Petroleum coke, a waste by-product of petroleum refining, brominated by chemical-mechanical bromination process, was used to remove trace Hg⁰ from flue gas. Specific surface area and pore size analyzer (BET), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) analysis indicated that the inherent organic sulfur enhanced bromine chemisorption on petroleum coke surface. Four kinetic models were conducted to study the brominated petroleum coke for elemental mercury capture in a fixed bed system simulation test. The results show that the adsorption rate and mercury accumulating quantity are increasing when the temperature set at 150℃ and the inlet mercury concentration increased; The model fitting correlation coefficient of Elovich model which based on chemisorption reaches above 0.9999, indicating the mercury adsorption process of brominated petroleum coke is controlled dominantly by chemisorption.