Significances of soil and groundwater properties for the deferrization and demanganization of groundwater in the aquifer
1988
Olthoff, R. (Ingenieurbuero Preussner, Hamburg (Germany, F.R.). Beratende Ingenieure VBI)
A high factor of efficiency for subterraneous deferrization and demanganization can be achieved in aquifers of sand with fine and coarse grain, in which the grain itself should have a non-spherical shape. The soil should have a high lime content and a low oxygen depletion. The factor of efficiency increases with increasing pH-values and decreasing ferrum and manganese content, it drops with higher spec. electric conductivity. A sufficiently high acid capacity in the soil is of advantage. Soils with a large pore volume ensure a long term operation of the production wells.
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