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Prof. Mohamed Ahmed Hassan Heikal :: Publications:

Title:
Synergetic effect of dealuminated kaolin and electric arc furnace slag in the preparation of eco-friendly binders
Authors: 120. Ibrahim Hatem, Mohamed Heikal, MY Nassar, and SM Ibrahim
Year: 2022
Keywords: Geo-polymer; Eco-friendly binder; Dealuminated kaolin; and Microstructure
Journal: Benha Journal of Applied Science
Volume: Volume 7,
Issue: Issue 12,
Pages: 17-25
Publisher: Benha University
Local/International: Local
Paper Link:
Full paper Mohamed Ahmed Hassan Heikal_BJAS_Volume 7_Issue 12_Pages 17-25.pdf
Supplementary materials Not Available
Abstract:

The work aims to reuse two different industrial solid wastes (Dealuminated kaolin (DK) and Electric arc furnace slag (EAFS)) in the manufacture of eco-friendly binder. The probability of producing the more durable eco-friendly geo-polymer binders is produced from blending EAFS, and DK solid wastes sections with different dosages of alkaline activator solution. The produced binder was treated at ± 30oC at relative humidity (RH) 98 ± 1 %. Different experimental tests were performed such as, compressive strength, combined water, and free slag content. In addition to instrumental techniques such as XRD, DTA/TGA, SEM and FTIR were performed. DK hindered the formation of micro cracks through EAFS-geopolymer and enhanced the C-S-H formation beside enhanced the durability of the binder matrixes.

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