| 3. | Related elucidation : in the above data , from the entry - level pure water to pure water , it measures to 75 % for . namely each 1 . 25 rise the entry - level pure water can produce pure water 1 rise , the running water system is pure aqueous of parameter is also such , from above the data can see , in make take the circuit plank the production have to of the purely aqueous process , adoption collections waste water of way , make the waste water get and return and use in water , reduce waste water and exhaust in the meantime , in this process , not only a great deal of decrease the waste water exhaust quantity , and list make water cost but talk , use waste water each time produce on signing square and pure water , can decline low cost 0 . 34 dollars at least , more important can lower waste water and exhaust quantity consumedly
相关说明:以上数据中,从初级纯水到纯水,其为出量为75 % .即每1 . 25升初级纯水可以产纯水1升,自来水制纯水的参数也是如此,由以上数据可以看出,在制取线路板生产所必须的纯水的过程中,采用收集废水的方式,使废水得到中水回用,同时减少废水排放,在此过程中,不但大量减少了废水排放量,并且单就制水成本而言,用废水每生产一立方纯水,可至少降低成本0 . 34元,更重要的是可以大大降低废水的排放量 |
