Hi, Chris Roberts, Port Elizabeth South Africa,
I would say your sewer is oversized. I agree with the rule of thumb regarding slope, and try never to lay a 150mm dia pipe at a grade of flatter than 1 in 150.
The Peak wet weather flow from your situation will probably be in the order of 10...
To sklone and bimr,
Thanks for your responses. It seems that filter presses are also favoured in the Italian tanning industry and we are looking into this here.
Re the sludge beds, the plant we are dealing with started out quite small and the beds were the best option then. They have worked...
To whoilsee (petrolium) and Mike Bensema,
Thank you for your prompt responses and information.
I have managed to arrange for tests to be done on the sludge and am awaiting results. I suspected that it wasn't as simple as the belt press salesman described and judging by your suggestions I was...
Hi,
I am involved in the treatment of tannery effluent from a leather dying plant and have been asked to install a belt press to dewater sludge. I am doubtful if this will work as the sludge is very sloppy and fine. At present the sludge is collected in a set of flat sludge beds consisting of a...