3 DESA filter bags are being installed at the gas-purifying machines at the Krasnoyarsk Aluminum Works.
The size of the purification is 4 square meters, up 2-fold from the currently used filters.
Over 2 thousand innovative filter bags have been installed in the gas-purification system.
Since 2004 the company has been able to decrease pollution by 40%.
Investments in the past 3 years exceeded 3 billion rubles. (Ukrainian metal)
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