نتایج جستجو برای: petrochemical

تعداد نتایج: 2791  

2009
Neil White Rodney Ehrlich Anita van der Walt Wesley Roberts

Title: Meteorologically estimated exposure but not distance predicts asthma symptoms in schoolchildren in the environs of a petrochemical refinery: a cross-sectional study Jim te Water Naude Dr ([email protected]) Anita van der Walt Dr. ([email protected]) Grant Ravenscroft Mr.

2016
Darne G. De Almeida Rita de Cássia F. Soares Da Silva Juliana M. Luna Raquel D. Rufino Valdemir A. Santos Ibrahim M. Banat Leonie A. Sarubbo

The growing global demand for sustainable technologies that improves the efficiency of petrochemical processes in the oil industry has driven advances in petroleum biotechnology in recent years. Petroleum industry uses substantial amounts of petrochemical-based synthetic surfactants in its activities as mobilizing agents to increase the availability or recovery of hydrocarbons as well as many o...

2004
Juan L. García

Petrochemical industry generates highly toxic effluents with a large variety of chemicals, being most of them recalcitrant and toxic such as: organic chlorinated compounds (mainly 1,2 dichloroethane) and volatile and semivolatile organic compounds. The most common wastewater treatment systems used in Mexico to treat this kind of effluents are activated sludge and aerated lagoons. Treatibility s...

2011
Abdallah A. Al-Shammari

This study discusses the effect of uncertainty on production levels of a petrochemical complex. Uncertainly or variations in some model parameters, such as prices, supply and demand of materials, can affect the optimality or the efficiency of any chemical process. For any petrochemical complex with many plants, there are many sources of uncertainty and frequent variations which require more att...

2018
Reza Kazemi Sajad Zare Rasoul Hemmatjo

Introduction: A two-shift work schedule with different rotations is common among firefighters in Iranian petrochemical companies. This study compared salivary melatonin and sleepiness on the last night before turning to day shift at 19:00, 23:00, 3:00, and 7:00 among petrochemical firefighters (PFFs) working seven and four consecutive night shifts. Methods: Sixty four PFFs working in the petroc...

2013
Miguel Ángel López-Navarro Jaume Llorens-Monzonís Vicente Tortosa-Edo

Perceived risk of environmental threats often translates into psychological stress with a wide range of effects on health and well-being. Petrochemical industrial complexes constitute one of the sites that can cause considerable pollution and health problems. The uncertainty around emissions results in a perception of risk for citizens residing in neighboring areas, which translates into anxiet...

2017
M. H. Fulekar

BACKGROUND Petrochemical industry is one of the fastest growing industries. This industry has immense importance in the growth of economy and manufacture of large varieties of chemicals. The petrochemical industry is a hazardous group of industry generating hazardous waste containing organic and inorganic compounds. In spite of the present treatment process, the hazardous waste compounds are fo...

Journal: :Journal of research in health sciences 2013
Rohollah Maghsoodi Moghadam Abdulrahman Bahrami Farshid Ghorbani Hossein Mahjub Dariush Malaki

BACKGROUND Volatile organic compounds (VOCs) are human-made chemicals widely spread in the environment and produced by petrochemical industries and petroleum refineries. The aim of this research was to evaluate the distribution of VOCs in the ambient air of Mahshahr Petrochemical Complex, Iran. METHODS This study was a cross-sectional research performed in 2009. We used the method numbered 15...

2011
Abdallah A. Al-Shammari

This study discusses the effect of uncertainty on production levels of a petrochemical complex. Uncertainly or variations in some model parameters, such as prices, supply and demand of materials, can affect the optimality or the efficiency of any chemical process. For any petrochemical complex with many plants, there are many sources of uncertainty and frequent variations which require more att...

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