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تم تحسين حلقة باور بشكل كبير على حلقة Raschig. على الرغم من أن القطر الخارجي للحلقة يساوي ارتفاعه أيضًا ، إلا أنه يتم قطع صفين من النوافذ مع قطع تشبه اللسان تمتد داخليًا على جدار الحلقة. تحتوي كل طبقة من فتحات النوافذ عل...

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تم تحسين حلقة الشحوب بشكل كبير على حلقة Raschig. على الرغم من أن القطر الخارجي للحلقة يساوي ارتفاعها أيضًا ، إلا أنه يتم قطع صفين من النوافذ مع قطع تشبه اللسان ممتدة داخليًا على الجدار الدائري. تحتوي كل طبقة من فتحات النوافذ على 5 قطع تشبه اللسان. يعمل هذا الهيكل على تحسين توزيع الغاز والسائل ، والاستفادة الكاملة من السطح الداخلي للحلقة ، وتعزيز كفاءة توزيع الغاز والسائل ونقله. وهي مصنوعة بشكل عام من المعدن أو البلاستيك أو السيراميك. يمكن للغرابيل الجزيئية أن تمتص جزيئات أصغر من أقطار المسام في قنوات المسام وتصد الجزيئات الكبيرة خارج القنوات ، وبالتالي تلعب دورًا في فحص الجزيئات. بطبيعة الحال ، فإن المناخل الجزيئية ليس لها وظيفة الفحص فحسب ، بل لها أيضًا دور معين في تحسين قدرة التفاعل ، أي أنها تعمل "كوسيط" في التفاعلات الكيميائية لتعزيز تقدم التفاعلات الكيميائية.

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