Shandong Jinhe Industrial Group Co., Ltd. (hereinafter referred to as "Jinhe Group") was founded in April 1982. After 38 years of entrepreneurial development, the Company firmly grasps the historical opportunities, complete the three major transitions of talent strategy, product strategy, and capital strategy, and develop into a large-scale technology-based …
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Composite particles of gangue and value minerals are not a serious problem with coarse-grained ores because a high degree of liberation can be achieved by grinding. However, composite particles in fine-grained ores usually require ultrafine grinding to liberate value minerals from gangue minerals, a requirement that is true for …
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10-11 Anhui Jinhe Industrial Co., Ltd. Was Selected as One of Anhui Top 100 Enterprises in Invention Patents again; 09-10 The Company Was Selected as one of "2018 Top 100 High-tech Enterprises in Anhui Province"; 07-11 Commissioning of 30MW Biomass Cogeneration Project of Dingyuan Jinxuan New Energy Co., Ltd. for Grid-connected …
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gangue grinder jinhe 2 . gangue grinder with jinhe australian silver ore processing Grinding Wheel Pinkimsr price of 2 ltrs wet grinder; crushed gangue processing technology;Galena ore mineral processing process Galena ore mineral processing process technology and Galena ore to the beneficiation plant where it is crushed,Coal Gangue …
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Mechanically modification by grinding is an effective activation method to improve alumina recovery from coal gangue. The effect of grinding on coal gangue, however, had not been investigated ...
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In this study, the research aim is to enhance the activity index of activated coal gangue and study its activation mechanism. The activation process of coal gangue was optimized through orthogonal tests, and the Back-Propagation (BP) neural network model was improved using a genetic algorithm. With the effects of grinding duration, …
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For more than a century, flotation has been a widely adopted technique in mineral processing to separate valuable minerals from gangue. It is an intricate process, however, that is influenced by an array of variables including chemistry (such as reagents and pulp conditions), equipment (such as cell design, agitation and air flowrate) and …
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According to the XRD spectra of raw coal gangue and mechanically activated coal gangue: (1) The intensity of the diffraction peaks at 12.46°, 24.99°, 35.11°, and 38.55° associated with the kaolinite …
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DOI: 10.1016/j.seppur.2024.127222 Corpus ID: 268682205; Study on the leaching behavior differences of rare earth elements from coal gangue through calcination-acid leaching @article{Chen2024StudyOT, title={Study on the leaching behavior differences of rare earth elements from coal gangue through calcination-acid leaching}, author={Hangchao Chen …
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Mechanical grinding greatly improved the alumina extraction from coal gangue. • Kaolinite in coal gangue still maintained the Si O Al VI structure without calcination.. An amorphous metakaolinite with Si O Al IV structure was formed with calcination.. Grinding before calcination made the amorphous transformation more …
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Composite cement samples were prepared by mixing clinker, gypsum with burnt coal gangues which was calcined at various temperatures. The mechanical strength and Ca(OH)2 content in the cement paste were tested, and the paste composition and microstructure were analyzed by thermogravimetry-differential thermal analysis (TG …
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Gongyi Songling Mining Machinery Co., Ltd. is located in Henan province in central plains, which adjoins to ancient millennium Shaolin Temple (Kongfu Origin) to the south, and …
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DOI: 10.1016/j.jece.2022.108355 Corpus ID: 251204117; The Effect of Calcination on the Occurrence and Leaching of Rare Earth Elements in Coal Refuse @article{Pan2022TheEO, title={The Effect of Calcination on the Occurrence and Leaching of Rare Earth Elements in Coal Refuse}, author={Jinhe Pan and Tiancheng Nie and Changchun Zhou and F. Yang …
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A two-step method involving microwave-assisted hydrothermal synthesis and solid-phase calcination was employed to prepare the Li 1.6 Mn 1.6 O 4 (LMO) precursor. Material characterization demonstrated the structural stability of LMO even after acid pickling, resulting in the creation of the ion-sieve H 1.6 Mn 1.6 O 4 (HMO) with the most …
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The chemical compositions of the raw coal gangue, after grinding and drying, were determined by XRF analysis. The results were depicted in Table 1.XRF results showed the main elements of coal gangue were silicon, aluminum, sulfur, iron and so on, of which, the content of SiO 2 and Al 2 O 3 were more than 80% of the total mass and the …
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Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. Producing concrete with coal gangue aggregate is one of the green sustainable development requirements. This paper reviews the properties and preparation methods of Chinese gangue aggregate, studies the influence of gangue …
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Coal gangue is a kind of solid waste discharged during coal mining and coal washing. It is a kind of black grey rock with lower carbon content and harder than coal, which is …
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Shandong Jinhe Industrial Group Co., Ltd. (hereinafter referred to as "Jinhe Group") was founded in April 1982. After 42 years of entrepreneurial development, the Company firmly grasps the historical opportunities, complete the three major transitions of talent strategy, product strategy, and capital strategy, and develop into a large-scale technology-based …
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The removal of the gangue from the ore is called ore dressing, or concentration of the ore. It may then be dumped as tailings. Mining companies take into consideration the costs that they will incur for separating the economic fraction from useless gangue, and only then decide if a mining operation will be economically viable.
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Table 1 shows that the main chemical compositions of CG were Al 2 O 3 and SiO 2, and their contents were 34.55% and 32.90%, respectively.The ratio of Al 2 O 3 to SiO 2 in the sample is about 1.05, which belongs to the high alumina-silicon ratio CG according to Chinese national standards classification of gangue (GB/T 29162–2012). …
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The coal gangue was dried, and then 500 g of the coal gangue was ground using a GJ-1000B type grinding machine for 4 min. ②. The ground powder was placed into a grinding tank with a GMB/B ball mill at a 3:1 ratio of materials and steel balls. The lid of the tank was sealed, and the grinding tank was placed on the corresponding rubber …
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At Jainnher Centerless Grinder Machine Company we have been providing precision centerless grinder and tube grinding solutions for over 40 years. Whether you need a …
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Jinhe Group pursues the advanced, scientific and standardized management mode. From the "four settings and one prize" at the beginning of the company to the "five indicators assessment" and the system management, and then to the standardized and programmed management, they never habitually conform to the customs, nor rest on the laurels ...
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During the extraction and processing of coal, a large amount of solid waste, collectively known as gangue, is produced. This gangue has a low carbon content but a high ash content, accounting for approximately 15 to 20% of the total coal yield. Before coal is used, coal and gangue must be effectively separated to reduce the gangue content in …
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The coal gangue and red mud based geopolymer shows a general increase in strength with curing temperature. The geopolymer synthesized by the combination of coal gangue, fly ash and red mud offer better strength at lower curing temperature of 80 °C. In fact, higher temperatures could be detrimental to the strength development of the …
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In mining, gangue is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit. It is thus distinct from overburden, which is the waste rock or materials overlying an ore or mineral body that are displaced during mining without being processed, and from tailings, which is rock already stripped …
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Although the calcination-based activation of coal gangue is important for its valorization in the form of cementitious materials, the related works mainly focus on high-quality coal gangue, neglecting its low-quality counterpart. To bridge this gap, we herein conducted the pilot-scale suspension calcination of low-quality coal gangue; explored …
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@article{Long2023MicrowaveAssistedHS, title={Microwave-Assisted Hydrothermal Synthesis of Lithium Ion-Sieve for Adsorption of Lithium Ion in Coal Gangue Leaching Solution}, author={Xin Long and Cheng Liu and Yan Yang and Bin Dong and Hangchao Chen and Lei Zhang and Jinhe Pan and Changchun Zhou}, journal={Colloids …
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Mineral processing, art of treating crude ores and mineral products in order to separate the valuable minerals from the waste rock, or gangue. It is the first process that most ores undergo after mining in order to provide a more concentrated material for the procedures of extractive metallurgy.
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The corn grinding machine is a versatile flour grinder that can be used for corn, maize, wheat, rice, and other grains in the flour milling process. When clean grains enter the …
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