Authors: N.V. Galuziy, T.G. Cherkasova

Title of the article: Disposal of sulfur-containing waste (bitumen sludge) formed by production of sulfuric acid

Year: 2019, Issue: 2, Pages: 45-50

Branch of knowledge: 05.17.01 Technology of inorganic substances

Index UDK: 661.21 (66.061)

DOI: 10.26730/1999-4125-2019-2-45-50

Abstract: The article presents a brief review of possible methods for utilization of sulfur-containing waste generated during the production of sulfuric acid. On production, this waste is called sludge-bitumen or sulfuric cake. Gray cake is typical for the production of sulfuric acid from lumpy, gaseous or flaked sulfur. Waste is formed only at the first stage of acid production - melting and filtration of sulfur, from the lower edge of the coil to the bottom of the melter. Cleaning of the monolith is done manually with a jackhammer, which is associated with large labor costs. And the formed waste containing sulfur belongs to the IV class of danger, is flammable, it is characterized by spontaneous combustion, and therefore, it is not recyclable at landfills of industrial wastes. Accordingly, this leads to its accumulation and, as a consequence, to environmental pollution. In the production of sulfuric acid from liquid sulfur, due to the purity of the raw materials, sludge-bitumen is not formed.

Key words: sludge bitumen sulfuric cake production waste sulfur sulfuric acid concrete extraction sulfur concrete

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