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
Anshan Iron and Steel sintering flue gas desulfurization ash
A novel and clean utilization of flue gas desulfurization ash
2024年10月15日 This study’s comprehensive analysis of synthesizing calcium ferrate from Flue Gas desulfurization ash and converter sludge introduces a novel waste utilization method, 2020年11月24日 Based on the analysis of the main principle of deep desulfurization of sintering flue gas, a deep desulfurization system of sintering (PDF) Deep desulfurization of sintering flue gas in iron Industrial flue gas desulfurization can effectively reduce sulfur dioxide emissions to atmosphere, but emits large amounts of desulfurization byproducts Calciumbased desulfurization by Resource utilization of flue gas calciumbased desulfurization ash: 2017年11月1日 To effectively solve the problem of reutilizing semidry sintering flue gas desulfurized ash (SSFGDA) from steel plants, a new technology is proposed in this paper in Utilization of semidry sintering flue gas desulfurized ash for SO2
Lowtemperature oxidation behavior and mechanism of semidry
The lowtemperature wet oxidation behavior of semidry desulfurization ash from iron ore sintering flue gas in ammonium citrate solution was investigated for efficiently utilizing the lowquality Abstract The lowtemperature wet oxidation behavior of semidry desulfurization ash from iron ore sintering flue gas in ammonium citrate solution was investigated for efficiently utilizing the low Lowtemperature oxidation behavior and mechanism of semidry iron and steel industry has achieved tremendous results in flue gas desulfurization, but a huge gap in denitrogenate (deNOx) still remains In 2019, the Ministry of Ecology andZHANG Bolin, HONG Hua, WANG Tianqiu, ZHANG Xinyuan, WU Realization of low temperature and high efficiency oxidation of CaSO 3 is the key to solve the issue of ecological hazards caused by semidry sintering flue gas desulfurization ash The Subcritical hydrothermal oxidation of semidry ash from iron ore
Subcritical hydrothermal oxidation of semidry ash from iron ore
2023年4月1日 Realization of low temperature and high efficiency oxidation of CaSO 3 is the key to solve the issue of ecological hazards caused by semidry sintering flue gas desulfurization ash The subcritical hydrothermal technology was employed for the oxidation of CaSO 3, achieving 8983% of CaSO 3 at 180 °C, 2 MPa for 120 min with a solidtoliquid ratio of 1:20Subcritical hydrothermal heterogeneous oxidation of semidry desulfurization ash from iron ore sintering flue gas Rufei WEI1, Longzhi CHEN3, Hongming LONG1,2 , Yifan WANG1, Jiaxin LI1, Yafei LI1, Ming XUAN2 1 School of Metallurgical Engineering, Anhui University of Technology, Ma anshan, Anhui , China 2Subcritical hydrothermal heterogeneous oxidation of semidry 2024年10月15日 Over half of the SO 2 emissions in the iron and steel industry stem from the sintering process Consequently, desulfurizing gases from the sintering process is central to emission control efforts Presently, flue gas desulfurization technologies are categorized into wet, semidry, and dry methodsA novel and clean utilization of flue gas desulfurization ash 2024年11月1日 Wei et al [17], [18] explored the use of subcritical hydrothermal oxidation to oxidize semidry desulfurization ash derived from iron ore sintering flue gas Under the conditions of an initial pressure of 4 MPa, a reaction temperature of 240 °C, a solid–liquid mass ratio of 1:20, and a reaction time of 90 min, the oxidation rate of CaSO 3 reached 9226 %Carbothermal reduction of flue gas desulfurization ash through
Advances on resource utilization of semidry desulfurization ash
2023年7月29日 The semidry flue gas desulfurization ash (SFGDA) is an industrial waste generated by the semidry desulfurization process, and its resources have been continuously attracted attention Through the method of heat decomposition, the SFGDA decomposed into CaO and SO2 has emerged as a prominent research topic This paper summarizes various of DOI: 101021/acsenergyfuels9b02116 Corpus ID: ; Study on Thermal Decomposition Process of Semidry Flue Gas Desulfurization Ash @article{Yang2019StudyOT, title={Study on Thermal Decomposition Process of Semidry Flue Gas Desulfurization Ash}, author={Yue Yang and Yongtao Fan and Hongling Li and Yu Qi and Wei Han and Jianming Dan and Jinyu Study on Thermal Decomposition Process of Semidry Flue Gas 2022年5月1日 Millions of tons of steelmaking solid wastes are produced every year worldwide, such as steel slag (SS) and sintering flue gas desulphurisation ash (DA)The effects of four typical activators on the early hydration of 2016年9月3日 Many enterprises in China have selected the ammonia method for desulfurization of sintering flue gases like the 2 × 230 m 2 sintering machine in Weifang Iron Steel Co, Ltd, 2 × 180 m 2 sintering machine of Shandong Rizhao Steel Holding Group Co, Ltd, 150 m 2 sintering machines of Hangzhou Iron Steel Group Company and Xingtai Iron Steel Corp, Ltd, 130 Pollutants Emission and Control for Sintering Flue Gas
A novel and clean utilization of flue gas desulfurization ash
2024年10月15日 Subcritical hydrothermal oxidation of semidry ash from iron ore sintering flue gas desulfurization: Experimental and kinetic studies Waste Manag, 160 (2023) The chemical and oxidation characteristics of semidry flue gas desulfurization ash from a steel factory Waste Manag Res, 28 (2010), pp 865871, 101177/x2021年5月1日 Request PDF Environmental and economic impact assessment of three sintering flue gas treatment technologies in the iron and steel industry Increasingly stringent pollutant emission standards Environmental and economic impact assessment of three sintering flue 2016年6月5日 The semidry desulfurization ash obtained from sintering flue gas contains a large amount of CaSO3, which has an important stabilizing influence on desulfurization ash, and thereby restricts its Oxidation modification of semidry desulfurization ash from sintering 2009年9月1日 Some samples of semidry flue gas desulfurization (FGD) ash were taken from sinter gas of a steel factory Scanning electron microscope (SEM) and Xray diffraction (XRD) analyses were employed to The chemical and oxidation characteristics of semidry flue gas
Oxidation modification of semidry desulfurization ash from sintering
2015年1月21日 The semidry desulfurization ash obtained from sintering flue gas contains a large amount of CaSO3, which has an important stabilizing influence on desulfurization ash, and thereby restricts its disposal and comprehensive utilization In order to solve this problem, lowtemperature static oxidation and hightemperature dynamic roasting were adopted for studying 2021年3月17日 The lowtemperature wet oxidation behavior of semidry desulfurization ash from iron ore sintering flue gas in ammonium citrate solution was investigated for efficiently utilizing the lowquality Lowtemperature oxidation behavior and mechanism of semidry 2023年2月22日 Semantic Scholar extracted view of "Subcritical hydrothermal oxidation of semidry ash from iron ore sintering flue gas desulfurization: Experimental and kinetic The property, structure, and phase evolution of a binary cementitious material derived from sintering flue gas desulphurization ash and steel slag Rui Sun Dongmin WangSubcritical hydrothermal oxidation of semidry ash from iron ore It can be seen from Figure 1 that in the process of deep desulfurization of sintering flue gas, sodium hydroxide complex is first used to adsorb NO, O 2, and SO 2, and the adsorbed substance has the properties of H 2 O 2 and strong oxidant Then, NO 3 and SO 2 are converted to NO and SO 3 through oxidation treatment Finally, nitrite, nitrate, and sulfate ions can be Deep desulfurization of sintering flue gas in iron and steel
Experimental Study on SemiDry Flue Gas Desulfurization Ash
2024年1月26日 Ying Tian, “Discussions on Desulphurization Process of Sintering Flue Gas”,Science Technology of Baotou Steel(Group)Corporation, 39 (3)(2013) Google Scholar Lijun Lu,Jingfang Tang,Lei Zhang, etc, “Application of NID Technology in Desulphurization of Sintering Fume by WISCO”, Angang Technology, 373(1)(2012), 47–492023年2月1日 Calciumbased desulfurization ash (CDA) is mainly produced in dry and semidry flue gas desulfurization processes The property of CDA is extremely unstable because its main component, calcium Resource utilization of calciumbased desulfurization ash in flue gas 2024年6月1日 Additionally, each ton of pig iron production results in the generation of 80–100 kg of sintering flue gas desulphurization ash (DA) and 07–12 tons of blast furnace slag [[8], [9], [10]] Data from 2020 indicates an estimated 212 million tons of steel slag and 10 million tons of sintering flue gas desulphurization ash generated in China [11]The property, structure, and phase evolution of a binary 2023年7月29日 Postcombustion flue gas desulfurization and denitrification technologies are essential in achieving the full compliance of fine particulate matter (PM25, aerodynamic diameter less than 25 μm Advances on resource utilization of semidry desulfurization ash
(PDF) Deep desulfurization of sintering flue gas in
2020年11月24日 Brief process flow of sintering flue gas deep desulfurization system in iron and steel plant Effect of pH value of absorption solution on desulfurization and denitrification of sintering flue gas2023年4月24日 Desulfurization ash (DA) is a industrial byproduct produced by semidry flue gas desulfurization technology At present, the annual discharge of DA in China is more than 15 million tons [1, 2], most of DA is disposed of through landfills, which not only pollutes the environment and causes waste of resources, but also greatly limits the application of the semi Largescale utilization of desulfurization ash and fly ash for 2019年11月1日 Considering that the iron and steel industry is one of the largest SO 2 emitters in China [3,4], flue gas desulfurization (FGD) methods [5], such as, the wet method [6,7], the semidry method [8 Utilization of lowquality desulfurized ash from semidry flue gas Spectroscopic Analysis of Activated Carbon Mixed with Steel Slag Composite Material in Sintering Flue Gas of Desulfurization and School of Civil Engineering and Architecture, Anhui University of Technology, Ma’anshan , China 2 Key Laboratory of Metallurgical Emission Reduction Resources Recycling (Anhui University of Technology Spectroscopic Analysis of Activated Carbon Mixed with Steel Slag
Resource utilization of semidry flue gas desulfurization ash by
2024年4月1日 Semidry flue gas desulfurization ash (SFGDA) is an abandoned Ca and S resource that is currently stacked without appropriate disposal methods A technology with industrialization potential, SFGDA, and iron ore thermal processing is an effective approach to obtaining calcium ferrite and industrial sulfuric acid This study investigated the 2021年3月5日 At present, the continuous accumulation of the flue gas desulfurization (FGD) gypsum in steel plants leads to the serious environmental issues and resource waste To achieve green and sustainable development for the steel industry, it is significant to improve the usage of byproduct gypsum Employing the sintering FGD gypsum, ferric oxide, and graphite carbon Preparation of calcium ferrite by flue gas desulfurization gypsum2023年11月10日 Flue gas desulfurization ash (FGDA) is a byproduct of flue gas desulfurization after coal combustion, which is mostly discarded directly as solid waste due to its complex mineral composition and unstable characteristics (Ma et al, 2022; Wang et al, 2023)Currently, FGDA cannot be used effectively on a large scale and instead can only be stored, causing land Recycling flue gas desulfurization ash in enhancing the 2010年12月1日 Various approaches to flue gas desulfurization by lowgrade manganese and high efficiency desulfurization in sintering enterprises were investigated, and the predominance areas of the Mn/FeSO Research and application of baosteel sintering flue gas
Utilization of semidry sintering flue gas desulfurized ash for SO2
2017年11月1日 The iron and steel industry is one of the largest SO 2 emitters and energy consumers in China The emission of SO 2 during the sintering process accounts for 50%–80% of all iron and steel production [1]With the rapid development of industry, environmental pollution is increasingly caused by SO 2Therefore, to control the emission of SO 2 in sintering flue gas 2017年11月1日 Semantic Scholar extracted view of "Utilization of semidry sintering flue gas desulfurized ash for SO2 generation during sulfuric acid production using boiling furnace" by Journal of Iron and Steel Research International 2023; Calciumbased In order to enhance wet flue gas desulfurization efficiency and reduce Utilization of semidry sintering flue gas desulfurized ash for SO2 flue gas desulfurization Taking the process equipment of desulfurization system as the carrier, the process flow of desulfurization and dust removal system is designed Key words: iron, steel , desulfurization, sintering flue gas, process selection ISSN 05435846 METABK 62(1) 2224 (2023) UDC – UDK 6691:66918:6697500416:6607:6602082 STUDY ON SINTERING FLUE GAS DESULFURIZATION PROCESS 2017年11月19日 Properties of Semidry Flue Gas Desulfurization Ash and Used for Phosphorus Removal Y P Yu 1, Y Fang 1, S Y Chai 1 and Z Z Zhuang 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 359, International Conference on Computer Information and Automation Engineering 17–19 Properties of Semidry Flue Gas Desulfurization Ash and Used
Effects of Circulated Flue Gas Components on Iron Ore Sintering
imizing the sulfur content in the raw materials,7,8) sintering flue gas desulfurization (SFGD),9,10) flue gas circulation sintering (FGCS), and so on11) As for the SFGD technologies, it is difficult to capture SO2 due to low content of sintering flue gas, which leads to extremely high capital and operational cost in practice2022年2月1日 As a major precursor to ambient particulate matter (PM 25), sulfur dioxide (SO 2) emissions usually cause health and environmental problems, and have received increasing attention worldwide [1], [2]Considering that the iron and steel industry is one of the largest SO 2 emitters in China [3], [4], flue gas desulfurization (FGD) methods [5], such as, the wet method A novel plantinternal route of recycling sulfur from the flue gas 2022年1月1日 Iron ore sintering is the main SO2 emission process in iron and steel industry The flue gas of iron ore sintering has been cleaned by desulfurization equipment, which causes high capital and Subcritical Hydrothermal Oxidation of SemiDry Ash from Iron Realization of low temperature and high efficiency oxidation of CaSO3 is the key to solve the issue of ecological hazards caused by semidry sintering flue gas desulfurization ash The subcritical hydrothermal technology was employed for the oxidation of CaSO3, achieving 8983% of CaSO3 at 180 °C, 2 MPa for 120 min with a solidtoliquid ratio of 1:20Subcritical hydrothermal oxidation of semidry ash from iron ore
Calcium sulfate whisker onestep preparation using semidry flue gas
2021年3月25日 Calcium sulfate whiskers were prepared under hydrothermal conditions by a onestep method using semidry flue gas desulfurization ash with iron ore sintering as the raw material The effects of temperature, time, speed, and other factors on the calcium sulfate whiskers morphology and growth rule were systematically studied in a highpressure 2021年8月15日 Increasingly stringent pollutant emission standards pose a new challenge to the control of air pollutants in China's iron and steel industry (ISI) This study quantified and compared the environmental and economic effects of three typical sintering flue gas ultralow emission treatment technologies in China's ISI, namely, semidry flue gas desulfurization + semidry flue Environmental and economic impact assessment of three sintering flue (DOI: 101007/s42243022009042) This article is published in Journal of Iron and Steel Research International The article was published on 11 Feb 2023 The article focuses on the topics: Fluegas desulfurization Flue gasResource utilization of flue gas calciumbased desulfurization ash2024年11月1日 Wei et al [17], [18] explored the use of subcritical hydrothermal oxidation to oxidize semidry desulfurization ash derived from iron ore sintering flue gas Under the conditions of an initial pressure of 4 MPa, a reaction temperature of 240 °C, a solid–liquid mass ratio of 1:20, and a reaction time of 90 min, the oxidation rate of CaSO 3 reached 9226 %Carbothermal reduction of flue gas desulfurization ash through