Nonylphenol ethoxylates (NPEOs) are auxiliary chemicals used in various industries. They are good emulsifiers and wetting agents and thus have been widely employed in different industrial cleaning systems, use for examples in textiles and leather processing, pulp and paper manufacturing, metal working, and agriculture. They also are utilized in domestic cleaning agents and co-formulants in pesticides and biocides. NPEOs are extensively used in textile wet processing as detergent auxiliaries in the scouring and bleaching process of fibers. They are use to remove fiber impurities such as wax, seeds, etc. in textile wet processing.