Abstract
HAZOP is the most commonly used process hazard analysis tool in industry, a systematic yet tedious and time consuming method. The aim of this study is to explore the feasibility of process dynamic simulations to facilitate the HAZOP studies.
We propose a simulation-based methodology to complement the conventional HAZOP procedure. The method systematically generates failure scenarios by considering process equipment deviations with pre-defined failure modes. The effect of failure scenarios is then evaluated using dynamic simulations -in this study the K-Spice® software used. The consequences of each failure scenario are summarized using a sensitivity measure, which forms the basis for ranking the significance of failure scenarios. The ranking then reveals the most critical process parameters as well as equipment in a system. The methodology is successfully highlighted using part of gasreinjection process model as case study.
We propose a simulation-based methodology to complement the conventional HAZOP procedure. The method systematically generates failure scenarios by considering process equipment deviations with pre-defined failure modes. The effect of failure scenarios is then evaluated using dynamic simulations -in this study the K-Spice® software used. The consequences of each failure scenario are summarized using a sensitivity measure, which forms the basis for ranking the significance of failure scenarios. The ranking then reveals the most critical process parameters as well as equipment in a system. The methodology is successfully highlighted using part of gasreinjection process model as case study.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 11th International Symposium on Process Systems Engineering |
| Editors | I.A. Karimi, Rajagopalan Srinivasan |
| Publisher | Elsevier |
| Publication date | 2012 |
| Pages | 1271-1275 |
| Publication status | Published - 2012 |
| Event | 11th International Symposium on Process Systems Engineering - , Singapore Duration: 15 Jul 2012 → 19 Jul 2012 |
Conference
| Conference | 11th International Symposium on Process Systems Engineering |
|---|---|
| Country/Territory | Singapore |
| Period | 15/07/2012 → 19/07/2012 |
| Series | Computer Aided Chemical Engineering |
|---|---|
| Volume | 31 |
| ISSN | 1570-7946 |
Keywords
- HAZOP
- Dynamic simulation
- Process control
- Process model
- Safety
- Gas-reinjection
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