Oxidative neutralization of alkaline sulfide effluents
About authors
- 1 — Novosibirsk State Technical University
- 2 — G.K. Boreskov Institute of Catalysis, Siberian Branch of the RAS
- 3 — G.K. Boreskov Institute of Catalysis, Siberian Branch of the RAS
Abstract
The process of liquid-phase oxidation of sulfide-containing wastewater by oxygen over porous graphite material "Sibunite" used as a catalyst and adsorbent has been studied. The purification process consists of two consecutive stages. The use of "Sibunite" as a catalyst in oxidation reactions and adsorbent for extraction of organic substances from wastewater allows to carry out oxidation of sulfide ions to sulfates at T=110-130°C (stage 1) and oxidation of organosulfur and organic components at T=200-240°C (stage 2) and completely solve the problem of neutralization of toxic substances contained in alkaline hydrogen sulfide wastewater.
References
- Кириллов В.А. Реакторы с участием газа, жидкости и твердого неподвижного катализатора. Новосибирск: Изд-во СО РАН, 1997.
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