Biotrickling filter
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TítuloRemoval of ammonia by immobilizaed Nitrosomonas europaea in a biotrickling filter packed with polyurethane foam
... The experimental set up is shown in Figure 1. As biotrickling filter it was used the same column that has been used for the immobilization. The air supply used was compressed air available in the building. ...
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TítuloEffects of CO2 and methanol on the degradation of hydrogen sulfide in a biotrickling filter
... The schematic of the biotrickling filter used in this study is shown in Figure 1 and has been described previously in detail (Jin et al., 2005a). It is a cylindrical packed bed reactor made of glass, 75 mm ...
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TítuloAn innovative biotrickling filter for H2S removal from biogas
... novel biotrickling filter and to find the optimal operational conditions a co-current laboratory system was set-up (Figure ...The filter was divided into 3 packed ...
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TítuloDevelopment of a biotrickling filter for the removal of H2S from biogas
... the biotrickling filter technology. Biotrickling filters (BTFs) were initially developed for air pollution control in order to treat odorous off-gases from wastewater treatment plants and other ...
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TítuloInfluence of nematodes grazing bacteria on biomass growth in a biotrickling filter treating chlorobenzenes
... Recently, the processes that reduce the amount of immobilized biomass on the packing increase in importance. It was observed that the addition of protozoa or nematodes to the biotrickling filter resulted in ...
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TítuloDegradation of solvent mixture vapors in a biotrickling filter reactor: impact of hydrophilic components loading and loading release dynamic
... Interactions amongst the degradation rates of toluene, xylenes, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), n-butyl acetate (n-BA), and acetone (Ac) were investigated in a biotrickling filter ...
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TítuloCo treatment of hydrogen sulfide and methanol in a single stage biotrickling filter under acidic conditions
... the biotrickling filter was renewed every day. The biotrickling filter’s performance was estimated by calculating the elimination capacity and removal efficiency at different loads, according to ...
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TítuloStyrene removal from polluted air in one and two liquid phase biotrickling filter: Steady and transient state performance and pressure drop control
... variecibatus-inoculated biotrickling filter (BTF) was examined for styrene removal, without and with the addition of silicone oil, at different empty bed residence ...in filter-bed ...
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TítuloReal time PCR analysis of tailored and non specific inocula for the removal of dimethyl sulfide in a biotrickling filter
... a biotrickling filter. Three biotrickling filters were set up in parallel, inoculated respectively with Thiobacillus thioparus TK-m, sludge and sludge + ...the biotrickling filters was ...
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TítuloHigh H2S concentrations abatement in a biotrickling filter: start up at controlled pH and effect of the EBRT and O2H2S supply ratio
... In a previous study, H 2 S concentrations up to 10,000 ppm v were proven to be successfully treated in a biotrickling filter with an empty bed retention time of 180 s. However, some operational problems ...
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TítuloRemoval of a mixture of oxygenated VOCs in a biotrickling filter
... This section deals with the evaluation of the efficiency of the process for the individual components. Results from Phase III, corresponding to operation under controlled pressure drop, are discussed. Similar general ...
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TítuloCharacterization of a biotrickling filter treating methanol vapours
... The aim of this research is to characterize a biotrickling filter (BTF) treating methanol vapour emissions. The parameters studied were the nitrogen concentration in the nutrient solution and the empty bed ...
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TítuloAutotrophic deodorization of hydrogen sulfide in a biotrickling filter
... the filter bed is strongly inhibited by a high sulfate content and a low ...a biotrickling filter treating H 2 S-polluted air, observing significant inhibition at ...
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TítuloEffects of pH, CO2, and flow pattern on the autotrophic degradation of hydrogen sulfide in a biotrickling filter
... carbon source, was continuously recirculated over the packed bed using a peristaltic pump (model 323E/D, Watson- Marlow Limited, Falmouth Cornwall, England) at a constant volumetric flow rate of 2.77 L/h. The nutrient ...
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TítuloRemoval of dichloromethane from waste gases using a fixed bed biotrickling filter and a continuous stirred tank bioreactor
... Ottengraf et al. (1986) found complete inhibition at concentration levels exceeding 250-300 mM NaCl, while Hartmans and Tramper (1991) reported high inhibitory effects with 200 mM NaCl. In other bioreactor studies, the ...
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TítuloAmmonia transformation in a biotrickling air filter
... tubular biotrickling filter was designed for optimal removal of ammonia and odour in ventilation air from a pig ...the filter sections near the air outlet / water inlet, and only 8% of the nitrite ...
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Hodrick-Prescott filter in practice
... Different shortcomings and drawbacks of the Hodrick- Prescott filter have been pointed out in the literature which at the same time do not appear to have had great effects on its wide use in empirical research. ...
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2. Removal processespdf, 318kb
... the filter media and septum, the precoat materials (filter cake) capture microbes and other particles, mainly by physical ...the filter media slurry is added continuously to the system, to maintain ...
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Error source in AOD retrieval from filter radiometer data in the UV due to filter band function
... Figure 2. Ozone absorption spectral coefficients from SMARTS2 model and band-pass function of the 340nm filter of Cimel #419 (both in logarithmic scale). The two peaks in the spectral region exceeding the nominal ...
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AN AUDITORY MODEL THAT EXPLAINS INDIVIDUAL DIFFERENCES OF MASKING BY SCHROEDER-PHASE COMPLEXES
... gammachirp filter, in order to obtain the appropriate negative curvature of the phase function, which causes the amplitude spectrum of the filter to have a steeper slope at high-frequency regions and a ...
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