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Effect of Nutrients on Biological Nitrification

机译:营养对生物硝化作用的影响

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Biological nitrification is the most commonly used process for nitrogen removal from wastewater. Nitrification is carried out in two steps. First ammonia is converted to nitrite by ammonia oxidizing bacteria. In the second step nitrite oxidizing bacteria convert nitrite to nitrate. The study involves the effect of nutrients (both organic and inorganic components) on biological nitrification and the optimum concentrations of di-sodium hydrogen phosphate, potassium di-hydrogen phosphate, sodium hydrogen phosphate, sucrose and ferric chloride were observed over ammonium ion removal. The effect of dissolved oxygen also was studied and maximum percentage removal of ammonium ion was found to be 89.2%.
机译:生物硝化是从废水中去除氮的最常用方法。硝化过程分两个步骤进行。首先,氨会被氨氧化细菌转化为亚硝酸盐。在第二步中,亚硝酸盐氧化细菌将亚硝酸盐转化为硝酸盐。该研究涉及营养物质(有机和无机成分)对生物硝化的影响,在去除铵离子的过程中,观察到了磷酸氢二钠,磷酸二氢钾,磷酸氢钠,蔗糖和氯化铁的最佳浓度。还研究了溶解氧的影响,发现最大去除铵离子的百分比为89.2%。

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