Abstract
This chapter explains the correlation between GNP and sulfur use. The present sulfur use is almost 100 lbs per capita per year in the United States. The sulfur consumption world-wide is related to industrial production. Normally, sulfur dioxide is only used as an intermediate for the production of sulfuric acid because in other applications, it can be substituted by elemental sulfur that is far easier to store and can be shipped at exactly half the weight of sulfur dioxide. Sulfur dioxide can be produced from hydrogen sulfide and elemental sulfur by burning. Sulfur dioxide is a large scale by-product of the smelting of sulfide ores and of combustion of all fossile fuels, but it is almost always converted to sulfuric acid or elemental sulfur, or released as a waste. A family of processes for preparing sulfur dioxide from smelter gas has been patented by American Smelting and Refining Company (ASARCO).
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