A Mathematical Model to Determination of Alum Amount Added for the Purpose of Coagulation in Water Purification Plants
A Mathematical Model to Determination of Alum Amount Added for the Purpose of Coagulation in Water Purification Plants

Hassan A. Omran; Mizher A. Kadhim

Volume 36, 4A , April 2018, , Page 456-460

https://doi.org/10.30684/etj.36.4A.13

Abstract
  Chemicals are used to increase the settling velocity for suspended deposition colloids which are not settled in sedimentation tanks in water purification plants . For this purpose, ...  Read More ...
Effects of Discharging Sewage of Baghdad To Tigris River on TheWater Quality
Effects of Discharging Sewage of Baghdad To Tigris River on TheWater Quality

Ibtihaj A. Abdul Razzak; Abbas H. Sulaymon

Volume 27, Issue 16 , December 2009, , Page 2903-2917

https://doi.org/10.30684/etj.27.16.3

Abstract
  Tigris River one of the rivers that suffer from the effect of conservative pollutants. This study include the distribution of pollutants ( which are BOD5, TDS, pH, T.H., SO4 -2, Na+, ...  Read More ...