Agribusiness and fertilizersFiltration in grain dryers: temperature, moisture and dust control
Grain drying combines heated air, changes in moisture and particle entrainment.
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Filtration, ventilation, and particulate control: design criteria, applications, and ways to improve operation.
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SizingBag filter sizing: flow rate, area and pressure drop
Understand the relationship between flow rate, filter area, internal velocities, and pressure drop.
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SteelmakingSteelmaking extraction: fume capture and gas management
Melting and other steelmaking operations generate metal fumes, heat and gas streams of variable composition.
Read article →Agribusiness and fertilizersDust control in fertilizer granulation and blending
Fertilizer mixers, granulators and transfer points can release fines, reduce product utilization and contaminate adjacent areas.
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SteelmakingFilter retrofits in the steel industry: capacity and reliability
Changes in production, wear and maintenance difficulties may justify upgrading a dust extraction system.
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MetallurgyExtraction in powder coating and abrasive blasting: different applications, specific designs
Powder-coating and abrasive-blasting booths must control particle dispersion without impairing the work being performed.
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Pharmaceuticals and laboratoriesPowder containment for HPAPIs: integrating process and filtration
Highly potent active pharmaceutical ingredients require a containment strategy defined by occupational exposure assessment and the pharmaceutical process.
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CementClinker cooler dust extraction: thermal control and abrasion
Clinker cooler exhaust air may contain high loads of abrasive particles and undergo temperature variations.
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Chemical industryFiltration in the chemical industry: particles, corrosion and gas treatment
In the chemical industry, stream composition determines the control technology.
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Agribusiness and fertilizersFans in fertilizer production: selection for corrosive atmospheres
Vapors, dust and moisture present in fertilizer manufacture can attack casings, impellers and seals.
Read article →Pharmaceuticals and laboratoriesExtraction in tablet compression and coating
Tablet presses and coating equipment can generate powders and exhaust streams with different characteristics.
Read article →Pharmaceuticals and laboratoriesFans in pharmaceutical processes: selection and integration
Fans used for pharmaceutical process extraction must deliver the required airflow and pressure without compromising hygiene, maintenance or noise control.
Read article →Agribusiness and fertilizersDust extraction in fertilizer handling and dispatch
Fertilizer transfer, loading and bagging generate localized emissions that vary with drop height, product flow rate and enclosure conditions.
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MiningDust extraction at screens, crushers and belt conveyors
Crushing, screening and belt transfers generate dust at distributed sources.
Read article →Pharmaceuticals and laboratoriesFiltration in pharmaceutical laboratories: capture and exposure
Weighing, sample preparation and powder handling can produce localized exposure in pharmaceutical laboratories.
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CementDurability in filtration systems: design and maintenance
The service life of a filtration system depends on the combination of sizing, manufacture, operation and maintenance.
Read article →Agribusiness and fertilizersFans for grain storage and pneumatic conveying
Storage aeration, dust aspiration and pneumatic conveying have different airflow and pressure requirements.
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Chemical industryCombustible dust filtration in the chemical industry
A chemical dust may present a fire or explosion risk depending on its properties and dispersion conditions.
Read article →Chemical industryFiltration in chemical drying and calcination
Dryers and calciners can generate fine dust in hot gases whose composition changes with the raw material and thermal regime.
Read article →Agribusiness and fertilizersFans in grain processing: corrosion and abrasion
In soybean, corn and other grain processing, fines and moisture can encourage deposits and wear.
Read article →MetallurgyPredictive maintenance for industrial fans and filters
Condition measurements make it possible to identify trends before a failure interrupts the process.
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MetallurgyParticle control in ferroalloy reduction furnaces
Reduction furnaces can generate streams containing fine fumes, high temperatures and variations in composition.
Read article →MetallurgyFume capture in welding, cutting and foundry operations
Welding, thermal cutting and foundry operations generate fumes and particles with distinct characteristics.
Read article →MetallurgyMetal particles and gases: how to define treatment
Machining, rolling and heat treatment can generate dusts, mists and gases.
Read article →General topicsCentrifugal fans: selecting flow rate, pressure and impeller
A centrifugal fan transfers energy to air or gas through an impeller.
Read article →SteelmakingFiltration in environments with slag and heavy particulate matter
Slag and hot-material handling areas expose extraction systems to abrasion and high-energy particles.
Read article →Agribusiness and fertilizersFiltration in sugar and ethanol mills: dust, moisture and fibers
Emission control in sugar and ethanol mills involves distinct sources, such as biomass handling and thermal processes.
Read article →General topicsEnergy efficiency in filtration: assess the complete system
The energy consumption of a dust extraction system results from the flow rate moved, flow resistance and efficiency of the ventilation assembly.
Read article →MiningDust extraction from silos and transfer points in mining
Filling silos and dropping material at transfer points displace air and can disperse dust.
Read article →MiningAbrasion protection in filters and fans
Abrasive wear depends on particle hardness, concentration, size and trajectory.
Read article →MiningFans in extraction and crushing: selection for abrasive dust
The fan in an extraction and crushing installation must overcome circuit resistance and sustain capture at operating sources.
Read article →CementProcess filters in cement production: kiln and grinding circuits
Filters connected to the kiln, raw mill and cement mill operate in circuits with distinct functions and conditions.
Read article →Pharmaceuticals and laboratoriesFiltration in pharmaceutical processes: selection by application
Blending, transferring and handling pharmaceutical powders may require local capture and dedicated filtration.
Read article →Chemical industryDust extraction from chemical solids: handling and storage
Bag opening, discharge and transfer of chemical solids are frequent sources of localized dust.
Read article →CementFans for kilns and clinker coolers
Ventilation in the clinker line involves temperature, high flow rates and varying resistance conditions.
Read article →Chemical industryFans in the chemical industry: resistance and efficiency
Chemical process extraction must reconcile flow rate and pressure with contaminant resistance.
Read article →CementConverting an electrostatic precipitator to a bag filter: what to assess
Converting an electrostatic precipitator to a bag filter can reuse part of the existing installation and adapt collection to new process conditions.
Read article →MiningCombustible dusts in mining: criteria for reducing risks
Not all mineral dust is combustible, but materials such as coal and certain processed dusts may require specific protection.
Read article →Agribusiness and fertilizersCombustible dusts in agribusiness: filters and rotary valves
Dusts from grains, meals and other organic materials can form combustible atmospheres.
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SteelmakingThermal control of gases in the steel industry: dilution and cooling
Gas temperature must be compatible with the limits of the filter, ducts and fan.
Read article →General topicsBag filter sizing: flow rate, area and pressure drop
Sizing a bag filter means matching process flow rate to dust characteristics, filter medium and operating conditions.
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