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کنگره و نمایشگاه بین المللی معدن
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • detection of dissolved hydrocarbons within the subsurface in real-time using near infrared spectroscopy

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    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
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    • شماره تماس دبیرخانه رویداد: -
     we have been developing a chemical sensor that could be used in–situ to detect both organic and inorganic contamination in groundwater and report results in real-time. to date we have been successful at detecting pure hydrocarbons and distinguishing them from water (ghandehari et al., 2008), which by itself has many applications in the oil, gas, and mining industry. for example, based on the previous results, we could use the sensor to detect leaking hydrocarbons beneath liquid storage tanks, or in the subsurface surrounding chemical processing plants. we point out that our previous work has also shown that the sensor is capable of real-time analysis of ph levels, oxygen, moisture, and other relevant species so the realm of possible monitoring applications is quite large (ghandehari and vimer, 2004). a sensor capable of in-situ, real-time analysis of aqueous solutions both organics and inorganics within porous media has numerous applications in the mining, gas, and oil industry. this sensor could be installed around former acid-mining sites to provide an early warning of contaminant migration by providing either ph measurement or detection of dissolved inorganics. this paper presents our recent work at using near infrared (ir) optical fiber analysis for measuring liquid hydrocarbons dissolved in water, which can consequently be applied at detecting the same contaminants within the subsurface.

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