eprintid: 8400
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/00/84/00
datestamp: 2023-11-09 16:20:18
lastmod: 2023-11-09 16:20:18
status_changed: 2023-11-09 16:12:34
type: article
metadata_visibility: show
creators_name: Mandal, P.C.
creators_name: Nasir, H.S.M.
title: Total acid number reduction of naphthenic acid using subcritical methanol: A kinetic study
ispublished: pub
note: cited By 0
abstract: The aim of this study is to explore the capability of subcritical methanol to reduce the acidity of naphthenic acids and to determine reaction kinetics for large-scale reactor design. The experiments were carried out in a 25 mL autoclave reactor (China) at temperatures of 70-120oC, Methanol Partial Pressures (MPPs) of 0.1-1.5 MPa, and reaction times of 0-60 min. The total acid number content of the samples was analyzed using ASTM D 974 techniques. Experimental results reveal that total acid number reduction of naphthenic acids increased with increasing reaction temperature, MPP, and reaction time. Approximately 74.20 total acid number was reduced at a temperature of 120oC, a MPP of 1 MPa, and a reaction time of 60 min. Experimental data revealed that total acid number removal reaction kinetics followed second-order kinetics with an activation energy of 11.27 kcal/mol. Therefore, subcritical methanol is able to reduce the total acid number of naphthenic acids without the addition of any catalyst. © 2018, Iranian Journal of Chemistry and Chemical Engineering. All rights reserved.
date: 2017
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85044451650&partnerID=40&md5=349274c3679dc3fb5d8d2abe8060b744
full_text_status: none
publication: Iranian Journal of Chemistry and Chemical Engineering
volume: 36
number: 5
pagerange: 143-147
refereed: TRUE
issn: 10219986
citation:   Mandal, P.C. and Nasir, H.S.M.  (2017) Total acid number reduction of naphthenic acid using subcritical methanol: A kinetic study.  Iranian Journal of Chemistry and Chemical Engineering, 36 (5).  pp. 143-147.  ISSN 10219986