Accepted Manuscript Cost-Effective Alkylammonium Formate-Based Protic Ionic Liquids For Methane Hydrate Inhibition Tausif Altamash, Majeda Khraisheh, M. Fahed Qureshi, Mohammad Ali Saad, Santiago Aparicio, Mert Atilhan PII: S1875-5100(18)30346-9 DOI: 10.1016/j.jngse.2018.08.002 Reference: JNGSE 2674 To appear in: Journal of Natural Gas Science and Engineering Received Date: 28 March 2018 Revised Date: 1 July 2018 Accepted Date: 10 August 2018 Please cite this article as: Altamash, T., Khraisheh, M., Qureshi, M.F., Saad, M.A., Aparicio, S., Atilhan, M., Cost-Effective Alkylammonium Formate-Based Protic Ionic Liquids For Methane Hydrate Inhibition, Journal of Natural Gas Science & Engineering (2018), doi: 10.1016/j.jngse.2018.08.002. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. 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.