Weam Mahdawi

6 Questions 14 Answers 0 Followers

Questions related from Weam Mahdawi

What is the allowable depth of blanket zone ( Sludge Settling Zone) in the secondary sedimentation tank in Activated Sludge WWTP?

I want to ask what is the allowable depth of Blanket Zone in the in the secondary sedimentation tank in Activated Sludge WWTP? please can you help me in any design criteria? Thank you in advance

22 September 2018 1,419 10 View

What is the causes of Suddenly drop of SVI (Sludge volume Index) ?

I our WWTP I have notice a suddenly drop of SVI. From 170 to 80 . in the last week the SVI was about 170 but after few days the SVI decreased to 107, in the next day to 80 and yesterday to 65....

30 July 2018 6,227 24 View

What is the range of NO3 in the Aerobic digester ??

What is the range of NO3 in the aerobic digestion system ? It should be high ?? Thank you

26 July 2018 4,314 4 View

What is the most suitable time to withdrawn the primary sludge from primary sedimentation tank to the digested ??

I want to inquire about the most suitable time to pumping the primary sludge from primary sedimentation tank to the digested. Some times I withdraw the primary sludge at the morning for one...

19 July 2018 1,169 15 View

How much the predicted concentrations Silver nanoparticles that released from consumer products to the sewer systems (WWTPs)?

By the rapidly growing use of silver nanoparticles in the consumer products it was important to assess the impacts of release these nanoparticles on the environment systems such as wastewater...

31 May 2017 2,615 1 View

How I can simulate Full-scale WWTP (RBC )?

I want to construct simulated wastewater treatment plant ( Rotation Biological Contactor ) to test the effects of special materials on the WWTP . I'm looking for guidelines in this regards. is...

26 February 2016 1,539 2 View