scholarly journals Development of Gas Detector Location Index Technique to Prevent Explosion Accidents of Offshore Plant

2017 ◽  
Vol 54 (1) ◽  
pp. 63-70
Author(s):  
Jung Min Sohn ◽  
Jeom Kee Paik ◽  
Sang Jin Kim
Author(s):  
Asmund Huser ◽  
Luiz Fernando Oliveira ◽  
Joar Dalheim

An improved procedure for optimization of flammable gas detector systems in process plant modules is presented in the paper. The main features of the new procedure are that it uses a detailed explosion Quantitative Risk Analysis (QRA) model to obtain the risk reducing effects of applying more gas detectors; and it uses detailed transient Computational Fluid Dynamics (CFD) simulations to assess the most effective locations of the gas detectors. This results in a cost optimized solution which gives the minimum fire and explosion risk, at the lowest cost. A field example is included where it is indicated that with the optimal number of gas detectors, the total costs of fire and explosion accidents are reduced by 18% compared to having no gas detection system at all.


2021 ◽  
Vol 11 (9) ◽  
pp. 3916
Author(s):  
Marta Wiśniewska ◽  
Andrzej Kulig ◽  
Krystyna Lelicińska-Serafin

Municipal waste treatment plants are an important element of the urban area infrastructure, but also, they are a potential source of odour nuisance. Odour impact from municipal waste processing plants raises social concerns regarding the well-being of employees operating the plants and residents of nearby areas. Chemical methods involve the determination of the quantitative composition of compounds comprising odour. These methods are less costly than olfactometry, and their efficiency is not dependent on human response. The relationship between the concentration of a single odorant and its odour threshold (OT) is determined by the odour activity value (OAV) parameter. The research involved the application of a multi-gas detector, MultiRae Pro. Measurements by means of the device were conducted at three municipal waste biogas plants located in Poland. In this paper we describe the results obtained when using a detector during the technological processes, the unitary procedures conducted at the plants, and the technological regime. The determination of these relationships could be useful in the development of odour nuisance minimization procedures at treatment plants and the adjustment to them. This is of paramount importance from the viewpoint of the safety and hygiene of the employees operating the installations and the comfort of residents in the areas surrounding biogas plants. Monitoring of expressed odorant emissions allows the course of technological processes and conducted unit operations to be controlled.


AIHAJ ◽  
1971 ◽  
Vol 32 (6) ◽  
pp. 410-411 ◽  
Author(s):  
ROBERT M. ASH ◽  
JEREMIAH R. LYNCH
Keyword(s):  

2019 ◽  
Vol 16 (6) ◽  
pp. 789-795 ◽  
Author(s):  
Jamshid Soltani-Nabipour ◽  
Abdollah Khorshidi ◽  
Farideh Sadeghi

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