Search results for query: *

Thanks for Replying chaps. I've tried getting hold of the WTW but no joy yet. What I find is that the treatment works needs additional flocculation time when the water temperature drops below about 6 (celcius) but this is currently not available. Literature reviews (backed up by my own jar...

Hello Rees101, In answer to your question there are several factors to be considered :- 1. The quality of water going onto your filters 2. The filter run times I have involvement with a treatment works that has a water only backwash (21gallons/min/ft2 - a strange way of working...

Hello, I'm involved with a slow sand filtration plant that treat's an oligotrophic source water. A few years ago a 'front-end' was added and this has further reduced the available TOC available to the microbial populations within the beds. This year I was asked to investigate increasing...

I'm interested in discussing the experiences of people involved in using Alum as a coagulant in low temperature climates. A plant I look after suffers badly in the winter months and should 'ideally' have additional flocculation time added..but that's another story. I'd like to use a...

Hello, I'm looking at a very small scale de-chlorination project, we'll be using one of the above but as I've no great experience with either of them I'm fishing for any pro's or cons. cheers........Chris