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
Hainan coal slag treatment
Metagenomic Insights into Coal Slag Remediation Effects on Soil
2024年11月1日 Based on the aforementioned research gap, this study focused on the Muli coal mine in Qinghai Province, a region severely affected by coal mining activities, and aimed to evaluate the effectiveness of 11 coal slag treatment measures for improving soil health and 2024年11月1日 Metagenomic Insights into Coal Slag Remediation Effects on Soil and Microbial Health in Qinghai's Muli Hainan Normal University, Haikou , China 2 Hainan Beiou Metagenomic Insights into Coal Slag Remediation Effects on Soil 2024年11月1日 This study evaluated soil samples under 11 ecological restoration treatments using metagenomic sequencing combined with soil quality analysis to explore the responses Metagenomic Insights into Coal Slag Remediation Effects on Soil 2022年1月20日 “Ozone + biological aerated filter” process has good treatment effect in advanced treatment This review studies the prominent wastewater pollution problems and Review on treatment technologies of coal gasification wastewater
Review of the characteristics and graded utilisation of coal
2021年7月1日 Hence, the treatment of coal gasification slag is extremely important In this paper, the production, composition, morphology, particle size structure and water holding 2024年4月1日 The ensuing impacts include: (1) The acid reacts with minerals on the CGS's surface, introducing new functional groups or altering surface charge properties, thereby Modification and resource utilization of coal gasification slag 2024年9月7日 This paper provided a comprehensive review of various modification methods (including mechanical, chemical, microbiological, thermal, hydrothermal and composite Opportunities, challenges and modification methods of coal 2023年6月16日 This study employs low field nuclear magnetic resonance (LFNMR) analysis to investigate the water occurrence states in a filter cake with 707% moisture content derived Characterizing moisture occurrence state in coal gasification fine
Integration of coal gasification and waste heat recovery
2015年11月12日 Here we report a novel approach to extract the waste heat and iron from high temperature steel slags (1450–1650 o C) produced in the steel industry, ie, integration of coal gasification and2022年10月25日 Our previous study (18) reported that the ultrasonic pretreatment can improve the residual carbon recovery efficiency from the coal gasification fine slag, and reduce the ash content and change the particle size Enrichment of Residual Carbon in Coal Gasification 2024年2月3日 Fine slag (FS) is an unavoidable byproduct of coal gasification FS, which is a simple heap of solid waste left in the open air, easily causes environmental pollution and has a low resource utilization rate, thereby restricting the development of energysaving coal gasification technologies The multiscale analysis of FS performed in this study indicates typical grain size Multiscale analysis of fine slag from pulverized coal gasification in 2018年11月7日 Steelmaking plants continuously strive to reduce the environmental load in the steelmaking process, resulting in the recycling of energy, water, and other byproducts In this chapter, techniques for the Treatments and Recycling of Metallurgical Slags
Enrichment of residual carbon from coal gasification fine slag by
2022年8月1日 The coal gasification process produces a large amount of coal gasification slag (CGS), which enriches the heavy metals in the raw coal The CGS will not only occupies land resources in the long 2022年12月13日 SEM, particle size analysis, and contaminant content of coarse coal gasification slag (CCGS) produced by Shenhua Xinjiang Chemical Co, Ltd were measured, respectively, and the physicochemical properties of the soil after improvement using gasification slag were investigated in this paper The results showed that the slag was porous, the particle Research on the Application of Coal Gasification Slag in Soil2024年7月10日 Ecological Restoration in Qinghai's Muli Coal Mine: Evaluating the Impact of Coal Slag Treatments on Soil and Microbial Health 41 Pages Posted: 10 Jul 2024 See all articles by Qi LinEcological Restoration in Qinghai's Muli Coal Mine: Evaluating the 2012年8月1日 PDF The effect of subbituminous coal treatment with molten blast furnace slag on the char properties was studied towards development of an Find, read and cite all the research you need on Study on effect of coal treatment with blast furnace slag on char
Preparation and application of porous materials from coal gasification
2022年1月1日 Coal gasification slag (CGS) is a solid waste produced in the process of coal gasification reaction Coal gasification is the process of reacting coal with gasification agents (hydrogen, air, oxygen, and water vapor) at a certain temperature and pressure to convert the combustible part of coal into combustible gas, while the ash in coal is discharged in the form of 2023年7月1日 Coal gasification fine slag (CGFS) is a kind of industrial waste that is generated from entrainedflow coal gasification with a high content of 05 M hydrochloric acid (HCl)extractable silicon (Si)Promotion of HydrophobicHydrophilic Separation of Coal 2021年6月1日 In these solid wastes, FA and slag are the most widely applied materials due to their being easily acquired Different to FA, CG needs to be calcined at 500900 • C to transfer the crystal Review of the characteristics and graded utilisation of coal 2012年8月1日 Shatokha and Sokolovskaya Coal treatment with blast furnace slag and char reactivity in air 444 Ironmaking and Steelmaking 2012 VOL 39 NO 6 References 1Study on effect of coal treatment with blast furnace slag on char
Performance of FullComponent Coal Gasification Fine
2024年2月15日 Ultrafine, highly active coal gasification slag (HCGS) was produced via a sustainable, green dryballmilling method Coal gasification fine slag (CGS), a potential environmental pollutant, was used as a new source of 2023年3月13日 As a byproduct of the coal gasification process, a large amount of coal gasification slag is generated The failure to fully dispose of it has caused the occupation of land resources and Numerical and Experimental Study on the Colliding 2021年7月1日 Hence, the treatment of coal gasification slag is extremely important In this paper, the production, composition, morphology, particle size structure and water holding characteristics of coal gasification slag are introduced, and the methods of carbon ash separation of gasification slag, both domestically and abroad, are summarisedReview of the characteristics and graded utilisation of coal 2014年2月19日 Slags are byproducts of the metallurgical industry It is of importance to recycle materials and recover heat from metallurgical slags to reduce the energy consumption and environmental impact of steel industry China is the largest iron and steelmaking slag producer in the world, and intensive efforts have been made during last decades for slag valorisation, Current Development of Slag Valorisation in China
Removal of phosphate from wastewater using coal slag
2020年1月7日 Adsorption is an efficient, costeffective, and ecofriendly method for the treatment of phosphorus from wastewater This work presents the adsorptive removal of phosphate ions in aqueous solution 2023年3月13日 As a byproduct of the coal gasification process, a large amount of coal gasification slag is generated The failure to fully dispose of it has caused the occupation of land resources and environmental pollution Before its comprehensive utilization, the carbon and ash constituents must be separated, for which flotation is an effective method However, the small Numerical and Experimental Study on the Colliding Flow Pulp 2024年4月1日 Coal gasification technology has led to a significant increase in CGS discharge and consequently, the disposal of gasified solid waste gasification slag has become a major concern [10]It is reported that, more than 70 million tons of CGS is produced every year in China [11]Only a very small part of the slag is used, while the vast majority of CGS is simply Modification and resource utilization of coal gasification slag 2023年3月1日 Slag is the main byproduct of coal gasification According to the difference in the discharge mode and particle size, coal gasification slag is mainly composed of two parts, namely coarse slag and fine slag (Pan et al, 2016)Herein, coarse slag is mainly discharged from the bottom of the gasifier, while fine slag is mainly from the dust removal device, including the Enrichment and utilization of residual carbon from coal
Mineralogy and geochemistry of ash and slag from coal gasification
2017年2月8日 Request PDF Mineralogy and geochemistry of ash and slag from coal gasification in China: a review China is the largest coal gasification market in the world The gasifiers have been DOI: 101016/jcolsurfa2022 Corpus ID: ; Enhanced flotation mechanism of coal gasification fine slag with composite collectors @article{Xue2022EnhancedFM, title={Enhanced flotation mechanism of coal gasification fine slag with composite collectors}, author={Zhonghua Xue and Lianping Dong and Minqiang Fan and Hongli Yang and Liu An Enhanced flotation mechanism of coal gasification fine slag with As a byproduct of the coal gasification process, a large amount of coal gasification slag is generated The failure to fully dispose of it has caused the occupation of land resources and environmental pollution Before its comprehensive utilization, the carbon and ash constituents must be separated, for which flotation is an effective methodNumerical and Experimental Study on the Colliding Flow Pulp 2024年9月11日 The increasing amount of coal gasification fine slag (CGFS) necessitates its resource utilization CGFS, mainly composed of porous carbonaceous particles and partially fused spherical or Mechanism of onestep hydrothermal nitric acid treatment for
Enrichment of Residual Carbon in Coal Gasification
2022年10月25日 To overcome the environmental and economic challenges posed by the increasing amounts of the coal gasification slag, here, a simple and efficient method for enriching the residual carbon from the coal gasification 2024年3月29日 Coal gasification fine slag (CGFS) is a significant source of solid waste requiring improved treatment methods This study primarily investigates the mechanism of ultrasonic treatment in optimising flotationbased decarbonization of CGFS and its impact on CGFS modified with surfactants The objective is to maximise the carbon ash separation effect to support the Ultrasonication Improves the Flotation of Coal Gasification Fine Slag 2020年10月1日 Entrainedflow gasification coal fine slag is a low value and difficulttoseparate solid waste In this work, ultrasonic flotation experiments are adopted to enrich the residual carbon and are Enrichment of residual carbon in entrainedflow gasification coal Characterization, carbonash separation and resource utilization of coal gasification fine slag: A comprehensive review Liang Ren, Fuchen Wang, in Journal of Cleaner Production, 2023 Abstract Coal gasification fine slag (CGFS) from the entrainedflow coal gasification process mainly contains ash and residual carbon Currently, the CGFS is normally stacked and Coal Gasification Fine Slag an overview ScienceDirect Topics
Integration of coal gasification and waste heat recovery from
2015年11月12日 The most important stage was the gasification reaction between the char formed and CO 2 agent at the set temperatures Fig 2d displays the gasification process of the raw coal and it can be seen 2021年6月8日 Request PDF Use of steel slag as sustainable construction materials: A review of accelerated carbonation treatment Steel slag is a byproduct discharged from the steelmaking process, which is Use of steel slag as sustainable construction materials: A review of 2024年1月17日 The intrinsic mechanism and impact process of how coal gasification coarse slag (CGCS) amends the physicochemical properties of a specific soil based on its properties are not yet clear The study explored the properties of CGCS that can be used for soil amendment by evaluating the properties of topsoil and CGCS Different CGCS additions (0%, 5%, 10%, 15%, Use of coal gasification coarse slag to amend the soil water, 2022年5月12日 The fly ash and slag from coal burning were attractive byproducts to prepare geopolymers for the adsorption of methyelen blue in wastewater due to their availability and low costCoal fly ashslag and slagbased geopolymer as an absorbent for
Clinker (waste) Wikipedia
Clinker from a cement kiln Clinker is a generic name given to waste from industrial processes, particularly those that involve smelting metals, welding, burning fossil fuels and use of a blacksmith's forge, which commonly causes a large buildup of clinker around the tuyereClinker often forms a loose, dark deposit consisting of waste materials such as coke, coal, slag, Coal gasification technology has become an important part in China's energy strategy However, a great amount of slag has been generated due to this technology, which requires urgent development of resource utilization Research status and prospects of utilization 2024年7月9日 Gasification technology enables the clean and efficient utilization of coal However, the process generates a significant amount of solid waste—coal gasification slag This paper focuses on the Jinhua furnace coal gasification Composition and Structural Characteristics of Coal 2023年6月16日 The coal chemical industry’s rapid growth has led to an escalating generation of coal gasification slag, resulting in increased environmental concerns (Ren et al 2023) In Hainan University, Haikou, China Correspondence @hainanu combustion reaction Kinetics and solid waste treatment and resource utilization Characterizing moisture occurrence state in coal gasification fine slag
Hainan WANG China University of Mining and Technology,
Hainan WANG Cited by 275 of China University of Mining and Technology, As a byproduct of the coal gasification process, a large amount of coal gasification slag is generated2024年2月17日 Coal gasification fine slag (FS) is a typical solid waste generated in coal gasification Its current disposal methods of stockpiling and landfilling have caused serious soil and ecological hazardsStructural properties of residual carbon in coal gasification fine slag 2020年12月11日 Coal gasification fine slag (FS), a kind of byproduct of coal chemical industry, was recovered for the preparation of functional adsorbents by acid leaching process, which was orthogonally Synthesis of SinglePhase Zeolite A by Coal Gasification Fine Slag 2020年12月11日 Since the special composition and structure of coal gasification slag cannot be applied to the treatment of fly ash, under the requirement of resource recycling, using coal gasification slag requires a low cost, low water consumption, and a simple process we have prepared highcrystallinity singlephase zeolite A with CEC 2684 (mmol/100 g) and BET 611 Synthesis of SinglePhase Zeolite A by Coal Gasification Fine Slag
Valorization of Metallurgical Slag for the Treatment of Water
2018年2月5日 Valorization of metallurgical slag as a material for the treatment of polluted water resources has a threefold environmental impact and enhances the sustainability of both the metallurgical industry and watertreatment processes Firstly, the amount of waste slag to be disposed of is reduced; secondly, expensive chemical reagents required for water treatment 2024年2月17日 Coal gasification fine slag (FS) is a typical solid waste generated in coal gasification Its current disposal methods of stockpiling and landfilling have caused serious soil and ecological hazards Separation recovery and the highvalue utilization of residual carbon (RC) in FS are the keys to realizing the winwin situation of the coal chemical industry in terms of Structural properties of residual carbon in coal gasification fine slag