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.
Chemical engineers have the opportunity to enjoy a diverse career, and there are a range of different jobs from which to choose. You can work in a laboratory, in an office, in the outdoors or on an industrial plant, or combination of all of these in the one job.