ABSTRACT
Oman was an arid zone country in the early stages of development. The country is highly dependent on groundwater as its main source of freshwater for domestic use and agricultural and industrial purposes, except for some areas that are served by desalinated water. It is likely that the gap between
CONTENTS
12.1 Introduction ................................................................................................ 319 12.2 Methodology .............................................................................................. 320
12.2.1 Sample Collection .......................................................................... 320 12.2.2 Graywater Quantity Measurement ............................................. 321 12.2.3 Sample Analysis ............................................................................. 321 12.2.4 Graywater Treatment..................................................................... 321
12.2.4.1 Storage .............................................................................. 321 12.2.4.2 Filtration System .............................................................. 322 12.2.4.3 Aeration ............................................................................ 322
12.3 Results and Discussion ............................................................................. 322 12.3.1 Graywater Production ................................................................... 322 12.3.2 Graywater Sample Analysis ......................................................... 323
12.3.2.1 Site One ............................................................................. 323 12.3.2.2 Site Two ............................................................................. 326
12.3.3 Microbiological Quality ................................................................ 328 12.3.4 Graywater Treatment..................................................................... 328
12.3.4.1 Filtration ........................................................................... 329 12.3.4.2 Storage .............................................................................. 331 12.3.4.3 Disinfection ......................................................................333
