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- Title
Activated Carbon from Lignocellulosic Waste Residues: Effect of Activating Agent on Porosity Characteristics and Use as Adsorbents for Organic Species.
- Authors
Olorundare, O.; Msagati, T.; Krause, R.; Okonkwo, J.; Mamba, B.
- Abstract
This paper reports on the effect of activating agents such as the impregnation ratio of phosphoric acid (1:1-1:5) at constant activation temperature on the performance of porous activated carbon from waste residues (maize tassel). The variation in the impregnation ratio of the produced activated carbon (AC) from 1:1 to 1:5 enabled the preparation of a high surface area (1,263 m/g) and a large pore volume (1.592 cm/g) of AC produced from maize tassel (MT) using a convectional chemical activating agent (phosphoric acid). Impregnation ratios (IR) of the precursors were varied between 1:1 and 1:5 in which it was found that the ratio of 1:4 was optimal based on the high surface area, while 1:5 has the optimal pore volume value for the produced activated carbon.
- Subjects
LIGNOCELLULOSE biodegradation; FLUID dynamic measurements; POROSITY; SORBENT testing; ACTIVATED carbon -- Environmental aspects; ENVIRONMENTAL monitoring
- Publication
Water, Air & Soil Pollution, 2014, Vol 225, Issue 3, p1
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-014-1876-2