caa a22 4500 463195302 CHVBK 20180406164921.0 cr unu---uuuuu 170326e20070601xx s 000 0 eng 10.1007/s10669-007-9004-0 doi (NATIONALLICENCE)springer-10.1007/s10669-007-9004-0 Chemical industry wastewater treatment [Elektronische Daten] [Fayza Nasr, Hala Doma, Hisham Abdel-Halim, Saber El-Shafai] Treatment of chemical industrial wastewater from building and construction chemicals factory and plastic shoes manufacturing factory was investigated. The two factories discharge their wastewater into the public sewerage network. The results showed the wastewater discharged from the building and construction chemicals factory was highly contaminated with organic compounds. The average values of chemical oxygen demand (COD) and biochemical oxygen demand (BOD) were 2912 and 150 mgO2/l. Phenol concentration up to 0.3 mg/l was detected. Chemical treatment using lime aided with ferric chloride proved to be effective and produced an effluent characteristics in compliance with Egyptian permissible limits. With respect to the other factory, industrial wastewater was mixed with domestic wastewater in order to lower the organic load. The COD, BOD values after mixing reached 5239 and 2615 mgO2/l. The average concentration of phenol was 0.5 mg/l. Biological treatment using activated sludge or rotating biological contactor (RBC) proved to be an effective treatment system in terms of producing an effluent characteristic within the permissible limits set by the law. Therefore, the characteristics of chemical industrial wastewater determine which treatment system to utilize. Based on laboratory results engineering design of each treatment system was developed and cost estimate prepared. Springer Science+Business Media, LLC, 2007 Biological nationallicence Chemical nationallicence Chemical industry nationallicence Treatment nationallicence Wastewater nationallicence Nasr Fayza National Research Center, El-Behoos Street, Dokki, Cairo, Egypt aut Doma Hala National Research Center, El-Behoos Street, Dokki, Cairo, Egypt aut Abdel-Halim Hisham Faculty of Engineering, Cairo University, Cairo, Egypt aut El-Shafai Saber National Research Center, El-Behoos Street, Dokki, Cairo, Egypt aut The Environmentalist Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 27/2(2007-06-01), 275-286 0251-1088 27:2<275 2007 27 10669 https://doi.org/10.1007/s10669-007-9004-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10669-007-9004-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Nasr Fayza National Research Center, El-Behoos Street, Dokki, Cairo, Egypt aut NATIONALLICENCE 700 1- Doma Hala National Research Center, El-Behoos Street, Dokki, Cairo, Egypt aut NATIONALLICENCE 700 1- Abdel-Halim Hisham Faculty of Engineering, Cairo University, Cairo, Egypt aut NATIONALLICENCE 700 1- El-Shafai Saber National Research Center, El-Behoos Street, Dokki, Cairo, Egypt aut NATIONALLICENCE 773 0- The Environmentalist Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 27/2(2007-06-01), 275-286 0251-1088 27:2<275 2007 27 10669 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer