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WASTE DELIVERY AND STORAGE

Waste brought to the plant is weighed and registered. The trucks with waste go the delivery hall where the waste is dumped directly to a giant bunker. It is a deep and tight “trench” from which the waste is collected by a special gripping device mounted on an overhead travelling crane and transported to the hopper. Partial vacuum used in the hall and bunker prevents spreading of odours to the outside.

 

WASTE INCINERATION

From the hopper waste is transported directly on a movable grate where it is steadily moved downwards, and the whole incineration process is monitored. Waste incineration temperature may reach even 1000°C and is much higher than the temperature in a household furnace. This makes it possible to significantly reduce the pollution already in the combustion chamber.

 

ENERGY RECOVERY

Heat generated in the process of waste incineration warms up water in the boiler integrated with the grate. Steam produced in this system is channelled to the turbine which powers the generator. The machine is responsible for production of electric energy which is supplied to the national power distribution grid.  Whereas the steam from turbine tapping points is used to generate thermal energy transmitted to the municipal district heat network. The plant operates in a co-generation mode, which means that it is capable of generating heat and electricity at the same time.

 

PROCESS MONITORING

All the parameters of processes performed in the plant are subject to continuous monitoring and optimisation.  Emissions monitoring is performed by means of sensors installed on stacks. The data are controlled by relevant external authorities (Voivodeship Inspectorate for Environmental Protection) and the Environmental Protection Officer employed in the plant.

 

EXHAUST GAS TREATMENT

Treatment of exhaust gas produced during incineration is a multi-stage process and a critical element of the whole plant. Pollutants are reduced both by using appropriate equipment and technologies and by ensuring that the process is conducted properly and in a stable manner.  Effectiveness of the applied exhaust gas treatment methods is 99%.  The system guarantees compliance with strict environmental standards.

 

PROCESS RESIDUES

By-products of the waste incineration process are process residues, namely slag from incineration (IBA) and dust from exhaust gas treatment (APCR). They are managed in a proper way in the plant and subject to recovery processes. In the plant IBA is used to recover ferrous and nonferrous metals, and the remaining fraction may be applied as an additive to construction aggregates. Whereas the APCR can be used to fill empty headings in salt mines.

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