PMID- 19320156
OWN - NLM
STAT- MEDLINE
DCOM- 20090416
LR  - 20190715
IS  - 0013-936X (Print)
IS  - 0013-936X (Linking)
VI  - 43
IP  - 4
DP  - 2009 Feb 15
TI  - Enhanced biofiltration using cell attachment promotors.
PG  - 1049-54
AB  - H2S polluted airstreams were treated in two biotrickling filter columns packed 
      with polyurethane (PU) foam cubes, one with cubes coated with a solution of 25 
      mg/L of polyethyleneimine (PEI, coated reactor) and the other containing just 
      plain PU cubes (uncoated reactor) at empty bed residence times (EBRT) ranging 
      from 6 to 60 s. and inlet H2S concentrations ranging from 30 to 235 ppm, (overall 
      loads of up to 44 gH2S/m3bed/h), with overall removal efficiencies (RE) in the 
      range of 90-100% over 125 days. The acclimatization characteristics of the coated 
      reactor outperformed those of the uncoated one, and both the observed elimination 
      capacity (EC) of 77 gH2S/m3bed/h and retention of volatile solids (VS) of 42 
      mgVS/cube were maxima in the coated reactor. Insights into the controlling 
      removal mechanisms were also provided by means of dimensionless analysis of the 
      experimental data. Denaturing gradient gel electrophoresis (DGGE) showed that the 
      dominant surviving species in both units belonged to the genus Acidithiobacillus.
FAU - Goncalves, Juan J
AU  - Goncalves JJ
AD  - Department of Chemical and Materials Engineering, 620 Rhodes Hall, University of 
      Cincinnati, Cincinnati, Ohio 45221-0012, USA.
FAU - Govind, Rakesh
AU  - Govind R
LA  - eng
PT  - Journal Article
PL  - United States
TA  - Environ Sci Technol
JT  - Environmental science & technology
JID - 0213155
RN  - 0 (Polyurethanes)
RN  - 0 (RNA, Ribosomal, 16S)
RN  - YY9FVM7NSN (Hydrogen Sulfide)
SB  - IM
MH  - Acidithiobacillus/*cytology/genetics
MH  - *Bacterial Adhesion
MH  - Bioreactors
MH  - Electrophoresis
MH  - *Filtration
MH  - Hydrogen Sulfide/isolation & purification
MH  - Kinetics
MH  - Polyurethanes/metabolism
MH  - RNA, Ribosomal, 16S/analysis
MH  - Volatilization
EDAT- 2009/03/27 09:00
MHDA- 2009/04/17 09:00
CRDT- 2009/03/27 09:00
PHST- 2009/03/27 09:00 [entrez]
PHST- 2009/03/27 09:00 [pubmed]
PHST- 2009/04/17 09:00 [medline]
AID - 10.1021/es801156x [doi]
PST - ppublish
SO  - Environ Sci Technol. 2009 Feb 15;43(4):1049-54. doi: 10.1021/es801156x.