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.
What They Do [About this section] [To Top]. Chemical engineers apply the principles of chemistry, biology, physics, and mathematics to solve problems that involve the production or use of chemicals, fuel, drugs, food, and many other products.