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MEsp information

Introducing the Micro-electrostatic Precipitator (MESP) — the cutting-edge solution in air purification technology. MESP stands out for its exceptional efficiency in eliminating airborne particles such as PM2.5, fungus, dust, pollen, soot, and smoke. What sets it apart is its unique ability to deactivate and neutralize viruses and bacteria, ensuring that the air is not only purified but also sterilized within the accumulator.

MESP technology represents a significant advancement from traditional Electrostatic Precipitator (ESP) technology. In comparison to ESP, MESP boasts a remarkable 10-fold increase in capture capacity. Additionally, it addresses the issue of ozone generation by eliminating arcing and spark flashing, making it a safer and more environmentally friendly choice.

Upgrade to MESP and experience unparalleled air purification that goes beyond mere particle removal, providing a healthier and safer environment for you and your loved ones.

The Micro Electrostatic Precipitator (MESP) harnesses the power of an intense dielectric field to achieve unparalleled air filtration. Unlike traditional high-pressure-drop fibre matrix filters, the MESP filter can efficiently eliminate even the tiniest particles.

The process begins by imparting a high-voltage negative electrical charge to airborne particles. These charged particles are then directed through a honeycomb structure composed of hollow polymer flutes, each measuring 2-4 mm in diameter.

Nestled between rows of these flutes are thin electrode sheets, generating potent electrical fields. The dielectric nature of the polymer flute material prevents the flow of current between electrodes, allowing the creation of an intense field within the flutes. Charged particles are irresistibly drawn to the flute walls, where they adhere securely.

Choose  SANITIZAIR MESP for a revolutionary approach to air purification, ensuring the removal of minuscule particles without the need for high-pressure-drop fibre matrix filters.

The particle collection filter is an innovative dielectric with an intense electrical field which enables the removal of even the tiniest particles without a high-pressure-drop fibre matrix. Airborne particles get an electrical charge, then pass into a honeycomb of 2-4mm diameter hollow polymer flutes.

Encased between rows of flutes are thin electrode sheets, which generate intense electrical fields. The polymer flute's dielectric material prevents current from flowing between electrodes even though an intense electric field is generated. Charged particles - pollutants, bacteria, germs, viruses are pulled to the walls of the flutes and stick.

With the unique volt-ampere characteristic curve of MESP technology the current gets smaller even as the voltage increases again. The result: high voltage and low current without the potential dangers of electrode damage and electric shock, which are traditional ESP product weaknesses.

The unique nano PP-made filter is washable, with a lifespan exceeding 10 years with just a small attenuation effect. The total running cost should be much lower than traditional media filter products.

how does mesp kill viruses in the air?

Phase 1

Due to the micros-electrostatic filter's high-voltage electrostatic effect of up to 10000 Volts, the cell wall of bacteria and protein shell of viruses which pass through will be instantly destroyed, hereby inactivated, and instantly killed.

Once away from the corona zone, the negative ions are attracted to the surrounding air, negatively charging the gas molecules, which then move towards the MESP positive plate under the action of a strong electric field.

Phase 2

In the MESP sterilization module, the dielectric material forms a honeycomb hollow microchannel and wraps the electrode sheet to form a strong electric field in the channel. This electric field exerts a huge attraction to the charged bioaerosol moving in the air, while only generating minimal airflow resistance. It can absorb almost 100% of air movement biological aerosols, PM2.5 and other particulate matter.

When the virus loses its host cell, it will naturally die out after being continuously absorbed by a strong electric field in addition, as viruses and bacteria continued to be impacted by high voltage electric fields, they gradually become carbonised and thereby eliminated.

Any virus absorbed on the electrostatic filter will be continuously.

MESP uses negative ionizer to generate a corona and release negative ions with a voltage of -10.2KV. The negative ions collide with air molecules to generate more negative ions.

Phase 3

The fine particles will block the negatively charged air molecules from flying and stick them together. The fine particles continue to absorb negatively charged molecules until they are saturated. The fine particles thus carry enough negative charges.

Phase 4

Once the fine particulates carry enough negative charges, they move to the positive plate under the action of the dense MESP matrix electric field and are firmly attracted by it.

mesp versus hepa

What is HEPA?

High-efficiency particulate air (HEPA), also known as high-efficiency particulate absorbing and high efficiency particulate arrestance. Filters meeting the HEPA standard must satisfy certain levels of efficiency. Common standards require that a HEPA air filter must remove from the air that passes through at least 99.95% (European Standard) or 99.97% (ASME, U.S. DOE) of particles whose diameter is equal to 0.3 um; with the filtration efficiency increasing for particle diameters both less than and greater than 0.3 um.

HEPA is good, but far from perfect!

True HEPA filter could purify air, so they can also clean virus in air aerosol greater than 0.3 um by capturing them with HEPA filter. But the virus is still alive, in some cases it could be released into the air and influence people again. Therefore, we need to pay attention to avoid virus leaking risks while replacing filter if considering current COVID-19 pandemic situation.

What is MESP?

Micro Electrostatic Precipitator is a new generation air purification technology. Intense dielectric field describes the mechanism by which the MESP filter can remove even the tiniest particles without the use of a high-pressure-drop fibre matrix filter. Airborne particles are first given an electrical charge, then passed through a honeycomb of hollow polymer flutes, 2-4 mm in diameter. Encased between rows of flutes are thin electrode sheets, which generate intense electrical fields. The polymer flute material is dielectric, which prevents current flowing between electrodes but does not inhibit creation of an intense field within the flutes. Charged particles are pulled to the walls of the flutes, where they stick.

MESP is a perfect air sterilizer!

A properly maintained MESP filter should be highly effective at capturing and trapping microbes such as germs, bacteria, viruses, mold, etc. Meanwhile MESP system will disintegrate them with high voltage (over 10KV) strong electrostatic field. The official test report from the USA claims that MESP products could be more than 99.99%+ in removal of H1N1 virus. Safe and controllable!

Technical Comparison HEPA/MESP

HEPA
MESP
Efficiency (particle capture 0.3 microns)
Excellent 99.97 %
Excellent + 99.99%
Pressure Drop Resistance
Poor 150-450Pa
Excellent 10-50Pa
Energy Cost
Poor 610x610 filter= fan energy x 5 MESP
Excellent Comparable MESP 1/5 HEPA cost
Maintenance Cost
Poor Final and pre-filters require replacement and disposal
Excellent Occasional cleaning takes a few minutes, soapy water and dry
Service Life
Poor Pre filter and HEPA block in relation to the environment
Excellent Properly maintained MESP filter is permanent; never needs replacing
Noise
Poor High-pressure drop = High noise
Excellent Low-pressure drop=quiet air flow

Technical Comparison UVC-GI / MESP

UVC-GI
MESP
Efficiency (Microbial deactivation)
60% on first pass
+ 99.99% on first pass
Pressure Drop Resistance
75Pa
10-50Pa
Energy Cost
95W per Lamp per 200L/sec
5 to 13 W
Maintenance Cost
Pre-filters and UVC-GI Lamps require replacement and disposal
Occasional cleaning takes a few minutes, soapy water and dry
Service Life
Pre-filter and Lamp replacement as required
Properly maintained MESP filter is permanent; never needs replacing
Exposure length
Requires extended exposure area
Requires on max of 150mm exposure
Cassette depth
Depth of min 350mm
Depth between 90 and 150mm
Noise
Low noise
Excellent Low-pressure drop=quiet air flow
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Air Purification Requirements
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