Experimental adsorption isotherm of methane onto activated carbon at sub- and supercritical temperatures

Kazi Afzalur Rahman, Wai Soong Loh, Hideharu Yanagi, Anutosh Chakraborty, Bidyut Baran Saha, Won Gee Chun, Kim Choon Ng

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

This paper presents the experimentally measured adsorption isotherm data for methane onto the pitch-based activated carbon type Maxsorb III for temperatures ranging from (120 to 220) K and pressures up to 1.4 MPa. These data are useful to study adsorbed natural gas (ANG) storage systems when the low temperature natural gas regasified from the liquid phase is considered to charge in the storage chamber. Adsorption parameters were evaluated from the isotherm data using the Tóth and Dubinin-Astakhov models. The isosteric heat of adsorption, which is concentration- and temperature-dependent, is extracted from the data. The Henry's law coefficients for the methane/Maxsorb III pairs are evaluated at various temperatures.

Original languageEnglish
Pages (from-to)4961-4967
Number of pages7
JournalJournal of Chemical and Engineering Data
Volume55
Issue number11
DOIs
Publication statusPublished - Nov 11 2010

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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