نتایج جستجو برای: oil refinery
تعداد نتایج: 140239 فیلتر نتایج به سال:
industrial wastewaters are of the major sources of heavy metal pollution in the environment. in the middle east, gas and oil industry is the major source of heavy metal pollution and releases significant amounts of metals into the terrestrial and aquatic environment. in this research the capability of the common reed ( phragmitis australis ) in absorbing heavy metals cd, pb and v from the waste...
in this research performed during 1993-1994, the effluent of behran oil refmery, in south of tehran, which produces different types of industrial oil and greases, was studied and 3 methods of gravity separation, coagulation and flocculation and dissolved air flotation were investigated. in the first phase of the survey, the quality and quantity of the effluent were determined. this showed an av...
Due to the importance of energy consumption in a steam network of oil refinery as a significant unit, present study is concerned with the optimization of an oil refinery steam network. Here, the attempt was made to use concepts such as first and second thermodynamic laws, thermo-economic, environmental and economic discussions to investigate three different scenarios about Tehran refinery steam...
Although the concept of Industry 4.0 was defined a decade ago, experts have only been talking about "Oil and Gas 4.0" model in last few years. Experts this industry agree that use, based on digitalization intelligence oil gas industry, can bring huge benefits to company. However, is still its infancy, but applications areas such as big data (BDA), industrial Internet Things (IIoT), or analysis ...
The objective of this study was to improve the method for determining chlorpyrifos, an organophosphorus insecticide, in various palm oil matrices. Chlorpyrifos was separated from the oil matrices using acetonitrile extraction and then subjected to the solid phase extraction (SPE) clean-up process. A silica-based SPE was used for the clean-up process. Quantification of the extracted chlorpyrifos...
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