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????ʱ?䣺2015-5-29 | ????¼?룺??վ | ??????Դ??ԭ??

 һ????Ʒ????

 

    ??????ˮ??Դ???????ŷ??????绯?ʡ???????ʯ??????ҩ??ʳƷ?????????񳡵Ⱦ???????????Ũ?Ȱ?????ˮ????????????ˮ????ˮ?岻??????ˮ??Ӫ?????????ˮ??ڳ??????ҽ????Ӹ?ˮ???????ѶȺͳɱ???????????Ⱥ????????????????á???Ȼ??????????ˮ?Ĵ????????ж??֣?????Ŀǰ??û??һ???ܹ???????̼򵥡?Ͷ??ʡ?????????졢???Ʒ????Լ??޶?????Ⱦ?ȸ???????ļ?????

 

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    ?ҹ?˾?????İ???????ϵͳͨ???????????Ѻ????????????ȶ???????????????????ͬŨ?ȵİ?????ˮ?????Խ?10000mg/L???ϵİ?????ˮ???????ŷ?Ҫ?󡣴?????İ???Ũ????15mg/L???£??ﵽ????һ???ŷű?׼????һ???ܹ???????̼򵥡?Ͷ??ʡ?????????졢???Ʒ????Լ??޶?????Ⱦ???ص?İ???????ϵͳ????ͳ???????ѳ????İ???????????????????Ȼ?????????????Ⱦ???ҹ?˾?ڰ????????????????????????????Ӷ?ʹ????????Ŀ???Ϊ??????????壬????Ⱦ??

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???????ԭ??˵??

    ?????ڷ?ˮ????Ҫ??????ӣ?NH4+???????백??NH3??״̬???ڣ???ƽ???ϵ??????ʾ?? NH3+H2O—NH4+ +OH-   ?????ϵ??pHֵ??Ӱ?죬??pHֵ??ʱ??ƽ???????ƶ??????백?ı??????󡣳???ʱ????pHֵΪ7????ʱ????????????????״̬???ڣ???pHΪ11????ʱ?????백????ռ98%?????백???ڴ?ˮ???ݳ?????????????Ļ???????Դ?ʹ????ˮ???ݳ???????,PH??Ч???ؼ???

??ͬpH???¶??°?????????ʣ?????

pH
20??
30??
35??
9.0
25
50
58
9.5
60
80
83
10.0
80
90
93
11.0
98
98
98

   ??ʵ?ʹ????д????ô??????????????Ĺ????????Һ?Ӵ?װ?ã????????ڲ???????ϣ???????߽Ӵ??????????pHֵ???ˮ???????ϲ????????????϶??γ?ˮ?Σ?˳?????ϵļ?϶?ε????£????ɷ???????????ϴ??͵Ŀ????????Ӵ?????ɴ??ʹ??̣?ʹ????Һ??תΪ???࣬??????ŷţ???ɴ??ѹ??̣??ѳ??ʴ?75?????ϡ???Ũ?ȷ?ˮͨ???ڳ??????ÿ??????ѣ?????Ũ?ȷ?ˮ???ڼ???״̬?½??д??ѡ?

    ???Ѻ?İ????????백?????վ?????????Щ????ʹ??????????Һ??????ѧ??Ӧ????ʹ???????ŷš?????Ⱦ??

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??????????????ϵͳѡ?ͼ?????

    ??Ϊÿ???û???Ҫ????ˮ?а?????Ũ?ȡ??¶ȼ?????ˮ??ͬ???û???ѡ??ʱһ??Ҫ?Ⱥ??ҹ?˾??ϵ?????ǻ?????û?ѡ?񾭼?ʵ?ݡ???????ֵ???豸??

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?ģ?ϵͳ?ص??빤??????

??1????ͨ????Ϲ??գ??ܴ?????ͬŨ?ȵķ?ˮ??????ȥ???ʸߣ???????ﵽ????һ???ŷű?׼≤15 mg/L???¡?

??2???????ܺġ??ͳɱ???ÿ?ַ?ˮ?Ĵ????ɱ???5-10Ԫ??ԶԶ???ڴ?ͳ???յĴ????ɱ?15-25Ԫ/?֡?

??3????ϵͳ?????ķ???ȫ?????백????ϵͳ??ʹ???????????ӻ?????

??4?????豸?ڲ???Ƹ??Ӻ?????????˵???????Դ???Ч?ʵ?Ӱ??ͳ?ʱ?????к????ϵĶ??????⡣

(5) ???豸???ò????ֲ??ʻ?̼?ַ??????ʽ??мӹ???????˴?ͳ?豸ʹ????ˮ??ʴ???????????϶̵????⡣

 

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