Addition of ceramics materials to improve the corrosion resistance of alumina refractories

• Published in: SN applied sciences Vol. 1; no. 7; p. 784
• Main Authors: Valenzuela-Gutiérrez, A., López-Cuevas, J., González-Ángeles, A., Pilalua-Díaz, Nun
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 01.07.2019; Springer Nature B.V
• Subjects: 1. Chemistry (general); Acid resistance; Acids; Alumina; Aluminous refractories; Aluminum oxide; Applied and Technical Physics; Atmospheric pressure; Bulk density; Calcium hydroxide; Ceramics; Chemistry/Food Science; Chromium oxides; Clay; Continuous flow; Corrosion; Corrosion resistance; Corrosion tests; Corundum; Earth Sciences; Engineering; Environment; Grain boundaries; Impurities; Materials Science; Minerals; Mullite; Porosity; Review Paper; Sediments; Silicon dioxide; Sintering (powder metallurgy); Slag; Slaked lime; Sodium hydroxide; Sulfuric acid; Titanium dioxide; Vapors; Weight loss; Zirconium dioxide; Zirconium silicate; Refractory ceramics; Mullite; Corundum; Acid and alkaline resistance

This review shows that adding ceramic materials such as ZrO 2 , ZrSiO 4 , TiO 2 , SiO 2 , Cr 2 O 3 , etc., to abase alumina refractory clay, improves the corrosion resistance under the presence of acid (H 2 SO 4 , HCl, HNO 3 , etc) and/or alkaline (NaOH, KOH, Na 2 O, Ca(OH) 2 , etc) solutions. Chara...