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计算过程

铝盐除磷加药计算:

进水水量
m3/h
进水总磷
mg/L
出水总磷
mg/L
需用系数
无量纲
铝盐含量
无量纲

注意,铝盐含量指投加溶液中的铝盐含量

铝盐除磷污泥计算:

进水水量
m3/h
进水总磷
mg/L
出水总磷
mg/L
需用系数
无量纲

点击按钮进行计算

计算结果

铝盐加药计算结果:

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铝盐污泥计算结果:

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计算依据

铝盐加药计算依据:

1、根据反应方程式:Al3++HnPO4(3-n)-=AlPO4↓+nH+可知,摩尔质量比 KAP=TA/TP为:27/31=0.87

2、铝的理论需求量TA=KAP*TP=摩尔质量比*磷的去除量

3、根据需用系数计算铝的实际需求量PA=KA*TA=需用系数*理论需求量

4、根据药剂有效含量计算单位投加量

5、根据日流量及单位投加量计算每日投加量

铝盐污泥计算依据:

1、根据反应方程式:Al3++PO43-=AlPO4↓可知,磷酸铝与磷的摩尔质量比MAP:122/31=3.94

2、磷酸铝污泥产量WAP=MAP*TP*Q/1000可以计算(以P作为计算)

3、根据反应式Al3++3OH-=Al(OH)3↓可知,磷酸铝与磷的摩尔质量比MAP:78/27=2.89

4、参与反应的铝离子(Al3+)量DAH=(KA-1)*TA,即根据需用系数多余的部分铝盐被沉淀(以Al作为计算)

5、氢氧化铝污泥产量WAH=MAH*DAH*Q/1000可以计算

6、总污泥量=磷酸铝污泥产量+氢氧化铝污泥产量

需用系数以及有效含量参考如下:

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