What is a fractional distillation tower?
Fractional distillation is the process by which oil refineries separate crude oil into different, more useful hydrocarbon products based on their relative molecular weights in a distillation tower.
What is fractional distillation used for?
Fractional distillation is used in oil refineries (Figure 5.41) to separate the complex mixture into fractions that contain similar boiling points and therefore similar molecular weights and properties. Gasoline, diesel fuel, kerosene, and jet fuel are some of the different fractions produced by an oil refinery.
What is the main purpose of fractional distillation?
How it works: A fractional distillation is used when separating mixtures of liquids whose boiling points are similar (separated by less than 70 oC). In a fractional distillation, a mixture of liquids is boiled and the resulting vapors travel up a glass tube called a “fractionating column” and separate.
How can you increase the efficiency of fractional distillation?
Wrap the distillation column with an insulator like aluminum foil. The insulation will allow the vapors to travel all the way to the top of the column and out the condenser. The increase in efficiency results from the repeated interaction with the column packing.
Which materials are needed for the distillation setup?
Equipment
- 2 Erlenmeyer flasks.
- 1 1-hole stopper that fits a flask.
- 1 2-hole stopper that fits a flask.
- Plastic tubing.
- Short lengths of glass tubing.
- Cold water bath (any container that can hold both cold water and a flask)
- Boiling chip (a substance that makes liquids boil more calmly and evenly)
- Hot plate.
What is a diagram of a fractional distillation tower?
Diagram of a fractional distillation tower, showing where the different fractions will condense. Note that the temperature is higher at the bottom, so the longer carbon chains will fall out at the bottom, the shorter carbon chains will go up the column until they hit a temperature at which they become liquid.
What is the process of fractional distillation?
Fractional distillation is the process by which oil refineries separate crude oil into different, more useful hydrocarbon products based on their relative molecular weights in a distillation tower. This is the first step in the processing of crude oil, and it is considered to be the main separation process as it…
How does fractional distillation affect the environment?
Fractional distillation allows a lot of useful products to be made from crude oil, with many environmental consequences for the use of those useful products! The process of fractional distillation is fairly simple, but is powerful in the way that it separates all the different, complex components of crude oil.
What is a fractionation tower?
There can be several fractionation towers (also referred to as distillation towers) in a process plant. “Fractionation” is the separation of the lighter from the heavier fluid components, which occurs while the fluids are in contact with each other and are in equilibrium.