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Phenol reducing of petroleum refinery wastewater using electrocoagulation / electrooxidation technique | ||
| Journal of Chemical and Petroleum Engineering | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 21 مهر 1404 اصل مقاله (2.79 M) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jchpe.2025.396385.1631 | ||
| نویسندگان | ||
| DhulFoqaar Amer1؛ Shaker Salih Bahar* 2 | ||
| 1Chemical Engineering Department /University of Babylon | ||
| 2Chemical Engineering department /University of Babylon | ||
| چکیده | ||
| The study found that two electrical methods, electrocoagulation)EC) followed by electro-oxidation(EO) and electro-oxidation alone, effectively reduced organic phenol(C₆H₅OH) levels in oil refining water of Najaf refineries in Iraq. The work was done using aluminum and graphite electrodes as the cover of the electric cell and steel (SS) electrodes as the cathode of the cell made of resistant plastic in the first method and graphite electrodes as the anode of the cell with steel (SS) electrodes in the other method. The initial concentration of phenol in the treated water was 50 ppm under the following conditions for both methods: electric current density (10, 15, 20) mA/cm², sodium chloride (NaCl) concentration (0, 1.5and 3) g/L, and acidity (pH) (3, 7and 10) with a fixed time of 1 hour for the (EC) process and 2.5 hours for the (EO) process for the first method, while in the other method the time was varied from (2-4) hours. The results showed that the removal rate was directly proportional to the high current density and NaCl concentration under mild acidic conditions for the first method, where the optimum conditions for the removal process were (CD = 20mA/cm2), (PH = 7), and (NaCl = 3g/L). A removal rate of 95.05% was achieved under the mentioned conditions for the first method. While the results for the removal rate in the second method were under the following conditions (CD = 15mA/cm2), (PH = 3), (NaCl = 3g/L) and (Time=3h). A removal rate of 96.3% was achieved under mentioned conditions. | ||
| کلیدواژهها | ||
| phenol؛ wastewater؛ electrocoagulation؛ electrooxidation؛ treatment | ||
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آمار تعداد مشاهده مقاله: 124 تعداد دریافت فایل اصل مقاله: 27 |
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