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 at pharmaceutical manufacturers have the same duties as those of consumer goods manufacturers, but they have additional duties as well. Their focus is on developing new drugs or products to enhance the health of humans and animals.
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.