Corrosion Inhibition Behavior of Lysozyme on Q235 Steel in H2SO4 Solution

Corrosion inhibition behavior of lysozyme on Q235 steel in H2SO4 solution was studied by mass loss, potentiodynamic polarization and electrochemical impedance spectroscopy. The results show that lysozyme is a mixed-type inhibitor. The absorption type of Lysozyme on Q235 steel surface is spontaneous chemisorption, and obeys Langmuir isotherm. Inhibition efficiency of lysozyme is excellent and less effected by H2SO4 concentration, solution temperature and the dipping time of lysozyme in H2SO4 solution.