Dust is often a major problem in a lot of different industries: coal dust from the air at loading facilities, asphalt dust during concrete production, heavy iron ore dust at iron mines, sugar dust, etc. The latter is a major nuisance for the sugar industry as it causes a substantial loss in revenue due to...
Month: October 2017
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Acid gas control methods
Acid gases from power plant and boiler combustion, such as sulfur dioxide and hydrogen sulfide, pose a major threat to human health and the environment. The main ways that acid gases deposit themselves is through acid rains and dry deposition. The consequences of acid rains are devastating: the presence of dead or dying plant life...
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Ejector venturi wet air scrubber
Venturi wet air scrubber is a pollution control device that utilizes the energy of an incoming gas stream in order to atomize scrubbing liquid. The venturi scrubber is made of 3 parts – a converging section, a throat section, and a diverging section. The gas flow enters the scrubber through the first section, where it gains...
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Sulfuric acid during zinc production
Zinc mining is a process of metal zinc extraction through mining. Zinc metal is produced using the method of extractive metallurgy which consists of the following steps: the metal ore is first finely ground, then it is put through froth flotation to separate minerals from gangue. The last step results in zinc sulfide ore concentrate...