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Start a HAZOP for the Feed Heater of a Hydrodealkylation (HDA) Process

Start a HAZOP for the Feed Heater of a Hydrodealkylation (HDA) Process

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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**Starting a HAZOP for the Feed Heater of a Hydrodealkylation (HDA) Process** **Process Unit:** H-101, Feed Heater **Unit Intention:** Provide heated feed to an HDA Reactor (Stream 6) at 600°C. **Exercise:** Start with the “NO” guideword... - **Identify deviations** - For each deviation identify (at least one) cause - Determine consequence, and - Recommend action **Diagram Explanation:** The diagram features a simplified flow process of a feed heater system. It includes: 1. **Feed Heater Symbol:** A funnel-shaped figure indicating the location of heating. 2. **Inlet and Outlet Streams:** - **Stream 4** (inlet): Labeled with a diamond shape where fuel gas enters the heater. - **Stream 6** (outlet): Also labeled with a diamond shape, representing the heated feed exiting to the HDA reactor. 3. **Fuel and Air Inputs:** - **Fuel Gas:** An input directed to the heater for processing. - **Air:** Another input necessary for combustion and heating within the heater unit. This process is a part of the safety analysis to identify potential hazards, their causes, possible consequences, and to recommend preventive actions.
Transcribed Image Text:**Starting a HAZOP for the Feed Heater of a Hydrodealkylation (HDA) Process** **Process Unit:** H-101, Feed Heater **Unit Intention:** Provide heated feed to an HDA Reactor (Stream 6) at 600°C. **Exercise:** Start with the “NO” guideword... - **Identify deviations** - For each deviation identify (at least one) cause - Determine consequence, and - Recommend action **Diagram Explanation:** The diagram features a simplified flow process of a feed heater system. It includes: 1. **Feed Heater Symbol:** A funnel-shaped figure indicating the location of heating. 2. **Inlet and Outlet Streams:** - **Stream 4** (inlet): Labeled with a diamond shape where fuel gas enters the heater. - **Stream 6** (outlet): Also labeled with a diamond shape, representing the heated feed exiting to the HDA reactor. 3. **Fuel and Air Inputs:** - **Fuel Gas:** An input directed to the heater for processing. - **Air:** Another input necessary for combustion and heating within the heater unit. This process is a part of the safety analysis to identify potential hazards, their causes, possible consequences, and to recommend preventive actions.
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