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A comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation

المؤلفHawari, Alaa
المؤلفRamadan, Hasanat
المؤلفAbu-Reesh, Ibrahim
المؤلفOuederni, Mabrouk
تاريخ الإتاحة2022-12-29T09:45:15Z
تاريخ النشر2015-03-05
اسم المنشورJournal of Environmental Management
المعرّفhttp://dx.doi.org/10.1016/j.jenvman.2014.12.038
الاقتباسHawari, A., Ramadan, H., Abu-Reesh, I., & Ouederni, M. (2015). A comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation. Journal of environmental management, 151, 105-112.‏
الرقم المعياري الدولي للكتاب03014797
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84922656681&origin=inward
معرّف المصادر الموحدhttp://hdl.handle.net/10576/37866
الملخصThe treatment of spent caustic produced from an ethylene plant was investigated. In the case of neutralization alone it was found that the maximum removal of sulfide was at pH values below 5.5. The higher percentage removal of sulfides (99% at pH=1.5) was accompanied with the highest COD removal (88%). For classical oxidation using H2O2 the maximum COD removal percentage reached 89% at pH=2.5 and at a hydrogen peroxide concentration of 19mM/L. For the advanced oxidation using Fenton's process it was found that the maximum COD removal of 96.5% was achieved at a hydrogen peroxide/ferrous sulfate ratio of (7:1).
راعي المشروعThe authors wish to acknowledge Qatar University for the financial support through an internal student grant ( QUST-CENG-SPR-12/13-17 ) . Also the authors would like to thank Dr. Ahmed Al Khatat for the help provided in the chemical analysis. Moreover, the authors would like to thank Qatar Petrochemical Company (QAPCO) for the supply of samples.
اللغةen
الناشرAcademic Press
الموضوعAdvanced oxidation
Ethylene plant
Neutralization
Oxidation
Spent caustic
العنوانA comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation
النوعArticle
الصفحات105-112
رقم المجلد151


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