In many cases non-zinc anodes outperform actual zinc anodes, depending upon the type of metal you need to protect and the nature of the water in which the metal being protected is immersed. It all has to do with the voltage of the anode when referenced against a standard.
Chemical engineers use their knowledge of chemistry, physics, engineering and biology to find solutions to challenges involving things like materials manufacturing and food processing.
Typical Duties With All Employers. Chemical engineers share some duties, regardless of employer. They are normally responsible for developing procedures for the safe handling of chemicals and teaching those procedures to workers who handle the chemicals or work with equipment using the chemicals.