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my question is why PVC? why not 12 DIP class 350? if exterior corrosion is a problem try poly-wrap. if internal corrosion is a concern the DIP I have seen is cement morter lined. and the cost may be comperable to PVC with oil prices being high right now. h2oman

Ok all: we have been working on a system with 10 ppm of Fl 100 ppb of AS PH raw at 8 - 8.5 and average temp of 112 F and a flow rate of 10GPM: we are using Actavated Alumina. my personal opion as that although it is working it is labor hevaythe steps are in this order: 1. ad acid to lower...

Vadoo: have you checked the chlorine instute website? that is the best place I can think of to look for your needed information. H2oman

Treatment I don't quite follow what you are looking for. if you are looking for the flow chart for a water treatment process you might look in the USC Sacraminto manual "Water Treatment I" (also known as the Ken Keri manuals) if you are looking at building a model of a water...

Is this a Resedential or a Commercial usage? have you checked with your local Fire Department? I suggest the following. 1. contact the local F.D. and ask them what thay need for fire flow. (ie: 1500 GPM for 2 Hrs = 180,000 Gal.) 2. add the system peek demand to this. 3. if the system will...

I am looking for any information about removing fluoride from groundwater using alum. the source water has 12 mg/l of fluoride and 110 ug/l of arsenic, ph is 8.3 and the water is 112 - 118 degrees F. my research tells me that alum will remove the arsenic, and will have an effect on the fluoride...