Techno-economic feasibility analysis of the H2 recovery in bio-hydrogenated diesel (BHD) from palm oil process by methanol synthesis via ASPEN Plus

Name: Nitipat Phichitsurathaworn

Organization : Chulalongkorn University. Faculty of Engineering

Name: Lida Simasatitkul

Organization : King Mongkut's University of Technology North Bangkok. Faculty of Applied Science

Email : lida.s@sci.kmutnb.ac.th

Name: Suttichai Assabumrungrat

Organization : Chulalongkorn University. Faculty of Engineering

ThaSH: Biodiesel fuels

ThaSH: Hydrogen -- Analysis

ThaSH: Methanol -- Synthesis

Abstract: A bio-hydrogenated diesel (BHD) or Green diesel is an alternative fuel that can replace to conventional petroleum diesel. A simulation model of bio-hydrogenated diesel production process from palm oil is developed by Aspen Plus. The heterogeneous catalytic hydro-deoxygenation reaction of triglycerides operates high H2/oil volumetric ratio. It results in a large amount of hydrogen gas remaining in the gaseous by-product. Thus, the purification process for the separation process should be concerned. This work proposes two alternative processes. The first process involves conventional BHD process that including thermal separation process before hydrogen recirculation. The second process is BHD process coupled with methanol synthesis from gaseous by-product. The equipment sizing and process design of hydrogen gas recovery process of the BHD process are considered. As a results, the BHD process coupled with methanol synthesis offers more benefits comparing with the existing process in terms of hydrogen recovery and economic indicator. The second process recovers 46.27 percent of discharged hydrogen and reduces 39.42 percent of carbon dioxide and carbon monoxide emission from the conventional process. Furthermore, it provides high rate of return 13.58 percent and payback period of 1.24 year.

King Mongkut's University of Technology North Bangkok. Central Library

Address: BANGKOK

Email: library@kmutnb.ac.th

Created: 2020

Modified: 2024-10-24

Issued: 2024-10-24

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BibliograpyCitation : In the Chemical Society of Thailand under the Patronage of Professor Dr. HRH Princess Chulabhorn in association, Thammasat University Faculty of Science and Technology. The Pure and Applied Chemistry International Conference 2020 (PACCON 2020) (RE1-7). Bangkok : Thammasat University

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