Ata Rafiee

8 Questions 51 Answers 0 Followers

Questions related from Ata Rafiee

Which methods could be used to determine the specific surface of fixed-bed and moving-bed packing media?

The methods/devices which could be used to determine the nominal and effective specific surface of fixed-bed and moving-bed packing media which have been used for biological wastewater treatment...

02 February 2018 5,356 2 View

What do you think can be done to help solve the problems of environmental pollution?

Stopping environmental pollution is important for the survival of our planet, and even more importantly, the health and well-being of the people who depend on it. What do you think can be done to...

09 September 2017 1,050 11 View

What are the substantional challenges of global solid waste management?

Rapid economic growth, urbanization and increasing population have caused (materially intensive) resource consumption to increase, and consequently the release of large amounts of waste to the...

08 August 2017 9,295 12 View

Does anyone familiar with nitrogen-based biocarriers which have been used in the MBBR process?

Dear respectful researchers Could you please provide me some information regarding the nitrogen-based bio-carriers which have used in the MBBR process. What are the main differences and possible...

08 August 2017 8,652 3 View

Does anyone knows the ideal thickness of growth biofilms in bio-carriers of MBBR process?

MBBR technology employs thousands of polyethylene biofilm carriers operating in mixed motion within an aerated basin of wastewater treatment plants. Each individual bio carrier increases...

08 August 2017 5,454 8 View

What are the most limitations and disadvantages of Membrane bioreactor (MBR) process ?

Dear Respectful researchers I need the information regarding to limitations and disadvantages of the MBR process in treating high industrial strength wastewater. There are some limitations such as...

08 August 2017 6,714 10 View

What are the economic benefits of recycling PET, Papers, Glass, Metals, and etc.?

Dear Researchers What are the economic benefits of recyclable fractions of municipal solid waste except selling these products? Could you please introduce me related papers which were discussed in...

04 April 2017 8,836 2 View

What is your opinion on the role of metabolomics in exposure assessment science?

Metabolomics, the study of small molecules in biological systems, is the comprehensive analysis of all metabolites of an organism. It has the potential to improve exposure measures and delineate...

01 January 1970 2,059 1 View