Implementation of TA Luft 2002 in Existing Plants: A Bioscrubber for Combined Waste Air and Waste Water Treatment

Dobslaw, Daniel; Woiski, Christine; Engesser, Karl‐Heinrich

doi:10.1002/cite.201000030

Cited by 3 publications

(1 citation statement)

References 14 publications

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“…The biotrickling filter was used to clean air contaminated with 2-BE (Dobslaw et al 2018). The bioscrubber removed VOCs in varying concentrations including butyl acetate, ethyl acetate, methyl ethyl ketone (MEK), acetone, dichloromethane (DCM), ethanol, methanol, isopropanol, THF, hexane, heptane, ethylbenzene, 2-BE, and others (Dobslaw et al 2010). Approximately 2 g of each sample were transferred into 250 ml flasks containing 50 ml MM medium and 3 mM 2-BE as the sole source of carbon.…”

Section: Isolation and Identification Of 2-be Degrading Bacterial Strainsmentioning

confidence: 99%

Isolation and characterization of 2-butoxyethanol degrading bacterial strains

2020

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A total of 11 bacterial strains capable of completely degrading 2-butoxyethanol (2-BE) were isolated from forest soil, a biotrickling filter, a bioscrubber, and activated sludge, and identified by 16S rRNA gene sequence analysis. Eight of these strains belong to the genus Pseudomonas; the remaining three strains are Hydrogenophaga pseudoflava BOE3, Gordonia terrae BOE5, and Cupriavidus oxalaticus BOE300. In addition to 2-BE, all isolated strains were able to grow on 2-ethoxyethanol and 2-propoxyethanol, ethanol, n-hexanol, ethyl acetate, 2-butoxyacetic acid (2-BAA), glyoxylic acid, and n-butanol. Apart from the only gram-positive strain isolated, BOE5, none of the strains were able to grow on the nonpolar ethers diethyl ether, di-n-butyl ether, n-butyl vinyl ether, and dibenzyl ether, as well as on 1-butoxy-2-propanol. Strains H. pseudoflava BOE3 and two of the isolated pseudomonads, Pseudomonas putida BOE100 and P. vancouverensis BOE200, were studied in more detail. The maximum growth rates of strains BOE3, BOE100, and BOE200 at 30 °C were 0.204 h−1 at 4 mM, 0.645 h−1 at 5 mM, and 0.395 h−1 at 6 mM 2-BE, respectively. 2-BAA, n-butanol, and butanoic acid were detected as potential metabolites during the degradation of 2-BE. These findings indicate that the degradation of 2-BE by the isolated gram-negative strains proceeds via oxidation to 2-BAA with subsequent cleavage of the ether bond yielding glyoxylate and n-butanol. Since Gordonia terrae BOE5 was the only strain able to degrade nonpolar ethers like diethyl ether, the degradation pathway of 2-BE may be different for this strain.

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Section: Isolation and Identification Of 2-be Degrading Bacterial Strainsmentioning

confidence: 99%

Isolation and characterization of 2-butoxyethanol degrading bacterial strains

2020

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Bioscrubbers

Cloirec

Humeau

2013

Air Pollution Prevention and Control

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This paper is to present the general operating methods and some applications of gas stream treatments, esp. the removal of volatile org. or inorg. compds., by bioscrubbers. Specific points and general applications of this process are developed a) principles of a bioscrubber and general operating conditions b) biotreatment of pollutant families and c) treatment of byproducts generated by this waste-gas treatment process

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Biologische Abluftreinigung einer Lackierabluft im Kombinationsverfahren

Gerl

Engesser

Fischer

et al. 2016

Chemie Ingenieur Technik

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Biological Waste Air Cleaning for a Dip Spinning Process Using a Combined ProcessThis study describes an approach to improve an industrial scale biofilter as biological waste air cleaning plant for the treatment of VOC emissions created by dip spin coating of metallic components. The compounds in the waste air with equal ratios are mainly the hydrophilic methoxypropyl acetate and lipophilic xylene isomers. After a pilot-scale biofilter proved inefficient due to efficiencies lower than 20 %, the proposed solution was a combination of a bioscrubber and a downstream biotrickling filter. The system was stable and maintained a long term removal efficiency of 75 %. Keywords

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Implementation of TA Luft 2002 in Existing Plants: A Bioscrubber for Combined Waste Air and Waste Water Treatment

Abstract: The compound specific degradation potential of the plant was verified in laboratory scale.

Cited by 3 publications

References 14 publications

Isolation and characterization of 2-butoxyethanol degrading bacterial strains

Isolation and characterization of 2-butoxyethanol degrading bacterial strains

Bioscrubbers

Biologische Abluftreinigung einer Lackierabluft im Kombinationsverfahren

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