1. Merox and Related Metal Phthalocyanine Catalyzed Oxidation Processes
2. T. H. Baize, Method and apparatus for sweetening natural gas, US4748011 A.
3. B. Sain, S. N. Puri, G., Das B. P. Balodi, S., Kumar, A., Kumar, V. K. Kapoor, V. K. Bhatia, T. S. R. P. Rao G. P. Rai Cobalt phthalocyanine tetra-sulfonamide; oxidation of lower mercaptans to disulfides, good solubility in aqueous medium, US6740619 B1.
4. Structure and basicity of γ-Al2O3-supported MgO and its application to mercaptan oxidation
5. Handbook of Petroleum Refining Process;Salazar,1986