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Article Dans Une Revue Environmental Technology Année : 2017

A fuzzy-logic-based controller for methane production in anaerobic fixed-film reactors

Résumé

The main objective of this work was to develop a controller for biogas production in continuous anaerobic fixed-bed reactors, which used effluent total volatile fatty acids (VFA) concentration as control input in order to prevent process acidification at closed loop. To this aim, a fuzzy-logic-based control system was developed, tuned and validated in an anaerobic fixed-bed reactor at pilot scale that treated industrial winery wastewater. The proposed controller varied the flow rate of wastewater entering the system as a function of the gaseous outflow rate of methane and VFA concentration. Simulation results show that the proposed controller is capable to achieve great process stability even when operating at high VFA concentrations. Pilot results showed the potential of this control approach to maintain the process working properly under similar conditions to the ones expected at full-scale plants.
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Dates et versions

hal-01605963 , version 1 (25-05-2020)

Identifiants

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Angel Robles Martinez, Eric Latrille, M.V. Ruano, Jean-Philippe Steyer. A fuzzy-logic-based controller for methane production in anaerobic fixed-film reactors. Environmental Technology, 2017, 38 (1), pp.42-52. ⟨10.1080/09593330.2016.1184321⟩. ⟨hal-01605963⟩
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