Shuitu Baochi Xuebao, 2007 通过土柱模拟淋洗试验,研究了施用等量有机复合肥条件下,不同酸度模拟酸雨对赤红壤氮磷淋失特征的影响。结果表明,铵态氮、硝态氮、无机氮和总氮淋失量均随酸雨pH值增大而下降;pH 2.0模拟酸雨和对照(pH 6.5)的无机氮和总氮淋失量差异不显著,但均显著高于pH 3.0、pH 4.0和pH 5.0酸雨;pH 5.0模拟酸雨无机氮和总氮淋失量均最低,表明强酸性酸雨和中性淋洗液均促进氮淋失,而酸度与土壤接近的酸雨减少氮淋失。与对照相比,模拟酸雨对DP淋失无显著影响,但显著降低PP和TP淋失 ...
曾曙才 +3 more
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Gongye shui chuli, 2012 为缓解太湖沿岸陈藻池富藻水对周边水环境的威胁,需对含高有机物、高氮磷的富藻水进行处理,为达到成本低廉、工艺完备、处理彻底、氮磷资源利用充分的目标,采用脉冲渠槽厌氧反应器/氧化沟/水生蔬菜人工湿地组合工艺进行了工程规模的试验研究。结果表明,在脉冲渠槽厌氧反应器水力停留时间为3~5 d、氧化沟水力停留时间为8~10 h、推流型水生蔬菜人工湿地负荷约为0.1~0.3 m3/(m2.d)的条件下,该组合工艺对COD、TN、TP的平均去除率分别为96%、94%和98%。
简正, 吕锡武
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