توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقالههای نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده میشوند.
نویسنده(ها): Oxana Mikhailovna Zamyatina، Polina Igorevna Mozgaleva، Mikhail Alexandrovich Solovjev، Lev &À، lexeevich Bokov، &À، nna Fedorovna Pozdeeva
اطلاعات انتشار: World Applied Sciences Journal، بيست و هفتم،شماره۱۳، ۲۰۱۳، سال ۰
تعداد صفحات: ۶
The paper presents the experience accumulated by National Research Tomsk Polytechnic University and Tomsk State University of Control Systems and Radioelectronics in the area of project–oriented training of engineering specialists, exemplified by TPU Elite Engineering Education Program and TUSUR Project–Based Group Learning. The importance of the experience is justified by the current lack of programs in this area to be available and ready for implementation. Program objectives, their history and relation to traditional learning, as well as expected results, main stages and implementation principles are described.
اطلاعات انتشار: International Journal Of Environmental Research، ششم،شماره۴، Autumn۲۰۱۲، سال ۰
تعداد صفحات: ۸
The emerging contaminants are commonly derived from municipal, agricultural, and industrial wastewater sources and pathways. These compounds are polar and poorly biodegradable. The dynamic removal of atenolol from aqueous solutions by activated carbon in fixed bed column systems was investigated. As far as we know, this is the first study reporting the decontamination by adsorption in fixed bed of solutions containing atenolol, as model compound of β–blockers, which are pharmaceutical pollutants with a high occurrence in natural waters. The performance of fixed bed columns was described through the breakthrough curves obtained from column experiments. The Bohart–Adams, Thomas and Yoon–Nelson models were applied to predict different parameters of the column like service time (Bohart–Adams model), adsorption capacity (Thomas model) and time required for 50% breakthrough (Yoon–Nelson model). Also, the theoretical breakthrough adsorption curve has been obtained. For the last, an industrial scale adsorber was designed from characteristic parameters of the breakthrough curves obtained from experimental data.
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