Division (d) The manure must be mixed with quick lime (CaO) which has a medium to high reactivity of less than six minutes to achieve a 40 °C rise in temperature as per the criteria in the reactivity test 5.10 in the CEN EN 459-2:2002 method .F1

The mixing must be carried out with two mixers which are operating in line, with two screws per mixer.

Both mixers must:

1. (i)

   have a screw diameter of 0,55 m and a screw length of 3,5 m;

2. (ii)

   operate with a power of 30 kW and a rotation speed of the screw of 156 rpm;

3. (iii)

   have a treatment capacity of 10 tonnes per hour.

The mean blending duration must be approximately two minutes.