Removal efficiency
TítuloThe influence of plant density on the removal efficiency of volatile organic compounds in indoor air using a biological filter
... When considering the addition of green plants alone to the biofiltration system, there was a clear increase in the removal efficiency with the lower densities of the plants (Figure 1). This increase was ...
6
Assessing changes in eco productivity of wastewater treatment plants: The role of costs, pollutant removal efficiency, and greenhouse gas emissions
... In the context of urban sustainability, the eco-efficiency of WWTPs has been identified as one of the major strategic elements in need of addressing. Thus, in recent years, a series of research studies have fo- cused on ...
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Evaluation of over-the-row harvester damage in a super-high-density olive orchard using on-board sensing techniques
... effective removal of the olive fruits; however, the energy applied to the canopy by the harvesting machine that can result in fruit damage, structural damage or extra stress on the trees has been little ...the ...
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TítuloMenbrane inlet mass spectrometry (MIMS) as a tool for evaluating biological air filters in agriculture
... Membrane inlet mass spectrometry (MIMS) is presented as a new tool for monitoring the removal efficiency of biofilters with respect to odour compounds. The MIMS technique is based on the separation of ...
8
TítuloGas phase toluene biodegradation by Burkholderia vietnamiensis G4 in a biofilm membrane reactor
... In membrane bioreactor, composite membrane (PDMS/PAN) was incorporated in the Perspex reactor module, TOL loaded air and mineral medium remain separated by the composite membrane. The inoculum was recirculated along the ...
10
TítuloMethanol and ethanol treatment by biotrickling filtration: an experimental study
... The experiments were performed using two identical biotrickling filters. The experimental setup is shown on Figure 1. The setup consisted of a bubbler, a humidification column, a biotrickling filter, a holding tank and a ...
5
TítuloExperimental and neural model analysis of styrene removal from polluted air in a biofilter
... The ANN consists of a set of highly interconnected, yet simple processing units commonly referred to as neurons or nodes that are responsible for executing the prescribed rudimentary computation. These neurons are ...
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TítuloParameters affecting performance and modeling of biofilters treating alkylbenzene polluted air
... low removal efficiencies shown in the figure simply result from the fact that these data were generated when the biofilter was operated at a low water ...the removal efficiency decreased more ...
10
TítuloOptimization of the treatment of carbon monoxide polluted air in biofilters
... 85% removal efficiency was reached at an inlet gas concentration of 3950 mg m −3 , with an EBRT of 3 ...its removal in such mixtures should be studied as ...
13
TítuloRemoval of formaldehyde, methanol, dimethylether and carbon monoxide from waste gases of synthetic resin producing industries
... the removal of dimethylether was very low during the study, reaching maximum elimination capacities around 2 g m −3 h −1 only, with removal efficiencies below ...dimethylether removal ...
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4. Performance modelspdf, 129kb
... on removal mechanisms and efficiency (Figure ...particles, removal efficiency decreases as particle size increases, because small particles diffuse faster than large ...
9
TítuloPerformance evaluation of biofiltration in the removal of hydrogen sulfide from gas flue
... Performance of the biofilter was evaluated during the start up period with the empty bed retention time (EBRT) of 1 min and inlet concentration of about 5-265 ppm (Figure 2). At first system was operated with inlet ...
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TítuloComparison of two stage and single stage biofiltration for H2S and toluene co treatment
... Thiobacillus sp., i.e. sulphuric acid, will decrease the pH inside the bioreactor rapidly. Most Thiobacillus sp. are autotrophic organisms and thus do not use VOCs as carbon sources for growth. On the other hand, VOCs ...
8
A BRIEF HISTORY OF HAIR REMOVAL
... Patients may note skin erythema and a sunburn sensation for up to 2 to 3 hours after a treatment session. Posttreatment instructions vary, and generally include not to tan for several weeks, to keep the areas clean and ...
9
Essays on simulation methods
... the efficiency of WaSCs using a reliable approach such as bootstrap ...bias-corrected efficiency scores provides a more reliable performance comparison of the ...affecting efficiency scores is ...
116
TítuloRemoval of dimethyl sulfide in a thermophilic membrane bioreactor
... observed in RE. Instead the concentration of DMS in the head space in the bottle containing the liquid medium increased (results not shown). It showed that at high EBRT of 36 s, DMS was only transported to the liquid ...
8
TítuloRemoval of triazine herbicides from freshwater systems using photosynthetic microorganisms
... The uptake of the triazine herbicides, atrazine and terbutryn, was determined for two freshwater photosynthetic microorganisms, the green microalga Chlorella vulgaris and the cyanobacterium Synechococcus elongatus . An ...
12
Enhanced carbon, nitrogen and phosphorus removal from domestic wastewater in a novel anoxic aerobic photobioreactor coupled with biogas upgrading
... The steady increase in human population [1] and industrial activity is generating large amounts of wastewaters and greenhouse gases [2], which represent two of the major environmental challenges to global sustainability ...
40
Caries removal based on pulp biology
... In its pursuit of sound scientific knowledge, the current literature on this matter reports different viewpoints on whether carious dentin removal must be total or could be partial. Several research works reveal ...
14
Ozonation and irradiation treatments for the removal of emerging water pollutants
... Besides the depletion of the compounds shown in Tables 5.1 and 5.2, we also tracked three relevant metabolites of three of them, namely HHBC-lactone from HHBC, AHTN-COOH (3,5,5,6,8,8-hexamethyl-5,6,7,8- ...
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