Characteristics of Pollutants Removal by Carbonized Porous Media Made from Sewage Sludge

Yeong Seok Yoo; Jun Ho Jo; Gyu Tae Seo

doi:10.4028/www.scientific.net/MSF.804.99

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HomeMaterials Science ForumMaterials Science Forum Vol. 804Characteristics of Pollutants Removal by...

Characteristics of Pollutants Removal by Carbonized Porous Media Made from Sewage Sludge

Abstract:

In this study, carbonized porous media was manufactured using sewage sludge and analyzed for pollutants removal characteristics. Sewage sludge produced by activated sludge sewage treatment contained much organics to be carbonized, so it was mixed with other mixtures, extruded and formed in ∅ 5~10 mm ball shape, and sintered at 900°C and 1 hour in furnace for carbonization under N₂ purge. The characteristics of the porous media was BET 35 m²/g and average pore size 39.3Å, pore volume 0.0092 cm³/g, Iodine number 45.9 and bulk density 0.91 cm³/g. Experiments were performed for SS, phosphate, nitrate and heavy metals (Cu, Zn). Its removal characteristics of SS and fertilizer components were compared with gravel’s used in filtration and its heavy metals removal was characterized by derivation of its adsorption equilibrium equations. In result, the carbonized porous media could be utilized as massive adsorption media for pollutant removal or fertilizer adsorption in fields of roof planting or non-point source pollutants control.

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Periodical:

Materials Science Forum (Volume 804)

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99-102

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.804.99

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Online since:

October 2014

Authors:

Yeong Seok Yoo*, Jun Ho Jo, Gyu Tae Seo

Keywords:

Carbonization, Porous Media, Roof Planting, Sewage Sludge

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