Biopurification system Country of the study Type of substrates tested Literature resource
  Biomassbed   Italy Urban/Garden Compost
Straw
Citrus peel
Vine branches
  [9]
  Biobed   Sweden Soil
Peat
Wheat straw

[3,5]
    Biobed     Greece Cotton crop residues
Olive leaves compost
Corn cobs
Sunflower residues
Orange peels
Soil
Spent mushroom substrate
    [14]
  Biobed   Denmark Wheat straw
Sphagnum
Soil

[11]
  Biofilter   Belgium Soil
Straw 
Peat 
Garden waste compost
Cow manure
Willow chopping
Coconut chips
 
[3,5]
  Phytobac   Belgium/France Soil
Green compost,
Straw
Leek rests

[13]
  Biobed   UK Topsoil
Peat
Wheat straw

[6]
  Biobed   Chile Andisol
Peat
Wheat straw

[12]
Table 1: Example of biopurification system.