
Removal and utilization of dust generated by mining powder processing

Current status of the technology for utilizing difficulttotreat dust
2022年9月20日 In the field of wet processing, a multimetal gradient separation and extraction technology was developed based on the coupling of directional dissolution–evaporation 12 小时之前 Steel metallurgical dust, characterized by a substantial output, minute particle size, and intricate composition, poses a considerable risk of environmental contamination while Characterization of Physical and Chemical Properties of Multi2016年10月19日 Mining processes provide multiple pathways for the production and dispersal of mineral dust into the surrounding environment Dust source activities include removing Mineral Dust Emissions at Metalliferous Mine Sites2023年10月1日 Research results show that: when the water flow remains constant, the dust removal efficiency increases with the increase of the gas flow; when the gas flow remains A review of dust control/removal methods in metal mines in China

Advanced Technologies on Mine Dust Prevention and Control
2023年4月13日 characteristics of longterm dust pollution in surface coal mines Factors influencing dust concentration in different seasons were calculated using the Gray 2023年10月1日 Research and application of dust removal performance optimization of exhaust ventilation system in fullymechanized excavation rock tunnel Shihang Li Yujie Huang +6 A review of dust control/removal methods in metal mines in China2022年11月20日 In terms of coal mine dust control, measures such as coal seam water injection, highpressure spraying, and moving sidewalk spraying are mainly used to control the Advanced Technologies on Mine Dust Prevention and Control2023年4月13日 They outlined some of the strategies that have been developed for mine dust control from the aspects of ventilation dust removal, spray dust reduction, chemical dust Advanced Technologies on Mine Dust Prevention and Control

A review of dust control/removal methods in metal mines in China
2023年12月1日 In recent years, the control and removal methods for dust pollution in metal mines mainly focused on six aspects: (1) ventilation and dust removal technology, (2) sealed 2019年7月16日 Marble waste is a solid waste material generated from the marble processing and can be used as a filler material in cement while preparing concrete Quarry stone is also used for the replacement Utilization of waste quarry dust and marble powder 2012年11月24日 Fine materials resulting from blasting have varied utilization Sometimes fines are considered useful in further metallurgical and chemical processing, while at other times fines are rejected and (PDF) Fines and Dust generation and control in Rock2024年3月4日 Blast furnace dust (BFD) is the solid powder and particulate matter produced by dust removal process in ironmaking industry The element composition of BFD is complex, and a direct return to sintering will lead to heavy metal enrichment and blast furnace lining corrosion In recent years, the application of BFD in wastewater treatment has attracted widespread Review in application of blast furnace dust in wastewater

Eliminating environmental impact of coal mining wastes and coal
2024年10月1日 Sulphur removal from coal mining wastes and coal processing byproducts before combustion does not make any sense As such, SOx emissions from the combustion of coal mining wastes and coal processing byproducts can only be reduced by applying control measures during and/or post combustion2024年2月27日 Rapid economic development and increased demand for mineral products in China have led to extensive extraction of various ores, resulting in significant environmental challenges associated with the generation of industrial solid waste, particularly iron tailings Despite being a major mining nation, China faces issues of wasteful practices, with substantial Transforming Mining Waste to Wealth: A Novel Process for the2018年9月1日 Utilization of dusts generated by steelmaking industries prevents the disposal of wastes and enhances the use of secondary raw material This work aimed to study the simultaneous recycling of Utilization of blast furnace sludge for the removal of zinc from 2021年7月5日 Stainless steel dust is a solid waste and contains a large number of valuable Fe, Cr, and Ni metal oxides, which should be recovered efficientlyThrough direct reduction and selfpulverization separation, the goals of high metal recovery ratios and grades in the new process of comprehensive stainless steel dust utilization were achievedGreen and efficient utilization of stainless steel dust by direct

Development and Utilization of Corn Processing byProducts: A
2022年10月13日 As an important food crop, corn has an important impact on people’s lives The processing of corn produces many byproducts, such as corn gluten meal, corn husk, and corn steep liquor, which are rich in protein, oil, carbohydrates, and other nutrients, all of which are inexpensive Their accumulation in large quantities during the production process not only 2020年5月3日 In order to have a uniform PSD for the steel dust and bentonite mixture, the steel dust samples were sieved through 200 mesh (75 µm) to remove course particles This makes all particles less than 75 µm, with 90% of particles (d90) less than 598 µm and gives an average particle size (d50) of 196 µm for steel dust compared to 79 µm of bentoniteUtilization of SteelMaking Dust in Drilling Fluids FormulationsRequest PDF On Sep 30, 2020, Xiaolong Gong and others published Comprehensive utilization of foundry dust: Coal powder and clay minerals separation by ultrasonicassisted flotation Find, read Comprehensive utilization of foundry dust: Coal powder and 2018年2月15日 The carbon contained in dust is confirmed to participate in the reduction process in the form of gasification The heat and mass transfer characteristics between dust particle and reducing gas during inflight process are also analyzed, which provide fundamental knowledge for effective utilization of BF dust with inflight reduction technologyProcess optimization of metallurgical dust recycling by direct

A study on the zinc removal kinetics and mechanism of zincbearing dust
DOI: 101016/jpowtec202011077 Corpus ID: ; A study on the zinc removal kinetics and mechanism of zincbearing dust pellets in direct reduction @article{Zhu2020ASO, title={A study on the zinc removal kinetics and mechanism of zincbearing dust pellets in direct reduction}, author={De‐qing Zhu and Dingzheng Wang and Jian Pan and Hongyu Tian and Yuxiao Xue}, 2020年3月1日 Request PDF Utilization of treated saw dust in concrete as partial replacement of natural sand The mining of natural material such as sand for use in construction of infrastructure on large Utilization of treated saw dust in concrete as partial replacement of Marble stone industry generates both solid wastes and stone slurry This paper focus on the utilization of waste of Marble dust powder in concrete and enhancement of strength of concrete more economically The Marble dust powder was added in M20 grade of concrete at (0%, 5%, 10%, 15%, 20%, 25% 30%) with partial replacement by weight of cementUTILIZATION OF WASTE QUARRY DUST AND MARBLE POWDER hole zone to the point where radial stresses exceed the compressive strength of rock mass However, Svahn, (2003) and others have shown that much of the fines generated in blasting do10 FINES AND DUST GENERATION AND CONTROL IN ROCK

Removal of Al, Ba and Mg from industrial wastewater using
2020年6月5日 Wastewater treatment and removal of hazardous metals is imperative for the wellbeing of living things and the environment Different methods for the removal of hazardous metals have been proposed and practiced with varying success In this study, dust slag generated by electric arc furnace is utilized for the removal of aluminium, barium and magnesium from 2012年8月10日 During various stages of mining operations, such as extraction, mineral beneficiation, and processing, substantial amounts of waste are generated These mining wastes, which include both solids The Challenges of Reusing Mining and MineralProcessing Wastes2016年12月19日 Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain Mine tailings, consisting of process effluents that are generated in a Process effluents and mine tailings: sources, effects and management Huge quantities of solid wastes are generated as a result of mining and mineral processing activities in the United States Over the years, the majority of these byproducts have been disposed of in unsightly dumping areas which are aesthetically unattractive and often degrading to the en vironmentUTILIZATION OF MINING AND MINERAL PROCESSING

Optimizing openpit coal mining operations: Leveraging
2024年6月29日 Dust pollution from Chinese openpit coal mines (OPCMs) threatens the coexistence of resource development and environmental protection This research introduces a new approach to designing OPCMs based on meteorological indicators for dust removal and diffusion It analyzes the production, distribution, and dust emission features of largescale 2022年6月29日 As phosphogypsum constitutes a large amount of solid waste material, its purification treatment and comprehensive utilization have close connection with economic development and ecological environmental The Generation Process, Impurity Removal and High 2016年7月1日 The Marble Dust (MD), a byproduct generated by the Marble industry, was modified by magnetic nanoparticles and denoted as MMD, characterized by XRF, XRD, SEM, EDX, FTIR, VSM, and BE T for Potential applications of marble dust in industrial use 2015年12月1日 During this procedure, sintering dust was generated and then collected by electrostatic precipitator, which accounts for approximately 40% of the total emission in the iron and steel industry [3]A novel method for comprehensive utilization of sintering dust

A review of dust control/removal methods in metal mines in China
2023年12月1日 The main harm of dust in metal mines to human health is pneumoconiosis To track the incidence rate of occupational diseases, the National Health Commission of the People's Republic of China conducts statistics on the incidence rate of occupational diseases every year Fig 2 shows the number and proportion of new occupational diseases and pneumoconiosis in 2015年1月1日 Environmental Impact of Mining and Mineral Processing: Management, Monitoring, and Auditing Strategies covers all the aspects related to mining and the environment, including environmental Environmental Impact of Mining and Mineral Processing: 2016年10月19日 This review considers aspects of mineral dust related to the mining of metalliferous ores including: (a) sources of mineral dust at mine sites (ie land clearing, drilling and blasting, transport operations, crushing, milling , screening, stockpiles); (b) control measures to reduce dust generation; (c) monitoring techniques; (d) mineral dust characterization to Mineral Dust Emissions at Metalliferous Mine Sites2023年11月6日 Zinc extraction residue, a solid waste generated from the treatment of zinccontaining dust in rotary kilns, is commonly stockpiled in steel companies for extended periods It poses significant disposal challenges and environmental pollution risks So far, research on the treatment of zinc extraction residues has been slow, inadequate, and sporadic For this gap, a Disposal of zinc extraction residues via iron ore sintering process:

Research on environmental dust pollution: ventilation and dust
2022年1月14日 To investigate the influence of dust produced by multidust sources at a fully mechanized mining face with a large mining height on the safety conditions in a coal mine, the No 22305 fully mechanized mining face of the Bulianta coal mine was considered as the research object in this study, and the space–time evolution of dust was analyzed with computational 2022年2月24日 Water used by mining enterprises needs to be comprehensively recovered and utilized to achieve clean production This requires the effective treatment of mineral processing wastewater Wastewater produced during nonferrous metal mineral processing contains a complex mixture of pollutants at high concentrations, making comprehensive treatment Wastewater Treatment in Mineral Processing of NonFerrous The metallization rate and the zinc removal rate of BZP achieved 5847 % and 8674 %, respectively, indicating the effectiveness and feasibility of the propose of approach This approach provides a clean and comprehensive utilization way out A new approach to collaborative resource utilization of biological 2022年4月6日 Among coal miningrelated wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining A thorough understanding of environmental concerns associated with the current model of CG utilization and potential future application is gaining paramount importanceThe Sustainable Utilization of Coal Gangue in Geotechnical and

Production and resource utilization of flue gas desulfurized
2021年11月1日 As the world's largest producer of FGD gypsum, China occupies a very prominent position in the world, and its utilization is also imminent This article reviews the production and development of China's FGD gypsum in the past 20 years, and determines its production process, composition, and environmental impactRequest PDF On Mar 31, 2016, Dhiraj Mehta and others published Utilization of marble waste powder as a novel adsorbent for removal of fluoride ions from aqueous solution Find, read and cite Utilization of marble waste powder as a novel adsorbent for removal 2018年8月1日 Steel slag is the oxidized material that is generated when lime, dolomite, and other auxiliary materials are added, and oxygen is blown onto the pig iron produced by a blast furnace to remove carbon (C), phosphorus (P), sulfur (S), and other components to produce crude steel in a basic oxygen furnace (BOF)Steel slag in China: Treatment, recycling, and management2023年3月1日 The raw materials used in this study included SSD generated during smelting of 400series stainless steel, with a particle size range of 139–133 µm and an average particle size of 536 µm (provided by the Stainless Steel Plant of Shandong Taishan Iron and Steel Co, ltd, China), reduced Fe powder with a purity of 99999 % (provided by Sinopharm, China), high Green and efficient recovery of stainless steel dust by ironbath

A Review of the Comprehensive Recovery of Valuable Elements
2020年6月12日 Copper smelting opencircuit (CSO) dust contains various valuable metals, such as copper, lead, and zinc, as well as undesirable toxic elements such as arsenic Thus, the comprehensive recovery of valuable elements from CSO dust is highly significant from both economic and environmental perspectives In this review, pyrometallurgical, 2019年6月1日 Biological methods are preferred because of the cost with reagents and limited removal of COD with the physicochemical methods There are increasing number of studies related to dairy effluents and byproduct treatment and utilization (Chandra, CastilloZacarias, Delgado, ParraSaldívar, 2018; Ganju Gogate, 2017)Treatment and utilization of dairy industrial waste: A review2012年7月1日 We evaluate the morphology, particle size and size distribution of sanding wood dust We use Scanning Electron Microscopy (SEM) and ImageJ processing program The proposed method shows a potential as a standardized method of measurement The minimal Feret’s diameter was chosen for the visualization of the results We found that sanding Particle size, size distribution and morphological evaluation of 2021年6月3日 A large amount of dust is formed as one of the primary byproducts during the blast furnace ironmaking process Besides iron and carbon, it contains a variety of valuable metals such as zinc, lead, and indium widely applied in many industry fields However, it is difficult to recycle and reutilize blast furnace dust (BFD) due to complex composition, fine particle size, A Review on Recycling and Reutilization of Blast Furnace Dust as a

(PDF) Utilization of Galvanizing Flue Dust Residue: A Sustainable
2024年2月20日 Utilization of Galvanizing Flue Dust Residue: A Sustainable Approach towards Complete Material Recycling