Oil+Purification+After+Mining

=**Process after mining:**=

· Trucks dump load into a large machine that breaks up lumps in the sand and hot water is a dded · Mixture called slurry · **Tar sands** are then transported to **extraction plant** · Slurry piped into large settling tank · Sodium hydroxide is added to separate the **bitumen’s** from sand, water, and minerals · Hot water added to tar sands to separate oil from sand · Results in the release of the bitumen’s (bitumen’s float to top and are then skimmed off) · Bitumen is then transported and later changed into **synthetic crude oi**l · Causes a great deal of pollution

**// Definitions: //**


 * Tar sands: ** Deposits of sand and clay with oil
 * Extraction plant:** Factory for the extraction of liquid constituents
 * Bitumen:** Energy from oil
 * Synthetic crude oil:** Crude oil