Multi Media Filter

Activated Carbon Filters

Multi media filter Pressure vеѕѕеlѕ


Influent water that is high in suspended solids can hurt or decrease the adequacy of downstream hardware, for example, invert assimilation layers and particle trade beds. Weight vessels with sand or other free media are generally used to diminish the degree of suspended solids (turbidity) in approaching water. For the most part, sand filters are a practical decision.

An ordinary sand filter is viewed as a solitary media filter (the rock is a non-filtering layer). In a solitary media filter, more than a few discharge cycles, the littlest particles, being lighter, move to the head of the media bed while the bigger, heavier particles settle to the base of the filter. The majority of the filterable particles in the source water are caught in the best 1-2 inches, where the littler media particles have the littlest spaces between them.

This is a wasteful utilization of the media profundity. The filter runs a moderately brief timeframe before it should be discharged. A multi-media filter tends to this shortcoming.

A multi-media filter is a weight filter vessel with at least three diverse media over the rock bed. The three media are requested in diminishing porosity. Anthracite, sand, and garnet are regularly picked because of their size and thickness contrasts. Anthracite is the lightest, at that point sand, and afterward garnet.

The bigger (yet lighter) anthracite remains on top and the denser (however littler) garnet remains on the base. The biggest particles are taken out close to the head of the media bed, in the huge spaces between the anthracite. As particles, get littler, they are caught further and more profound in the media. Along these lines, the whole profundity of the bed goes about as a filter. This gives more proficient particulate expulsion. Multi-layer filters trap and hold a lot a greater number of particles than sand filters before discharging is required. On account of how profound the particles reach out into the media bed, multi-media filters are at times alluded to as “profound bed filters.”

While squashed anthracite coal, sand, and garnet are the most widely recognized media utilized, different materials might be utilized. Initiated carbon, and particle trade gums have been attempted. In these cases, the media are picked to serve a bigger number of employments than simply eliminating particles. For instance, particle trade saps adsorb different substances.

TWA has various vessels in different setups that can be utilized as multi-media frameworks. We have more than 20 years of involvement with planning remediation frameworks for a wide scope of venture sizes, contaminants, and geographic areas.

Sand Filter

Design Features

Units are skid-mounted, and factory assembled, wired and tested. They are delivered ready for installation. Piping, valves, pressure gauges, filters media and accessories are included with the filters system.Design Features of Sand and Multi media Filters : Solar power, media air scour, and rinse cycle are available as options. Filters capacities are from 5 GPM to 14 MGD. Chemical injection packages, settling tanks, clarifiers, and disinfection units are also available.

  •  in. to 12 ft. diameter vessels
  • Automatic or manual operation
  • All steel construction (mild steel, 304 and 316 stainless steel)
  • Stainless steel vessel internals
  • ASME code or non-code vessels
  • Hydraulic, pneumatic or electric valves
  • High pressure and temperature options
  • Class 1, Div. 1 or 2 preparation