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Chemical and Process Engineering Resources

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Category: Chemistry Basics
Question: What is an additive?
Keywords: additive,additives,definition
Answer: An additive is anything that is added to a process that is not a basic raw material. It is usually present in such small quantities that it doesn't interfer with final product quality. It is usually added to act as an enhancer or to prevent some unwanted reaction. For instance, anti-foam additives are added to columns, evaporators, reactors, etc. to prevent foaming. Inhibitors are added to Styrene systems to prevent polymerization. A well known additive is a detergent added to motor oils and gasolines to keep your engine clean.


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