explain the procedure of fractional distillation for separating oxygen from air
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Air is filtered to remove dust, and then cooled in stages until it reaches –200°C. At this temperature it is a liquid.
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Liquefying the air
water vapour condenses , and is removed using absorbent filters.
carbon dioxide freezes at -79°C, and is removed.
oxygen liquefies at -183°C.
nitrogen liquefies at -196°C.
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the fractional distillation of liquid air
an air separation unit is obtain called and oxygen on nitrogen generator since its purpose is to extract to one or both of these elements from the air in the distillation process the air is first passed through a filter that observes all the water vapour
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