݄ЙC(j)݄ ̼݄ ݄
ЙC(j)݄^ɫҺwǿͨˮ̎ģ@ɷNǿõBҺͷBĤwϵ
̼݄ ݄^o(w)ɫߵSɫҺwҪڷBˮ̎ϵy(tng)
݄ϡጷ
1. O(sh)1000kg 40%ԭҺ݄Ҫϡጳ5%݄
1000kg40%=400
4005%=8000kg5%݄
8000kg1000kg=7000kgˮ
Ҳf(shu)1000kg 40%ԭҺ݄(f)5%݄Ҫ7000kgˮ
2. ˮ2.5%ˮ
O(sh)Ҫ1000kgˮ
975kgˮ+25kg턩+12.5kg ( 10%NaOHˮҺ)
ע⣺ȷˮټ턩ȻÉAˮ10%NaOHҺСĵذ턩ˮҺpHֵ{(dio)(ji)6.5~7.06.5ע⮔(dng)ˮҺĜ\ɫu׃r(sh)ճҲ˕r(sh)Aˮʮ־ӣ
úõˮ뾏裨ע┇D(zhun)M30D(zhun)/ԃ(ni)݄У݄0.3%ķ^m(x)5miny(c)pHֵǷ7.0~7.5֮gϸɳϡ
֮Դˮ̎˾l(f)ЙC(j)݄݄̼݄B蹸蹸۱ϩۺȻX