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Global production of ferrous sulfate increased from 3787 K MT in 2012 to 4066 K MT in 2016.
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Ferrous sulfate generates as a by-product during the manufacturing of titanium dioxide or as a by-product of the pickling of steel. In the past years, many titanium dioxide producers treat ferrous sulfate as waste and were puzzled with the handling issues. With the commercialization of ferrous sulfate in the market, pressure of treating ferrous sulfate is increasing.


Applications of ferrous sulfate mainly come from iron oxide pigment industry, water treatment industry, food industry, feed industry etc. Among those applications, iron oxide pigment industry is the largest application and accounted 41.78% in 2016.


The ferrous sulfate industry is relatively fragmented, keeping consistent with the titanium oxide industry. Global production of ferrous sulfate increased from 3787 K MT in 2012 to 4066 K MT in 2016. The major production base lies in North America, China and Europe.


Ferrous sulfate has two major forms, Ferrous Sulfate Heptahydrate and Ferrous Sulfate Monohydrate. Ferrous Sulfate Heptahydrate is the direct by product of titanium dioxide and Ferrous Sulfate Monohydrate is processed further from Ferrous Sulfate Heptahydrate. Industrial application of ferrous sulfate is much larger than food and feed industry.


Titanium oxide manufacturers are facing more pressure for handling of waste, commercialization of ferrous sulfate instead of treating as waste help them increase revenue and release environmental protection pressure synchronously. Thus, titanium oxide manufacturers are active to broaden the applications of ferrous sulfate. It is estimated that global ferrous sulfate industry will keep increasing and be worthy of 232.02 million USD in 2022.