- See also changes related to Petrochemicals, or pages that link to Petrochemicals 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.
- Chemistry : The science of matter, or of the electrical or electrostatical interactions of matter.
- 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
- Organic chemistry : The scientific study of the structure, properties, composition, reactions, and preparation (by synthesis or by other means) of chemical compounds of carbon and hydrogen, which may contain any number of other elements.
- Hydrocarbons : A class of molecules that contain only carbon and hydrogen atoms.
- BTX : The acronym commonly used in the petroleum and petrochemical industries to refer to mixtures of the aromatic hydrocarbons benzene, toluene, and the three xylene isomers.
- Catalytic reforming : A catalytic chemical process that converts petroleum naphthas into high-octane gasoline components.
- Natural gas processing : Industrial facilities that process raw natural gas to remove contaminants as well as to separate out and recover by product natural gas liquids.
- 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.
- Steam cracking : Add brief definition or description
- Thermal cracking : Add brief definition or description
- Upstream, midstream and downstream (petroleum industry) : The terms often used to refer to the major sectors of the petroleum industry.