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Jrme Harmand

Bio: Jrme Harmand is an academic researcher from Institut national de la recherche agronomique. The author has contributed to research in topics: Chemostat & Series (stratigraphy). The author has an hindex of 1, co-authored 1 publications receiving 3 citations.

Papers
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TL;DR: In this article, geometric tools are used for the attainability study of biological Sequencing Batch Reactors (SBR) and a numerical solution is then proposed to solve this new minimal time problem.

3 citations

Journal ArticleDOI
TL;DR: In this article , a model of two interconnected chemostats in series, characterized by biomass mortality, is discussed, and a comparison is established with a single chemostat of the same total volume in two different cases, that are with or without mortality rate.
Abstract: This paper discusses a model of two interconnected chemostats in series, characterized by biomass mortality. A comparison is established with a single chemostat of the same total volume in two different cases, that are with or without mortality rate. The outlet substrate concentration and the biogas flow rate are the main criteria for comparison. According to conditions depending on the operating parameters and the distribution of the total volume, our results show which structure, the series of the two chemostats or the single chemostat, performs better in terms of minimizing the outlet substrate concentration or maximizing the biogas flow rate, and this with or without account of mortality. Moreover, the differences and similarities in the results corresponding to the case with mortality and the one without mortality, are highlighted.

1 citations


Cited by
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TL;DR: Mazouni et al. as discussed by the authors presented two optimal control strategies developed for the control of two biological sequencing batch reactors (SBR), the first one performing both organic carbon and nitrogen removal from dairy wastewaters, while the second one treating toxic wastewater.
Abstract: This paper presents two optimal control strategies developed for the control of two biological sequencing batch reactors (SBR), the first one performing both organic carbon and nitrogen removal from dairy wastewaters, while the second one treats toxic wastewaters. The proposed control laws are based on models that have been validated with real data acquired on two real biological SBR pilot plants. These models are presented in D. Mazouni et al., 16th IFAC World Congress, Prague, 5–8 July 2005. The validation results of these control strategies are presented and discussed.

4 citations

Journal ArticleDOI
TL;DR: In this paper , the authors considered the model of two chemostats in series when a biomass mortality is considered in each vessel and compared the performance of the serial configuration with a single chemostat with the same total volume.

2 citations