it appears thatmany systems treating less soluble organics maybe fully or partially mass transport limited.The principal control problem in biofilters ismoisture content. Systems should be designedwith capacity to periodically add moisture tothe bed. In systems treating sulfides orchlorinated organics acid is produced and pHcontrol and corrosion can be problems. Cloggingdue to excess microbial growth results inincreased head loss, channelization, anddecreased performance. Initial head loss isusually less than 10 mm/m but increases as runtimes become extended. Typical of plug flowbiological processes, the highest removal ratesoccur near the inlet. Transient contaminantconcentration pulses tend to result in deeperpenetration into the bed where activity islower.
Starting Page 65
Ending Page 74
Page Count 10
File Format PDF
ISSN 15691705
Journal Reviews in Environmental Science and Biotechnology
Volume Number 1
Issue Number 1
e-ISSN 15729826
Language English
Publisher Kluwer Academic Publishers
Publisher Date 2002-01-01
Publisher Place Dordrecht
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Microbiology Atmospheric Protection/Air Quality Control/Air Pollution Environmental Biotechnology
Content Type Text
Resource Type Article
Subject Waste Management and Disposal Pollution Environmental Engineering Applied Microbiology and Biotechnology
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