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
The temperature before desulfurization is not enough
Full Length ArticleCuZn interaction regulating via heat
2024年3月15日 At 250 °C, the temperature is not enough for the transforming of sorbent precursor into CuZn solid solution, so that the breakthrough adsorption capacity for thiophene is only 124 mg/g Whereas, when the temperature is higher than 350 °C, the CuZn solid 2023年5月10日 In order to advance desulfurization technology, a new method for excellent oxidative desulfurization of fuel at room temperature will be of paramount importance As a Studying the mechanism and kinetics of fuel desulfurization 2024年2月12日 In the current research landscape, it has been observed that the optimal catalytic temperature for the oxidation removal of NO through H 2 O 2 is considerably high, Experimental study on integrated desulfurization and2022年7月11日 Due to the most recent environmental requirements, wide desulfurization has become an increasingly important way to obtain ultraclean fuels for transportation of less than 15 ppmw of sulfur,(PDF) Desulfurization techniques process and
Desulphurisation an overview ScienceDirect Topics
A higher reaction temperature increases the rate of desulfurization at constant feedstock rate, and the startofrun temperature is set by the design desulfurization level, space velocity, and 2022年10月10日 Optimized desulfurization was achieved when the temperature was 600 °C for 1 h with a coal to iron ratio of 5:2 The desulfurization rate reached 8009% The pyrite was Desulfurization mechanism of highsulfur coal by heating In comparison with other desulfurization techniques, the reaction temperature of thermaldriven ODS prevalently stays in the range of 35 to 90 °C, 38 which is much lower than those in the conventional HDS (300–360 °C) 39–41 and ADS A current overview of the oxidative 2012年3月1日 The desulfurization methods including variations thereon that are discussed include hydrodesulfurization, extractive desulfurization, oxidative desulfurization, biodesulfurization and desulfurization through alkylation, Desulfurization of heavy oil Applied
Thermophilic biodesulfurization and its application in oil desulfurization
2018年9月10日 Thermophilic enzymes can still maintain a high desulfurization activity at temperatures up to 50 °C, and some thermophilic desulfurization bacteria enzymes even can 2024年1月18日 research is not directly relevant to the current research on sulfur removal from hot metal desulfurization slag for recycling of the slag as substitutes for scrap, iron ore and fluxes Matsui et al at JFE investigated sulfur removal from hot metal desulfurization slag in the temperature range of 1373 to 1673 K (1100 C to 1400 C) using mixing gasTreatment of Hot Metal Desulfurization Slag With CO2 2023年9月6日 of the mediumtemperature desulfurization process Kinetics are an important consideration in the design of the desulfurization unit of a power plant and henceforth will be the subject of the presentKinetic Evaluation of Lime for MediumTemperature 2024年6月9日 Desulfurization: Removing the Impurities from Oil Refineries 1 Introduction to Desulfurization Desulfurization is a crucial process in the refining of crude oil, and it is essential to remove impurities such as sulfur from the oil to produce highquality fuels that meet regulatory standardsThe process of desulfurization has been developed over the years as a result of Desulfurization: Removing the Impurities from Oil Refineries
Treatment of Hot Metal Desulfurization Slag With CO
2023年11月21日 From Figure 1, one can also see that in the temperature range 873 K (600 °C) to 1473 K (1200 °C), O 2 could oxidize not only CaS, MgS and FeS, but also iron and iron oxides By using pure oxygen as an oxidation reagent, under standard conditions, treated hot metal desulfurization slag might no longer be separated by regular magnetic separation since iron 2017年6月19日 The results revealed a continuous increase in the true density with the uninterrupted release of sulfur during thermal desulfurization, and a maximum true density of 23 g/cm3 was obtained at a (PDF) Variations in the True Density and Sulfur Removal 2021年3月23日 Desulfurization phenomenon of Nibase superalloy using a solid CaO was identified by adjusting the temperature of melt Nibase superalloy and NiS powder were heated together at 1400 °C, 1500 °C, and 1600 °C Dense and porous CaO rods were inserted into the melts individually After the rods were pulled out, CaO, CaS, and calcium aluminates were Temperature Dependence of CaO Desulfurization Mechanism 2019年7月10日 the reaction does not go through formation of CaO, instead it goes through CaCO3 [4,32] However, the necessity of reactive CaO in case of medium temperature oxyfuel desulfurization is yet to be evaluated Wang et al have previously studied mediumtemperature desulfurization of lime inKinetic Evaluation of Lime for MediumTemperature
Lowtemperature Roasting Desulfurization of Highsulfur
2024年6月11日 Roasting is an effective and rapid method for achieving the desulfurization of highsulfur bauxite to meet the requirements of digestion in the Bayer process Most current research focuses on the roasting desulfurization of highsulfur bauxite in the hightemperature region of 600–800 ℃ In this work, the thermodynamic and kinetic characteristics of 2013年1月23日 When IL ([BPy]HSO 4) is used as PTC, and the condition are: temperature is 60 °C, time is 60 min, H 2 O 2 /sulfur molar ratio (O/S) is 4, the desulfurization rate reaches the maximum (933%), and the desulfurization of the real gasoline is also investigated, 877% of sulfur contents are removed under optima reaction conditionsRecent Advances in the Science and Technology of Desulfurization 2024年10月1日 SO 2, a key pollutant in haze and acid rain, primarily stems from fossil fuel combustionAs a result, addressing and reducing SO 2 emissions has emerged as a pressing concern, underscoring the importance of researching energyefficient desulfurization processes and technologies In light of China's increasingly stringent regulations on industrial emissions, Experimental study on the preparation of desulfurizer for low 2018年8月30日 The TG study showed that the mixed salt in the desulfurization wastewater was transformed into the crystalline form of ammonium thiocyanate (in the temperature range 9587–12738 °C), followed (PDF) Study on the pyrolysis treatment of HPF
High temperature desulfurization over nanoscale high
2008年4月7日 It should be noted that selective oxidation may not suitable for high temperature applications such as coal or residual oil gasification, and fuel cell applications, which operate in the temperature range of 4001,200oC, due to the large temperature differences in the process Several high temperature desulfurization techniques are,2023年4月6日 Combustible gas (eg, gasification syngas) cleaning at high temperatures can obtain further gains in energy efficiency for power generation and importantly leads to a simplified process and lower (PDF) HighTemperature Syngas Desulfurization 2022年1月15日 A Model TM3030Plus Tabletop Microscope was used to observe changes in the microstructure of petroleum coke before and after desulfurization, and its details are as follows: Part No 55E0068, Serial No –02, Date 2016, Voltage 100–240 V 50/60 Hz, Power 500 VA 1 phase, made in Japan 55E1918 which was enough to break the chemical Vacuumassisted and alkali roasting for desulfurization of petroleum 2024年1月1日 The process includes deoxidation, desulfurization, removal of inclusions, alloying, and finetuning components, as well as heating and temperature uniformity Secondary refining has become the online process of steelmaking, which is the necessary operation to improve the quality of molten steel and the flexible manufacturing link connecting Steelmaking SpringerLink
Assessment of Reaction Parameters in the Oxidative
2023年6月16日 The BDS is an alternative process to desulfurize S compounds from petroleum fractions using microorganisms without altering the organic structure of molecules2011年1月1日 The focus of this chapter will be on the desulfurization of natural gas and petroleum derivatives prior to the reformer and/or the removal of H 2 S from syngas after the reformer for the development of compact fuel processors Desulfurization of syngas from solid fuel gasification is included in the scope due to significant current interest although solid fuels will Desulfurization for Fuel Cells ScienceDirectDesulfurization is a technology used to separate SO 2 from its emitting sources such as exhaust flue gases of fossilfuel power plants, oil refineries, etc The crucial requirement to decrease sulfur loading in fuels to nearly zero content is imposed by mandatory environmental and health protocols as well as the accurate tolerance needed for their use in fuel applicationsDesulfurization an overview ScienceDirect Topics2010年7月14日 At room temperature, a complete removal of THT from natural gas was observed over the time (2 hr) the experiment conducted THT concentration in the reactor effluent slightly increased with an increase in temperature before further decreased to zero at elevated temperatures At higher temperatures, dehydrogenation of THT to thiophene takes placeNatural Gas Odorants Desulfurization NTNU
Regeneration of Fe2O3based hightemperature coal gas desulfurization
2010年7月23日 Regeneration of a hightemperature coal gas desulfurization sorbent is a key technology in its industrial applications A Fe 2 O 3based hightemperature coal gas desulfurizer was prepared using red mud from steel factoryThe influences of regeneration temperature, space velocity and regeneration gas concentration in SO 2 atmosphere on regeneration 2022年1月15日 Desulfurization is essentially not affected by temperature and other gases [167] Close to 100%: Ionic liquid desulfurization: Under room temperature, multiple recovery, strong desulfurization: Some ILs are toxic: Rotating packed bed at high gravity level of 477, 30315 K, liquid flow rate of 9 L/h, gas flow rate of 200 L/h [207] 988%Summary of research progress on industrial flue gas desulfurization 2018年5月21日 Generally, sulfur elimination from nickel matte was incomplete in the onestep oxidation roasting process In this work, Xray diffraction, scanning electron microscopy/energydispersive Xray spectroscopy, and chemical analysis of the roasted products were carried out to explain this phenomenon The results indicated that the melting of heazlewoodite was the Improving the Desulfurization Degree of HighGrade Nickel Matte2022年8月25日 The process operates at a high temperature ranging between 300 to above 400 °C, and pressure above 50 bar to achieve oil desulfurization [51] HDS is followed by the high consumption of hydrogen gas in addition to the requirements of catalysts to produce sulfurfree compounds [52] Recent advances in catalytic oxidative desulfurization of fuel
Recovery of Lead from Spent Lead Paste by Predesulfurization
2020年4月29日 The desulfurization rate at temperature range from 25°C to 90°C under normal pressure was first investigated Under normal pressure, the temperature did not show any obvious effect on the desulfurization rate Conversely, the molten salt was not enough to melt the excessive lead oxide in the Pbresidue when the B 2 O 3 /Pbresidue mass 2012年3月1日 Strategies for heavy oil desulfurization were evaluated by reviewing desulfurization literature and critically assessing the viability of the various methods for heavy oil The desulfurization methods including variations thereon that are discussed include hydrodesulfurization, extractive desulfurization, oxidative desulfurization, biodesulfurization Desulfurization of heavy oil Applied Petrochemical 2020年5月16日 Numerous mitigation techniques have been incorporated to capture or remove SO2 with flue gas desulfurization (FGD) being the most common method Regenerative FGD method is advantageous over other methods due to high desulfurization efficiency, sorbent regenerability, and reduction in waste handling The capital costs of regenerative methods are Sulfur dioxide removal: An overview of regenerative flue gas The theoretical calculation results show that when the desulfurization temperature reaches 1573 K and the bubble radius of the magnesium vapor is refined to 0175 mm, the residence time of Effect of temperature on desulfurization rate
Desulphurisation an overview ScienceDirect Topics
A higher reaction temperature increases the rate of desulfurization at constant feedstock rate, and the startofrun temperature is set by the design desulfurization level, space velocity, and hydrogen partial pressure The capability to increase temperature as the catalyst deactivates is built into the most process or unit designs2022年10月18日 The results showed that with the highperformance calcium desulfurizer, conventional NaHCO3 desulfurizer, and ultrafine NaHCO3 desulfurizer, the operating time with 100% desulfurization efficiency is 25,200, 21,600, and 6000 s, when the flue temperature of 37315–57315 K, the “breakthrough” temperature is 53315, 47315, and 37315 K Study on the desulfurization performance of calciumbased 2023年1月19日 It is because the diffusion coefficient is big enough under the set conditions There is a difference in the spatial distribution of substances such as S, but it can be treated as almost uniform The effect of temperature on the desulfurization rate is simulated in figure 10 The sulfur content in molten iron decreases with desulfurizing Numerical simulation of the dolomite insitu desulfurization 2024年1月18日 research is not directly relevant to the current research on sulfur removal from hot metal desulfurization slag for recycling of the slag as substitutes for scrap, iron ore and fluxes Matsui et al at JFE investigated sulfur removal from hot metal desulfurization slag in the temperature range of 1373 to 1673 K (1100 C to 1400 C) using mixing gasTreatment of Hot Metal Desulfurization Slag With CO2
Kinetic Evaluation of Lime for MediumTemperature
2023年9月6日 of the mediumtemperature desulfurization process Kinetics are an important consideration in the design of the desulfurization unit of a power plant and henceforth will be the subject of the present2024年6月9日 Desulfurization: Removing the Impurities from Oil Refineries 1 Introduction to Desulfurization Desulfurization is a crucial process in the refining of crude oil, and it is essential to remove impurities such as sulfur from the oil to produce highquality fuels that meet regulatory standardsThe process of desulfurization has been developed over the years as a result of Desulfurization: Removing the Impurities from Oil Refineries2023年11月21日 From Figure 1, one can also see that in the temperature range 873 K (600 °C) to 1473 K (1200 °C), O 2 could oxidize not only CaS, MgS and FeS, but also iron and iron oxides By using pure oxygen as an oxidation reagent, under standard conditions, treated hot metal desulfurization slag might no longer be separated by regular magnetic separation since iron Treatment of Hot Metal Desulfurization Slag With CO2017年6月19日 The results revealed a continuous increase in the true density with the uninterrupted release of sulfur during thermal desulfurization, and a maximum true density of 23 g/cm3 was obtained at a (PDF) Variations in the True Density and Sulfur Removal
Temperature Dependence of CaO Desulfurization Mechanism
2021年3月23日 Desulfurization phenomenon of Nibase superalloy using a solid CaO was identified by adjusting the temperature of melt Nibase superalloy and NiS powder were heated together at 1400 °C, 1500 °C, and 1600 °C Dense and porous CaO rods were inserted into the melts individually After the rods were pulled out, CaO, CaS, and calcium aluminates were 2019年7月10日 the reaction does not go through formation of CaO, instead it goes through CaCO3 [4,32] However, the necessity of reactive CaO in case of medium temperature oxyfuel desulfurization is yet to be evaluated Wang et al have previously studied mediumtemperature desulfurization of lime inKinetic Evaluation of Lime for MediumTemperature 2024年6月11日 Roasting is an effective and rapid method for achieving the desulfurization of highsulfur bauxite to meet the requirements of digestion in the Bayer process Most current research focuses on the roasting desulfurization of highsulfur bauxite in the hightemperature region of 600–800 ℃ In this work, the thermodynamic and kinetic characteristics of Lowtemperature Roasting Desulfurization of Highsulfur 2013年1月23日 When IL ([BPy]HSO 4) is used as PTC, and the condition are: temperature is 60 °C, time is 60 min, H 2 O 2 /sulfur molar ratio (O/S) is 4, the desulfurization rate reaches the maximum (933%), and the desulfurization of the real gasoline is also investigated, 877% of sulfur contents are removed under optima reaction conditionsRecent Advances in the Science and Technology of Desulfurization
Experimental study on the preparation of desulfurizer for low
2024年10月1日 SO 2, a key pollutant in haze and acid rain, primarily stems from fossil fuel combustionAs a result, addressing and reducing SO 2 emissions has emerged as a pressing concern, underscoring the importance of researching energyefficient desulfurization processes and technologies In light of China's increasingly stringent regulations on industrial emissions,