PRODUCTION OF CONCRETE USING SULFUR CAKE

UDC 666.974:661.25

  • Shalukho Nataliya Mikhaylovna − PhD (Engineering), Assistant Professor, the Department of Chemical Technology of Binding Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: shalukho@belstu.by

  • Bulay Tat’yana Vyacheslavovna − Senior Lecturer, the Department of Construction Production. Grodno State University named after Ya. Kupala (22, Ozheshko str., 230023, Grodno, Republic of Belarus). E-mail: best20.04@mail.ru

  • Lukash Elena Vatslavovna − PhD (Engineering), Assistant Professor, the Department of Chemical Technology of Binding Materials. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: ellukash@belstu.by

  • Yuzhik Alina Viktorovna − Student. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: alinayuzhik@gmail.com

DOI: https://doi.org/10.52065/2520-2669-2022-259-2-64-71

Key words: sulfur cake, technical natural sulfur, sulfur concrete, waste, strength, water absorption, filler, sand, chemical resistance, density.

For citation: Shalukho N. M., Bulay T. V., Lukash E. V., Yuzhik A. V. Production of concrete using sulfur cake. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2022, no. 2 (259), pp. 64–71 (In Russian). DOI: https://doi.org/10.52065/2520-2669-2022-259-2-64-71.

Abstract

The possibility of using sulfur-containing waste generated at a number of oil-chemical and chemical enterprises in the production of sulfuric acid at the stage of filtration of molten sulfur is shown. The purpose of the study is to obtain sulfur concrete based on a sulfur binder with the replacement of part of the technical natural sulfur with sulfur cake and to determine its physical and mechanical properties. This will ensure a reduction in the cost of sulfur concrete and solve the problem of partial waste disposal. Experimental results on obtaining samples of sulfur concrete, which is a composite material based on a sulfur binder and filler, are presented. It was found that the replacement of natural sulfur with sulfur cake (up to 35 wt. %) does not cause deterioration of the entire complex of properties (compressive strength, density, water absorption, chemical resistance) compared to control samples that do not contain waste. Indicators of water absorption and chemical resistance of sulfur concrete samples exceed those for traditional cement concretes. The optimal composition of sulfur concrete, wt. %, has been experimentally determined: technical sulfur – 50; sulfur cake – 25; sand – 25, which has the following properties: compressive strength – 51.3 MPa, water absorption – 0.28, chemical resistance expressed through mass loss – 0.23–0.25%.

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