Arun Babu Vathsalan

8 Questions 25 Answers 0 Followers

Questions related from Arun Babu Vathsalan

Is it possible to measure Mercury using ICP MS?

We need to measure Mercury (Hg) in water and other environmental samples using ICP MS. Some literature suggest to add gold solution as a stabilizing agent into the samples and standards. If gold...

18 May 2016 9,493 12 View

How can we adjust the pH of wastewater intended for Anaerobic treatment?

Hi I have collected leachate form a landfill area and the pH recorded was 5.3. I want to treat the leachate anaerobically in an UASB reactor. I would like to know how to adjust the pH for...

11 May 2016 7,036 11 View

What could be the ideal pH for aerobic and anaerobic wastewater treatment systems?

I would like to know the ideal pH of the influent water for aerobic and anaerobic reactors (For example Aerobic - SBR; Anaerobic UASB). I would also like to know what could be the ideal pH inside...

31 July 2015 6,875 12 View

Can anyone help me to find a suitable procedure for the preparation of synthetic landfill leachate in the lab?

I am working on the treatment of landfill leachate (Biological - Anaerobic, phytoremediation). The characteristics of the leachate I am collecting from the nearby dumpyard varies each time. So I...

09 July 2015 10,014 6 View

How to prepare activated charcoal from woody biomass? Is there any method other than steam activation or chemical activation?

The steam activation or chemical activation with phosphoric acids requires to subject the biomass to extremely high temperature ofter higher than 800 degrees. I am looking for some other methods...

02 July 2015 4,174 9 View

Can anyone suggest a suitable method to study the speciation of heavy metals in soils?

Is the Tessier method the standard one, or any other modifications to the Tessier method?

30 June 2015 8,885 18 View

What is the effect of ammonia on anaerobic reactors treating wastewater like landfill leachate?

Landfill leachates are reported to have high concentration of ammonia. If treated using anaerobic technologies will it cause any inhibition to the methanogens? If it cause some inhibition what is...

29 June 2015 4,315 7 View

How to determine the Sludge Volume, Sludge Volume Index, Mixed Liquor Suspended Solids (MLSS) and MLVSS of anaerobic sludge?

I want to use the sludge or granules from a UASB reactor to start few more new UASB reactors (both lab scale). Before using it I would like to measure the above mentioned parameters. Can anyone...

25 June 2015 334 12 View