Mahad Said Baawain

6 Questions 7 Answers 0 Followers

Questions related from Mahad Said Baawain

What are the main concerns associated with injecting treated effluents to groundwater aquifers in arid areas?

Treated effluents (TE) cannot be reused entirely in urban areas (even arid areas) due to infrastructure, supply/demand, and social/economic issues. So, excess TE can be used for groundwater...

03 April 2019 7,087 5 View

Increased groundwater levels underneath coastal airport can pose some technical problems. What are the common management options for such problem?

The increase in groundwater under coastal airport can cause problems to infrastructures of the airport and can attract birds if ponds are created. Hence some management options are needed.

26 March 2019 2,797 6 View

Are there any limits for treating oily contaminated soil? E.g. should treatment reduce hydrocarbons to 5%, 4%, etc, or just depends on resultant risk?

Some countries use risk based approach while others might ask for a certain level of final hydrocarbons in the treated soils (e.g. 3% or even 1%). The initial contaminated soils can contain up to...

19 November 2017 8,681 7 View

What are the health and environmental impacts of iron particles (<10 micro-m) if spread on amient air and agriculture lands?

Let's say that iron concentration (not PM concentration) in ambient air is 50 ppm. And in soil is 2 mg/cm2.

13 June 2017 5,539 4 View

What type of treatment system is needed for the leachate resulted from engineered landfill for municipal solod wastes?

The treatment is needed to prevent pollution and to reuse the effluent for irrigation purposes.

26 May 2017 4,026 5 View

What is the impact of relatively high temperatures (35 to 45 oC) on the biological treatment of wastewater?

Will this range improve the microbial kinetics or negatively impact the growth rate?

07 May 2017 3,054 8 View