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...Study this diagram of the oil distillation cool process circle t true or f false in c gases description e g propane boil at and answer questions on next page refining fractional j pearson technical english crude also called petroleum is a mixture different hydrocarbons many useful products can be made from aw eps these but first ones must extracted separated one another how done hydrocarbon components are fractions using based principle that substances temperatures for example contains kerosene naphtha which into petrol cars jet fuel when you evaporate then it condenses higher temperature than as cools later works main equipment tall cylinder fractionator column inside there trays horizontal plates all located heights each tray collects fraction to its own boiling point heated least makes most fluid enters vapour moves up through liquid collected with points condense lower have valves allow bubble helps more quickly flows out longman www pearsonlongman com technicalenglish reading text...