DEC IMPIANTI S.p.A.

DEC.FBC™ • fluidized bed concentrators

DEC, Dynamic Environmental Corporation, DEC IMPIANTI, DEC HOLDING, DEC SERVICE, DEC ENGINEERING, DEC AUTOMATION, DEC LAB, DEC ANALYTICS, static, rotary, fluidized, bed, concentrator, concentrators, wheels, SBC, RBC, FBC, activated carbon, zeolite, molecular sieves, polymer, adsorption, desorption, regeneration, nitrogen, inert gas, VOC emission control, solvent recovery, VOC recovery, VOC abatement, solvent recovery systems, VOC recovery system, solvent recovery unit, VOC recovery equipment, solvent recovery equipment, solvent recycling, VOC capture, solvent reclamation, solvent purification, VOC treatment, solvent regeneration, distillation, solvent distillation, VOC recovery process, activated carbon, adsorbent, nitrogen, oxidizer, thermal oxidation, regenerative thermal oxidizer, LEL, LEL monitoring, flexible packaging, converting, engineering, supply, turnkey, sustainable, innovation, decarbonization, carbon reduction, low carbon, carbon neutrality, emission control, net-zero emissions, greenhouse gas mitigation, carbon footprint, carbon capture and storage (CCS), energy efficiency, sustainability, carbon offset, circular economy, climate change, climate policy, climate action

DEC.FBC™ • fluidized bed concentrators

DEC.FBC™ (fluidized bed concentrator) is an industrial process for the treatment of exhaust air. The system uses a bed of adsorbent beads to adsorb volatile organic compounds (VOCs) from the exhaust gas. Differently from the static-bed (DEC.SBC™) or rotor concentrators (DEC.RBC™), the FBC system forces the VOC-laden air (SLA) through several perforated steel trays, increasing the velocity of the air and allowing the sub-millimeter adsorbent beads to fluidize, or behave as if suspended in a liquid. This increases the surface area of the adsorbent-gas interaction, making it more effective at capturing VOCs.

The fluidized bed concentrator consists of five primary components:

  • Adsorption tower: This is the main component of the FBC system. It is where the VOCs are adsorbed onto the adsorbent beads. The adsorbent beads circulate in the adsorption tower by fluidization.
  • Desorption tower: This is where the adsorbent beads are regenerated. The VOCs are desorbed from the beads and then sent to a VOC treatment system.
  • VOC treatment system module: this is where the VOCs are recovered or oxidized. In case of an XTO™ • thermal oxidation, the heat from the combustion is typically used to regenerate the adsorbent beads in the desorption tower.
  • Adsorbent transport system: This system is used to transport the adsorbent beads between the adsorption and desorption towers.
  • Process fans: These fans are used to move the exhaust air through the FBC system.

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