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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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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.
Infectious diseases;Optimal degradation;Animal cadavers;Hydrolysis methods;
 Cited by
가축사체 랜더링 부산물의 액비화를 위한 산 및 알칼리 분해제별 분해율과 분해속도 평가,서영진;서동철;최익원;강세원;이상규;성환후;김태승;김현구;박선화;강석진;조주식;

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