Examining wastewater problems are complicated as it requires healthy research, brown study of techniques and technologies, diversified applications and more. Foremost, it is important to worth notice the real objective of solving odour problems generating from wastewater plants is challenging Not only at industries but residents more often complaint about odour gases evolving exponentially. It has been observed that wastewater treatment plants produce significant volumes of odour that must be reduced before contaminated air starts destroying outdoors & climate and thus requires a call for odour control wastewater treatment . The ideal solution or treatment can remove the mix of gaseous compounds by more than 99 per cent. The sources of odour pollution are many and could be the large-scale spreaders if located in towns, close to commercial areas. Thus, a competent odour control system in these areas is a precondition. There are several solutions depending upon the level of filtra...