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Technology
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Livestock Category
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Environmental Impact
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Documentation
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Remarks
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| Intellifarm by Agrifarm |
Slaughtering pigs |
Ammonia: 67 % in combination with Agri Airclean aircleaner.
When using another air cleaner the ammonia effect can be calculated: Overall effect = 0,86 × E − 11.
Odour: 53 % in combination with Agri Airclean aircleaner.
When using another air cleaner the odour effect can be calculated: Overall effect = 0,53 × E + 9.
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MELT Expert Recommendation |
Admitted to List of Environmental Technologies in 2019. |
| Cooling of manure (flush tube barns) |
Pigs |
Ammonia: Up to 30 %. The reduction is calculated on the basis of the formula: 0,85*x-0,004x2 (x=W/m2)
Odour: Up to 20 %. The reduction is calculated on the basis of the formula: 0,77*x
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MELT Expert Recommendation
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Admitted to List of Environmental Technologies in 2018.
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| Cooling of manure (wire-type barn cleaner) |
Pigs |
Ammonia: Up to 34 %. The reduction is calculated on the basis of the formula: 1,66*x-0,02*x2)
No reduction of odour emissions
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MELT Expert Recommendation
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Admitted to List of Environmental Technologies in 2018.
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JH Acidification NH4+
INFARM NH4+
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Pigs |
64 % reduction of ammonia emissions
No reduction of odour emissions
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MELT Expert Recommendation
VERA Verification Statement for JH Forsuring NH4+
MELT recommendation for INFARM NH4+
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Admitted to List of Environmental Technologies in 2012.
Revised in 2014.
Revised in 2020. Infarm NH4+ added
This technique can on special terms substitute natural surface crust.
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JH Smellfighter
In combination with JH Acidification
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Pigs |
51 % odour reduction
Same reduction of ammonia emissions as JH acidification in pig barns
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MELT Expert recommendation
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Admitted to List of Environmental Technologies in 2018.
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JH Acidification NH4+
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Cattle |
33 % reduction of ammonia emissions
No reduction of odour emissions
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MELT Expert Recommendation
Dokumentation report (danish)
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This technique can on special terms substitute natural surface crust.
Finally admitted to List of Environmental Technologies in 2022.
Before that temporarily admitted to List of Environmental Technologies with effect of 50 % reduction of ammonia emissions. Temporarily documentation of the technology by the Danish Environmental Protection Agency
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Daily removal of slurry in mink cages
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Mink |
27 % reduction of ammonia emissions
No reduction of odour emissions
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MELT Expert Recommendation
VERA Verification Statement for daily removal of slurry in livestock housing systems for minks
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Admitted to List of Environmental Technologies in 2013.
Remarks on daily removal of slurry
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Removal of slurry in mink cages twice a week
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Mink |
27 % reduction of ammonia emissions
No reduction of odour emissions
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MELT Expert Recommendation
VERA Verification Statement for removal of slurry twice a week in livestock housing systems for minks
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Admitted to List of Environmental Technologies in 2013.
Remarks on removal of slurry at frequent intervals
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Removal of slurry in livestock housing systems for fattening pigs weekly (flush tube barns)
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Fattening pigs i |
No reduction of ammonia emissions
20 % reduction of odour emissions
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MELT Expert Recommendation
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Admitted to List of Environmental Technologies in 2015.
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Manure belt for laying hens in barns
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Laying hens |
30-36 % ammonia reduction at respectively two and three weekly removals of manure.
No reduction of odour emissions
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Documentation of the technology by the Danish Environmental Protection Agency
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Temporarily admitted to List of Environmental Technologies by special agreement with the Danish Environmental Protection Agency.
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Manure belt for laying hens in cages
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Laying hens |
54-66 % ammonia reduction at respectively two and three weekly removals of manure.
No reduction of odour emissions
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Documentation of the technology by the Danish Environmental Protection Agency |
Temporarily admitted to List of Environmental Technologies by special agreement with the Danish Environmental Protection Agency. |
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Point exhaust ventilation in livestock housing systems for fattening pigs
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Pigs |
Reduction of ammonia emissions depend on the efficiency of the air cleaner attached. The reduction is calculated on the basis of the formula: Overall effect = 0.7 × E – 12
Reduction of odour emissions depend on the efficiency of the air cleaner attached. The reduction is calculated on the basis of the formula: Overall effect = 0.39 × E + 9
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MELT Expert Recommendation |
Admitted to List of Environmental Technologies in 2014.
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Rokkedahl Energi
Heatexchanger for Poultry houses
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Poultry |
30 % ammonia reduction
No reduction of odour emissions
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MELT Expert Recommendation |
Admitted to List of Environmental Technologies in 2016. |