- صورة لفك محطم
- كيفية جعل الطوب من الرمل
- مشروع توسعة مطحنة الكرة منجم morenci
- تطهير سلامة شفرات الحلاقة أو دي مزدوجة كيفية إزالة حلاقة الحلاقة
- شراء معدات ثقيلة بسعر الف
- ماكينة تنظيف القطن
- قائمة الأسعار العلامات التجارية كسارة الفك الحجر
- الاصطناعي مصنع تصنيع الرمل في تنزانيا
- محطم اف مصنع
- ما هو شرط المحجر في كينيا
- محطة التكسير الثانوية كسارة مخروطية
- معدات سحق الكلي في كندا
- لوس انجليس صلابة الحجر الجيري
Utilization of gold mine tailings
Utilization of sulphidic tailings from gold mine as a raw
2016410 Sulphidic mine tailings from a gold mining site were activated with a NaOH solution and commercial ground granulated blast furnace slag (GGBFS) was used as a
Comprehensive Utilization of Tailings in Quartz Vein-Hosted Gold
20221017 The aim of this study was to develop a comprehensive technology for the utilization of tailings from quartz vein-hosted gold deposits. We investigated the recovery
Composition, Harm and Resource Utilization Technology of Gold Mine Tailings
Starting from the composition and harm of gold tailings, this stone summarizes two directions for the resource utilization of gold tailings. One is to recover valuable
Study on strength characteristics and thickening
2023524 The calculation results show that compared with the unclassified tailings as the backfill aggregate, the utilization rate of the tailings in the gold mine can be increased
Utilizing gold mine tailings to produce sintered bricks
202153 In daily mine operation, the gold tailings are primarily transported to tailings ponds for disposal. However, because the gold tailings containing potentially toxic
Utilization potential of mine tailings in geopolymers
202131 MTs are known to be used as active additives and fillers for cement and concrete. In particular, Ince (2019) used gold mine tailings for partial replacement (up to
Recycling Mine Tailings for a Sustainable Future Built
2021430 J. Kiventerä, L. Golek, J. Yliniemi, V. Ferreira, J. Deja, M. Illikainen, Utilization of sulphidic tailings from gold mine as a raw material in geopolymerization. Int. J.
Potential utilization of artisanal gold-mine tailings as
2019326 Keywords Gold-minetailingsGeopolymerizationStabilizationUtilization 1 Introduction ThePhilippinesisconsideredasoneoftheworld’stoppro
Experimental analysis on cyanide removal of gold tailings
202337 In order to improve the resource utilization efficiency of gold tailings, a medium-temperature roasting experiment was carried out on the stock tailings of
Study on strength characteristics and thickening
2023524 The calculation results show that compared with the unclassified tailings as the backfill aggregate, the utilization rate of the tailings in the gold mine can be increased from 45.1% to 90.3% when
Recycling Mine Tailings for a Sustainable Future Built
2021430 When gold mine tailings were used as a sand replacement a maximum strength of 47 MPa was achieved at 30% replacement. V. Ferreira, J. Deja, M. Illikainen, Utilization of sulphidic tailings from gold mine as a raw material in geopolymerization. Int. J. Miner. Process. 149, 104–110 (2016) CrossRef Google Scholar
The detoxification and utilization of cyanide tailings: A critical
2021615 Cyanide tailings are the bulk solid waste generated by the production processes of gold mines. Since the highly toxicity of cyanide affects its disposal and comprehensive utilization, a decyanation treatment is needed. However, wide-ranging industrial uses of the current decyanation methods are restricted due to the treatment
Utilization of sulphidic tailings from gold mine as a raw
2016410 The materials used in this study include sulphidic mine tailings (MT), commercial ground granulated blast furnace slag (GGBFS), sodium hydroxide (NaOH), and de-ionized water. The mine tailings were received as slurry from a gold mining site in Northern Finland. The slurry was dried to a constant weight in 105°C before being used
Valorization of waste mill tailings from small-scale mining
202332 The gold extraction process from small-scale mining yields pulverized rock by-products called mill tailings (Behera et al. 2021).These residues are disposed to be dewatered and pumped to the tailings pond or dam (Qian et al. 2023).Tailings are materials, whether solid, liquid, or a combination of the two, that are separated from the ores during
Alkali activation as new option for gold mine tailings
2018620 Table 2 presents the main elements of the raw materials and the physical properties of the mine tailings used. Mine tailings are fine-grained materials with a mean particle size of around 49 μm and consist mainly of SiO 2, Al 2 O 3, and CaO.In addition, a significant amount of iron, around 10%, and a high level of sulphur content were detected
Mine tailings as a raw material in alkali activation: A review
2020815 The mining industry produces billions of tons of mine tailings annually. However, because of their lack of economic value, most of the tailings are discarded near the mining sites, typically under water. The primary environmental concerns of mine tailings are related to their heavy metal and sulfidic mineral content. Oxidation of sulfidic minerals
Minerals Free Full-Text Utilization of Palm Oil Fuel Ash
202326 The repurposing of gold (Au) mine tailings from artisanal and small-scale mining (ASGM) operations via alkali activation technology is a promising strategy for waste reduction in developing countries. Direct activation of mine tailings, however, is challenging because these materials contain relatively low aluminum (Al)-bearing minerals. In this
The detoxification and utilization of cyanide tailings: A critical
2021615 1. Introduction. In the 19th century, cyanide leaching was proposed, and then it was widely used in gold processing due to its advantages of maturity, low-cost and high-leaching efficiency (Li et al., 2020).Around the world, about 90% of gold is recovered by this method (Acar, 2016; Tu et al., 2019), thereby resulting in the production of billions of
Utilization of tailings in concrete products: A review
20221219 In these studies, iron, lead–zinc, copper, molybdenum, gold, coal, magnesite, boron, and marble mine tailings were used in the concrete mixture instead of both fine aggregate and cement. Each of these tailings has different chemical properties (Fig. 2). The concrete properties examined in these studies are given in Table 1.
UTILIZATION OF PHILIPPINE GOLD MINE TAILINGS AS A
28 UTILIZATION OF PHILIPPINE GOLD MINE TAILINGS AS A MATERIAL FOR GEOPOLYMERIZATION *Erica Elice Saloma Uy1, Mary Ann Quintana Adajar2, and Joenel Gales Galupino3 1,2,3Department of Civil Engineering, Philippines 1,2,3Faculty, De La Salle University, Philippines; 2, De La Salle University, Philippines *Corresponding Author,
Utilization of mill tailings, fly ash and slag as mine paste
20211122 The underground cemented backfilling of tailings slurry in metal mines is an important guarantee for controlling goaf, reducing tailings storage, and ensuring mining safety. As a typical multiphase flow, the slurry and its pipeline flow transportation are important factors that affects mining efficiency and leads to poor pipeline wear.
Mine tailings as a raw material in alkali activation: A review
2020220 L. Manjarrez and L.Y. Zhang, Utilization of copper mine tailings as road base construction material through geopolymerization, J. Mater. Civ. Eng., 30(2018), Modelling and optimization of gold mine tailings based geopolymer by using response surface method and its application in Pb 2+ removal, J. Cleaner Prod., 237
Utilization of tailings in concrete products: A review
20221219 The MgO content of the tailings to be used as aggregate in concrete is required to be<3 % [56]. In addition, the Cl and SO 4 contents of the tailings have a significant effect on the concrete quality [44]. The tailings can be used as an inert filler to replace fine aggregates in concrete.
Unlocking the potential of microbes: biocementation technology for mine
202381 Despite considerable research has been conducted on physical and chemical methods for rehabilitating mine tailings, for instance, the extraction of metals such as copper, silver, gold, and uranium from mineral ores through bioleaching (Thavamani et al. 2017), there has been limited exploration of the potential role of microorganisms in mine
Mine tailings-based geopolymers: A comprehensive review
202291 Gold mine waste-geopolymer composites were created by Falayi [228] utilizing potassium aluminate, potassium silicate, and potassium hydroxide activators. According to its findings, the maximum compressive strength of gold mine tailings-geopolymer composites was discovered at a potassium silicate/potassium hydroxide
Comprehensive Utilization of Tailings in Quartz Vein-Hosted Gold
20221017 The aim of this study was to develop a comprehensive technology for the utilization of tailings from quartz vein-hosted gold deposits. We investigated the recovery potential and separation process for gold, feldspar, and quartz from tailings samples collected from the Jinqu gold mine in Henan province, China. The sequence of the
Modelling and optimization of gold mine tailings based geopolymer
20191110 Gold mine tailings are stored in the tailings dam but tailings amounts increased year by year with the development of gold mining. This situation causes environmental pollution. Utilization of sulphidic tailings from gold mine as a raw material in geopolymerization. International Journal of Mineral Processing, Volume 149, 2016, pp.
Dual waste utilization in cemented paste backfill using steel
202251 Tailings are residues generated from mining operations, representing one of the largest industrial waste productions produced every year [1]. In the process of mine production, 0.5–0.95 t tailings can be produced for every 1 t ore treated. In recent years, about 1 × 10 8 t tailings is discharged from metal mines every year in China [2
Recycling of mine tailings for the geopolymers
202261 The utilization of tailings to substitute natural aggregates (gravel or sand) Impacts on aquatic biota from salinization and metalloid contamination by gold mine tailings in sub-Arctic lakes. Environ. Pollut., 278 (2021), Article 116815. View PDF View article View in Scopus Google Scholar