History of the petroleum industry and refining
Brief history of the petroleum industry and petroleum refining Prior to the 19th century, petroleum was known and u…
Hydrodesulfurization
Hydrodesulfurization Hydrodesulfurization (HDS) or Hydrotreater is a catalytic chemical process widely used to remove…
What is Asphalt?
Properties Asphalt is water repellant due to the bitumen which is part of the asphalt conglomerate. The physical pr…
McCabe-Thiele method
The McCabe-Thiele method is a graphical approach, published by McCabe and Thiele in 1925, considered to be the simples…
Distillation theoretical plate
A theoretical plate in many chemical engineering separation processes is a hypothetical zone or stage in which two p…
Ultra-Low Sulfur Diesel (ULSD)
As the EPA mandate for 100% conversion by 2010 to ultra-low sulfur diesel (ULSD) fuel approaches, stakeholders are on t…
Mass Balance
A mass balance (also called a material balance) is an application of conservation of mass to the analysis of physical …