Filtration Market Updates

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Filtration News, Updates & Information

Aerus Air Purifiers Overview and Figures Investigation

February 25, 2018 0

Aerus Holdings LLC is a business centered out of Dallas Texas. They very own 9 organizations, various of which have air purification product lines. They have 4 designs below the Aerus Organization brand name. Aerus […]

Filtration News, Updates & Information

Industrial Brackish Reverse Osmosis Equipment 90 m3/working day- Oman

February 24, 2018 0

Industrial Brackish Reverse Osmosis Equipment Location: Oman Capability: 90 m3/working day Application: Resort Water Therapy Technique Characteristics: • Grundfos Large Force pump • Codeline Force Vessels rated at 300 PSI • Hydranautics ESPA-2 LD Membranes […]

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Melt Blown Filters

Case Study–Ultra H high flow filter

July 16, 2017 0

Case Study—-Ultra H high Flow Cartridge Filter We are excited to tell that, our Ultra H high flow cartridge filter, which is especially to replace 3M CUNO high flow element, already been approved by one […]

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Melt Blown Filters

In 2017, we are here, where are you?

July 16, 2017 0

Thanks friends, for your always support and trust. In 2017, we are here, WHERE ARE YOU? Aquatech Amsterdam October 31-03 November 2017 RAI Exhibition Center IDA Brazil October 15 – 20, 2017 World Trade Center […]

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Melt Blown Filters

Case Study–Ultra H high flow filter

July 16, 2017 0

Case Study—-Ultra H high Flow Cartridge Filter We are excited to tell that, our Ultra H high flow cartridge filter, which is especially to replace 3M CUNO high flow element, already been approved by one […]

No Picture
Melt Blown Filters

In 2017, we are here, where are you?

July 16, 2017 0

Thanks friends, for your always support and trust. In 2017, we are here, WHERE ARE YOU? Aquatech Amsterdam October 31-03 November 2017 RAI Exhibition Center IDA Brazil October 15 – 20, 2017 World Trade Center […]

Filtration Information

Filtration is the process by which solid materials (commonly referred to as particles or particulates) are captured or removed from either air, gas, liquid or solid mixtures. By adding a medium, or media, for the mixture to pass through, the unwanted particulates are filtered or separated out, leaving a solid reduced mixture that meets the purification requirements for the particular application. Particles that are filtered out of the mixture are dependent upon the micron rating of the filter cartridge, element or system utilized during the separation process, and based on the use of a Nominal or Absolute micron rated filter.
 
Definition of Filtration: The act or process of capturing or removing an unwanted particulate from an air, gas, liquid or solids (of varying particle sizes) using a filter or sieve (sifter / strainer).
 
Definition of Pleated Filter: Pleated filters are manufactured with various medias / materials that are crimped into pleats (accordion folds) that provide a barrier to capture , or filter out, unwanted particulates from air, gas, liquid of solid mixtures.
 
Key Filtration Terms:
 
Differential Pressure (DP):

The measurement between the input pressure (PSI – Pounds per Square Inch) going into the filtration device (Housing, Canister, Vessel, etc.) and the pressure being measured on the filters output flange / port. The difference between the filter’s input and output increases as the element / cartridge captures particles from the mixture being filtered. Ideally you should measure little to no initial differential pressure (DP) indicating that the filter element / cartridge itself, when newly installed, is flowing freely and not adding unnecessary flow restriction and loading the pump before the filtration system even gets starting collecting particulates. Maintenance personnel use differential pressure (DP) measurements, generally supplied by the manufacturer or company engineering department, to determine ideal times to replace filter elements / cartridges.
 
Filter Cake:

As solid particles are captured from a suspension they collect into a cake form. A filter cake is created when the particulates that are filtered begin to build up. The filter cake expands over the life cycle of the filter element / cartridge being used in the filtration system and continues to grow thicker as particles continue collecting. As the particulates continue to build up the flow pressure (DP – Differential Pressure) beings to increase PSI. Utilizing manufacturer suggested flow rates & pressure differentials you can determine when the filter cartridge / element requires changing, or in certain filtration systems you can backflush to clean out the filter for further use. In excess of manufacturer’s suggested flow rates & pressure differentials could result in catastrophic failure to the filter element/cartridge or the filter housing, and creates a hazard of flying projectiles should the housing rupture. On the lighter side of this caution, operating beyond manufacturer suggested ratings diminishes the flow rate and particulate capture rate, basically decreasing your filtration efficiency.
 
Micron:
Filtration ratings are generally based on the smallest micron (µm) size of the particle (particulate) to be captured (filtered out). A micron is equivalent to one millionth of a one meter, which is so small it isn’t visible with the naked eye. The visibility threshold is approximately 40 microns (.0016”… between 1 & 2 thousandths of one inch), or for comparison’s sake, a typical human hair if approx. 70 micron (between 2 & 3 thousandths of one inch). Just a few more comparable:
> Bacteria = 2 microns
> Talcum Powder = 10 microns
> Pollen = 60 microns
> Salt = 100 microns

Conversions:
> 1 micron = .0000394 inches (or 12,000 US Mesh)
> 25,400 microns = 1 inch
> 1,000 microns = 1 millimeter (or 18 US Mesh)


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