— Emission characteristics of volatile organic compounds from coal coal gangue and biomass fired power plants in China Author links open overlay panel Yulong Yan a b Chao Yang c Lin Peng a b Rumei Li b Huiling Bai b Study on Current and Future Anthropogenic Emissions of Volatile Organic Compounds China Tsinghua
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— In this study we produced high efficiency coal gangue based silicon fertilizer by calcining a mixture of coal gangue calcium carbonate CaCO 3 and corn stalk powder at high temperature high temperature activation technology ; the effect of temperature and mixing ratio on the available Si content of activated coal gangue was
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Owing to the abundant silicon content in coal gangue its conversion into fertilizer can help address large scale storage Nonetheless the rapid release of silicon in coal gangue poses challenges for plants to fully utilize it A slow release fertilizer prepared by ferric/phosphorus composite coating on coal gangue C SP was developed in the study The findings
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Owing to the abundant silicon content in coal gangue its conversion into fertilizer can help address large scale storage Nonetheless the rapid release of silicon in coal gangue poses challenges for plants to fully utilize it A slow release fertilizer prepared by ferric/phosphorus composite coating on coal gangue C SP was developed in the
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— Activation of P K and Si by microorganism as agriculture fertilizer is approach to the reclamation of waste coal gangue • A Stenotrophomonas maltophilia YZ1 strain was found to have obviously solubilization function for available P K and P is mainly loaded in monetite CaHPO 4 while K occurs in the muscovite and Si mainly
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— To investigate the optimal ratio of all components of the coal gangue planting substrate we designed and implemented four factor orthogonal experiments each at three levels Table 2 These orthogonal experiments produced nine different component ratios as shown in Table 3 Yin et al 2016; Li et al 2017 ; sandy loam soil was used as
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the coal gangue landfill reclamation area of Loess Hills Bian hua Zhang ID 1 2 3 Jian ping Hong ID 1 Qiang Zhang3 Dong sheng Jin3 Chun hua Gao3 and the organic fertilizer was applied at a rate of 7500 kg/ha organic matter content % nitrogen content % The combined organic and inorganic fertilizer treatment involved the
Yêu cầu trực tuyến →— The aim of this study was to prepare a Si K based amendment by coal gangue and plant ash and clarify its feasibility for improving the growth of maize plants in saline Si K based amendment was prepared by mixing the coal gangue and plant ash and calcining at 500 900 °C for h A pot experiment was carried out to
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1 — Soil porosity and moisture are critical indicators of soil quality In coal grain intercropping areas centuries of coal industry activities have resulted in coal particle contamination which has affected soil properties; however its impact on soil porosity and moisture remains underexplored This study compares coal contaminated soils CCS
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— It is likely released and absorbed by plants during the germination process which played the role of slow release fertilizer It can also be Conclusions Coal gangue modification can promote the adsorption of phosphate on biochar and high pyrolysis temperature can improve the adsorption capacity of coal gangue modified biochar
— This paper provides an overview on the current status of power generation in China using coal gangue The government regulation towards the use of coal gangue for power generation is introduced
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— Abstract In this study coal gangue was treated with high efficiency phosphate solubilizing bacteria to prepare fertilizer A strain named GZU Mic02 with phosphate solubilizing ability was isolated from the weathered coal gangue which was identifiied as Micrococcus with the untreated coal gangue samples the
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— The utilization of coal gangue as agricultural fertilizers is a universally applicable approach with high efficiency and added value the organic matter attained % and labile organic matter was increased by times Moreover the alkaline hydrothermal
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