Patent ID: 8544775

Claim:
A putrescible organic waste treatment system comprising: a comminution unit configured to substantially comminute putrescible organic waste into a pulp slurry, the comminution unit comprising: a rotary comminution unit driven by a motor and configured to comminute the putrescible organic waste into a waste pulp; a variable valve configured to control the flow of water from a supply of water to the comminution unit; a control unit configured to control the variable valve and the motor, wherein responsive to receiving a measure of an electric load on the motor, the control unit is configured to: control the quantity of water supplied to the comminution unit to produce the waste pulp having a predetermined physical characteristic by controlling the variable valve to vary the flow of water from between 0% and 100% of a total available water flow, and automatically switch the motor off if the measure of the electrical load falls below a predetermined lower threshold.