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Answers: in a wastewater to keep pH at 7 what must be the grams of KH2PO4 and K2 - Wastewater
| Answers: in a wastewater to keep pH at 7 what must be the grams of KH2PO4 and K2 I dont know how much buffer must be added to an industrial wastewater to keep pH at 7. a detailed answer will be appreciated 500ml wastewater. original pH=4.7. COD: 37000 mg/l. I arranged C:N:P as 100:5:2, so... how to know, how to calculate buffer need?... in 500 ml reactor. with a 850 mg/l seed (MLVSS). (actually mlvss concentration in reactor is 2200, but i only added 850mg/l seed. other part most probably coming from ww itself.) first day I used NaOH to make pH 7. But next day I saw that pH raised to 9 . And filterability of ww worsened. Though I used diluted H2SO4 and make pH 7 again, the filterability never turned to normal. |
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