The construction industry has higher accident rates than normal manufacturing. Very high accident rates were found amongst contractors in parts of the Norwegian offshore industry. The term contractor includes individual workers, small firms, and large construction companies with many employees. The contractor is exposed to process risks and diverse occupational risks while doing maintenance or ...

BACKGROUND Work-related musculoskeletal disorders (WMSDs) are a common health problem throughout the world and a major cause of disability in the workplace. OBJECTIVE To determine the prevalence rate of MSDs, assessment of ergonomics working conditions and identification of major risk factors associated with MSDs symptoms among employees of Iranian petrochemical industries between October 200...

Biological monitoring of exposure of workers to polycyclic aromatic hydrocarbons (PAHs) in petrochemical industries was performed by the measurement of urinary excretion of 1-hydroxypyrene. In 121 of the 462 workers studied (both smokers and non-smokers) who had had no recent occupational exposure to PAHs a median 1-hydroxypyrene concentration of 0.21 micrograms/g creatinine was found. The uppe...

One of the industries with high potential for energy saving is the petrochemical industry. Ethylene and propylene production plants (olefin plants) – as a part of the petrochemical industry – are very energy intensive. So, any try to improve their energy consumption efficiency could lead to a high amount of energy saving. Iran’s petrochemical industry uses old technologies and components and du...

The scope of this research is concerned with the supply chain of light aromatic compounds, i.e., benzene, toluene, o-xylene and p-xylene, in he petrochemical industries. The proper production scheme of these compounds over a specified time horizon can be configured by selecting hroughput, operating conditions and technology options for each unit in the chain, by maintaining the desired inventor...