Journal Pre-proofs Simultaneous biodegradability enhancement and high-efficient nitrogen re‐ moval in an innovative single stage anaerobic/anoxic/aerobic hybrid airlift bi‐ oreactor (HALBR) for composting leachate treatment: process modeling and optimization Mahsa Mirghorayshi, Ali Akbar Zinatizadeh, Mark C.M. van Loosdrecht PII: S1385-8947(20)33147-8 DOI: https://doi.org/10.1016/j.cej.2020.127019 Reference: CEJ 127019 To appear in: Chemical Engineering Journal Received Date: 21 February 2020 Revised Date: 25 July 2020 Accepted Date: 12 August 2020 Please cite this article as: M. Mirghorayshi, A.A. Zinatizadeh, M.C.M. van Loosdrecht, Simultaneous biodegradability enhancement and high-efficient nitrogen removal in an innovative single stage anaerobic/anoxic/ aerobic hybrid airlift bioreactor (HALBR) for composting leachate treatment: process modeling and optimization, Chemical Engineering Journal (2020), doi: https://doi.org/10.1016/j.cej.2020.127019 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier B.V.