Preparation of Active Carbon Adsorbents from Elutrilithe via K2CO3 Activation

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (3): 49-52.

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Preparation of Active Carbon Adsorbents from Elutrilithe via K₂CO₃ Activation

Deng Xiaohu, Yue Yinghong, Gao Zi

Department of Chemistry, Fudan University, Shanghai 200433

Received:1996-07-25 Revised:1997-04-08 Published:1997-06-10 Online:1997-06-10

Abstract

Abstract: Active carbon adsorbents suitable for wastewater treatments were prepared from natural elutrilithe by chemical activation with K₂CO₃. The effect of the activation conditions on the specific area, porosity and ash content of the adsorbent was investigated. The qualities of the adsorbent are further improved via additional simple prior and post treatments. An ideal active carbon adsorbent with a BET specific area of 1236 m²/g and a total pore volume of 0.679 cm³/g was obtained. The adsorbents are hydrophobic in nature and exhibit large adsorption capacities for various phenolic compounds from aqueous solutions.

Key words: elutrilithe, active carbon, chemical activation, preparation, wastewater treatment

Deng Xiaohu, Yue Yinghong, Gao Zi. Preparation of Active Carbon Adsorbents from Elutrilithe via K₂CO₃ Activation[J]. Chinese Journal of Applied Chemistry, 1997, 0(3): 49-52.

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Preparation of Active Carbon Adsorbents from Elutrilithe via K₂CO₃ Activation

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