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Effect of Sawdust Mixing Ratio on Composting of Animal Cadaver Residue Using Rendering Treatment Method
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 Title & Authors
Effect of Sawdust Mixing Ratio on Composting of Animal Cadaver Residue Using Rendering Treatment Method
Choi, Ik-Won; Seo, Dong-Cheol; Kang, Se-Won; Seo, Young-Jin; Lee, Sang-Gyu; Sung, Hwan-Hoo; Heo, Jong-Soo; Kang, Seog-Jin; Cho, Ju-Sik;
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In order to obtain optimum mixing conditions with animal cadaver residue and sawdust for composting using rendering treatment method for agricultural recycling, changes of chemical characteristics and compost quality after composting were investigated. Initial mixing ratios with animal cadaver residue and sawdust were adjusted 100 : 0, 50 : 50 and 30 : 70. Temperature, pH, contents of ammonia and carbon dioxide were rapidly increased in 3 days and then decreased with time. Organic matter content was similar in all conditions. In mixing ratio of 50 : 50, the compost quality was satisfied with compost depending on official standard for product fertilizer. Thus, the optimum mixing ratio of animal cadaver residue and sawdust were 50 : 50.
Recycling;Rendering treatment;Animal cadavers;Sawdust;Compost;
 Cited by
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