2017.5.1 Furthermore, the energy efficiency optimization problem takes energy cost as objective function and introduces various constraints as upper and lower limits of coal bins, total coal quantity, upper limits of feed rate, belt speed and rotational speed of
Charlar en Línea2023.3.1 The geochemical effect of ScCO 2-water on shale will deteriorate the mechanical properties. • ScCO 2-water soak caused the decrease in clay and carbonate
Charlar en Línea2022.6.1 The results demonstrated that the ScCO 2-water-shale interaction induced chemical-mechanical effect may decrease the permeability of shale at in-situ stress
Charlar en Línea2022.7.1 The deformation and re-crushing characteristics of crushed coal and rock directly affect the porosity and permeability distribution of the mining gob and overburden
Charlar en Línea2022.3.1 The results show that the total porosity of coal is 7.51 times that of shale, and shale is dominated by adsorption pores, while adsorption pores and seepage pores
Charlar en Línea2020.6.19 Shale-sealing efficiency is also affected by the injection of CO 2, as the presented minerals on the shale surface could decrease the shale surface hydrophilicity.
Charlar en Línea2021.2.1 This study aimed at quantifying the combustion characteristics of the coal, Fushun oil shale and their blends using TGA at different heating rates; evaluating the
Charlar en Línea2013.2.1 Comparing various lifecycle assessments, this paper will suggest that a shift from coal to shale gas would benefit public health, the safety of workers, local
Charlar en Línea2018.4.18 The interaction of shale–CO 2 during the CO 2 sequestration and enhanced shale gas recovery process has significant influence on the adsorption
Charlar en Línea2023.1.14 The results show that after the shale core is damaged, the overall pore structure changes, resulting in the decrease or increase in shale porosity. During the
Charlar en Línea2018.2.15 Fig. 1 shows the apparatus used for the compound dry separation of oil shale in the present study. The apparatus is composed of a crude ore preparation system, a separator system, and an air supply and dust removal system. The crude ore preparation system comprises a pre-classification screen, crusher, surge bin, and other related
Charlar en Línea2022.3.1 After ScCO 2 treatment, the water wettability of LM and YC shale samples decreased, indicating that ScCO 2 weakened the affinity between water molecules and shale matrix, which may lead to a certain of alteration on the water-lock effect and CO 2 breakthrough pressure in shale reservoir, thus affecting the efficiency of shale gas
Charlar en Línea2016.11.1 Controversially, experiments have examined the effects of moisture on methane adsorption on cretaceous gas shales, demonstrating a general increase in gas sorption with the total organic carbon (TOC) content in high-pressure CH 4 isotherms for dried and moisture-equilibrated shales (Chalmers and Bustin, 2008); additionally,
Charlar en Línea2016.4.6 1 Introduction. Recent estimates of large shale gas reserves across the globe 1 have raised expectations for cheap energy and improved security of supply, particularly as the consumption of natural gas is expected to triple by 2035. 2-4 It is estimated that shale gas could add 7299 trillion cubic feet (tcf) to global gas reserves; by
Charlar en Línea2021.12.18 Rockburst process. Figures 3 and 4 show the typical rockburst ejection failure processes of shale specimens in the two bedding directions after treatment at 25 °C and 200 °C recorded by the high-speed camera. According to these figures, the overall rockburst processes of shale specimens in the two bedding directions were similar, and
Charlar en Líneaeffect of shales on coal crusher efficiency. Effect Of Shales On Coal Crusher Efficiency Effect of vibration on the separation efficiency of oil feb 15 2018 oil shale is a high density material and some similarities exist in the physical properties between oil shale and coal the principle of coal beneficiation provides insights that are ...
Charlar en Línea2018.2.9 1. Introduction. Shale gas, coalbed methane (CBM), and other unconventional gases have recently become a new growth area in the fields of oil and gas exploration (Mastalerz et al 2012, Jia et al 2014, Wang et al 2014, Gross et al 2015, Pan and Wood 2015, Qajar et al 2015).In China, organic-rich shale is mainly deposited in marine,
Charlar en LíneaContribute to yunan88/crusher development by creating an account on GitHub.
Charlar en Línea2022.11.7 The U.S. Environmental Protection Agency estimates that in 2020, methane emissions from natural gas and petroleum systems and from abandoned oil and natural gas wells were the source of about 33% of total U.S. methane emissions and about 4% of total U.S. greenhouse gas emissions. 1 The oil and natural gas industry takes
Charlar en LíneaThe T10 is useful as a single number which describes the Particle Size Distribution for the product from Crusher Discharge's operation relative to (size by size) feed size i.e. % passing 1/10th of parent size (s). Can T10, or a modified T10-type
Charlar en Línea2022.6.7 Specimens were prepared considering the interbedded structure of shale and sandstone, as shown in Fig. 1.The shale and sandstone parts were first processed into a cylindrical shape of a certain thickness, and these parts were then assembled to form whole specimens with external dimensions of 50 × 100 mm (D × H).A sandstone
Charlar en LíneaDownloadable (with restrictions)! To improve the heating efficiency of the downhole electric heaters used in oil shale exploitation, double-shell downhole electric heaters with continuous helical baffles (DS-DEHs) were developed in this study. These heaters reduce heat loss generated by the shell of single-shell downhole electric heaters with continuous helical
Charlar en Línea2018.1.17 Mechanical properties of shale rock is the basic issue of the drilling and development of shale oil and gas reservoir, and it is also one important issue of developing shale oil and gas reservoir fundamental theoretical research using supercritical carbon dioxide (SC-CO 2).Experimental researching on basic aspects of shale mechanical
Charlar en LíneaIn this paper, the composite additive of CaF2/CaO was used to extract vanadium from stone coal, and the effect of roasting and leaching kinetics were studied. The purpose of this manuscript is to realize and improve the vanadium recovery from stone coal using the composite additive. The experimental results indicated that the roasted clinker can be
Charlar en Línea2020.6.19 Carbon capture and storage (CCS) is a developed technology to minimize CO2 emissions and reduce global climate change. Currently, shale gas formations are considered as a suitable target for CO2 sequestration projects predominantly due to their wide availability. Compared to conventional geological formations including saline
Charlar en LíneaJun 2007. Awni Y Al-otoom. A new water-based crystallization technology to minimize the water-related problems of concrete is presented in this study. This technology is dependent on the formation ...
Charlar en Línea2019.7.1 The wettability of shale are the key factors determining the shale gas production efficiency and CO 2 storage safety. However, the effects of the supercritical CO 2 (ScCO 2)-water-shale interactions on the wettability in shale is unclear.To address this issue, water wettability alterations in shale at different ScCO 2-water exposure pressure
Charlar en Línea2011.11.22 The technologies and practices that have enabled the recent boom in shale gas production have also brought attention to the environmental impacts of its use. It has been debated whether the fugitive methane emissions during natural gas production and transmission outweigh the lower carbon dioxide emissions during combustion when
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