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Biotrickling filtration of complex pharmaceutical VOC emissions along with chloroform
Published in Elsevier B.V.
2012
PMID: 22507906
Volume: 114
   
Pages: 149 - 159
Abstract
Biodegradation of chloroform along with a mixture of VOCs (methanol, ethanol, acetone and toluene) commonly found in pharmaceutical emissions using a biotrickling filter (BTF) was evaluated. The performance of the BTF was evaluated for both steady and transient conditions, for different inlet loading rates (ILR), empty bed residence time (EBRT) and inlet chloroform concentrations. Among the VOCs studied before chloroform feeding, toluene removal was the least, under all the operating conditions. Complete removal of all pollutants was achieved up to a chloroform loading rate of 14.22g/m 3/h. Increase in loading rate of chloroform adversely affected the removal efficiency of toluene and declined the overall performance of BTF. The results suggest that biodegradation of VOCs is influenced by the inlet loading rate and complexity of pollutants in the inlet air stream. Results from studies on shock loading and starvation indicated that the system was highly resilient to transient operating conditions. © 2012 Elsevier Ltd.
About the journal
JournalData powered by TypesetBioresource Technology
PublisherData powered by TypesetElsevier B.V.
ISSN09608524
Open AccessNo
Concepts (53)
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    BIOTRICKLING
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    BIOTRICKLING FILTERS
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    CHLORINATED VOLATILE ORGANIC COMPOUNDS
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    CHLOROFORM CONCENTRATIONS
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    EMPTY BED RESIDENCE TIME
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    INLET AIR
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    Loading rate
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    Operating condition
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    Pharmaceutical industry
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    Removal efficiencies
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    Shock loadings
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    STEADY AND TRANSIENT
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    Transient operating condition
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    TRANSIENT STATE
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    VOC EMISSIONS
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    Acetone
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    Biodegradation
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    BIOFILTERS
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    BIOFILTRATION
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    Chlorine compounds
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    Ethanol
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    Methanol
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    Microbiology
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    Pollution
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    Toluene
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    Volatile organic compounds
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    Loading
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    Alcohol
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    Chloroform
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    Bioreactor
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    Drug
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    Filtration
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    Performance assessment
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    Pollutant removal
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    Residence time
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    Starvation
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    STEADY-STATE EQUILIBRIUM
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    Volatile organic compound
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    Article
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    Bacillus
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    CHRYSEOBACTERIUM
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    CHRYSEOBACTERIUM JOOSTEI
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    Drug industry
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    Hydrophilicity
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    Hydrophobicity
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    Nonhuman
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    Priority journal
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    Pseudomonas aeruginosa
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    Trickling filter
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    Bacteria, aerobic
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    Biodegradation, environmental
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    Pharmaceutical preparations
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    Ultrafiltration