Results 41 to 50 of about 297,134 (338)
International Journal of Technology, 2020 Rice husk biochar was added to modify ureic fertilizer in order to control nitrogen release in two methods: (1) mixed-granule and (2) as a coating. The mixed-granule fertilizer was made of varied compositions of rice husk biochar, ureic fertilizer ...
Himawan Tri Bayu Murti Petrus +5 more
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Review of geomechanical problems of accumulation and reduction of mining industry wastes, and ways of their solution [PDF]
, 2018 Purpose. The identification of geomechanical problems of mining industry wastes accumulation and substantiation of the ways for their solution with the possibility of processing the watery technogenic feedstock by fine classification with dewatering ...
Babii, K +4 more
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Production, by co-grinding in a media mill, of porous biodegradable polylactic acid-apatite composite materials for bone tissue engineering [PDF]
, 2009 This paper presents the results of a study of the production of porous biodegradable composite materials by co-grinding, followed by scaffolding. Dry powders of polylactic acid and nanocrystalline carbonated apatite, analogous to bone mineral were co ...
Combes, Christèle +6 more
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Estimation of the wear rate associated with ball mill of Mahd Ad Dahab Gold Mine, Saudi Arabia (KSA) [PDF]
, 2018 Purpose. This study aims to estimate the wear of the middle chrome grinding balls in both dry and wet grinding media. The selected ball mill for this study is located at Mahd Ad Dahab Gold Mine, Saudi Arabia. Methods.
Abdelhaffez, G
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, 2016 This paper explores the linkages between the national systems of innovation of Botswana, South Africa, Zambia, and Zimbabwe and their respective mineral extraction and mineral processing value chains, including input industries. Our analysis reveals four
Fessehaie, Judith +2 more
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Experimental validation of a fluid dynamics based model of the UF Falcon concentrator in the ultrafine range [PDF]
, 2012 The process of separating ultrafine particles, say below 80 μm, on the basis of density is a true technical challenge. Indeed, the separation process itself becomes very much size dependent with such fine particles, so that large enough density ...
Bourgeois, Florent +2 more
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Meitan xuebaoThe structure of coal sludge filter cake has an important influence on the dewatering effect. In this study, the characteristics of the filter cake structure and its evolution law in the process of filter press dewatering were investigated by using the ...
Xiaomin MA +4 more
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Application of gravity separators for enrichment of South Chah-Palang tungsten ore [PDF]
International Journal of Mining and Geo-Engineering, 2016 In the present study, the possibility of concentrating tungsten-copper vein ore in South Chah-Palang was examined using gravity separators including Jig Machine (-2360+600 μm), shaking table (-600+120 μm), and multi-gravity separator (MGS) (-120 μm). The
Hamid Hedayati Sarab-shahrak +3 more
doaj
Experimental Study on Flotation of a Molybdenum Mine in Inner Mongolia by LKD-3
Kuangchan zonghe liyongIn view of the problems of complex dissemination state, serious argillization and difficult to reduce tailings grade of a molybdenum mine in Inner Mongolia, LKD-3 collector was used to conduct the flotation test.
Ying LI +6 more
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International Journal of Mining Science and Technology, 2014 In this work, different flotation–preoxidation–cyanidation methods are considered for treating a low-grade refractory gold ore. On the one hand, the results of selective flotation show that 22% and 31.1% of total Sb and As, respectively, remained in the ...
Soltani Faraz +3 more
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