Binder+Co extract glass from waste incineration residue

9. August 2011

 

Until now the communal waste of the Slovakian city, Bratislava, was burned in an incineration plant, whereby energy was recovered exclusively from the waste itself. The product of the combustion process was used for sealing waste disposal sites. In cooperation with a Slovakian specialist in used air, Binder+Co designed a glass recovery facility, and have […]


Until now the communal waste of the Slovakian city, Bratislava, was burned in an incineration plant, whereby energy was recovered exclusively from the waste itself. The product of the combustion process was used for sealing waste disposal sites.

In cooperation with a Slovakian specialist in used air, Binder+Co designed a glass recovery facility, and have now completed its installation. From the low-quality incineration residue, pure waste glass is recovered, which can be used as a high-value secondary raw material in Slovakian glassworks.


In order to exploit the waste of the 430,000 inhabitants of Bratislava, the civic authorities founded in 1992 a waste utilisation plant for communal refuse with the operator OLO a.s. (ODVOZ A LIKVIDACIA ODPADU a.s.). Every month the plant’s vehicles collect the 9,000 tonnes of communal waste, which is burned in a thermal waste incineration unit.

In the waste incinerator, 6.3 megawatts of electrical power are recovered from around 22 t/h of domestic waste. The products resulting from combustion were used until now for sealing waste disposal sites.

In cooperation with a Slovakian specialist in used air, Binder+Co designed a state-of-the-art glass recovery facility, and completed its installation in January 2011. Through so-called shard sublimation, pure waste glass is now recovered from the low-quality incineration residue, and can then be used as a high-value secondary raw material in Slovakian glassworks.

The machinery necessary for the extraction of waste glass fragments – such as the sorting system, the sieve machine, the fluidised bed dryer, dry cleaner, and the conveyor facilities – are from Binder+Co; the central dust-removal plant was acquired separately.

Source: Binder + Co AG, Mr. Christian Makari / 1 June 2011

 
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