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Division BAT 8

United Kingdom

Original text. Later amendments are not shown.

In order to use energy efficiently in a farm, BAT is to use a combination of the techniques given below.

A description of the techniques is given in Section 4.2.
Techniquef1 Applicability
aHigh efficiency heating/cooling and ventilation systems.May not be applicable to existing plants.
bOptimisation of heating/cooling and ventilation systems and management, especially where air cleaning systems are used.Generally applicable.
cInsulation of the walls, floors and/or ceilings of animal housing.May not be applicable to plants using natural ventilation. Insulation may not be applicable to existing plants due to structural restrictions.
dUse of energy-efficient lighting.Generally applicable.
e

Use of heat exchangers. One of the following systems may be used:

  1. 1..

    air-air;

  2. 2..

    air-water;

  3. 3..

    air-ground.

Air-ground heat exchangers are only applicable when there is available space due to the need for a large soil surface.
fUse of heat pumps for heat recovery.The applicability of heat pumps based on geothermal heat recovery is limited when using horizontal pipes due to the need for space availability.
gHeat recovery with heated and cooled littered floor (combideck system).

Not applicable to pig plants.

Applicability depends on the possibility to install closed underground storage for the circulating water.

hApply natural ventilation.

Not applicable to plants with a centralised ventilation system.

In pig plants, this may not be applicable to:

  • housing systems with littered floors in warm climates;

  • housing systems without littered floors or without covered, insulated boxes (e.g. kennels) in cold climates.

In poultry plants, this may not be applicable:

  • during the initial stage of rearing, apart from duck production;

  • due to extreme climate conditions.

Annotations

Footnotes

f1

A description of the techniques is given in Section 4.2.