![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Shell_Haven_oil_refinery.tif/lossless-page1-640px-Shell_Haven_oil_refinery.tif.png&w=640&q=50)
Refinery
Production facility for processing raw materials / From Wikipedia, the free encyclopedia
For other uses, see Refinery (disambiguation).
A refinery is a production facility composed of a group of chemical engineering unit processes and unit operations refining certain materials or converting raw material into products of value.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/7/77/Shell_Haven_oil_refinery.tif/lossless-page1-640px-Shell_Haven_oil_refinery.tif.png)