Techno-economic Analysis of Hydrodeoxygenation of Vegetable Oil for Production of Green Diesel Using Aspen Plus

Mailaram, Swarnalatha (2015) Techno-economic Analysis of Hydrodeoxygenation of Vegetable Oil for Production of Green Diesel Using Aspen Plus. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

Techno-economic analysis is extremely important to demonstrate suitability of a process for potential forthcoming commercial developments. Hydrodeoxygenation (HDO) of triglycerides (vegetable oil, animal fat, waste cooking oil, and microalgal oil) is a potential approach for production of renewable diesel (green diesel) suitable for direct application in existing internal combustion engine thereby mitigating emission of harmful and greenhouse gases. The present work provides conceptual process design and economic feasibility analysis for HDO of inedible karanja oil for production of green diesel using Aspen plus. Two alternative routes for HDO of karanja oil were considered in the present work: direct and two -step HDO. In the present work, the karanja oil (non-databank compound) was considered as a mixture of triglycerides containing three same fatty acid groups in the structure. The physic-chemical properties of these non-databank triglycerides were included in Aspen Plus to regress property method. The regressed property method was then used for techno-economic analysis for various plant capacities. The unitary production cost of green diesel depends largely on plant capacity and cost of karanja oil. The unitary production cost of green diesel decreased significantly with increasing plant capacity and decreasing cost of karanja oil.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: Hydrodeoxygenation, Green Diesel, Direct HDO, Two- Step HDO, TD388
Subjects: Chemical Engineering > Oils, fats, waxes, gases
Chemical Engineering > Biochemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Library Staff
Date Deposited: 10 Jul 2015 10:30
Last Modified: 13 May 2019 11:48
URI: http://raiithold.iith.ac.in/id/eprint/1690
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