Petrochemical refers to chemicals that are made from petroleum or natural gas. These chemicals are used to make various products like plastics, rubber, and fertilizers. Full definition
The technology can be applied to upstream production of gas as well as in petrochemical plants and for medical uses to harvest oxygen from other gases. (sciencemag.org)
Emissions from petrochemical plants have also been linked to elevated levels of toxins in the blood of people living nearby. (truth-out.org)
Drilling Engineers plan and manage oil - rig drilling operations for petrochemical companies. (jobhero.com)