KINETIC MODEL FOR DISSOLUTION OF CEMENT COPPER IN SULFURIC ACID SOLUTIONS CONTAINING CUPRIC IONS

DEMİRKIRAN N., TURHAN ÖZDEMİR G. D.

CHEMISTRY & CHEMICAL TECHNOLOGY, cilt.15, sa.3, ss.395-402, 2021 (ESCI) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 15 Sayı: 3
  • Basım Tarihi: 2021
  • Doi Numarası: 10.23939/chcht15.03.395
  • Dergi Adı: CHEMISTRY & CHEMICAL TECHNOLOGY
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI), Scopus
  • Sayfa Sayıları: ss.395-402
  • Anahtar Kelimeler: malachite, cement copper, cupric ion, dissolution, kinetics, ANODE-SUPPORT SYSTEM, MALACHITE ORE, IRON, ZINC
  • İnönü Üniversitesi Adresli: Evet

Özet

In this paper, the dissolution kinetics of cement copper powder in sulfuric acid solutions containing cupric ions was examined. It was observed that the dissolution rate of copper increased with increasing the acid concentration, temperature, and stirring speed. It was determined that the dissolution rate of copper enhanced with increasing the cupric ion concentration up to 0.025 M. It was found that the temperature and concentration of cupric ion had more considerable effects on the dissolution of copper powder. The kinetic analysis of the process was performed, and it was observed that it fits the first order pseudo-homogenous reaction model. The activation energy was calculated to be 31.1 kJ/mol.