Adsorption Characteristics of Acetaldehyde on Activated Carbons Prepared from Corn-Based Biomass Precursor

作者：Park Kwang Hyun; Shim Wang Geun; Shon H K; Lee Sang Guk; Ngo Huu Hao; Vigneswaran S; Moon Hee^*

来源：Separation Science and Technology, 2010, 45(8): 1084-1091.

DOI：10.1080/01496391003697002

• acetaldehyde
• activated carbon
• adsorption
• corn grain
• water vapor

The ACs (R-1/2 and R-1/4) having two different textual and chemical properties are prepared from corn-based biomass precursor and evaluated together with a wood-based activated carbon (WAC) at room temperature using a gas chromatograph. The results obtained from the correlation studies indicate that the pore size distribution (below 8 angstrom) and the relatively lower energetic heterogeneity of ACs on acetaldehyde adsorption are considerable factors rather than that of a specific surface area and surface chemistry. The adsorption equilibrium of ACs is well correlated with the Sips equation. The pseudo second-order equation was better in describing the ACs' adsorption kinetic of acetaldehyde.

• 出版日期2010