Paper Title:
Preparation of Adsorbent from Blue Coke Powder and its Application in Coking Wastewater
  Abstract

The low-cost blue coke industrial by-product, blue coke powder was used as raw material for the production of porous carbons adsorbent by steam activating at temperature of 800°C under the atmosphere of N2 for 60 minutes. The specific surface area and pore properties of the adsorbent were characterized by using N2 adsorption-desorption isotherms. Furthermore, the adsorption effects of the adsorbent for ammonia nitrogen in coking wastewater were investigated in terms of particle size, dosage of absorbent and adsorption time. The results show that the specific surface area is 620.94m2/g, the total pore volume is 0.4442cm3/g and the average mesopore size is 4.5808nm, the adsorbent possesses predominant mesoporous structures. In aeration, the removal rate of ammonia nitrogen can reach to 39.5% under the conditions of the ammonia nitrogen concentration of 625mg/L, the dosage of adsorbent 10g/L at the adsorption time of 60 minutes.

  Info
Periodical
Edited by
Hyungsun Kim, Jian Feng Yang, Chuleol Hee Han, Somchai Thongtem and Soo Wohn Lee
Pages
553-556
DOI
10.4028/www.scientific.net/MSF.695.553
Citation
Y. H. Tian, X. Z. Lan, Q. L. Zhang, J. Q. Xue, Y. H. Song, L. B. Li, "Preparation of Adsorbent from Blue Coke Powder and its Application in Coking Wastewater", Materials Science Forum, Vol. 695, pp. 553-556, 2011
Online since
July 2011
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$32.00
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