کاربرد نظریه تراوش در مدل سازی افت فعالیت راکتور بستر ثابت واکنش کاتالیستی تبدیل متانول به الفین های سبک

شناسنامه علمی شماره

نویسندگان

1 بوشهر، دانشگاه خلیج فارس، دانشکده مهندسی، گروه مهندسی شیمی

2 تهران، دانشگاه صنعتی شریف، دانشکده مهندسی شیمی و نفت

چکیده

در این پژوهش، مدل راکتوری برای پیش بینی رفتار غیر فعال شدن بستر کاتالیست تبدیل متانول به الفین ‌های سبک در راکتور بستر ثابت بر اساس نظریه تراوش برای شبیه ‌سازی محیط متخلخل دانه ‌های کاتالیستی ارایه شده است. پیش ‌بینی افت فعالیت بستر کاتالیستی در مقیاس با نتیجه ‌های آزمایشگاهی توافق بسیار خوبی نشان داد. نمودارهای کک گرفتگی بیانگر تشکیل جبهه واکنش با پهنای کمتر از طول راکتور در سرعت فضایی کم جریان خوراک و دمای K 723 است. آثار زمان فضایی جریان خوراک، کئوردیناسیون شبکه بث و ضریب نفوذ مؤثر اجزای مخلوط واکنش بر نتیجه شبیه ‌سازی مورد بررسی قرار گرفت.  

کلیدواژه‌ها

موضوعات


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