As everybody said, first thing to do is examination through microscope. Please also check F/M ratio with your design parameters. DO in your aeration tank could also be low that will result in growth of filamentous organisms. Manipulating your sludge draw off rate from your clarifier could be a...
Depending on your wastewater characteristics (SS), it would be better to maintain a minimum velocity of 0,3 m/s in your tank. You might consider using baffles for this purpose; if not appropriate try installing submersible mixers. But for a small tank of 40,000 gal, a submersible mixer would be...
Thank you for your reply.
How accurate are those TOC analyzers? Is it possible to monitor low concentrations of effluent within a range of 20-40 mg/L COD? I would like to use this analyzer to detect COD peaks so that we could divert the peak discharge to the city main instead of receiving river...
Can anyone suggest producers for online COD analyzers? Are they really analyzing "COD" or they just correlate it with dissolved organic compounds (using SAC)? What are the possible alternatives for monitoring effluent COD concentrations "delay-free"?
Regards,
ema
RDK:
Injection of hydrogen peroxide or pure oxygen is a good idea. Plus installation of frequency converters for the pumps could help to adjust pumping capacity and there will not be any need for removing them. Sealing and venting the manhole using ex-proof design fans could also help to...
Hi everyone!
Is there a possibility to use an existing pressure reducing valve as a relief valve with some small modifications? Or they are totally different in construction? We have one old pressure reducing valve installed on a water supply pipe line but we have installed a new well pump just...
We have constructed a ferrous sulphate dosing unit to eliminate problems occuring at generators using methane. It was located at the main inlet of the treatment plant. But i remember we had long discussions about where to locate the unit. Ferrous sulphate is a by pruduct of steel indusry and it...
