Recent questions tagged sewage-treatment-design

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GATE Civil 2012 | Question: 20
A sample of domestic sewage is digested with silver sulphate, sulphuric acid, potassium dichromate and mercuric sulphate in chemical oxygen demand (COD) test. The digested sample is then titrated with standard ferrous ammonium sulphate (FAS) to determine the un-reacted amount of mercuric sulphate potassium dichromate silver sulphate sulphuric acid

A sample of domestic sewage is digested with silver sulphate, sulphuric acid, potassium dichromate and mercuric sulphate in chemical oxygen demand (COD) test. The digeste...

Milicevic3306

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Milicevic3306 asked Mar 25, 2018

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