TY - JOUR AU - Hassani, Amir Hesam AU - Javid, Amir Hossein AU - Torabian, Ali AU - Hosseinian, Seyed Morteza AU - Hayatbakhsh, Amir TI - Performance of areation systems (activated sludge) with fixed bed for the treatment of wastewater with high organic load JO - Journal of Environmental Science and Technology VL - 11 IS - 4 SP - 1 EP - 10 PY - 2009 DO - ER -