- See also changes related to Hydrodesulfurization, or pages that link to Hydrodesulfurization or to this page or whose text .
- Engineering : The profession in which a knowledge of the mathematical and natural sciences gained by study, experience and practice is applied with judgment to develop ways to economically use the materials and forces of nature for the benefit of mankind.
- Chemical engineering : The field of engineering that deals with industrial and natural processes involving the chemical, physical or biological transformation of matter or energy into forms useful for mankind, economically and safely without compromising the environment
- Amine gas treating : A process using aqueous solutions of amines to remove hydrogen sulfide (H2S) and carbon dioxide (CO2) from gases
- Catalytic reforming : A catalytic chemical process that converts petroleum naphthas into high-octane gasoline components.
- Claus process : A catalytic chemical process for converting gaseous hydrogen sulfide into elemental sulfur.
- Flue gas desulfurization : The technology for removing sulfur dioxide from the flue gases resulting from the combustion of coal or fuel oil in power plant steam generators or other large combustion sources.
- Gasoline : A fuel for spark-ignited internal combustion engines derived from petroleum crude oil.
- Hydrocracking : A catalytic chemical process used in petroleum refineries for converting the high-boiling constituent hydrocarbons in petroleum crude oils to more valuable lower-boiling products such as gasoline, kerosene, jet fuel and diesel oil.
- Hydrogen sulfide : A chemical compound with the formula H2S, which is a colorless, highly toxic, flammable gas with a characteristic foul odor.
- Petroleum naphtha : An intermediate hydrocarbon liquid stream derived from the refining of petroleum crude oil and which may be further processed to obtain a gasoline blending component.
- Petroleum refining processes : The chemical engineering processes used in petroleum refining.
- Sour gas : Natural gas, petroleum refinery byproduct gas, or any other gas containing significant amounts of hydrogen sulfide (H2S).