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Materials 2019, 12(8), 1216; https://doi.org/10.3390/ma12081216

Effect of Solid Waste-Petroleum Coke Residue on the Hydration Reaction and Property of Concrete

College of Civil Engineering & Architecture, Qingdao Agricultural University, Qingdao 266109, China
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Received: 18 March 2019 / Revised: 10 April 2019 / Accepted: 11 April 2019 / Published: 13 April 2019
(This article belongs to the Special Issue Sustainability in Construction and Building Materials)
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Abstract

Taking advantage of the desulfurization petroleum coke residue obtained from circulating fluidized bed boiler technology to replace a part of cement clinker and prepare the concrete can not only reduce the production of cement clinker and related CO2 emissions, but can also improve the utilization rate and utilization level of petroleum coke waste, which has good environmental and economic benefits. In this study, through the comprehensive analysis of a compressive strength test, X-ray diffraction test, and Cl penetration resistance test, the hydration mechanism of desulfurized petroleum coke residue in concrete is revealed, and the optimum replacement ratios of single-added petroleum coke residue, multi-added petroleum coke residue, and mineral admixtures in concrete are evaluated and proposed. The results showed that mixing the 10% petroleum coke residue and 40% blast furnace slag would be most appropriate to replace the cement in concrete, thus the effective utilization of mineral admixtures and coke residue in concrete without strength loss could be realized. View Full-Text
Keywords: chloride ion penetration; strength; mineral admixtures; petroleum coke residue; waste chloride ion penetration; strength; mineral admixtures; petroleum coke residue; waste
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Wang, L.; Quan, H.; Li, Q. Effect of Solid Waste-Petroleum Coke Residue on the Hydration Reaction and Property of Concrete. Materials 2019, 12, 1216.

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