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Mist Eliminators

Mist Eliminators

KnitMesh Technologies’ Mist Eliminators, also known as Demisters or Entrainment Separators, provide superior mist removal for cleaner and safer environments.

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Understanding Mist Elimination

Mist, also known as liquid droplets, can be a by-product of various industrial processes such as chemical reactions, cooling towers, and petrochemical refining. These tiny liquid droplets suspended in process gases can hinder productivity, contaminate equipment, and lead to environmental concerns if not properly managed.

Mist Eliminators, also known as Demisters or Entrainment Separators, are devices designed to capture and remove these unwanted liquid droplets from gases, allowing for cleaner and safer operations. They function by employing specialised materials and innovative designs to efficiently separate the mist from the gas stream, preventing it from escaping into the atmosphere or causing damage to downstream equipment.

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Figures depicting vertical and horizontal vessel arrangements with Mist Eliminators (Demisters).

Oil and Gas Production

 

In the oil and gas industry, Mist Eliminators are primarily used to remove liquid droplets in the form of mist or aerosols from gas streams. These liquid droplets can be present in the form of oil, water, or other chemicals, and their removal is crucial to ensure the efficiency and safety of downstream processes.

  • Three phase separators
  • Inlet scrubbers
  • Compressor systems
  • Cold separators
  • Glycol dehydration
  • Amine absorption columns

Chemicals

 

Chemical processes often involve hazardous substances and by-products, and when these substances are in the form of a mist, they can pose significant health risks if inhaled or released into the environment. Mist Eliminators help to prevent the dispersion of these harmful substances by capturing and removing the mist particles.

  • Distillation
  • Gas absorption and stripping
  • Condensation
  • Gas compression
  • Dehumidification and drying
  • Spray removal and desalination
  • Seawater desalination plan

Petrochemicals and Petroleum Refineries

 

Mist Eliminators are essential in petrochemical plants and petroleum refineries to separate liquid droplets from gas streams, ensuring compliance with environmental regulations and maintaining operational efficiency.

  • Olefin and methanol production
  • Oxo alcohols and derivatives
  • Condensation from liquefied petroleum gas
  • Crude oil distillation
  • Catalytic cracking

Power Generation

 

The presence of liquid droplets in gas streams can lead to corrosion of equipment, fouling of heat exchangers, and erosion of turbine components. Mist Eliminators are employed to capture and remove these liquid contaminants before they can cause damage or decrease the efficiency of power generation systems.

  • Steam drums
  • Seawater desalination plant
  • Flue gas desulphurisation
  • Compressor systems

Green Hydrogen

 

During electrolysis, gas streams can contain small liquid particles that need to be removed to ensure the purity and safety of the hydrogen product. Mist Eliminators are employed to capture and separate these liquid droplets, preventing contamination and potential damage to downstream equipment.

  • Water electrolysis
  • Pipeline systems
  • Downstream components
  • Fuel cells

Inorganic Chemicals 

 

In the production of inorganic chemicals, Mist Eliminators are deployed to effectively remove liquid droplets or mists from process gas streams. These droplets can arise from various sources such as chemical reactions, cooling, condensation, or interfacial contact.

  • SO3 absorption and air drying
  • NO2 absorption and nitric acid concentration
  • HCl and chlorine absorption
  • Air discharges
  • Urea from gas discharges
  • Fertiliser production
  • Gas scrubbing systems

Discover KnitMesh Technologies’ Mist Eliminators

KnitMesh Technologies’ Mist Eliminators offer a cost-effective, versatile, and efficient solution for removing liquid droplets from gas streams in various industrial applications. The Mist Eliminators are designed using a bed of knitted wire mesh, creating a twisted path and a large surface area that effectively captures and separates droplets in a gas stream, promoting efficient gas purification.

The Mist Eliminators are available in various installation options, with standard designs offering excellent separation efficiency, capable of effectively capturing droplets as small as 2 microns. Additionally, the pressure drop is typically less than 25mbar, demonstrating their effectiveness.

These Mist Eliminators are customised to fit the dimensions of the vessel or housing in which they will be installed, and with their rigid support grids, they allow for direct installation on supports like beams and rings within the vessel. Their sectional installation makes handling and access through vessel manways more convenient, and KnitMesh Technologies provides accessories such as tie wire bolting clamps and support beams if needed.

Features and Benefits

  • Enhanced efficiency: Designed to effectively remove mist, droplets, and entrained liquids from gas streams.
  • Low pressure drop: Minimises energy consumption by offering a low resistance path for gas flow.
  • Clean and safe environment: Significantly improves air quality, creating a healthier and safer working environment.
  • Equipment protection: Prevents corrosion, fouling, and blockages in downstream equipment.
  • Compliance with environmental regulations: Minimises the release of pollutants and harmful emissions.
  • Cost savings: Minimises operational costs by reducing product loss and preserving valuable liquids from the process stream.
  • Durable and reliable: Constructed with durable materials, ensuring long-lasting performance.
  • Flexible installation: Available in various sizes and configurations to accommodate different industrial processes.
  • Easy maintenance: Simple to clean and maintain, ensuring consistent performance and minimising downtime.
  • Application versatility: Suitable for a wide range of industries and processes.
  • Customisable solutions: Can be tailored to specific requirements, including size, shape, and material selection.
  • Quality assurance: ISO 9001 accreditation ensures consistent quality and performance standards.

Suitable Materials for Mist Eliminators