نتایج جستجو برای: آلودگی mtbe
تعداد نتایج: 22224 فیلتر نتایج به سال:
مصرف روز افزون MTBE به‌عنوان بالا برنده عدد اکتان بنزین می‌تواند یکی از عوامل آلودگی آب‌های زیرزمینی (با توجه به حلالیت زیاد آن در آب) باشد. حمل و نقل، شکستگی خطوط لوله انتقال بنزین و ریختن بنزین در جایگاه‌های توزیع سبب نشت این ماده می‌شود. غلظت MTBE در آب چاه مورد نظر ppb 50 بوده است. تصفیه این آب با فرایند جذب کربن فعال گرانول F-600 filtrasorb، که مکان‌های جذب پر انرژی دارد، با دو روشRSSCT ...
In this work, the interactions of methyl tert-butyl ether (MTBE) on different dealuminated high silica zeolites were studied by means of both experimental and computational approaches. Zeolites with different textural and surface features were selected as adsorbents and the effect of their physico-chemical properties (i.e. pore size architecture and type and amount of surface OH sites) on sorpt...
مصرف روز افزون mtbe به عنوان بالا برنده عدد اکتان بنزین می تواند یکی از عوامل آلودگی آب های زیرزمینی (با توجه به حلالیت زیاد آن در آب) باشد. حمل و نقل، شکستگی خطوط لوله انتقال بنزین و ریختن بنزین در جایگاه های توزیع سبب نشت این ماده می شود. غلظت mtbe در آب چاه مورد نظر ppb 50 بوده است. تصفیه این آب با فرایند جذب کربن فعال گرانول f-600 filtrasorb، که مکان های جذب پر انرژی دارد، با دو روشrssct ...
Abstract Background and Objectives: Methyl-tertiary butyl ether (MTBE) is one of the fuel oxygenated additive that is used to reduce the environmental pollution resulting from engine combustion. This study was carried out to evaluate the acute (1 day) and subchronic (30 days) effects of MTBE on some fertility indices in the male rats. Methods: In this study, under two separate experiments (acut...
Concerns for atmospheric pollution from auto exhaust have led to the blending of "oxygenates" with motor fuels. The most common oxygenate, methyl tert-butyl ether (MTBE) is currently required within several metropolitan areas (Denver and Phoenix) in the range of 12% of the motor fuel. Amendments to the Clean Air Act may expand this requirement to as many as 44 other areas of the United States i...
Methylibium petroleiphilum PM1 is a methylotroph distinguished by its ability to completely metabolize the fuel oxygenate methyl tert-butyl ether (MTBE). Strain PM1 also degrades aromatic (benzene, toluene, and xylene) and straight-chain (C(5) to C(12)) hydrocarbons present in petroleum products. Whole-genome analysis of PM1 revealed an approximately 4-Mb circular chromosome and an approximatel...
A widely used gasoline additive, methyl tertiary butyl ether (MTBE), has been controversial, in part because of concerns about potential inhalation health effects and more recently because of added concerns about water contamination. Although many of the issues related to MTBE have not been fully resolved, several apparent paradoxes can be discerned, including the fact that something intended t...
The idea of model transformation by example (MTBE) is to use an example of the transformation to derive transformation rules. Although some works propose automatic and semi-automatic approaches, there are some limitations to use them in practice. As a result, depending on the model transformation it may be necessary to apply an MTBE approach manually. Therefore, this work presents a manual MTBE...
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