In the environmental and chemical sectors, waste water treatment refers to the removal of contaminants from waste water of urban or industrial origin, or the removal of an effluent which has been contaminated by organic and/or non-organic pollutants.
Considered the largest sector in the world in monetary terms, the oil and gas sector covers all applications relating to the search for, exploitation, refinement and transport of natural gas, crude oil and their derivatives.
The chemical industry is based on the transformation of raw materials (including oil, natural gas, air, water, metals and minerals) to obtain products with different physical and chemical properties from the original substances.
