الملخص
في هذا الدراسة تم استخدام نظام الدفعات المستمرة وعملية (Photo-Fenton-like) لمعالجة مياه الصرف الصحي الملوثة بصبغة زرقاء المعروفة باسم (Direct blue 15). تم استخدام مستخلص أوراق الأوكالبتوس لإنشاء جسيمات نانوية ثنائية المعدن من الحديد / النحاس وتم تحميلها على طين البنتونايت لاستخدامها كمحفزات غير متجانسة. تمت دراسة ومقارنة تكوينين من العمود ذو الحشوة الثابتة. الأول يتضمن خلط البنتونايت الحبيبي مع المحفز واستخدامه كحشوة للعمود، والآخر تضمن خلط المحفز مع الخرز الزجاجية. تم تطبيق طرق التوصيف على الجسيمات النانوية الناتجة، بما في ذلك المسح المجهري الإلكتروني SEM، وإمكانات زيتا (Zeta potential)، وتقنيات التحليل الطيفي للقوى الذرية (AFM). تم دراسة تأثير العوامل الرئيسية على التحلل الصبغة اهمها معدل التدفق، وتركيز الصبغة. تم استخدام منهجية سطح الاستجابة القائمة على التصميم المركب المركزي (CCD) لمعرفة الظروف المثلى لكلا النظامين المدروسين. أظهرت النتائج أن كفاءة الإزالة كانت 81٪ في العمود الذي يحتوي على حبيبات البنتونايت مع المحفز و62.6٪ في العمود الذي يحتوي على الخرز الزجاجية مع المحفز.
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