Hydrogen production in a novel configuration of UASB reactor under different hydraulic retention time

Fermentative Hydrogen Production by Molasses; Effect of Hydraulic Retention Time, Organic Loading Rate and Microbial Dynamics

© 2012 Mariakakis et al., licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fermentative Hydrogen Production by Molasses; Effect of Hydraulic Retention Time,...

Hydraulic Modeling of the Liquid Flow Pattern in a Bench-scale Uasb Reactor

All bioreactor configurations are affected by mixing and transport phenomena and consequently the bioreactor’s hydraulics governs the reactor’s configurations as well as performance. For instance, to provide good conditions for substrate transport to, and from, the microbial aggregates, an even mixing pattern at the macro-level is desirable. However, the available data that either describe UASB...

Investigation of Sour Natural Gas Decomposition in a Nozzle-type Solar Reactor for Hydrogen Production

Novel consensus quantitative structure-retention relationship method in prediction of pesticides retention time in nano-LC

In this study, quantitative structure-retention relationship (QSRR) methodology employed for modeling of the retention times of 16 banned pesticides in nano-liquid chromatography (nano-LC) column. Genetic algorithm-multiple linear regression (GA-MLR) method employed for developing global and consensus QSRR models. The best global GA-MLR model was established by adjusting GA parameters. Three de...

Sulfide Toxicity Kinetics of a Uasb Reactor

The effect of sulfide toxicity on kinetic parameters of anaerobic organic matter removal in a UASB (up-flow anaerobic sludge blanket) reactor is presented. Two lab-scale UASB reactors (10.5 L) were operated continuously during 12 months. The reactors were fed with synthetic wastes prepared daily using glucose, ammonium acetate, methanol and nutrient solution. One of the reactors also received i...