Lakeside Clinical Waste Incinerator

Clinical Waste Incinerator operated by Grundon and located adjacent to their Lakeside EfW facility in Colnbrook, Berkshire[1].

The facility s permitted to process 10,000 tonnes per year[2].

Operator	Grundon
Site	Lakeside Clinical Waste Incinerator
Permit No	BT2866IG
Plated	10000
Status	Operational

Incinerator waste loading system. This consists of two separate loading systems, namely a conveyor in-feed section fed by two self-contained bin loaders and a semi-automatic bin loader (Lodematic) that loads directly into the primary chamber loader box.
The primary chamber that burns the waste. The chamber is initially gas fired but as the waste volume burned comes up to the required temperature so the volume of gas burned falls away. Primary and under fire air is introduced into the chamber to support combustion. The gaseous product of combustion passes onto the secondary chamber and the ash is released into a bin under the chamber. Water is sprayed into the primary chamber to reduce over-temperature.
A waste fuel system allows waste fuel to be burnt in the primary chamber.
A gas fired secondary chamber ensures complete combustion and that the products of combustion reach a temperature greater than 1100°C for 2 seconds with oxygen content of greater than 6%. Secondary air is introduced into the crossover between the primary and secondary chambers.

Ash is released from the primary combustion chamber on a batch wise basis.
The gas from the secondary chamber passes into the boiler where it is cooled down by producing steam. The steam is either sent to the EfW plant or the air blast coolers where it is condensed.
Gas from the boiler passes into the Flue Gas Treatment plant. Here the gas is cooled and passed through the reactor, filter units.
On leaving the treatment plant the flue gas is passed through the Induced Draft Fan and then sent to atmosphere via the stack.
The plant incorporates CEMS (Continuous Emission Monitoring System).
The plant uses gas, electricity, water, compressed air and hydraulic services. [2]

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