Refineries/External Links

Petroleum refinery

 * Complete, detailed oil refinery description
 * Petroleum Refining Excellent, detailed overview of petroleum refining processes.
 * Oil Refinery Processes, A Brief Overview
 * Petroleum Refining Processes (Lecture Notes)
 * Modern Refinery Website of Delft University of Technology, Netherlands

Natural gas processing

 * Processing Natural Gas a website maintained by the Natural Gas Supply Association.
 * Natural Gas Processing (part of the U.S. EPA's AP-42 publication Compilation of Air Pollutant Emission Factors)
 * Natural Gas Processing Plants (a US Department of Transportation website)

Sugar production

 * Making sugar

Salt production

 * How Salt Is made

Other

 * Aluminium Production