Abstract：
:Anaerobic Membrane Bioreactors (AnMBR) are gaining attention as a suitable approach for sustainable low-strength wastewater treatment, as they bring together the advantages of both anaerobic treatments and membrane bioreactors. However, increasing the sludge retention time (SRT) necessary to favor hydrolysis increases the suspended solids concentration potentially leading to decreased permeate flux. Therefore, the availability of a mathematical approach to predict the solids concentration within an AnMBR can be very useful. In this work, a mathematical model describing the volatile solids concentration within the reactor as a function of the operating parameters and the influent characteristics is developed. The solubilization of organic particulates was clearly influenced by temperature and the SRT, whereas the hydraulic retention time influence was negligible. Furthermore, the activation energy value of about 20 kJ mol-1 confirms the idea that diffusion of hydrolytic enzymes from the bulk solution to the particle surface is the rate-limiting step of hydrolysis.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Giménez JB,Martí N,Bouzas A,Ferrer J,Seco Adoi
10.1016/j.jenvman.2020.110983subject
Has Abstractpub_date
2020-10-01 00:00:00pages
110983eissn
0301-4797issn
1095-8630pii
S0301-4797(20)30911-7journal_volume
271pub_type
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