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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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An ion exchange biofiltration, which is a naturally occurring zeolite selective for ammonium ion exchange, has been studied for nitrogen removal from drinking water. It is well known that natural zeolite possesses good cation exchange capacity. Bach isotherm experiments were conducted for measuring ammonium ion exchange capacity. The ammonium ion exchange capacity of the zeolite which composes zc100B and zc200B, were determined by the Freundlich equation. The ammonium ion exchange capacity of zc100B and zc200B were 0.638C0.118 and 0.851C0.176 respectively. The accumulated removal quantity per bed volume of ammonium ion show in the exponential function per bed volume. The ammonium ion accumulated removal quantity with bed volume were 6.33(BV)1.271 and 0.78Ln(BV)1.269 respectively. Biofiltration for the advanced treatment of drinking water was developed and experimentally discussed with a pilot plant. The ion exchange rate and the biodegradation rate of zc100B and zc200B were 0.011, 0.016g/zc kg․day and 0.016, 0.025g/zc kg․day.
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