تحضير ثاني أكسيد التيتانيوم لإزالة اليورانيوم بكفاءة من المياه الملوثة بالإشعاع
محتوى المقالة الرئيسي
الملخص
أثبت ثاني أكسيد التيتانيوم (TIO₂) أنه معالج ضوئي واعد ويمتص لإزالة اليورانيوم من المياه الملوثة بالإشعاع نظرًا لمساحة السطح العالية والاستقرار الكيميائي والكفاءة الضوئية. تركز هذه الدراسة على تحضير وتكييف TIO₂ لزيادة أداء امتصاص اليورانيوم. يتم تقييم طرق التخليق المختلفة، بما في ذلك تقنيات Sool-Gel و Hydrothmal و Rainy، لتحديد النهج الأكثر فعالية لإنتاج TIO₂ المكون من النانو مع خصائص سطح أفضل. يتم التحقيق بدقة في تأثير المعلمات مثل الرقم الهيدروجيني ودرجة الحرارة ووقت التلامس و TiO والبنية البلورية (anatage مقابل Rutyl) على كفاءة إزالة اليورانيوم. تُظهر النتائج أن TIO₂ يُظهر أعلى مخرج لليورانيوم المُحضر في ظل ظروف حمضية يتم التحكم فيها بهيمنة anatage، والتي تصل إلى أكثر من 90٪ من الكفاءة في الظروف المثلى. يكشف هذا العمل عن TIO₂ كمادة دائمة وفعالة من حيث التكلفة لتوجيه اليورانيوم في استخدام مياه الصرف الأساسية.
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