CHAPTER 1

1.0 INTRODUCTION

Wastewater in a narrow contest means used water. It is any water that has been adversely affected in quality by anthropogenic influence. The water which quality has deprived by human activities is wastewater. It comprise liquid waste discharged by domestic residents, commercial properties, and industrial and/or agricultural and can encompass a wide range of potential contaminant and concentration. In the most common usage it refers to the municipal wastewaters that contain a broad spectrum of contaminant resulting from mixing of wastewater from a different source. Sewage is a term used in place of wastewater but the later is correctly a subset of wastewater that is contaminated with feces or urine, but it often use to mean any dirty water. Sewage includes liquid waste product dispose off usually via a pipe or sewer or similar structure usually in a cesspool emptier. The (industrial) wastewater is conveyed from its origins to the point of eventual treatment or disposal via physical infrastructure called sewerage. Such infrastructure may include pip, pumps screen channels 

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