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Chemistry for Sustainable Development

2014 year, number 2

Сhemical Mercury Carbonization in Industrial Wastes

YU. V. OSTROVSKY1, G. M. ZABORTSEV1, I. M. BELOZEROV2, A. V. BABUSHKIN3, D. YU. OSTROVSKY3 and V. A. MININ4
1Research and Production Center Eidos Ltd., Ul. B. Khmelnitskogo 2, Novosibirsk 630075 (Russia)
E-mail: ost@vnipiet-nsk.ru
2State Specialized Design Institute JSC, Novosibirsk VNIPIET, Ul. B. Khmelnitskogo 2, Novosibirsk 630075 (Russia)
3Novosibirsk Chemical Concentrates Plant (NCCP) OJSC, Ul. B. Khmelnitskogo 94, Novosibirsk 630110 (Russia)
4Siberian Geotechnology Ltd., Vesenniy proezd 6, Novosibirsk 630090 (Russia)
Keywords: mercury-containing wastes, carbon dioxide, basic carbonate of divalent mercury, hydrogen peroxide, carbonization, biotesting
Pages: 155–160

Abstract

The method of gas-chemical carbonization of mercury in industrial mercury containing wastes (construction waste and soils) of companies of SC Rosatom with the use of carbon dioxide has been examined. The thermodynamic analysis of the reaction of the formation of divalent mercury basic carbonate (HgCO3 ⋅ 2HgO) at the interaction of mercury oxide with carbon dioxide was performed. The influence of the pressure of carbon dioxide, temperature and treatment time on the effect of gas-chemical carbonization of mercury oxide was studied. The technological scheme of the two-stage gas chemical recycling of mercury-containing wastes has been proposed. Biotesting of samples of construction waste and soils subjected to gas-chemical carbonization of mercury has been held.