Landfill gas (LFG) processing via adsorption and alkanolamine absorption

Ankur Gaur, Jin Won Park, Sanjeev Maken, Ho Jun Song, Jong Jin Park

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Landfill gas (LFG) was upgraded to pure methane using the adsorption and absorption processes. Different toxic compounds like aromatics and chlorinated compounds were removed using granular activated carbon. The activated carbon adsorbed toxic trace components in the following order: carbon tetrachloride > toluene > chloroform > xylene > ethylbenzene > benzene > trichloroethylene ≈ tetrachloroethylene. After removing all trace components, the gas was fed to absorption apparatus for the removal of carbon dioxide (CO2). Two alkanolamines, monoethanol amine (MEA) and diethanol amine (DEA) were used for the removal of CO2 from LFG. The maximum CO2 loading is obtained for 30 wt.% MEA which is around 2.9 mol L- 1 of absorbent solution whereas for same concentration of DEA it is around 1.66 mol L - 1 of solution. 30 wt% MEA displayed a higher absorption rate of around 6.64 × 10- 5 mol L- 1 min- 1. DEA displayed a higher desorption rate and a better cyclic capacity as compared to MEA. Methane obtained from this process can be further used in the natural gas network for city.

Original languageEnglish
Pages (from-to)635-640
Number of pages6
JournalFuel Processing Technology
Volume91
Issue number6
DOIs
Publication statusPublished - 2010 Jun 1

Fingerprint

Alkanolamines
Land fill
Amines
Gases
Adsorption
Processing
Poisons
Methane
Activated carbon
Tetrachloroethylene
Trichloroethylene
Xylenes
Carbon tetrachloride
Ethylbenzene
Carbon Tetrachloride
Toluene
Xylene
Chloroform
Chlorine compounds
Benzene

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

Gaur, Ankur ; Park, Jin Won ; Maken, Sanjeev ; Song, Ho Jun ; Park, Jong Jin. / Landfill gas (LFG) processing via adsorption and alkanolamine absorption. In: Fuel Processing Technology. 2010 ; Vol. 91, No. 6. pp. 635-640.
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Landfill gas (LFG) processing via adsorption and alkanolamine absorption. / Gaur, Ankur; Park, Jin Won; Maken, Sanjeev; Song, Ho Jun; Park, Jong Jin.

In: Fuel Processing Technology, Vol. 91, No. 6, 01.06.2010, p. 635-640.

Research output: Contribution to journalArticle

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