نتایج جستجو برای: high molecular weight hydrocarbons

تعداد نتایج: 2830116  

Journal: :Journal of environmental quality 2004
Oliver H J Szolar Helmut Rost Doris Hirmann Marion Hasinger Rudolf Braun Andreas P Loibner

Sequential supercritical fluid (CO2) extraction (SSFE) was applied to eight historically contaminated soils from diverse sources with the aim to elucidate the sorption-desorption behavior of high molecular weight polycyclic aromatic hydrocarbons (PAHs). The method involved five extraction phases applying successively harsher conditions by increasing fluid temperature and density mobilizing targ...

Journal: :Bioscience, Biotechnology, and Biochemistry 1994

Journal: :Journal of Physics: Conference Series 2017

Journal: :Chemical and Pharmaceutical Bulletin 1982

Journal: :Water 2023

Hydrocarbons occur in fossil fuels such as crude oil and consist mainly of hydrogen carbon. Although they are natural chemicals, refining results commercial products with new physico-chemical properties, which can increase their complexity toxicity, hamper degradation. The presence biodiverse microbial communities is a prerequisite for an effective homeostatic response to the various hydrocarbo...

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