Design of primary sedimentation tank

[@نجاحعزيز-ه6ب]

Sir what do you mean? 2DWF or 4DWF For a sewage treatment project if the treated design capacity, for example, is 100,000 cubic meters / day

[@suru_on_her_travels]

Thanks sir

[@tojonyori7451]

Plss reply..if the surface loading rate are not given on questions. What would be do ? How can we calculate area of tank..?

[@MDDANISH-gl3rg]

Sir what how to Assume Retention time for secondary clarifier or primary clarifier...???