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Effects of irrigation and water content of packings on alpha-pinene vapours biofilteration performance

Bagherpour, Mohammad Bagher (författare)
Växjö universitet,Institutionen för teknik och design,Amirkabir University of Technology, Iran
Nikazar, Manouchehr (författare)
Amirkabir University of Technology, Iran
Welander, Ulrika (författare)
Växjö universitet,Institutionen för teknik och design
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Bonakdarpour, Babak (författare)
Amirkabir University of Technology, Iran
Sanati, Mehri (författare)
Lund University,Lunds universitet,Växjö universitet,Institutionen för teknik och design,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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 (creator_code:org_t)
Elsevier, 2005
2005
Engelska.
Ingår i: Biochemical engineering journal. - : Elsevier. - 1369-703X .- 1873-295X. ; 24:3, s. 185-193
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The main objective of this investigation is to determine the effect of different physical parameters on the performance of biofilters, treating hydrophobic compounds. In this respect, the effects of irrigation and water content of packings on the removal efficiency of bed in different pollutant loading rates, and gas phase flow rates, is studied. Alpha-pinene, which is produced from variety of industrial wood products, pulp and paper industries, and fragrance production units, has been selected as a model compound. Since the effectiveness of biofiltration depends strongly upon water solubility of compounds, in the case of alpha-pinene (2.5 ppm, at 25 ◦C), the process of waste gas treatment is faced with difficulties. In this paper, it is shown that performance of biofilters, treating hydrophobic contaminants, declines due to irrigation. This reduction is detected by an increase in the outlet concentration from 11% up to 22.5%. Its magnitude depends on the gas velocity inside the biofilter and outlet concentration of the bed. The result indicated that pore blocking along the bed has less effect on the performance reduction than diffusion coefficient. Also the inhibitory effects of velocity on biodegradation are considerably higher than the effects of concentration. In addition, this compost-based biofilter shows noteworthy higher elimination capacities in comparison with previous studied biofiltration systems. In this study, a maximum elimination capacity of 227 gm−3 of packing h−1 is achieved by 95% of removal efficiency. The maximum concentration in the inlet gas was 650 mgm−3.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Industriell bioteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Industrial Biotechnology (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Produktionsteknik, arbetsvetenskap och ergonomi (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Production Engineering, Human Work Science and Ergonomics (hsv//eng)

Nyckelord

Biofilter
Irrigation
Water content
Hydrophobic
Waste gas treatment
Alpha-pinene
Chemical energy engineering
Kemisk energiteknik
Bioengineering
Bioteknik
Bioenergiteknik/Energi- och Miljöteknik
Bioenergy Technology
Biofilter
irrigation
water content
hydrophobic
waste gas treatment
alpha-pinene

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