Preparation of novel adsorbent from coal for adsorptive removal of nitrogen compounds from liquid hydrocarbon streams

Cigdem Shalaby, Ma Xiaoliang, Chunshan Song

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The objective of the present study is to develop a nitrogen-selected adsorbent (NSA) from coal with high performance for selective adsorption and separation of the nitrogen compounds from liquid hydrocarbon streams for producing ultra clean fuels. The effects of coal ranks, activation methods, and activation agents on the adsorption performance of NSAs were examined. The NSAs were evaluated in the batch and flow adsorption systems by using both a model fuel and a real coal-derived distillate, and compared with the best commercial activated carbons tested in our laboratory. The physiochemical properties of the adsorbents were further characterized by N2 adsorption and temperature-programmed desorption (TPD), and correlated with their adsorption performance. It was found that the chemical activation of a lignite coal with NaOH or H3PO4 as an activating agent can produce an excellent NSA for removing the nitrogen compounds from the liquid hydrocarbon streams. The prepared NSAs have much higher capacity and selectivity than the best commercial activated carbon. The better performance of the NSAs can be attributed to their higher oxygen-containing functional groups on the surface.

Original languageEnglish (US)
Title of host publicationAmerican Chemical Society - 238th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers
StatePublished - 2009
Event238th National Meeting and Exposition of the American Chemical Society, ACS 2009 - Washington, DC, United States
Duration: Aug 16 2009Aug 20 2009

Other

Other238th National Meeting and Exposition of the American Chemical Society, ACS 2009
CountryUnited States
CityWashington, DC
Period8/16/098/20/09

Fingerprint

Nitrogen Compounds
Nitrogen compounds
Coal
Hydrocarbons
Adsorbents
Adsorption
Liquids
Chemical activation
Activated carbon
Nitrogen
Lignite
Temperature programmed desorption
Functional groups
Oxygen

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Shalaby, C., Xiaoliang, M., & Song, C. (2009). Preparation of novel adsorbent from coal for adsorptive removal of nitrogen compounds from liquid hydrocarbon streams. In American Chemical Society - 238th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers
Shalaby, Cigdem ; Xiaoliang, Ma ; Song, Chunshan. / Preparation of novel adsorbent from coal for adsorptive removal of nitrogen compounds from liquid hydrocarbon streams. American Chemical Society - 238th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. 2009.
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Shalaby, C, Xiaoliang, M & Song, C 2009, Preparation of novel adsorbent from coal for adsorptive removal of nitrogen compounds from liquid hydrocarbon streams. in American Chemical Society - 238th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. 238th National Meeting and Exposition of the American Chemical Society, ACS 2009, Washington, DC, United States, 8/16/09.

Preparation of novel adsorbent from coal for adsorptive removal of nitrogen compounds from liquid hydrocarbon streams. / Shalaby, Cigdem; Xiaoliang, Ma; Song, Chunshan.

American Chemical Society - 238th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. 2009.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The objective of the present study is to develop a nitrogen-selected adsorbent (NSA) from coal with high performance for selective adsorption and separation of the nitrogen compounds from liquid hydrocarbon streams for producing ultra clean fuels. The effects of coal ranks, activation methods, and activation agents on the adsorption performance of NSAs were examined. The NSAs were evaluated in the batch and flow adsorption systems by using both a model fuel and a real coal-derived distillate, and compared with the best commercial activated carbons tested in our laboratory. The physiochemical properties of the adsorbents were further characterized by N2 adsorption and temperature-programmed desorption (TPD), and correlated with their adsorption performance. It was found that the chemical activation of a lignite coal with NaOH or H3PO4 as an activating agent can produce an excellent NSA for removing the nitrogen compounds from the liquid hydrocarbon streams. The prepared NSAs have much higher capacity and selectivity than the best commercial activated carbon. The better performance of the NSAs can be attributed to their higher oxygen-containing functional groups on the surface.

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Shalaby C, Xiaoliang M, Song C. Preparation of novel adsorbent from coal for adsorptive removal of nitrogen compounds from liquid hydrocarbon streams. In American Chemical Society - 238th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. 2009