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 |
50% reduction of ammonia emissions
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.
This technique can on special terms substitute natural surface crust.
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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. |
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. |