Feedstock Effects on Selecting the Appropriate Coil Configuration for Cracking Furnaces

Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ICHEC05_049

تاریخ نمایه سازی: 7 بهمن 1386

Abstract:

In the present research, steam cracking of two types of feedstocks i.e., naphtha and ethane is simulated for split1/1 and 2/2 coil configurations considering two key parameters of coil outlet temperature (COT) and coil capacity using a radical based kinetic model. The computer model is confirmed using the industrial data obtained from Amirkabir Petrochemical Complex. The results are in good agreement with performance data for naphtha cracking in a wide range of severity (0.4-0.7), and for ethane cracking on various conversions (50-70). It was found that ethylene yield is favoured by a high residence time and low temperature for ethane feedstock while the adverse condition is preferred for naphtha. It is concluded that split1/1 geometry is suitable for ethane (gas) cracking while split 2/2 is favourable for naphtha feedstock cracking.

Authors

Ramin Karimzadeh

Department of Chemical Engineering, University of Tarbiat Modares (TMU), Tehran, Iran

Nazi Rahimi

bNational Petrochemical Company -Research &Technology (NPC-RT), Iran Polymer and Petrochemical Institute,Tehran, Iran

Mohammad Ghashghaei

Department of Chemical Engineering, University of Tarbiat Modares (TMU), Tehran, Iran