Study on Treating Organic Polluted River by Bio-film Technology in Situ
Study on Treating Organic Polluted River by Bio-film Technology in Situ
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发表时间：
2009
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通讯作者：
Zhang Mei-lan
中科院分区：
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作者：
Zhang Mei-lan
采用生物膜技术处理污染河水和底泥，实验结果表明，底泥中的原生菌具有较强的微生物活性。在曝气条件下，原生菌可以在短时间内附着在生物载体上。之后，生物载体反应器的处理效率高于对照反应器，对照反应器中的有机物含量在9d内从12.21%下降到9.42%，而三种生物膜反应器中的有机物含量分别下降到7.24%、6.97%和7.52%。实验结果证明，生物膜技术对受有机物污染的河水和底泥具有良好的处理效果。
Bio-film technology used to treat organics polluted river was studied.Three types of bio-carriers were applied to treat polluted river water and sediment,and experimental result proved that original bacteria in river sediment have strong microorganism activity.Under aeration condition,original bacteria could attached to bio-carries in a short period.After that,bio-carries reactors have higher treatment efficiencies compared to the control reactor,and organic content in control reactor decreased from 12.21 % to 9.42 % in 9 days,whereas,it reduced to 7.24 %,6.97 % and 7.52 % respectively in three bio-film reactors,and experiment result proved that bio-film technology has an excellent treatment efficiency in treating organics polluted river water and sediment.