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Quantitation of n-Hexane Extractable Material (HEM) and Estimation of Annual Pollutant Loading Rate by Sewage Sludge Applicated to Land
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 Title & Authors
Quantitation of n-Hexane Extractable Material (HEM) and Estimation of Annual Pollutant Loading Rate by Sewage Sludge Applicated to Land
Nam, Jae-Jak; Park, Woo-Kyun; Lim, Dong-Kyu; Lee, Sang-Hak;
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 Abstract
To estimate annual pollutant loading rate of n-hexane extractable material (HEM) to soil 84 sewage sludge samples were analyzed. The average content of HEM was 27.726.5 g/kg, and ranged from 1.05 to maximum 194 g/kg. According to the number of population of the city the areas were classified as five regions, i.e. big, large, middle, small, and rural area in which the waste water treated plants were grown. The contents of HEM were 22.716.7, 33.325.8, 22.08.7, 31.038.8, 27.725.1 g/kg, in big, large, middle, small, and rural area, respectively. The applicated areas with sewage sludge to land also were divided as 4 sites by US EPA criteria such as agricultural, forest, public contact sites, and reclamation site. The quantitation of annual pollutant loading rate was estimated using a function (99 percentile concentration = + 3) when the application amounts were in dosages of 7,000, 26,000, 18,000, 74,000 kg/ha in 5 regions, respectively. The annual pollutant loading rate of HEM to soil by sewage sludge application was maximum 1,032, 3,832, 2,653, and 10,908 kg/ha in agricultural, forest, public contact sites, and reclamation site, respectively.
 Keywords
hexane extractable material;HEM;sewage sludge;loading rate;
 Language
Korean
 Cited by
1.
한국의 프리저브드 플라워 시장 분석,권혜진;

한국인간식물환경학회지, 2014. vol.17. 5, pp.387-394 crossref(new window)
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