STUDY OF EFFLUENT TREATMENT PLANT FOR METAL FINISHING INDUSTRY

Abstract

Metal finishing comprises a broad and varied rage of operations undertaken with the aim of protecting, enhancing and strengthening metal products, including general hardware structural components, automotive parts, cans and household products. Metal finishing therefore, plays a key role in many sector of economic activity including construction, automotives, electronics and other industries. Due to its broadness and complexities, the boundaries of metal finishing industry are set by various sources. Thus, while some confine metal finishing to surface treatment and the application of surface finishes others view the industry as an encompassing numerous steps involving a variety of metal shaping, machining and other metals fabrication process. Metal finishing processes discussed in this study were selected in view to their relevance in our country. Focus is, thus, placed on operation and process that are ordinarily carried out in small and medium enterprises in the country. Annealing...