Animal By-Products Regulations

From Wikipedia, the free encyclopedia
Jump to: navigation, search

The Animal By-Products Regulations (No 1774/2002) (SI 1482/2003) allows for the treatment of some animal by-products in composting and biogas plants (anaerobic digesters). The following article describes procedures required to allow solid outputs (compost, digestate) from composting plants and anaerobic digesters onto land in the United Kingdom.

Categories of Animal By-Products[edit]

  • Category 1: Very high risk
  • Category 2: High risk
  • Category 3: Low risk

Category 1[edit]

Must all be destroyed, not for use in composting or biogas plants

Category 2[edit]

Can be used in composting and biogas plants after rendering (133C, 3 bar pressure) Manure and gut contents only can be used after pretreatment

Category 3[edit]

  • Catering waste from households, restaurants
  • Former food
  • Much slaughter house waste e.g. waste blood & feathers

Can be used in composting and biogas plants without pretreatment

Treatment Standards[edit]

Composting[edit]

Closed reactor

  • Maximum particle size 40cm, minimum temperature 60C, minimum time at that temperature 2 days
  • Maximum Particle size 6cm, minimum temperature 70C, minimum time at that temperature 1 hour

Housed windrow

  • Particle size 40cm, minimum temperature 60C, minimum time at that temperature 8 days

Biogas plants[edit]

  • Maximum particle size 5cm, minimum temperature 57C, minimum time at that temperature 5 hours
  • Maximum particle size 6cm, minimum temperature 70C, minimum time at that temperature 1 hour

[1]

References[edit]

  1. ^ Application and inspection form for approval to treat animal by-products and/or catering waste composting or biogas plants

See also[edit]