PermNIPIneft, Perm, Russia

E. N. Taraskin, Category I Engineer, Evgeny.Taraskin@pnn.lukoil.com
S. E. Terentiev, Head of Department, Candidate of Engineering Sciences
S. P. Podoinitsyn, Head of Department
D. V. Andreev, Director of Management, Candidate of Engineering Sciences

The current demand of the Russian industry for titanium is to a great extent met at the cost of compulsory import. The top priority today is activation of domestic mining and highlevel processing of titanium ore, including the Yarega field. In the recent decade, cardinally new flow charts of titanium ore opening and processing are projected, tested and approved on an industrial scale, with later extraction of oil and with flotation-based production of leucoxene concentrate. Experience gained in chemical production shows that TiO₂-based coagulants manufactured from quartz–leucoxene feedstock using the chloride technology are promising for water treatment. The real-life testing of the sample coagulants proves their high-tech efficiency in conditioning of different-type water and are reasonably capable to replace conventional coagulants. The range of adopted coagulants includes a few kinds differing by the content of TiO₂. Titanium coagulants with the high content of TiO₂ ensure better purification of natural and industrial water but feature a high cost and heavy precipitation. Complex coagulants have the content of TiO₂ less by a few times but display admissible efficiency in conditioning of tank water highly contaminated with mechanical impurities and oil. Another advantage of complex coagulants is their applicability to manufacture gel-forming mixture for wrapping wet strata.

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