Heavy metal removal system for industrial flue gas

Effectively remove harmful heavy metals from industrial emissions while ensuring compliance and enhancing environmental sustainability with this advanced flue gas purification system.

The Heavy Metal Removal System from GEA is designed for industries facing hazardous pollution challenges, offering a comprehensive solution to remove contaminants such as mercury from industrial emissions. Utilizing a combination of processes, including wet electrostatic precipitators, spray drying absorption, and candle filters, this system effectively separates, oxidizes, and precipitates heavy metals to deliver clean industrial gases and mercury-free products. Its applications span metal refining, chemical processing, hazardous waste treatment, and more, ensuring output of clean pulp fibers, decontaminated pharmaceutical waste, and energy-efficient sulfuric acid. Capable of continuous, high-scale operations, the system integrates seamlessly into existing production lines with automation and PLC controls, optimizing energy use and reducing operational costs. Constructed with corrosion-resistant materials, it is engineered for longevity in demanding environments, while GEA provides tailored engineering support and maintenance solutions to meet specific operational needs.

Benefits

  • Ensures environmental compliance by effectively removing heavy metals and pollutants from emissions.
  • Enhances operational efficiency with seamless integration into continuous production lines.
  • Lowers energy costs through optimized processing technologies, including electrostatic precipitation.
  • Reduces maintenance downtime with durable, corrosion-resistant materials and automated cleaning systems.
  • Versatile application across multiple industries, supporting diverse pollution control needs.
Applications
Chemical processing,Metal refining,Ceramics,Medical waste incineration,Pulp and paper,Environment,Food and beverage,Energy sector,Sulfuric acid production,Pharmaceutical manufacturing,Hazardous waste treatment
End products
Mercury-free metal ingots,Clean pulp fibers,Pure chemical reagents,High-quality food-grade raw materials,Energy-efficient sulfuric acid,Safe medical waste by-products,Environment-friendly ceramics,Decontaminated pharmaceutical waste,Clean industrial gases,Pollution-free energy outcomes
Steps before
Flue gas treatment preparation,Gas stream pre-treatment,Slurry preparation,Reagent preparation
Steps after
Emission control,Residue management,Waste storage,Gas release,Dry powder handling
Input ingredients
mercury vapour,mercuric chloride solution,flue gas,sub-micron particulate,aerosols,condensed volatile organic compounds,hot,untreated flue gas,activated carbon,reagents,absorbents
Output ingredients
mercurous chloride precipitate,cleaned flue gas,fine powder,suspended solids,low dust emissions,reaction products
Process types
Calomel process / WESP / SDA / Candle filters
Mercury removal
Calomel process / SDA / Candle filters
Particulate removal
WESP / Candle filters
Energy efficiency
Minimized energy cost (WESP)
Material resistance
Chemically inert and corrosion resistant (Candle filters)
Operating temperature
High thermal stability (Candle filters)
Particle size removal
Sub-micron (WESP)
Automation
Online cleaning (Candle filters)
Recycling capabilities
Partial recycling (SDA process)
Gas Treatment
Sub-micron particulate,aerosol,fumes (WESP)
Gas Distribution Control
Precise control (SDA process)
Temperature stability
Chemically inert and thermally stable (Candle filters)
Single or multi-compartment
Housing for large volumetric flow rates (Candle filters)
Side stream processing
Primary and secondary settling (Calomel process)
Reagents/Absorbents Injection
Used in control of gaseous emissions (Candle filters)
Working mechanism
Calomel process,WESP,SDA
Integrated steps
Gas treatment,particulate removal
Batch vs. continuous operation
Continuous
Energy efficiency
Low energy consumption
Automation level
Automated control
Density/particle size
0.5–2.5 g/cm³ / 50–1000 µm
Agglomeration risk
Low risk with spray drying absorption
Tank shape
Conical
Filter type
Ceramic
Filter element cleaning
Compressed air jet pulses
Filter housing
Single or multi-compartment
Discharge method
Settling and storage drums
Reactor type
Bubble column
Control panel type
PLC/SCADA
Integration possibilities
Gas stream integration
Filter customization
Ceramic elements with embedded catalyst matrix
Reagent injection customization
Activated carbon,zinc dust
Drum storage customization
Storage drums for processed solids
Market info
GEA is known for its expertise in engineering innovative and sustainable equipment and solutions, focusing on sectors such as food, beverages, pharmaceuticals, and energy, with a reputation for quality, efficiency, and advanced technological applications in industrial processing.