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KMID : 0382420020280010079
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Korean Journal of Environmental Health Society
2002 Volume.28 No. 1 p.79 ~ p.84
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Operational characteristics and application of reactor using entrapped microorganism in the sewage treatment
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Cha Su-Gil
Lee Bung-Hyun
Jeong Seung-Hyun
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Abstract
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Entrapped media with cellulous triacetate in which activated sludge was applied to induce operating factors and sewage treatment on site- The results are summarized as follows; The treatment efficiency of entrapped media is 92%, 90% and 80% at the size of 5mm, 7mm, and l2mm, respectively- Also, treatment efficient rate was increased by the packed amount of media in less than 30 % packed- while in more than 40 % packed that was decreased. it takes 10 day Io reach the steady stales and it is less than the existing activated sludge method. The slopes of oxygen consumption rate are almost parallel both in the entrapped media and free sludge- When organic loading rate is less than l.0 kg/m³· d on site, it is achieved good removal rate independent of changes of loading rate.
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