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Use of a Light Oil Cycle (LCO) Enhancer to Improve De-inventory and Decontamination of a FCC Main Fractionator

Presented By

Zach Stewart - DeltaTech Services

Conference:

courtesy of Delta TechBetween changing feed stocks and typical process upsets FCC main fractionators bottoms commonly build up a significant hardened coke. This coke must be removed one way or another at the front end of turnarounds if tower entry is required. This case study is of a 300,000+ bpd Gulf coast refinery that used a LCO enhancer prior to the vapor phase decontamination. The enhancer increased the ability of the LCO to dissolve and break down the binders in the coke. The result was significantly reduced mechanical cleaning and a much faster coke removal post tower decontamination than the refinery has experienced in the past.

Zach Stewart - DeltaTech Services Inc.Zachary Stewart is the Manager of Project Operations for Delta Tech Service, Inc. He has been with the company for 7 years in many roles, and has led the Project Group to the forefront of industry excellence in chemical cleaning. He enjoys spending time at home with his wife and son.

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