Pharmaceutical Drugs as Prominent Corrosion Inhibitors

Corrosion of metals is a large problem in the gas-oil, petrochemical, metallurgy, automobile, and electronic industries. To protect metals from corrosion destruction, corrosion inhibitors are the most effective ways of corrosion protection. Among corrosion inhibitors, pharmaceutical drugs are most effective, water-soluble, eco-friendly, low-cost, good adsorbent, polar structural molecule, biodegradable or persistent, lipophilic, hydrophilic, non-volatile, recyclable, and effective at low concentrations and high temperatures. In this chapter, the main inhibition characteristics of pharmaceutical drugs for various metal types in the acidic, saline, and other corrosion medium were reviewed and discussed. This chapter revealed herein would be helpful as a reference for both industrial and academic researchers.