Environmental Technologies and Eco-innovation in the Czech ...
Environmental Technologies and Eco-innovation in the Czech ...
Environmental Technologies and Eco-innovation in the Czech ...
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that macromolecules of <strong>the</strong>se substances are formed. The undesirable substances are<br />
removed from <strong>the</strong> water as a flotation foam 20 <strong>and</strong> sludge leav<strong>in</strong>g <strong>the</strong> process tank <strong>and</strong><br />
<strong>the</strong> f<strong>in</strong>al settl<strong>in</strong>g tank. The system is similar to electroflotation where a coagulat<strong>in</strong>g<br />
agent is also added) for treat<strong>in</strong>g (<strong>and</strong> pre-treat<strong>in</strong>g) water highly polluted from oils<br />
<strong>and</strong> greases.<br />
20 flotation foam – it is formed on <strong>the</strong> tank’s surface of <strong>the</strong> gas bubbles (here arisen due to electric decomposition of water); it<br />
is <strong>the</strong> layer of foam <strong>in</strong> which <strong>the</strong> impurities attached to <strong>the</strong> bubbles are accumulated<br />
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