Safety and reliability analysis in a polyvinyl chloride batch process using dynamic simulator-case study: Loss of containment incident

Datu Rizal, Shinichi Tani, Kimitoshi Nishiyama, Kazuhiko Suzuki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this paper, a novel methodology in batch plant safety and reliability analysis is proposed using a dynamic simulator. A batch process involving several safety objects (e.g. sensors, controller, valves, etc.) is activated during the operational stage. The performance of the safety objects is evaluated by the dynamic simulation and a fault propagation model is generated. By using the fault propagation model, an improved fault tree analysis (FTA) method using switching signal mode (SSM) is developed for estimating the probability of failures. The timely dependent failures can be considered as unavailability of safety objects that can cause the accidents in a plant. Finally, the rank of safety object is formulated as performance index (PI) and can be estimated using the importance measures. PI shows the prioritization of safety objects that should be investigated for safety improvement program in the plants. The output of this method can be used for optimal policy in safety object improvement and maintenance. The dynamic simulator was constructed using Visual Modeler (VM, the plant simulator, developed by Omega Simulation Corp., Japan). A case study is focused on the loss of containment (LOC) incident at polyvinyl chloride (PVC) batch process which is consumed the hazardous material, vinyl chloride monomer (VCM).

Original languageEnglish
Pages (from-to)1309-1320
Number of pages12
JournalJournal of Hazardous Materials
Volume137
Issue number3
DOIs
Publication statusPublished - Oct 11 2006

Fingerprint

reliability analysis
Reliability analysis
containment
Polyvinyl Chloride
Polyvinyl chlorides
simulator
Simulators
safety
Safety
fault propagation
Vinyl Chloride
Hazardous Substances
Fault tree analysis
prioritization
Hazardous materials
polyvinyl chloride
batch process
loss
safety analysis
simulation

Keywords

  • Batch process
  • Dynamic simulator
  • Fault propagation
  • Performance index
  • Safety

ASJC Scopus subject areas

  • Chemical Health and Safety
  • Process Chemistry and Technology
  • Safety, Risk, Reliability and Quality
  • Environmental Engineering

Cite this

Safety and reliability analysis in a polyvinyl chloride batch process using dynamic simulator-case study : Loss of containment incident. / Rizal, Datu; Tani, Shinichi; Nishiyama, Kimitoshi; Suzuki, Kazuhiko.

In: Journal of Hazardous Materials, Vol. 137, No. 3, 11.10.2006, p. 1309-1320.

Research output: Contribution to journalArticle

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