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Compost and Biogas Managers Survey on Efficiencies of Technologies to Remove Contamination
1.
What Country are you from?
2.
What techniques / technology do you use in your plant(s) use to remove contamination from
unprocessed feedstocks?
Packaged / unpacked food
Biowaste (food & garden waste)
Hand Picking Contamination by People on Unprocessed Feedstock
Packaged / unpacked food
Biowaste (food & garden waste)
Magnet
Packaged / unpacked food
Biowaste (food & garden waste)
Trommel Screen
Packaged / unpacked food
Biowaste (food & garden waste)
Wind Sifter
Packaged / unpacked food
Biowaste (food & garden waste)
Ballistic Separator
Packaged / unpacked food
Biowaste (food & garden waste)
Paddle Depacker
Packaged / unpacked food
Biowaste (food & garden waste)
Separator to Remove Plastic
Packaged / unpacked food
Biowaste (food & garden waste)
Hammermills – physical contaminants on size – plastics and others
Packaged / unpacked food
Biowaste (food & garden waste)
Sedimentation Tank with Air Injection – heavies including grit like glass, eggshells, bones
Packaged / unpacked food
Biowaste (food & garden waste)
Other (please specify)
3.
Unprocessed Feedstock at Compost Plants:
Based on your experience, what is the approximate level of efficiency of the technologies below in removing plastic contamination?
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Hand Picking Contamination by People on Unprocessed Feedstock
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Magnet
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Trommel Screen
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Wind Sifter
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Ballistic Separator
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Other (please specify)
4.
Unprocessed Feedstock at Biogas Plants:
Based on your experience, what is the approximate level of efficiency of the technologies below in removing plastic contamination?
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Hand Picking Contamination by People on Unprocessed Feedstock
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Paddle Depacker
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Separator to Remove Plastic
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Hammermills – physical contaminants on size – plastics and others
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Sedimentation Tank with Air Injection – heavies including grit like glass, eggshells, bones
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Other (please specify)
5.
What techniques / technology do you use in your plant(s) use to remove contamination from the final compost or digestate?
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Air lift Separators
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Picking Stations
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Star Screens
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Hand Sorting
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Conveyor Separation with Air
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Flotation Separation
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Air Classifiers
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Gravity Separation
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Optical Sorting
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Magnets
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Trommel Screens
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Vibrating Screens – screened at less than 2mm – plastics
Compost
Whole Digestate
Separated Digestate Fibre
Separated Digestate Liquor
Other (please specify)
6.
COMPOST:
Based on your experience, what is the approximate level of efficiency of the technologies below in removing plastic contamination from compost?
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Air lift Separators
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Picking Stations
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Star Screens
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Hand Sorting
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Conveyor Separation with Air
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Flotation Separation
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Air Classifiers
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Gravity Separation
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Magnets
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Trommel Screens
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Other (please specify)
7.
DIGESTATE:
Based on your experience, what is the approximate level of efficiency of the technologies below in removing plastic contamination from digestate?
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Vibrating Screens – screened at less than 2mm – plastics
<60%
<70%
<80%
<90%
<95%
<97.5%
<99%
Other (please specify)
8.
What particle sizes (mm) do you screen the final compost or digestate at?
9.
If you would like to receive a copy of the final report or details on the upcoming online workshop on the 23rd February on the draft conclusions of the study, please enter your email below.
Your email address and responses to the questionnaire will be received separately meaning your responses remain anonymous.