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Selection of Optimal Degradation Agents for Hydrolysis of Animal Cadavers
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 Title & Authors
Selection of Optimal Degradation Agents for Hydrolysis of Animal Cadavers
Seo, Young-Jin; Seo, Dong-Cheol; Choi, Ik-Won; Kang, Se-Won; Lee, Sang-Gyu; Sung, Hwan-Hoo; Kim, Tae-Seung; Kim, Hyun-Goo; Park, Sun-Hwa; Kang, Seok-Jin; Cho, Ju-Sik;
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 Abstract
Many infectious diseases have emerged or re-emerged during the past 50 years in South Korea. There were three outbreaks of foot and mouth disease (FMD) in South Korea between January 2010 and March 2011. Over 3.45 million animals were slaughtered (33.3% of the existing pigs, 8.4% of dairy cows and 3.4% of cattle). To select optimal degradation agents of animal cadavers, degradation rates and fertilizer components of pig cadavers were investigated using hydrogen chloride (HCl), potassium hydroxide (KOH) and sodium hydroxide (NaOH) hydrolysis methods. Degradation rates of pig cadavers using HCl, KOH and NaOH were 81.1, 82.8 and 91.6%, respectively. Total nitrogen (T-N) concentration in degradation solution of pig cadavers using KOH hydrolysis method was higher than that in NaOH and HCl hydrolysis methods. Total phosphorus () concentrations in degradation solution of pig cadavers in all hydrolysis methods ranged 0.14 ~ 0.28%. Total potassium () concentration for KOH hydrolysis method was higher than that for other hydrolysis methods. The concentration of T-N and in degradation solution of pig cadavers by KOH hydrolysis method were higher than that in NaOH and HCl hydrolysis methods. Thus, to recycle animal cadavers in agriculture, the optimal degradation agent for hydrolysis was KOH.
 Keywords
Infectious diseases;Optimal degradation;Animal cadavers;Hydrolysis methods;
 Language
Korean
 Cited by
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한국토양비료학회지, 2012. vol.45. 5, pp.810-816 crossref(new window)
2.
폐가축사체의 농업적 재활용을 위한 가축사체 액상부산물의 액비화 조건 구명,서영진;서동철;강세원;이상규;박주왕;최익원;성환후;강석진;조주식;

한국환경농학회지, 2013. vol.32. 4, pp.348-354 crossref(new window)
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Degradation Rate and Velocity under Different Acidic and Alkaline Degradation Agents for Liquid Fertilizer of Rendering By-product, Korean Journal of Soil Science and Fertilizer, 2012, 45, 5, 810  crossref(new windwow)
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Liquid-Composting Conditions of By-product Obtained from Degradation of Animal Carcass for Agriculture Recycling, Korean Journal of Environmental Agriculture, 2013, 32, 4, 348  crossref(new windwow)
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