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【简答题】
h可行性研究的结果显示,原位生物修复技术中最佳的C:N:P摩尔比为100:10:1。计算生物修复汽油污染的营养物需求最(单位为kg)及费用。 h计算时应用以下假设: h土堆的体积=287m3; h土堆内的初始汽油量=158kg;土壤孔隙度=0.35; h汽油的分子式(假设)为C7H16; h天然存在于土壤中的N和P的量很少; h以磷酸钠(Na3PO4·12H2O)作为P源,价格为154元/kg;以硫酸铵((NH4)2SO4)作为N源,价格为46元/kg;营养物只添加一次。
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