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.
What Does a Metallurgical, Mining and Geological Engineer Do? Engineering is a complex job, requiring a firm understanding of the sciences. Metallurgical, Mining and Geological Engineers are a type of engineering geologist that work with the logistics of mines and mining - existing and new mines. They are involved in the planning of mines, the restructuring as they progress, their safe use and planning.