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1.Candle Filters for Sulfuric Acid Applications
HUILONG Candle Filter Mist Eliminators are used in Sulfuric Acid processes to prevent corrosion and damage to expensive downstream equipment and to control pollution. Water, shock cooling and oleum based mists result from the various sulfuric acid processes. The exact mist eliminator equipment recommended for a H2SO4 plant depends upon several factors:
1. Sulfur/SO2 source
2. Single absorption or double absorption
3. Location (drying tower, IPAT, FAT)
4. Equipment requiring protection
5. Type of acid produced
6. Pressure Loss
7. Local pollution control requirements
2.Sulfuric Acid Candle Filter Applications
• Drying towers
• Interpass Absorbing Towers
• Final Absorbing Towers (FAT)
• CrossFlow Stripper
• Product Stripper
• Acid Concentrator
• Oleum Tank Vents
• SO2 Tail Gas Scrubbers (NH3)
II.Nitrogen
1.Mist Eliminators for the Nitrogen Industry
The nitrogen industry has numerous processes where HUILONG Candle Filters and Knitted Mesh Mist Eliminators provide separation solutions. They prevent corrosion, protect downstream equipment, prevent pollution and recover valuable product.
2.Nitrogen Candle Filter Applications
• Evaporator towers (prevent product loss)
• Prilling Towers (pollution prevention)
• Catalyst (minimize loss of precious metals)
• Post Absorbing Tower(product recovery and protection of downstream equipment)
• Neutralizer and evaporator (prevent water and air pollution)
III.CHLORINE
1.Candle Filters for Chlorine Plants
Whether your plant has diaphragm or mercury cells, or chlorine, stream producing wet chlorine and after the drying tower, dry chlorine, an NaOH stream, or hydrogen stream, HUILONG has separation technology to optimize your plant operations. Contact your HUILONG separations specialist for your particular application requirements.
2.Chlorine Candle Filter Applications
• Pre drying tower with chlorine to prevent plugging and reduce sulfuric acid consumption
• Post drying tower before the liquid seal compressor in dry chlorine applications to collect sulfuric acid mists which impact product purity or freeze on tube affecting heat exchanger operation
• Pre NaOH Streams before jet system to collect NaOH mists which contaminate water
• Hydrogen Streams installed after the cell to collect NaOH and Hg mists which impact purity, corrode the compressor and decrease the charcoal system to remove mercury vapor (mercury vapor cell)
IV.Blue Haze
1.Candle Filter and Turnkey Systems for Blue Haze Applications
For pollution and odor control, candle filters are particularly effective in removing plasticizer, low/medium volatile solvents, oil and other fine mists or fumes which result from a variety of processes in numerous industries. HUILONG manufactures replacement filters as well as turnkey systems, which may involve a prefilter, cooler, fan, pumping and instrumentation etc. Separation systems can be built to customer specification or performance requirement.
2.Blue Haze Candle Filter Applications
• Plasticizer Solvent Fume Removal Through an absorptive recovery system, the exhaust from ovens curing vinyl coated flooring or wallpaper can be separated to eliminate invisible plumes and recover valuable process liquids.
• Lube Oil Haze From Rotating Equipment in compressors, turbines and other large rotating equipment mists or blue haze generated from recirculating lube oils creating blue haze.
• Metal Working Operations Fumes resulting from metalworking lubricants used in milling, drilling and other metal shaping operations which create a blue smoke or haze.
• Plastics Processing For injection molding, film making, and extrusion of plastics HUILONG Separation Products manufactures systems to remove submicron particles causing blue haze.
• Other Applications Include Asphalt Production Storage and Loading, Fabric treating and coating.
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