I would be really interested to hear of any experience you guys might have with using real time weather data from remote sensors, to help manage and control a large waste water catchment. I've found plenty of papers on it, but some real advice or experience is always better
Has anyone got any experience of cleaning a live oxidation ditch? Its the only one we have, we can not drain it or reduce the flow below 90 ls. Its an extended aeartion tyoe ditch with mechanical aearators. It has a large build up of grit and rag to be removed. As yet I have not been able to...
I've heargd rumours about a solid chemical (presumably some form of peroxide) that is used for emergency re-oyxgenation of polluted rivers. Apparently it comes in the form of small sack whcih is thrown into the polluted water body and will oxygentae the water for a 6 hour period. Does anyone...
Hi
We are looking to install a Johnson intake screen on our river intake. Does anyone have any experience (good or bad) with regards fouling due to zebra mussels? I know that Johson's can supply the screen in either 316 stainless or "mussel repellant Z-alloy." Does Z-alloy actually make a...
Hi,
We are about to comission a new Actiflo clarifier (60 MLD) to treat potable water and was wondering if anyone had any experience (usefull tips or things to watch out for) with running one.
Thanks
Paul
Can anyone give me some ball-park figures for the d10, d30 and d60 sieve sizes for media used in a slow sand filter?
I have anaylsed the sand currently used at my plant and believe it to be too fine, but need some other gradings for comparison. Thanks
Paul
Hi,
I would like to hear from anyone out there about a good automatic polymer dosing control system. I have worked with floctonic untis before, but would be interested to know of any other recomendations from the group.
Thanks
Paul
Hi there
Can anyone recommend a good automatic polymer dosing control system for use on thickened sludge (~4-8 % d/s)? I've previously used the Floctornic system but would be interested to know of any others that work well. Thanks In advance!
Paul
Hi
I will be responsible for commissioning a pre-chlorination system for the control of zebra mussels in the near future. I would be interested to hear from anyone with regards suitable dose rates (as a Cl2 residual)needed to kill the mussels, together with any tips or suggestions for operating...
I am currently working on a project to chemically treat WAS to increase its dewaterabilty. The end result being a very alkaline sludge of around 12 pH units. We currently use Ciba Zetag 87 polymer but I would be interested to hear of any other polymer solutions that would give better performance...
