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' median salary has more than doubled since the first survey in 1992, when it was $59,700. Those working in the petroleum industry are the highest paid. Chemical engineers in the petroleum production and refining business pull a median salary of $150,000.Those in petrochemicals have a median of $140,000.hose working in the petroleum industry are the highest paid. Chemical engineers in the petroleum production and refining business pull a median salary of $150,000. Those in petrochemicals have a median of $140,000.