International Journal of Mineral Processing最新文献

{"title":"Characteristics of bio-desilication and bio-flotation of Paenibacillus mucilaginosus BM-4 on aluminosilicate minerals","authors":"Jiangman Zhao,&nbsp;Weijin Wu,&nbsp;Xu Zhang,&nbsp;Minglong Zhu,&nbsp;Wensong Tan","doi":"10.1016/j.minpro.2017.09.002","DOIUrl":"10.1016/j.minpro.2017.09.002","url":null,"abstract":"<div><p><span>World reserves of bauxite<span> include vast quantities of ore which are sub-economic due to high levels of reactive silica. It would lead to the substantial loss of caustic soda during Bayer processing. With the gradual reduction of the economic reserves of high-grade ore, people began to focus on the desiliconization treatment of the low-grade ore at reasonable cost. Biodesilication by silicate bacteria (such as </span></span><em>Paenibacillus mucilaginosus</em><span>) has been known as a potential technology for its characteristics of environmental protection, energy saving and sustainable development. In this paper, one silicate bacterial isolate with high desilication ability was screened, identified, and named as </span><em>Paenibacillus mucilaginosus</em> BM-4. The optimum cultural pH and temperature of BM-4 were also determined experimentally as 8.0 and 30<!--> <span>°C, respectively. Under these optimum cultural conditions, silicate ores were bioleached by BM-4. It seems that the stratified structures silicate ores, such as kaolinite and chlorite, were more readily to be leached by BM-4.</span></p><p><span><span>On the other hand, the float-abilities of BM-4 on kaolinite and bauxite were also investigated. With the experimental results shown that there existed the electrostatic adsorption process between BM-4 and kaolinite, and the Langmuir isotherm adsorption process between BM-4 and bauxite. It was observed that the float-abilities of bauxite were significantly depressed by BM-4, while the those of kaolinite were enhanced. The </span>bioflotation test of the mixture of bauxite and kaolinite (mass ratio 5:1) through BM-4 were carried out by a modified Hallimond tube. With results shown that the Al/Si ratios of this mixed minerals were improved from 3.05 to 8.60 after bacterial conditioning due to bauxite depression. Eventually, 83.0% of Al</span>₂O₃ were recovered from the mixed minerals by BM-4.</p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 40-47"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46335063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Centrifugal high gradient magnetic separation of fine ilmenite","authors":"Jianwu Zeng,&nbsp;Luzheng Chen,&nbsp;Ruoyu Yang,&nbsp;Xiong Tong,&nbsp;Peng Ren,&nbsp;Yongming Zheng","doi":"10.1016/j.minpro.2017.09.005","DOIUrl":"https://doi.org/10.1016/j.minpro.2017.09.005","url":null,"abstract":"<div><p><span>High gradient magnetic separation (HGMS) has been an effective method for the concentration or removal of fine para-magnetic particles from suspension, but its powerful magnetic capture to magnetic particles results in the mechanical entrainment of non-magnetic particles in magnetic product, and thus reduces the separation selectivity. HGMS in centrifugal field (CHGMS) is proposed to improve the separation selectivity, and in this investigation a cyclic pilot-scale CHGMS separator was used to concentrate fine </span>ilmenites<span> from slurry. The theoretical descriptions on this CHGMS process indicate that the introduction of centrifugal field in the HGMS field has a promoting effect on the magnetic capture of matrix to magnetic particles and significantly improves the HGMS performance, and a minimum critical magnetic field force is required for the capture of magnetic particles in the centrifugal field. These theoretical descriptions were experimentally verified and the dependence of CHGMS performance on the key parameters such as centrifugal acceleration was determined. This CHGMS method has achieved a significantly improved separation selectivity and performance to the fine ilmenite, and thus provided a potential prospect in the development of CHGMS technology.</span></p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 48-54"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136484590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-polar oil assisted DDA flotation of quartz II: Effect of different polarity oil components on the flotation of quartz","authors":"An Liu ,&nbsp;Min-qiang Fan ,&nbsp;Zhi-hong Li ,&nbsp;Jin-chuan Fan","doi":"10.1016/j.minpro.2017.09.003","DOIUrl":"10.1016/j.minpro.2017.09.003","url":null,"abstract":"<div><p><span>It is well accepted that non-polar oils can be used as collector extender in oil agglomeration<span><span> flotation of many different types of mineral. In this paper, in order to study the influences of oil structures on the non-polar oil assisted dodecylamine (DDA) flotation of quartz, the research focuses on the interaction of DDA (collector) and non-polar oil (collector extender) in aqueous phase. In this work, saturated hydrocarbon dodecane and </span>cyclohexane<span>, unsaturated hydrocarbon dodecene, aromatic hydrocarbon dimethylbenzene and 1-methylnaphthalene were chosen as researched subjects, and the influences of oil structures on interfacial activity of oil–DDA–water ternary models were investigated by experimental and theoretical methods. The flotation results demonstrated that the collecting capability of the oil and DDA combination follows the order of 1-methylnaphthalene</span></span></span> <!-->&gt;<!--> <!-->dimethylbenzene<!--> <!-->&gt;<!--> <!-->dodecene<!--> <!-->&gt;<!--> <!-->cyclohexane<!--> <!-->&gt;<!--> <span><span>dodecane. Moreover, molecular dynamic (MD) simulation is performed to investigate the interfacial property of these five non-polar oil-DDA-water systems, and five parameters, radial distribution functions, interaction energy, density distribution, interfacial thickness and self-diffusion coefficient are proposed to reveal the influence mechanism of molecular structure on interfacial activity of the ternary oil-DDA-water systems. The same trends are obtained from the parameters described above, aromatic hydrocarbon dimethylbenzene and 1-methylnaphthalene performance better than saturate hydrocarbon and unsaturated hydrocarbon. The researched results indicate the interaction between non-polar oil and DDA hydrophobic alkyl tail would enhance the mobility of oil component, which induce significant change of interfacial thickness and </span>diffusivity<span>. Additionally, the interaction between DDA hydrophilic head group and water molecules via strong hydrogen bonds, van der Waals interactions and weak electrostatic attraction would lead to water molecules penetrate through DDA monolayer and adsorb on oil surface. The researches enable us to obtain a deeper microscopic-level understanding of the interaction between oil-DDA-water ternary components, and maybe have some references for designing of oil-assisted flotation agent.</span></span></p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 25-34"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44749088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Processing of chalcopyrite ore by heap leaching and flotation","authors":"Hector M. Lizama","doi":"10.1016/j.minpro.2017.09.009","DOIUrl":"10.1016/j.minpro.2017.09.009","url":null,"abstract":"<div><p><span>This study explored the processing of chalcopyrite<span><span> ore through heap leaching followed by </span>flotation. Crushed and agglomerated chalcopyrite ore was subjected to bacterially-assisted leaching at ambient temperature in columns that ranged in height from 1</span></span> <!-->m to 5<!--> <!-->m. &gt;<!--> <!-->50% extraction was obtained after 16<!--> <!-->months. Chalcopyrite leaching was affected only by time, not irrigation rate, acid delivery rate, or column height. This indicated that chalcopyrite heap leaching was reaction-limited rather than transport-limited, and therefore relatively impervious to scale. The findings suggest that chalcopyrite could be leached in substantially taller heaps, releasing proportionally greater quantities of copper, without sacrificing recovery. Leaching of the chalcopyrite ore had little effect on its floatability, as indicated by rougher flotation testing. The maximum flotation recoveries, <em>R</em>_MAX, were 90% and 88% for the ore and leached residues, respectively. The combined leach/float recoveries were greater than the individual copper recoveries from leaching and flotation alone. This was simply due to the initial leaching step recovering some of the copper that would have been inevitably lost to flotation tailings. Such a leach/float approach may actually benefit from the low reactivity of chalcopyrite, which ensures that leaching would never be so extensive as to affect the later floatability of the mineral.</p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 55-67"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.009","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48167237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Leaching of yttrium from cathode ray tube fluorescent powder: Kinetic study and empirical models","authors":"Valentina Innocenzi,&nbsp;Ida De Michelis,&nbsp;Francesco Ferella,&nbsp;Francesco Vegliò","doi":"10.1016/j.minpro.2017.09.015","DOIUrl":"10.1016/j.minpro.2017.09.015","url":null,"abstract":"<div><p><span>In this paper, leaching kinetics of yttrium from cathode ray tubes<span> in sulphuric acid and hydrogen peroxide solution was investigated. It was found that hydrogen peroxide concentration, followed by temperature, has the greatest influence on leaching rate. Leaching rate is clearly enhanced by the increase in H</span></span>₂O₂ concentration. The leaching process without hydrogen peroxide follows the kinetic model controlled by the chemical regime, whereas in presence of H₂O₂ it follows the kinetic model controlled by diffusion through the product layer. The apparent activation energy was determined to be 40.0<!--> <!-->kJ/mol and 90.3<!--> <!-->kJ/mol with and without hydrogen peroxide in solution, respectively. Moreover, the experimental data were used to describe empirical mathematical models in order to predict the yttrium extraction as a function of sulphuric acid concentration, hydrogen peroxide concentration, temperature and time. From the analysis of the results and models, the optimal conditions to maximize the extraction of yttrium were inferred: 40<!--> <!-->°C, 10%vol hydrogen peroxide, 15<!--> <!-->min of reaction with 15%wt/vol pulp density, or alternatively at higher temperature (80<!--> <!-->°C) 15%wt/vol pulp density, 120–180<!--> <!-->min with 0% or 5%vol hydrogen peroxide in solution. Hence, yttrium is easily leached from CRTs powder at low temperature (40<!--> <!-->°C) with higher concentration of hydrogen peroxide, or by means of higher temperature (80<!--> <!-->°C) and lower concentration, even null, of hydrogen peroxide.</p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 76-86"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.015","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48787672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of typical impurities for the formation of floating slimes in copper electrorefining","authors":"Shila Jafari ,&nbsp;Mikko Kiviluoma ,&nbsp;Taina Kalliomäki ,&nbsp;Elisabeth Klindtworth ,&nbsp;Arif Tirto Aji ,&nbsp;Jari Aromaa ,&nbsp;Benjamin P. Wilson ,&nbsp;Mari Lundström","doi":"10.1016/j.minpro.2017.09.016","DOIUrl":"10.1016/j.minpro.2017.09.016","url":null,"abstract":"<div><p>In electrorefining, Group 15 impurities arsenic, antimony and bismuth, may precipitate within the bulk electrolyte as floating slimes and contaminate the copper cathodes. In order to determine the impurity specific thresholds related to the formation of suspended solids, synthetic copper electrorefining electrolytes with different concentrations of arsenic, antimony and bismuth were investigated by a continuous filtration method. The amount and composition of the floating slimes obtained were evaluated in terms of the initial impurity concentrations present in the synthetic electrolyte. As a result, the specific influence of arsenic, antimony and bismuth on the floating slime formation was ascertained. The results suggest that there is an upper limit in electrorefining electrolytes for antimony (Sb) of 800<!--> <span>mg/L for floating slime formation, although the limit for Bi was less clear. Furthermore, the structure of the synthetic floating precipitates produced were analyzed using both SEM-EDS and XRD and showed typical amorphous structure of floating slimes with particle size of approximately 25</span> <!-->μm and predicted composition of BiAsO₄, SbAsO₄, Sb₂O₃ and Bi₂O₃.</p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 109-115"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.016","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45188290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Non-polar oil assisted DDA flotation of quartz I: Interfacial interaction between dodecane oil drop and mineral particle","authors":"An Liu ,&nbsp;Min-qiang Fan ,&nbsp;Zhi-hong Li ,&nbsp;Jin-chuan Fan","doi":"10.1016/j.minpro.2017.09.004","DOIUrl":"10.1016/j.minpro.2017.09.004","url":null,"abstract":"<div><p><span>In this paper, in order to study the interaction mechanism of non-polar oil assisted dodecylamine (DDA) flotation<span> of quartz, the particle-oil drops system were treated the same as the hydrophobic particles system. Pure dodecane was chosen as research object, the interfacial interactions between quartz particle and oil drop were investigated through calculation of the extended Derjaguin-Landau-Verwey-Overbeek (EDLVO) potential energy profile. Based on the calculations of the van der Waals attractive interaction potential, hydrophobic interaction potential, hydrocarbon chain association potential, and electrostatic interaction potential, the results indicated that the mineral particle and oil drop attachment state was mainly dominated by hydrophobic interaction potential. In the modification of oil agglomeration flotation process, the adsorption of DDA on the dodecane/water interface presented significant effects on the interfacial interactions between quartz particle and oil drop. It was found that the adsorption of DDA at dodecane/water interface changed the </span></span>zeta potential value of oil drop from negative to positive. In this case, the attachment of the particles would occur spontaneously, which was due to the contribution of electric double layer attractive interaction. On the contrary, in the traditional oil agglomeration flotation process, a mechanical agitation was required to overcome a potential barrier due to the existence of electric double layer repulsive interaction between the negatively charged oil drops and mineral particles. This study was focus on the theoretical level, and provided some insights into mechanism of oil agglomeration flotation.</p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 1-8"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44858715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Beneficiation of an iron ore fines by magnetization roasting and magnetic separation","authors":"Jianwen Yu ,&nbsp;Yuexin Han ,&nbsp;Yanjun Li,&nbsp;Peng Gao","doi":"10.1016/j.minpro.2017.09.012","DOIUrl":"10.1016/j.minpro.2017.09.012","url":null,"abstract":"<div><p><span><span><span>The utilization of abundant low-grade iron ores<span> is potentially important to many countries in the word, especially to China. These iron ores contain many detrimental impurities and are difficult to upgrade to make suitable concentrates for the blast furnace. In this paper, the beneficiation of a low-grade </span></span>hematite ore fines containing carbonates with magnetization roasting and magnetic separation was proposed and studied. The hematite and </span>siderite are almost completely converted into magnetite by 8</span> <!-->wt% coal at roasting temperature of 800<!--> <!-->°C for 8<!--> <!-->min. Under the optimized conditions, a high grade magnetic concentrate containing 65.4<!--> <span>wt% iron with an iron recovery of 92.7% was achieved. Meanwhile, the effects of roasting temperature, reaction time and coal to ore ratio on the magnetic properties of roasted materials were investigated using a vibration sample magnetometer (VSM). The results show that the magnetic susceptibility and magnetism saturation of hematite ore can be highly increased due to the selective conversion of hematite and siderite into magnetite caused by magnetization roasting which facilitates their separation from non-magnetic minerals.</span></p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 102-108"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.09.012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43286064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Coal pyrite microwave magnetic strengthening and electromagnetic response in magnetic separation desulfurization process","authors":"Bo Zhang,&nbsp;Guanghui Yan,&nbsp;Yuemin Zhao,&nbsp;Chenyang Zhou,&nbsp;Yao Lu","doi":"10.1016/j.minpro.2017.10.004","DOIUrl":"10.1016/j.minpro.2017.10.004","url":null,"abstract":"<div><p><span>Coal desulfurization<span> is imperative to creating clean coal and reducing harmful emissions during the burning process. Due to the lack of effective technology in the field of fine coal dry separation, a novel microwave-enhanced magnetic property processing method was demonstrated in this manuscript. Using representative simulated minerals, the response and absorption characteristics of coal pyrite were intuitively demonstrated while analyzing the selective absorption mechanisms of different minerals in fine coal. Results show that the coal pyrites from Inner Mongolia were reduced by approximately 20% after 60</span></span> <!-->s of microwave treatment, and 60% after 90<!--> <span>s. The binding energy and chemical shift were quite large when the oxidation state was high. Fe</span>^{2<!--> <!-->+}<span> and troilite FeS were oxidized to Fe</span>₂O₃ after 60<!--> <!-->s microwave treatment, and to Fe^{3<!--> <!-->+} after 90<!--> <!-->s. Dynamic equilibrium was reached after 3<!--> <span>min of microwave treatment. The conversion rate was lower for pyrite to pyrrhotite than for pyrrhotite to troilite. The conversion of pyrrhotite to troilite appeared to be sensitive to the amount of microwave treatment. The specific susceptibility dropped rapidly and was nearly an order of magnitude greater than the raw coal. This study indicates a high possibility for coal desulfurization through this dry method enhanced with microwave energy.</span></p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 136-142"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.10.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44226879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Removal of U(VI) and Th(IV) from aqueous solutions by organically modified diatomaceous earth: Evaluation of equilibrium, kinetic and thermodynamic data","authors":"Slam I.Y. Salameh ,&nbsp;Fawwaz I. Khalili ,&nbsp;Ammar H. Al-Dujaili","doi":"10.1016/j.minpro.2017.08.007","DOIUrl":"10.1016/j.minpro.2017.08.007","url":null,"abstract":"<div><p><span><span>Raw and organically modified diatomaceous earth were used to remove U(VI) and Th(IV) ions from aqueous solution using the batch method. Effects of contact times, dosage of adsorbent, pH, ionic strength and temperature on the </span>adsorption process<span> were studied. The results indicated that the adsorption of these ions was affected by pH and ionic strength. The adsorption isotherms fit the Langmuir, Freundlich and D–R models at different temperature. The kinetic results revealed that pseudo-second-order kinetic model provided the best description of the equilibrium data. Thermodynamic parameters showed the adsorption process was spontaneous and endothermic. The best recovery for U(VI) was obtained when 1.0</span></span> <!-->M EDTA was used as eluent, while for Th(IV) ions when 1.0<!--> <!-->M HNO₃ was used.</p></div>","PeriodicalId":14022,"journal":{"name":"International Journal of Mineral Processing","volume":"168 ","pages":"Pages 9-18"},"PeriodicalIF":0.0,"publicationDate":"2017-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.minpro.2017.08.007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43211684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}