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DELOACH BLOG

Benefits of Pressure Filters for Industrial Water

Posted by Anthony DeLoach, President on Jan 4, 2022 1:00:00 PM

Industrial water systems use water filters to reduce the level of solids in water from:

  • Industrial
  • Semiconductor
  • Manufacturing
  • Refining
  • Oil and Natural Gas Production Processes

The wastewater may contain harmful chemicals to humans, plants, or animals. Three types of filters are commonly used in industrial settings:

Gravity filters, pressure filters, and constructed wetlands. Pressure filters have two variations: multimedia and higher-pressure micron or cartridge filters. Constructed wetlands or natural filters are not often utilized in industrial processes. Based on the requirements to obtain environmental permits and safeguard the ecosystem.

There are many benefits to pressure filtering systems in industrial wastewater. Pressure filters can remove particles down to 0.3 microns in size. They don't clog up as quickly as other filter types, and it's much faster than other types of filtration methods.

Pressure filtering is also very cost-effective because it uses less energy than other methods. Look no further if you're looking for a high-quality industrial water filter that cuts down on operating costs!

Pressure Filters  (Multimedia type) are often used in industrial settings to filter particulates down to 15 microns in size.

They're also very cost-effective due to their energy; pressure filters utilize much less energy than other filtration methods. Pressure filters can include multimedia, a mixture of gravel and sand, multimedia, gravel, sand, and anthracite, or multimedia, which combines gravel, sand, greensand, and anthracite filter media. The variations are dependent on the applications and the need.

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Topics: water quality, water treatment, water plant, media packing, ION Exchange Resin, RO system, Pressure filter, Sand filters, Filter Media, industrial facilities, green sand, Gravity Filters, Constructed Wetlands

Pressure Filters

Posted by Matthew C. Mossman P.E. on Dec 3, 2021 1:00:00 PM

In water treatment, it is often required to remove small particulate matter from the raw water.

One of the most cost-effective ways to accomplish this is with a pressure filter. Sometimes referred to as “sand filters,” a pressure filter consists of a rigid filter vessel capable of withstanding internal pressure, combined with pipework to distribute and collect water and one or multiple types of filter media. Pressure filters are commonly used in municipal water systems, industrial facilities, residential well water systems, and swimming pools. Typical pressure filter construction is shown below:

 

At the top of the filter vessel, a distributor is used to break up and distribute the water flow so that there are no concentrated flow jets that stir up the media bed. Inflow distributors are usually oriented to direct flow at the top of the vessel to disperse the flow further. Below the distributor is the primary filter bed. The filter bed contains fine-grained media, most often sand, including crushed anthracite coal, activated charcoal, garnet, or other granular bulk products. The media bed is the thickest layer in the filter vessel and is the region that does the actual filtering of the water or other fluid. Below the media bed will be one or more support layers. These will usually be larger-sized gravel that is chosen to support the filter bed while allowing high flow through the support layer and into the outflow header. The outflow header can take several forms but is often composed of a large central pipe with multiple smaller pipes or “laterals” attached. The laterals are slotted or perforated. This allows the pressurized water to flow into the laterals and out through the outflow header into the downstream components of the water treatment system.

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Topics: particulate matter, filters, Pressure filter, Sand filters, Filter Media, municipal water systems, industrial facilities, residential well water systems, greensand, DeLoach Industries, Inc., backwash, automated control systems, actuated valves, pump controls

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