Techno-economic analysis of a biological desulfurization process for a landfill gas in Korea

We report techno-economic analysis of a biological desulfurization process to remove H 2 S and to produce sulfur from a landfill gas (2000 m 3  h −1 ) produced in Korea. With a process simulation model developed using Aspen Plus®, parametric assessment to determine the effect of various operating pa...

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Bibliographic Details
Published in:Separation science and technology 2018-11, Vol.53 (17), p.2769-2781
Main Authors: Heo, Juheon, Lee, Boreum, Kim, Sehwa, Kim, Jong-Nam, Lim, Hankwon
Format: Article
Language:English
Subjects:
Biological activity
cash flow diagram
Computer simulation
Desulfurization
Desulfurizing
Economic analysis
Feasibility studies
Flow rates
Flow velocity
Hydrogen sulfide
Landfill
Landfill gas
Landfills
Net present value
Payback periods
process simulation
Simulation
Sodium hydroxide
Sulfur
Sulphur
techno-economic analysis
Waste disposal sites
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Summary:We report techno-economic analysis of a biological desulfurization process to remove H 2 S and to produce sulfur from a landfill gas (2000 m 3  h −1 ) produced in Korea. With a process simulation model developed using Aspen Plus®, parametric assessment to determine the effect of various operating parameters such as a NaOH flow rate, a NaOH concentration, and a recycle ratio has been carried out. Based on results from process simulation, economic analysis was conducted to evaluate feasibility of this technology in Korea through a cash flow diagram, net present value (NPV), and discounted payback period (DPBP). It was demonstrated that DPBP of 6.9 years and NPV of 0.39 MM$ were obtained with a 10% discount rate.
ISSN:0149-6395
1520-5754
DOI:10.1080/01496395.2018.1473878