Baghouse
Alongside its filter bag manufacturing, Micro-one Co., Ltd. designs and builds waste incinerators, flue gas treatment systems and power plant dust collection equipment on an EPC basis. Designs are checked with CFD flow analysis and 3D modeling, and every system can be fitted with Micro-one’s own DuraFill™ and CataFill™ filter bags.
We offer cost-effective consulting tailored to each customer and provide after-sales service once the plant is handed over.
Explore: heat recovery and waste-to-energy plants · flue gas treatment systems · power plant dust control · energy facility operations
A baghouse, or bag filter (BF), is a dust collector that passes flue gas through fabric filter bags to capture particulate matter. A new, well-designed baghouse typically removes 99–99.9% of particulates, and because it uses no water, it produces no wastewater. Micro-one is a filter bag manufacturer and supplier that has served more than 700 customers in Korea and overseas since 2006 and provides baghouse solutions from design to maintenance.
Dust is captured on the bag surface as the gas passes through, and clean gas exits. The dust cake is removed by pulses of compressed air (pulse-jet cleaning).
Synthetic felts such as PTFE and fiberglass handle up to about 260°C (500°F); above that, ceramic or metal media are needed. See the filter bag material guide.
Removes over 99% of particulates, including PM2.5.
Handles dust that is hard for electrostatic precipitators to collect.
Only the filter bags need replacing.
No water is used, so there is no wastewater to treat.
Dust, plus acid gases and dioxins captured with injected hydrated lime and activated carbon
Dust removal from coal-fired boiler flue gas
Grinding, blending and kiln processes
Blast furnace and coke processes
Processes that emit dust together with acid gases
A baghouse filters dust through fabric and reliably captures over 99%, including fine particles, regardless of dust resistivity. An electrostatic precipitator collects dust with high voltage and has a lower pressure drop, which suits hot, high-volume gas. A hybrid E.BF combines both.
A standard baghouse removes dust only. Fitted with catalytic filter bags such as Micro-one’s CataFill™, a baghouse can also reduce NOx: the bags capture dust on the ePTFE membrane surface and reduce NOx in the catalyst-loaded felt, with ammonia or urea injected upstream. The certified scope under Korea NET No. 631 is 99% or higher dust removal and about 50% NOx removal.
It depends on operating conditions at the site. Gas temperature, acid gases and moisture, dust properties and the cleaning method all affect bag life, which ranges from about one year to as long as five years. Replacement is planned by tracking differential pressure and outlet emissions.
Choose the felt based on gas temperature, acid gases and moisture. See our filter bag material guide.
Micro-one is a filter bag manufacturer and supplier for baghouses: DuraFill™ ePTFE membrane filter bags for fine dust, and CataFill™ catalytic filter bags to reduce dust and NOx together.
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