Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Hadi, Abdollahi"'
Autor:
Pouya Nazari, Amir Abbaspour, Hadi Abdollahi, Sajjad Tahooni Bonab, Mirsaleh Mirmohammadi, Maryam Shokrzadeh
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 58, Iss 1, Pp 89-95 (2024)
The concentration of sulfide minerals can be achieved through various methods, and one such method is flotation. In the case of cobaltite, a mineral composed of cobalt sulfoarsenide, its ability to float is attributed to the presence of sulfur within
Externí odkaz:
https://doaj.org/article/b5f5b69a679e4ce0a4828bd36456f1b9
Autor:
Alireza Roozbahani, Farshad Soofivand, Ali Sagban Hassoon Al-Tameemi, Hadi Abdollahi, Sogand Saatchi, Abdolhamid Ansari
Publikováno v:
Petroleum Research, Vol 9, Iss 1, Pp 55-60 (2024)
Foam flooding using CO2 has emerged as a promising method for both enhanced oil recovery (EOR) and the storage of CO2 in geological reservoirs. This study conducts a thorough analysis of the behavior of CO2 and N2 foams in bulk and porous media, util
Externí odkaz:
https://doaj.org/article/afc444ae545d43ccb05afc8a6744f587
Publikováno v:
Taḥqīqāt-i ̒Ulūm-i Raftārī, Vol 21, Iss 2, Pp 361-376 (2023)
Aim and Background: One of the common emotions in people suffering from mood and anxiety disorders is anger syndrome. The main concern for those suffering from anxiety disorders whose performance in various activities is impaired is self-harming ange
Externí odkaz:
https://doaj.org/article/eaa7c45b0bf64717b1818f641fa3899e
Autor:
Mohammadreza Shahbazi, Hadi Abdollahi, Sied Shafaei, Ziaeddin Pourkarimi, Sajjad Jannesar Malakooti, Mehdi Rahimi, Ehsan Ebrahimi
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 57, Iss 2, Pp 141-148 (2023)
From an economic, technological, and environmental perspective, sulfur removal from coal resources has received increased attention in recent years. The present work investigates the ability of chemical (Meyers and Molten caustic leaching (MCL)) and
Externí odkaz:
https://doaj.org/article/a634a1bebb1242e3956315cf4d3fe414
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 56, Iss 4, Pp 309-313 (2022)
Laterites are the main resources of oxidized nickel in the world. Nickel and cobalt are embedded in limonite laterites within the goethite structure. Therefore, the removal of iron ions will lead to the simultaneous precipitation of iron, nickel, and
Externí odkaz:
https://doaj.org/article/39ad1c1842f441158eeed607fd6efb21
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 55, Iss 2, Pp 109-116 (2021)
The effect of physical parameters such as type of filtration media, solids percent, pressure drop, and pH on resistance to filter cloth (R), specific cake resistance (α), moisture content and cake formation rate were investigated in this paper. Expe
Externí odkaz:
https://doaj.org/article/b43bb672c0c547f0a6dd086b67d9b07f
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 55, Iss 2, Pp 191-199 (2021)
The Recovery of nickel from lateritic ores as the main oxide resources has been always debated. Since it consists of 1.74% Ni, 0.14% Co and 40.8% Fe, co-dissolution of iron occurred by using common lixiviation like sulfuric acid. Therefore, some leac
Externí odkaz:
https://doaj.org/article/f31b9995d9c4436992ffdc9c4d58043b
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 53, Iss 1, Pp 33-41 (2019)
The present study addresses the direct flotation route for the concentration of a zinc silicate ore. Flotation of hemimorphite faces some challenges due to the similarity of hemimorphite and quartz surface properties. XRD, and XRF analyses, optical m
Externí odkaz:
https://doaj.org/article/dd13a0cd012c49ed8736e43a0f188083
Publikováno v:
International Journal of Mining and Geo-Engineering, Vol 53, Iss 1, Pp 51-61 (2019)
The present research reviews two basic approaches for the separation circuit configuration analysis. The first approach is to optimize the circuit configuration. In this method, after a circuit modeling, a variety of search algorithms and mathematica
Externí odkaz:
https://doaj.org/article/df8a5f83f3934d96adcb6462fea7970c
Publikováno v:
International Journal of Advanced Design and Manufacturing Technology, Vol 12, Iss 1, Pp 95-99 (2019)
In this research, the feasibility of solid-state recycling of pure magnesium (Mg) chips is investigated by applying a synthesis technique called shear consolidation processing (SCP). During the SCP, machining chips are first loaded into the container
Externí odkaz:
https://doaj.org/article/533ef2b3ade04f5f853ff90ca55f1b6b