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The Purification of Rural Sewage with Twain-Biological Filtration

机译：吐温-生物滤池净化农村污水

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摘要

The Anaerobic-Oxic Biological Twain Filtration (A-O Twain-Biological Filtration) proposed in this paper was adopted to remove organisms,ammoniac nitrogen and other toxic substances from rural sewage.When the filter hydraulic load was 0.40m3/(m2·d),the removal efficiency was 58.1%.for CODcr,55.4% for BOD5 and 72.4% for NH3-N.Processed water met the national first-grade emission standard for biological treatment (GB8978-1996).Organic,ammoniac nitrogen pollutants and other pollutants in rural sewage were effectively removed.The system was hopeful to become a new effective,inexpensive and easily-maintained treatment way to control water body pollution in rural areas.
机译：本文提出的厌氧-生物滤池（AO Twain-Biological Filtration）用于去除农村污水中的生物，氨氮和其他有毒物质。当滤池水力负荷为0.40m3 /（m2·d）时，去除效率为58.1％，CODcr，BOD5为55.4％，NH3-N为72.4％。处理水达到了国家一级生物处理排放标准（GB8978-1996）。农村有机，氨氮污染物和其他污染物该系统有望成为一种控制农村水体污染的有效，廉价，易维护的新处理方式。

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