Model-based sensitivity analysis of a fluidised-bed bioreactor for mercury uptake by immobilised Pseudomonas putida cells
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Gheorghe Maria
,
Ionela Luta
Abstract
A model-based sensitivity analysis was performed in order to evaluate the importance of the individual operating parameters of a three-phase fluidised-bed biological reactor used for removing mercury ions from wastewater. The parameters analysed involve the immobilised biomass load (bacteria P. putida) on alginate beads, particle size, inlet flow-rate, mercury ion loads in the fed wastewater, and the solid fraction in the reactor. Predictions were generated by using pseudo-first-order, Michaelis-Menten, or pseudo-Haldane kinetic models. The results highlight the major influence of the biomass/solid load and of the liquid residence time on the reactor efficiency. Also, the resultant significant differences in the model predictions underline the importance of using a more accurate kinetic model for process design and control purposes.
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© 2013 Institute of Chemistry, Slovak Academy of Sciences
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- DFT study of free radical scavenging activity of erodiol
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Artikel in diesem Heft
- A comparative study on direct production of ethyl levulinate from glucose in ethanol media catalysed by different acid catalysts
- Model-based sensitivity analysis of a fluidised-bed bioreactor for mercury uptake by immobilised Pseudomonas putida cells
- Variability of total and mobile element contents in ash derived from biomass combustion
- Pigmentary properties of rutile TiO2 modified with cerium, phosphorus, potassium, and aluminium
- Efficient synthesis of carbon nanotubes with improved surface area by low-temperature solvothermal route from dichlorobenzene
- Surface modification of quantum dots and magnetic nanoparticles with PEG-conjugated chitosan derivatives for biological applications
- Comparative study of particle size analysis of hydroxyapatite-based nanomaterials
- Synthesis of cinnamic acid-derived 4,5-dihydrooxazoles
- Thermodynamic properties of dimethyl phthalate + vinyl acetate, diethyl phthalate + vinyl acetate or bromocyclohexane, and dibutyl phthalate + vinyl acetate or 1,2-dichlorobenzene at T = 298.15–308.15 K
- Temperature-dependent volumetric and viscometric properties of amino acids in aqueous solutions of an antibiotic drug
- DFT study of free radical scavenging activity of erodiol
- QSAR study of amidino bis-benzimidazole derivatives as potent anti-malarial agents against Plasmodium falciparum
- Alternative two-step route to khellactone analogues using silica tungstic acid and sodium hydrogen phosphate
