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 Engineer Salaries. Chemical engineers also earn a comfortable living. According to the BLS, chemical engineers garnered a median salary of $94,350 in 2012. The top 10 percent of chemical engineers took in more than $154,840, while the bottom 10 percent earned $58,830 or less.