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Younes Gaga, Safaa Benmessaoud, Mohammed Kara, Amine Assouguem, Abdullah Ahmed Al-Ghamdi, Fahad M. Al-Hemaid, Mohamed S. Elshikh, Riaz Ullah, Artur Banach and Jamila Bahhou
The present research concerns the development of a new device and process intended for the purification and treatment of sulfurous elements, and more particularly, of hydrogen sulfide (H2S) from the biogas produced at the time of the anaerobic fermentati...
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Jacinta García-Talegón, Adolfo Carlos Iñigo, Rosa Sepúlveda and Eduardo Azofra
After subjecting Zamora building stones to accelerated ageing tests, colour changes were studied, namely: (a) freezing/thawing and thermal shock (gelifraction and thermoclasty), and (b) combination of freezing/thawing plus thermal shock and salt crystall...
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Vitor A. Nunes, Prannoy Suraneni, Augusto C. S. Bezerra, Carlos Thomas and Paulo H. R. Borges
Steel slag (SS) is a secondary material from steelmaking production with little commercial value. Its volumetric expansion and low reactivity limit the use of SS in Portland cement (PC)-based materials. This study investigated the potential use of basic ...
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Fengjuan Dong, Zeyong Sun, Zhanwu Gao, Xuefei Lu, Yue Chen, Hai Huang and Dazhong Ren
Nanoscale pore-throat systems are widely developed in the pore-throat of tight reservoirs. The pore-throat structures of different microscales are complex and diverse with obvious microscale effects. Taking the Chang 63 tight sandstone reservoir of the H...
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Daniela Valigi, Costanza Cambi, Roberto Checcucci and Lucio Di Matteo
Transmissivity estimates can be obtained by different approaches, mainly analytical and empirical. The application of analytical methods requires checking non-linear well losses due to turbulence and vertical flow related to partial penetration. The empi...
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