Chemical composition, pH value, and points of zero charge of high calcium and high iron electric arc furnace slag

Ahmad, Siti Zu Nurain and Hamdan, Rafidah and Wan Mohamed, Wan Afnizan and Othman, Norazila and Mohd Zin, Nur Shaylinda (2018) Chemical composition, pH value, and points of zero charge of high calcium and high iron electric arc furnace slag. International Journal of Engineering & Technology, 7 (2.14). pp. 186-190. ISSN 2227-524X

Text
AJ 2018 (503).pdf
Restricted to Registered users only
Download (263kB) | Request a copy

Official URL: http://dx.doi.org/10.14419/ijet.v7i2.14.12822

Abstract

Electric arc furnace (EAF) slag as filter media has been extensively used nowadays for wastewater treatment technology. Steel slag was produced as byproduct from steelmaking processes. However, different batches of steel slag production produce different composition. Thus, this study determined the chemical composition, pH value and points of zero charge (PZC) of two different samples of electric arc furnace (EAF) slag; high iron EAF slag (Slag HFe) and high calcium EAF slag (Slag HCa). The steel slag were characterized using Xray Fluorescence Spectroscopy (XRF) analysis for the chemical composition, extraction with boiling water for pH value, and salt addition method for PZC. Slag HFe was mainly consisted of 38.2% ferric oxide and 20.4% calcium oxide, 10.20 pH value and pH 10.55 for PZC. While for Slag HCa, they were composed of 1.64% ferric oxide and 49.5% calcium oxide of pH value of 11.11 and pH 11.75 for PZC. Therefore, Slag HCa was considered as a more basic species compared to Slag HFe.

Item Type:	Article
Uncontrolled Keywords:	Classification; Single Classification; Ensemble Methods; Medical Application
Subjects:	T Technology > T Technology (General) T Technology > TD Environmental technology. Sanitary engineering > TD201-500 Water supply for domestic and industrial purposes > TD429.5-480.7 Water purification. Water treatment and conditioning. Saline water conversion
Divisions:	Faculty of Civil Engineering and Built Environment > Department of Civil Engineering : Water and Environmental Engineering
Depositing User:	UiTM Student Praktikal
Date Deposited:	09 Jan 2022 04:32
Last Modified:	09 Jan 2022 04:32
URI:	http://eprints.uthm.edu.my/id/eprint/5357

Actions (login required)

View Item