Other housing systems and indoor logistics handling of livestock manure

Technologies and housing systems that functions with a minimal loss of nutrients

Select here in order to look up information about technologies concerning "Other housing systems and indoor logistics handling of livestock manure":

Short description

Ammonia evaporation is negatively correlated with the temperature. Cooling the slurry in the slurry channels with an effect of 24 W/m2 slurry channel has scientifically been verified to give 31% reduced ammonia evaporation. The effect on evaporation depends on the housing system and the cooling effect.

Slurry cooling is established by embedment of plastic (PEL) tubing at the bottom of slurry or manure channels in the stables. The hoses are typically laid with a distance of 35-40 cm. In stables with slurry system, the cooling hoses are alternatively laid directly on top of the channel bottom. The cooling tubes are connected to a heat pump. Liquid cooling is most relevant in pig herds wherein the recovered heat can be used for heating purposes, which typically is about herds with sows and piglets.

Best Available Technique: in DK

Reduce ammonia evaporation from stables.

Level of complexity

Usual scale

Innovation stage

General diagram
Applied to

Typical technology combinations Any manure processing can hapen after the slurry coling

Tubes for slurry cooling laid out for being moulded into the slurry channel floors in a pig house to be built. Photo provided by KH Nordtherm.

Theroetical fundamentals and process description
Environmental effects

Effects on air (emissions):

  • < 30% reduced ammonia evaporation in pig houses.

Effects on water/soil (and management):

Not indicated

Other effects:

Not indicated
Biosecurity aspects Not indicated
Technical indicators

Conversion efficiency:

Economic indicators (Economic figures are rough indications, which cannot be used for individual project planning)
  • Operational costs - explanation:

    Energy requirement to obtain the mentioned effect is 24 W/m2 slurry channel.

Literature references
Real scale installation references
Examples of suppliers