cas 55719-33-0 water treatment antiscalant dispersant t in france
trogen content N ratio is high and the low, high sulfate concentrations, high color, containing microbial degrad a-tion and difficult with inhibitory substances [12] . Figure 1 showed the summery of evolution of membrane use in wastewater treatment and demonstrates the basic differences in the treatment trails.
urban wastewater treatment (see glossary) by the end of 2005.Indeed, agglomerations with less than 2000 p.e. which have a collection network, must also set up appropriate treatment [Article 7 of the "Urban Waste water" directive,(see glossary)]. An effort of awareness and information is all the more neces-