پیشرفت‌های اخیرصورت گرفته در فناوری کاتالیست‌های فرایند شکست کاتالیستی بستر سیال

نوع مقاله : ترویجی

نویسندگان

1 عضو هیات علمی/پژوهشگاه پلیمر و پتروشیمی ایران

2 پژوهشکده پتروشیمی، پژوهشگاه پلیمر و پتروشیمی ایران، تهران، ایران

چکیده

شکست کاتالیستی بستر سیال (FCC) یکی از بزرگترین و مهم‌ترین فناوری‌های تبدیل در صنعت پالایشگاهی نفت است و در حال حاضر بیشترین میزان بنزین جهان و همچنین بخش مهمی از پروپیلن مورد نیاز صنعت پلیمر را تولید می‌کند. در این مقاله، مروری کامل از ترکیب کاتالیست FCC و پیشرفت‌ها و تغییرات صورت گرفته در تهیه‌ی آن از ابتدا تا به امروز ارائه شده است. همچنین روند تغییرات ایجاد شده در خوراک‌های نفتی و جهت‌گیری به سمت تولید مقادیر بیشتری از پروپیلن و سوخت‌های دیزلی ارائه شد. روند تحقیقات انجام شده بر روی کاتالیست FCC با تمرکز بر روی روش‌های ارائه شده برای بهبود پایداری زئولیت‌ها و گزینش‌پذیری کاتالیست که با راهکارهایی چون افزودن عناصر خاکی کمیاب و فسفر، سنتز سیستم‌های حفره‌ای انشعابی و همچنین استفاده از ساختارهای زئولیتی جدید انجام شده است، به تفصیل گزارش شد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Recent Developments in FCC Catalyst Technology

نویسندگان [English]

  • SARA TARIGHI 1
  • Nafise Modanlou Juibari 2
1 Academic Staff/ Iran Polymer and Petrochemical Institute
2 Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, Tehran, Iran
چکیده [English]

Fluid catalytic cracking (FCC) is one of the major conversion technologies in the oil refinery industry. FCC currently produces the majority of the world’s gasoline as well as an important fraction of propylene for the polymer industry. In this review, we give an overview of catalyst materialas well as the latest trends in its preparation technology from the beginning to the present. After providing some general background of the FCC process, we will discuss several trends in FCC catalysis research by focusing on ways to improve the zeolite stability, selectivity by the addition of rare earth elements and phosphorus, constructing hierarchical pores systems and also the introduction of new zeolite structures.

کلیدواژه‌ها [English]

  • FCC
  • catalyst
  • Zeolite
  • Catalytic cracking
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