Shervin Jamshidi

4 Questions 25 Answers 0 Followers

Questions related from Shervin Jamshidi

Organic or Chemical Fertilizers, Which emit higher nutrients (kg/ha) to surface waters?

Take a farmland with typical steep and cultivation (for example, rice), which is inundated for irrigation. Is there any difference between chemical or organic fertilizers on nutrient load...

30 March 2018 1,964 33 View

How biological desulfurization of biogas works?

In centralized municipal wastewater treatment plants, some recommend to use biological desulfurization with packing media for better biogas production. I wonder how it works, what is the process...

27 June 2016 6,175 4 View

How much artificial aeration may be effective on reaeration rate (Ka) of rivers?

How much artificial aeration methods, such as constructing cascades or weirs, using mechanical aerators, floated plants, or pumping out and discharging again the water, can increase the rearation...

22 October 2015 9,349 8 View

How much may heavy metals affect the heating value of sludge of municipal WWTPs?

Hi, Is there any experimental results about Heating Value of Sludge of municipal wastewater treatment plants in case of heavy metal existence? How much it may affect the typical heating values?...

03 March 2015 9,551 20 View