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VDI 3677 BLATT 3

Filtering-separators - High-temperature gas filtration

active, Most Current
Organization: VDI
Publication Date: 1 November 2012
Status: active
Page Count: 44
ICS Code (Stationary source emissions): 13.040.40
scope:

This guideline provides information regarding the design, construction and operation of high-temperature gas filters operating at temperatures of up to 1000 °C. Information contained in the diagrams and tables is provided by way of example and, in view of the numerous interactions betweenindividual systems and exhaust gases, can be applied only to the cited applications.

High-temperature gas filters can be employed wherever process control prevents cooling before or during filtration - i.e. before the next process step - or where cooling the gases before filtering would be uneconomical.

This applies to:

  • power plant processes: woodchip combustion
  • gasification of waste and biomass, e.g. wood
  • incineration of household and industrial waste, clinical waste and low-level radioactive waste, e.g. protective clothing, equipment
  • recovery of precious metals and other valuable resources from catalysts
  • production of catalysts
  • separation of calcium carbide in calcium carbide production
  • calcining processes, e.g. nanopowder production (e.g. pigments) or aluminium oxide
  • metal production, e.g. magnesium
  • dust extraction from furnaces and fluid-bed processes, e.g. in the glass industry
  • aluminium sulphate production
  • foundry sand preparation

Document History

VDI 3677 BLATT 3
November 1, 2012
Filtering-separators - High-temperature gas filtration
This guideline provides information regarding the design, construction and operation of high-temperature gas filters operating at temperatures of up to 1000 °C. Information contained in the diagrams...
November 1, 2010
Filtering separators - Surface filters
This guideline covers filtering separators (surface filters) for the collection of solid particles from gas streams in emission control, process gas cleaning and product separation applications....
February 1, 2004
Filtering separators - Depth fiber filters
Part 2 of VDI 3677 describes depth filters (also called air filters) serving to remove particulate contaminations from the supply, exhaust, and recirculated air of ventilation and air-conditioning...

References

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