techpro india

Deep Filtaration

Activated Carbon Filters
Depending onm the type of water suspended solids concentration, oil and grease, cod, bod. Activated carbon filter sare are sized differently. Filtaration velocity-2.8m3/h.m2 Contact time-10.30minutes Diameter-50cm to 3m Filtaratio Area-0.2 to7m2 Flowrates-101/h 100m3/h Pressure Ratings-4-10bar. Vessel Materials-Epoxy coated steel -Polyster Composite -Stainless Steel Bed dedth-1 Miter min.

Filtaration Media-
Anthracite 1.4-1.5mm Sand 0.4-0.bmm Sand1.0-2.bmm Gravevel 3.15-5.6mm Top manhole 21/2 to 6'' DN 400 Accessories 5ball or Butter Fly Valves 5 Butter Fly valves. Options-Manometers, Degaser, Flowmeter autometic or manual backwash Control- On timer and/or differential pressure.

Iron Removal Filter-
Anthracite 1.4-1.5mm Iron removal plants can be based different filtaration media. All depending on the iron and manganes concentration the oxygen level CO2 content and hardness of the water. Plant Principale- First air is injected in order to oxidize the iron. The oxidized iron will then precipitate on a sand filter. An MNO2 layer in the sand bed will catalyze the oxidation of residual iron backwash will be done by water and by air. Filtration media choice are sand + MNO₂- For high iron concentrations calcite for acidic waters. BIRM. GREENSAND. Other oxidation chemicals can be used for highly contaminated waters Ozone. Chlorine Chlorine dioxide These chemicals also have a biocide effect but might interact with other component. Typical deironing plant includes- Feed/ Backwash pump, Pressure vessel filled with deironing media valves, fittings and instrumentation –Air compressor- Air Blower-Control Panel.

Sand Filter-
We have to understand the system of sand filteration ,they are used in Turnkey Plant ,Pilot Plant,and containerised plants sand filteration.All depends on the type of water used for sand filteration.The other factors are suspended solids concentration,oil and grease, COD/BOD,Iron contents.Sand filters are of different sizes but the basaic design data to clarify natural watersare the following. Filteration on Velocity-6-15 m3/h.m2 Diameter -50cm-1 mtr 1-3m Filteration Area-0.2 to 0.8m2 0.8 to 7m2 Flow Waters 10l/h to 10m3/h10 to 100m3/h Pressure Rating 4-10bar Vessel Meterials- Epoxy coated steel -Polyster Composite -Stainless Steel Bed dedth-1 Miter min Filtaration Media- Anthracite 1.4-1.5mm Sand 0.4-0.bmm Sand1.0-2.bmm Gravevel 3.15-5.6mm Top manhole 21/2 to 6'' DN 400 Accessories 5ball or Butter Fly Valves 5 Butter Fly valves. Options-Manometers, Degaser, Flowmeter autometic or manual backwash Control- On timer and/or differential pressure .