Determine the Quantitative Individual Risk Criteria for Single Accident Risk in Fixed Chemical Site Using the Background Risk Method | AIChE

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Determine the Quantitative Individual Risk Criteria for Single Accident Risk in Fixed Chemical Site Using the Background Risk Method

Authors 

Zhao, J. J. - Presenter,

Determine the Quantitative Individual Risk Criteria for Single Accident Risk in Fixed Chemical site using the Background Risk Method

John Zhao1, Zhu Xiaodong2, Zhang Bing1, Ren Jing1

(1. Shegle Risk Consulting Co. Ltd. (Shanghai), 2. Yantai Wanhua Polyurethanes Co. Ltd)

Abstract:

LOPA (Layers of Protection Analysis) is more popular in the process industry, especially in determination of SIL (Safety Integrity Level) for SIS (Safety Instrument System). When using LOPA, the Tolerable Risk Criteria for single risk scenario has to be pre-defined. This paper presents a simple method to define the Tolerable Risk Criteria.

Key words:

Accident Risk Criteria, Layers of Protection Analysis, LOPA, Background Risk Method

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