Chlorine dose required

phillyza · Feb 20, 2018

Good day.

I have available a set of quality parameters (See below) for waste water with current values including BOD, COD, TSS, Total N, N-NH4, N-NO3, N-NO2, Organic N, Total P and dry solid content. Values are max allowable, but lets work on worse case scenario and assume the water has got these exact values.

My question, from this I need to calculate the initial chlorine dose to obtain a residual of 1.5ppm. This is for waste water chlorination.

Can this be calculated and if so how do you calculate this?

bimr · Feb 22, 2018

No, it can't be calculated.

"Chlorine dosage may be established from either bench scale laboratory testing, or actual measurement of field results from known plant operation. The results are suitable for establishing base feed rates however; real time corrections must be made to adjust for changing conditions. Since field conditions are not as controlled as laboratory tests, the actual dosage will generally be higher than those established in the laboratory."

Establishing Dosages

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Chlorine dose required

phillyza

Civil/Environmental

bimr

Civil/Environmental

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