MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Tailings limestone silicon micropowder admixture
Mechanical activation of siliceous tailings and its application
2022年2月1日 In this paper, the mechanical activation method was applied for improving the pozzolanic activity of siliceous tailings, and the activated siliceous tailings were used as 2022年1月17日 To increase the utilization rate of limestone tailings and desulfurization gypsum and reduce the cement clinker and sodium hydroxide admixture, the optimal proportion is Highefficiency utilization of limestone tailings: Used as cementitious 2024年8月2日 The paper conducts feasibility tests on iron tailings fine powder as concrete mineral admixture, and compares its performance with traditional admixture fly ash and ground Effect of Iron Tailings Fine Powder as Admixture on the2018年6月26日 Utilization of mine waste rocks and tailings in concrete as aggregates will help in sustainable and greener development The literature shows the potential use of iron ore Sustainable use of mine waste and tailings with suitable
Mechanical and microstructural properties of iron mining tailings
2023年9月21日 This study evaluated the stabilization of iron ore tailings (IOTs) with an alkaliactivated binder (AAB) produced from sugar cane bagasse ash, hydrated eggshell lime, and 2024年1月20日 In this work, we investigate the use of pyriterich tailings from an operational mine as mineral admixture in different cement matrices [Portland cement, calcium aluminate Effect of sulfidic mine tailings used as mineral admixtures on 2020年9月15日 In this study, mineral tailings activation methods were investigated to improve some of the tailings characteristics in order to be suitable for use in cemented paste containing A review on different methods of activating tailings to 2023年4月11日 To investigate the application of iron tailings in cementbased materials as fine aggregate and mineral admixture, six iron tailings sands were selected from different places of origin, and the methods of acid and alkali Effect of Iron Tailings as Fine Aggregate and
Converting Iron Mine Tailings into Composite Aggregates
2024年10月30日 The results showed that a composite aggregate consisting of 60% IT and 40% QS could achieve the best strength of UHPM When QS was completely replaced by IT, 2022年1月17日 Wang et al [9] combined limestone tailing sand with optimized limestone tailingbased cementitious material as karst backfill material to improve the performance of the backfill material by optimizing the pore structure This karst backfill material effectively utilized limestone tailings with utilization rates ranging from 875% to 9375%Highefficiency utilization of limestone tailings: Used as 2019年12月8日 YANG C, CUI C, QIN J, et al Characteristics of the fired bricks with lowsilicon iron tailings[J] Construction and Building Materials, 2014, 70:3642 Google Scholar [51] LI R, ZHOU Y, LI C, et al Recycling of industrial waste iron tailings in porous bricks with lowPresent Situation of Comprehensive Utilization of Tailings 2022年1月17日 When the content of copper tailings powder is higher than 30%, the influence on the later hydration reaction is much greater than that of the early hydration reaction, which is beneficial to the Highefficiency utilization of limestone tailings: Used as
CNA Steel slag/limestone composite admixture
The composite admixture comprises a I type material and a II type material, wherein the I type material is prepared by milling 6085% of limestone, 1030% of sandstone and 515% of fluorogypsum; and the II type material is prepared by milling 5070% of grain slag, 525% of steel slag and 1030% of high silicon The composite admixture for 2018年6月26日 dolomite, gypsum, limestone, mica, chromite, manganese, zinc, graphite, etc India presents significant opportuni ties in mining and metal space India has world‟s 7th largest reserves of iron ore (Indian Chamber of Commerce, May 2015) Sustainable use of mine waste and tailings with suitable admixture as aggregates Sustainable use of mine waste and tailings with suitable 2016年10月15日 The tailings are cycloned to separate fine tailings (average particle size less than 0037 mm) and coarse tailings in ChinaThe fine parts are generally stored in a surface impoundment [1], whereas the coarse tailings mixed water and a hydraulic binder are transported by gravity into underground voidsThe relatively high binder contents (10–20 wt% by dry mass) Utilization of limestone powder and waterreducing admixture 2020年9月10日 The microstructures and element contents of iron tailings powder, cement, and nanoclay are determined by SEM and EDS according to the testing methods in [22] Fig 2 a is the SEM spectrum of iron tailings powder, showing the random and disorder configuration of iron tailing particles and many pores with different radii (>1 μm) between the particlesExperimental investigations on the mechanical behavior of iron tailings
Beliterich powder from gold mine tailings used as C80 concrete admixture
2009年10月1日 A beliterich mineral admixture(JS admixture) for concrete was prepared by sintering gold mine tailings and limestone The working performance and mechanical properties of C80 concrete with JS 2018年12月10日 Yang et al (2014) used lowsilicon tailings at 900 °C–1000 °C for making bricks instead of traditional building bricks made of clay and shale The compressive strength of the brick was 250–255 MPa a small amount of a noncement curing agent system composed mainly of fly ash, and an admixture to prepare lowcost ecofriendly brick The properties and formation mechanisms of ecofriendly 2019年11月15日 Mine tailings, generated from the extraction, processing, and utilization of mineral resources, have resulted in serious acid mine drainage (AMD) pollution Recently, scholars are paying more attention to two alternative strategies for resource recovery and ecological reclamation of mine tailings that help to improve the current tailing management, A critical review on environmental implications, recycling strategies vation of iron tailings and its influence on the strength and durability of concrete as a composite admixture 2 Iron tailings activation method Iron tailings are divided into monometallic iron tailings and polymetallic iron tailings, whether they are Anshan highsilicon type iron tailings or Maanshan Iron and Steel highalumina type iron tailingsResearch progress of key technologies for preparing
Effect of Iron Tailings as Fine Aggregate and
2023年4月11日 To investigate the application of iron tailings in cementbased materials as fine aggregate and mineral admixture, six iron tailings sands were selected from different places of origin, and the 2024年2月25日 This study investigates the synergistic effect and mechanism of gelling materials with blast furnace slag (BFS), steel slag (SS) and desulphurization gypsum (DG) as the main components on the hardening of Reaction Process of Solid Waste Composite 2020年12月1日 The cementitious activity of iron tailings powder (ITP) as a concrete admixture is investigated and optimized in this study When the specific surface area (SSA) of ITP is in the range of 450 Cementitious activity optimization studies of iron tailings 2022年12月19日 There are some disposal methods such as tailing dams, dry disposal, inpit disposal, submarine, and riverine tailings disposal, codisposal of tailings, and paste technology that have been used in the mining industry for a long time [7], [8], [9]Although the most widely used of these methods is tailing dams, this method has many disadvantages in terms of cost, Utilization of tailings in concrete products: A review
Mechanical activation of siliceous tailings and its application
2022年2月1日 In terms of compressive strength of concrete, it is feasible to use mechanochemically activated highsilicon iron tailings as a supplementary cementing material to prepare concrete (Cheng et al, 2016) The activated tailings were then used as the admixture and mixed in proportion with P•O 525 Portland cement to produce the new cement2022年2月1日 Iron tailings are a type of solid waste produced during the separation of valuable metals from iron ores [1]Iron tailings are the primary mine solid waste in China, with reserves of nearly 5 × 10 3 million tons and a steady annual growth rate of over 30 million tons [2]Generally, iron tailings are deposited in tailing dams, causing environmental problems and potential Test research on hydration process of cementiron tailings 2021年7月1日 Song, S M, Zhang, L Y, and Li, Z Y (2019) Effect of Iron Tailings Micropowder In order to prepare an iron tailingsbased ternary solid waste admixture and to verify its application to (PDF) Effect of Iron Tailings and Slag Powders on Workability 2021年4月30日 Environmental conservation and technological innovation and development are the major focus of future sustainable built environment []Thus sustainable utilization of industrial wastes in civil engineering applications shall be a viable approach to meet the demands of raw materials such as cement, sand, aggregates, backfill soil and gypsum associated with rapid Recycling Mine Tailings for a Sustainable Future Built Environment
Effect of Iron Tailings as Fine Aggregate and Mineral
2023年4月11日 To investigate the application of iron tailings in cementbased materials as ne aggregate and mineral admixture, six iron tailings sands were selected from dierent places of origin, and the methods of acid and alkali activation only consumes massive natural resources (eg, limestone and clay), but also causes serious environmental dam 2023年5月12日 Exposure of concrete to acidic environments can cause the degradation of concrete elements and seriously affect the durability of concrete As solid wastes are produced during industrial activity, ITP (iron tailing Effect of Iron Tailing PowderBased Ternary 2020年9月1日 In order to examine the mechanical performance of iron tailings powder (ITP) with compound admixture of cement and nanoclay, the mixture ratio of different cement and nanoclay is designed to Experimental investigations on the mechanical behavior of iron tailings 2022年5月27日 The main chemical component of highsilicon iron tailings (HSITs) is SiO2; HSITs also include some oxides such as Al2O3 and CaO Mechanical activation can reduce the particle size of HSITs and enhance their pozzolanic activity such that they can be used as a type of mineral admixture for cementbased materials (CBMs) This study aims to investigate the On the grinding effects of highsilicon iron tailings
Investigation on preparation of pyrite tailingsbased mineral admixture
2017年5月1日 Investigation on preparation of pyrite tailingsbased mineral admixture with photocatalytic activity Author links open overlay panel Guixue Zhang, Yun Yan, Zhihua Hu, Bo Xiao Show more Add to Mendeley Furthermore, in the condition of the existence of silicon, the crystal transformation of anatase to rutile is prevented by TiSi bond [32]2018年10月19日 This paper reports a study on the reconstruction of broken SiOSi bonds in iron ore tailings (IOTs) in concrete Limestone and IOTs were used to investigate the influence of different types of coarse aggregates on the compressive strengths of concrete samples The differences in interfacial transition zones (ITZs) between aggregate and paste were analyzed Reconstruction of broken Si–O–Si bonds in iron ore tailings 2024年4月1日 The preparation of iron ore tailings (IOTs) into supplementary cementitious materials (SCMs) is an effective approach to achieve valueadded utilization of industrial solid waste This study systematically investigates the hydration pattern and strength development of Portland cement systems with the incorporation of IOTs, steel slag (SS), granulated blast The Role of Chemical Activation in Strengthening Iron Ore Tailings 2016年10月15日 The tailings sample used in this study is obtained from an underground copper mine located in the south of China Particle size analysis of the tailings indicates that the tailings can be classified as a coarse size tailings material since 1873 wt% of the sample is finer than 20 μm in size (Table 1) [16]Chemical compositions of the tailings are showed in Table 1Utilization of limestone powder and waterreducing admixture
Utilization of limestone powder and waterreducing admixture
2016年10月1日 The purpose of this study is to assess the coupled effects of limestone powder (LP) and waterreducing admixture (WRA) dosages (by dry total mass) on the properties of cemented paste backfill (CPB 2022年1月1日 Cheng et al [26] found that the highsilicon IOT under mechanochemical activation could be used as the cement replacement for ordinary concrete Some researchers also have studied the feasibility of different types of tailings, including tungsten tailings [27], phosphates [28], and copper [29], both as SCMsHydration characteristics investigation of iron tailings 2024年4月8日 The preparation of cementbased supplementary cementitious materials is an important method for the efficient use of iron tailings and the reduction in CO2 emissions The aim of this study is to improve the reactivity of iron tailings by mixing them with steel slag, slag, and fly ash through orthogonal tests to solve the problem that iron tailings cannot be utilised on a Mechanical Properties and Hydration Mechanism of Iron Tailings 2022年1月17日 Wang et al [9] combined limestone tailing sand with optimized limestone tailingbased cementitious material as karst backfill material to improve the performance of the backfill material by optimizing the pore structure This karst backfill material effectively utilized limestone tailings with utilization rates ranging from 875% to 9375%Highefficiency utilization of limestone tailings: Used as
Present Situation of Comprehensive Utilization of Tailings
2019年12月8日 YANG C, CUI C, QIN J, et al Characteristics of the fired bricks with lowsilicon iron tailings[J] Construction and Building Materials, 2014, 70:3642 Google Scholar [51] LI R, ZHOU Y, LI C, et al Recycling of industrial waste iron tailings in porous bricks with low2022年1月17日 When the content of copper tailings powder is higher than 30%, the influence on the later hydration reaction is much greater than that of the early hydration reaction, which is beneficial to the Highefficiency utilization of limestone tailings: Used as The composite admixture comprises a I type material and a II type material, wherein the I type material is prepared by milling 6085% of limestone, 1030% of sandstone and 515% of fluorogypsum; and the II type material is prepared by milling 5070% of grain slag, 525% of steel slag and 1030% of high silicon The composite admixture for CNA Steel slag/limestone composite admixture 2018年6月26日 dolomite, gypsum, limestone, mica, chromite, manganese, zinc, graphite, etc India presents significant opportuni ties in mining and metal space India has world‟s 7th largest reserves of iron ore (Indian Chamber of Commerce, May 2015) Sustainable use of mine waste and tailings with suitable admixture as aggregates Sustainable use of mine waste and tailings with suitable
Utilization of limestone powder and waterreducing admixture
2016年10月15日 The tailings are cycloned to separate fine tailings (average particle size less than 0037 mm) and coarse tailings in ChinaThe fine parts are generally stored in a surface impoundment [1], whereas the coarse tailings mixed water and a hydraulic binder are transported by gravity into underground voidsThe relatively high binder contents (10–20 wt% by dry mass) 2020年9月10日 The microstructures and element contents of iron tailings powder, cement, and nanoclay are determined by SEM and EDS according to the testing methods in [22] Fig 2 a is the SEM spectrum of iron tailings powder, showing the random and disorder configuration of iron tailing particles and many pores with different radii (>1 μm) between the particlesExperimental investigations on the mechanical behavior of iron tailings 2009年10月1日 A beliterich mineral admixture(JS admixture) for concrete was prepared by sintering gold mine tailings and limestone The working performance and mechanical properties of C80 concrete with JS Beliterich powder from gold mine tailings used as C80 concrete admixture2018年12月10日 Yang et al (2014) used lowsilicon tailings at 900 °C–1000 °C for making bricks instead of traditional building bricks made of clay and shale The compressive strength of the brick was 250–255 MPa a small amount of a noncement curing agent system composed mainly of fly ash, and an admixture to prepare lowcost ecofriendly brick The properties and formation mechanisms of ecofriendly
A critical review on environmental implications, recycling strategies
2019年11月15日 Mine tailings, generated from the extraction, processing, and utilization of mineral resources, have resulted in serious acid mine drainage (AMD) pollution Recently, scholars are paying more attention to two alternative strategies for resource recovery and ecological reclamation of mine tailings that help to improve the current tailing management,