الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 124 |  |  |
| | | from | 124 | | |
Abstract
Leather tanning industry is one of the most polluting industries all over the world wich wide varieties of high-polluted wastewater. inorder to reuse tannery wasterwater effluent for restricted irrigation and avoid any negative effect on the aquatic life, many technologies can be employed for tannery wastewater treatment such as activated sludge method as , sequence bath reactor SBRmembrane biofilm reactor MBR.