A comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation
المؤلف | Hawari, Alaa |
المؤلف | Ramadan, Hasanat |
المؤلف | Abu-Reesh, Ibrahim |
المؤلف | Ouederni, Mabrouk |
تاريخ الإتاحة | 2022-12-29T09:45:15Z |
تاريخ النشر | 2015-03-05 |
اسم المنشور | Journal of Environmental Management |
المعرّف | http://dx.doi.org/10.1016/j.jenvman.2014.12.038 |
الاقتباس | Hawari, 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 للكتاب | 03014797 |
الملخص | The 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 المشروع | The 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. |
اللغة | en |
الناشر | Academic Press |
الموضوع | Advanced oxidation Ethylene plant Neutralization Oxidation Spent caustic |
النوع | Article |
الصفحات | 105-112 |
رقم المجلد | 151 |
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