Gamyklinių ir modelinių galvaninių nuotekų dumblų ypatumai
| Year | Start Page | End Page |
|---|---|---|
2004 | 107 | 112 |
Heavy metals can be precipitated to slum from galvanic waste water by ferroferrihidrozol (FFH). FFH consists of iron Fe (III) and Fe (II) hydroxides generated electrochemically. This reagent is the best at this time and leaves cations in treated water at a very small 0.05 mg/l level. The basic components of such FFH slam are ferrous oxides at quantity up to 75% and other heavy metal oxides up to 15% in industrial slum. The main task of this work was to study the influence of heavy metal components of slum on slum chemical and physical properties. Some differences between model and industrial slum properties were found. One of them amorphysm of industrial in comparison to model slum is. A conclusion was made that such FFH slum can be utilizated like a row material for brown pigment manufacturing. It could be not only ecological, but economical benefit too.