Preparation of Adsorbent from Blue Coke Powder and its Application in Coking Wastewater

Yu Hong Tian; Xin Zhe Lan; Qiu Li Zhang; Juan Qin Xue; Yong Hui Song; Lin Bo Li

doi:10.4028/www.scientific.net/MSF.695.553

Paper Titles

Microstructure and Strength Properties of AZ31 Mg Alloy Foams
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Anisotropic Tensile Deformation of Lotus-Type Porous Copper
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Micro-Porous Alumina Membrane Prepared by Dip Coating Using Latex Binder
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Preparation of Adsorbent from Blue Coke Powder and its Application in Coking Wastewater
p.553

Preparation of the Multi-Layer Copper and Nickel Foam by Electrodeposition
p.557

Effect of X-Ray Irradiation on the Current of P-N Diode
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Enhancement of Sensor Response by Au Nanoparticles Doping on ZnO Tetrapod Sensor
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Defects Study by Activation Energy Profile for Lowering Leakage Current in P-N Junction
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HomeMaterials Science ForumMaterials Science Forum Vol. 695Preparation of Adsorbent from Blue Coke Powder and...

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.

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Materials Science Forum (Volume 695)

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553-556

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.695.553

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Online since:

July 2011

Authors:

Yu Hong Tian, Xin Zhe Lan, Qiu Li Zhang, Juan Qin Xue, Yong Hui Song, Lin Bo Li

Keywords:

Adsorbent, Ammonia Nitrogen, Blue Coke Powder, Coking Wastewater, Steam Activating

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