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
Low import temperature for desulfurization
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Studying the mechanism and kinetics of fuel desulfurization
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 novel desulfurization2024年10月1日 Fixedbed experiments to obtain optimal digestion conditions for lowtemperature FGD The addition of urea facilitates the utilization rate of active components Experimental study on the preparation of desulfurizer for low 2024年2月12日 The study establishes a 350 kW thermal state experimental system, employing lowtemperature hydrogen peroxide (H 2 O 2) catalytic oxidation coupled with wet flue gas Experimental study on integrated desulfurization and Nature2022年6月1日 Lowtemperature desulfurization is developed based on graphitesupported potassium hydride KH/C efficiently desulfurizes recalcitrant alkyl dibenzothiophenes, provides deoxygenation, denitrogenation and catalytic Carbon‐Supported Potassium Hydride for Efficient
Summary of research progress on industrial flue gas
2022年1月15日 JN Zhou et al discovered that the lowoxygen and hightemperature conditions in the sulfuric acid produced by the fluidized bed furnace could decompose calcium sulfite in 2023年2月1日 The advantages of this process are mild reaction conditions (low temperature and pressure), high selectivity, and effective removal of sulfur compounds [213], [214] This A review of advanced methods for ultradeep desulfurization 2024年6月1日 Oxidative desulfurization (ODS) has emerged as a prominent technique for the removal of sulfur compounds from fuels, aiming to comply with stringent environmental Efficient and promising oxidative desulfurization of fuel using 2022年7月22日 Several advances have been made to develop better strategies for achieving ultradeep desulfurization and these include: improving hydroprocessing infrastructure, improving hydroprocessing catalysts, having Perspectives on strategies for improving ultradeep
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A current overview of the oxidative desulfurization of
Among the novel desulfurization techniques, the oxidative desulfurization (ODS) process has been intensively studied and is highlighted as the rising star to effectuate sulfurfree fuels due to its mild reaction conditions and remarkable 2023年8月8日 ILs are green organic solvents that are composed of ions and exist in a liquid state at moderately low/ ambient temperatures The most significant quality of ILs is the Desulfurization of Diesel Using Ionic Liquids: Process Design and 2010年2月1日 However, the sorbent efficiency at breakthrough compared with processes at higher temperatures is still low (300 °C) are desirable In this work, a commercial zinc oxide sorbent with a high initial trapping efficiency has been evaluated for the removal of H 2 S in a fixedbed reactor in the temperature range 60–400 °CLow temperature H2S drydesulfurization with zinc oxide2014年1月1日 For example, Yasyerli et al [46] probed natural clinopltilolite for the capture of 106% H 2 S from carrier gas at different temperatures between 100 and 600 • C, and found that its adsorption Review of H2S sorbents at lowtemperature
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Desulfurization of heavy oil Applied Petrochemical
2012年3月1日 The desulfurization methods including variations thereon that are discussed include hydrodesulfurization, extractive desulfurization, The parameters that affect lowtemperature oxidation of heavy oil and some of the FeOOH has been explored as a promising adsorbent for lowtemperature HS adsorption However, the nature of the active sites toward the desulfurization has remained elusive Here, a series of γFeOOH is prepared with welldefined lathlike and rodlike shapes by adjusting the pH value of the reaction systemIlluminate the active sites of γFeOOH for lowtemperature desulfurization2022年6月1日 a) Desulfurization of 1 using KH/C or K/C at 50 °C165 °C in b) Ar (10 bar) and c) DS of 1 using KH/C in H 2 (10 bar) DS of 1 using KH/C under 10 bar of H 2 during 1 h40 h at d) 100 °C and e Carbon‐Supported Potassium Hydride for Efficient Low‐Temperature 2017年12月15日 The assynthesized samples exhibit high breakthrough sulfur capacity at low temperature Through a systematic study on the relationship between the structure of the FeOOH and their activities, we demonstrate that singly hydroxyl (FeOH, OH) site is responsible for H 2 S adsorption, which acts as the active site for lowtemperature desulfurizationIlluminate the active sites of γFeOOH for lowtemperature
V2CTx MXene: A Promising Catalyst for LowTemperature
2022年11月25日 Aerobic oxidative desulfurization (AODS) promises a sustainable alternative desulfurization process for fuel, yet is still limited by high temperature and low efficiency for oxygen activationIn a study by Carnes and Klabunde[43] the sorption of H2S on microcrystalline metal oxides of Zn, Ca, Mg and Al were compared at low temperatures (25100 ˚C) and higher temperatures (25000 ˚C) and they concluded that at elevated temperature, CaO was the best choice for H2S adsorption and ZnO appeared to be superior at temperatures lower than 100 ˚CReview of H2S Sorbents at LowTemperature Desulfurization of Biogas2010年11月1日 Eight metal oxide sorbents including transition metal doped ZnO/SiO2 sorbents and ZnO/SiO2 were prepared by incipient wetness impregnation for regenerable desulfurization applications at low temperatures (ie room temperature) Among them, copperdoped sorbent (CuZnO/SiO2) demonstrated the highest saturation sulfur capacity of 0213 g sulfur/g ZnO Novel‐doped zinc oxide sorbents for low temperature 2023年7月29日 In current research endeavors, it is a forefront challenge to achieve high efficiency and low temperature desulfurization for SFGDA to produce CaO at 1273–1373 K within 120 min Appropriate particle size enhances the desulfurization efficiency of SFGDA, shorten the reaction time and improved the purity of CaO (1)Advances on resource utilization of semidry desulfurization ash
Carbon‐Supported Potassium Hydride for Efficient
2022年6月1日 The industrial removal of organosulfur impurities from fossil fuels relies on transitionmetalbased catalysts in harsh conditions (ca 400 °C, up to 100 bar H 2), yet desulfurization (DS) of refractory alkyl dibenzothiophenes The hydrogen sulfide absorption capacity of a series of cobaltzinc oxides with nominal Co/Zn atomic ratios of 0/100, 10/90, 20/80, 30/70, 40/60, 50/50, 70/30, 90/10 and 100/0 was determined using a continuous flow absorption apparatus The reaction of the mixed oxides with H 2 S amounted to ca 3 monolayers, and is therefore largely confined to the surface of the oxides Cobaltzinc oxide absorbents for low temperature gas Low temperature H2S drydesulfurization with zinc oxide × Close Log In Log in with Facebook Log in with Google or Hightemperature desulfurization techniques are fundamental for the development of reliable and efficient conversion systems of lowcost fuels and biomass that answer to the nowadays environmental and energy security Low temperature H2S drydesulfurization with zinc oxide2022年8月25日 No H 2 gas requirement, operates under low temperature and pressure, high removal efficiency: Method not effective for application using real fuel oil, poor reusability: Extractive desulfurization: Operates at ambient temperature and pressure, low energy consuming technique, and does not need H 2 gasRecent advances in catalytic oxidative desulfurization of fuel oil
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Regenerable CuOBased Adsorbents for Low Temperature Desulfurization
2015年4月3日 A series of CuObased adsorbents for deep removal of H2S at low temperature was prepared by a coprecipitation method It was found that CuObased adsorbents are able to remove H2S from a CO2 stream to less than 01 ppm at 40 °C Among them, Fe–Cu–Al–O adsorbent exhibited the highest breakthrough capacity of 1139 mg g–1, which is more than 6 Low temperature H2S drydesulfurization with zinc oxide × Close Log In Log in with Facebook Log in with Google or Hightemperature desulfurization techniques are fundamental for the development of reliable and efficient conversion systems of lowcost fuels and biomass that answer to the nowadays environmental and energy security Low temperature H2S drydesulfurization with zinc oxideHightemperature processes for desulfurization of lowBtu gases are receiving increased attention In this study, results of thermodynamic screening of the hightemperature desulfurization potential of 28 solids, primarily metal oxides, are reported By use of the free energy minimization method, equilibrium sulfur removal and solid compound stability were Evaluation of candidate solids for hightemperature desulfurization 2015年1月15日 Request PDF Innovative zinc based mixed oxide sorbent regenerable at low temperature for syngas desulfurization Zinc oxidebased materials are commonly used for the final desulfurization of Innovative zinc based mixed oxide sorbent regenerable at low
Regenerable CuOBased Adsorbents for Low Temperature Desulfurization
2015年4月15日 A series of CuObased adsorbents for deep removal of H2S at low temperature was prepared by coprecipitation method It was found that CuObased adsorbents are able to remove H2S from a CO2 stream 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 2024年7月15日 Herein, the purpose of this study is to synthesize a Cu nanoparticlesdecorated Ndoped biochar for efficient desulfurization of H 2 S at low temperature As schematically illustrated in Fig 1 , the Ndoped biochar is fabricated using hightemperature pyrolysis with potassium citrate as the activators, urea as the nitrogen source, and soybean straw as the CuMOFderived Cu nanoparticles decorated porous Ndoped 2020年1月29日 Petroleum is an essential source of energy for our daily life However, crude oil contains various kinds of sulfurcontaining compounds that will form sulfur oxides upon combustion and cause severe environmental Metal–Organic Frameworks Towards
Low Temperature Desulfurization of H 2 S: High Sorption
2014年11月4日 Request PDF Low Temperature Desulfurization of H 2 S: High Sorption Capacities by Mesoporous Cobalt Oxide via Increased H 2 S Diffusion Mesoporous cobalt oxides (MCoX, X = 150, 250, 350, 450 2022年1月15日 Fast reaction rate, high absorbent utilization rate, high desulfurization efficiency, and low desulfurization cost: Ammonia is volatile, so the consumption of absorbent is relatively large: Desulfurization is essentially not affected by temperature and other gases [167] Close to 100%: Ionic liquid desulfurizationSummary of research progress on industrial flue gas desulfurization 2017年12月15日 DOI: 101016/JAPSUSC201706295 Corpus ID: ; Illuminate the active sites of γFeOOH for lowtemperature desulfurization @article{Shen2017IlluminateTA, title={Illuminate the active sites of $\gamma$FeOOH for lowtemperature desulfurization}, author={Lijuan Shen and Yanning Cao and Zhongjie Du and Wentao Zhao and Linjie Ke and Illuminate the active sites of γFeOOH for lowtemperature Download scientific diagram Desulfurization technologies classified by nature of a key process for sulfur removal from publication: Oxidative desulfurization using graphene and its composites Desulfurization technologies classified by nature of a key
Nonthermal plasmaenhanced lowtemperature catalytic desulfurization
2020年7月10日 Catalytic desulfurization is favored for its ability to desulfurize low concentrations of SO2 by generating sulfur without the need for flue gas conditioning or additives Maintaining reaction efficiency at a low temperature would justify the industrial scale use of this method To that end, in this study, we modified a previously reported highly efficient CuOZrSnO4 catalyst 2021年12月1日 Hightemperature desulfurization techniques are fundamental for the development of reliable and efficient conversion systems of lowcost fuels and biomass that answer to the nowadays environmental Deactivation Model Study of High Temperature H2S WetDesulfurization by Review of H2S Sorbents at LowTemperature Desulfurization of Biogas Free download as PDF File (pdf), Text File (txt) or read online for free In this paper, the recent investigations on using different mediums to remove H2S from Review of H2S Sorbents at LowTemperature 2023年5月1日 Herein, a novel MgFe 2 O 4loaded Ndoped biochar (MgFe 2 O 4 @NBC) was fabricated by onepot pyrolysis of a nitrogen containing precursor of gC 3 N 4, cooked rice waste, and metal salts for efficient lowtemperature desulfurization of H 2 S Different fabrication conditions such as pyrolysis temperature and the nitrogen mixing ratio (ie, the mass ratio of MgFe2O4loaded Ndoped biochar derived from waste cooked
Characteristics and reactivities of Ca(OH)2/silica fume sorbents for
2003年8月1日 Characteristics and reactivities of Ca(OH)2/silica fume sorbents for lowtemperature flue gas desulfurization August 2003; Chemical Engineering Science 58(16):36593668;2022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, such as diesel, gasoline, and jet fuel as a result of the strict requirements for transportation fuelsDesulfurization techniques process and future challenges for 2017年12月15日 The assynthesized samples exhibit high breakthrough sulfur capacity at low temperature Through a systematic study on the relationship between the structure of the FeOOH and their activities, we demonstrate that singly hydroxyl (FeOH, OH) site is responsible for H 2 S adsorption, which acts as the active site for lowtemperature desulfurizationIlluminate the active sites of γFeOOH for lowtemperature 2017年7月1日 FeOOH has been explored as a promising adsorbent for lowtemperature H2S adsorption However, the nature of the active sites toward the desulfurization has remained elusiveIlluminate the Active Sites of γFeOOH for LowTemperature
A current overview of the oxidative desulfurization of fuels
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 approaches (∼350 °C) 42 The energy efficiency of thermaldriven ODS tends to preserve operational cost and minimize the safety 2023年12月15日 1 Introduction A hot blast stove is a crucial piece of equipment used in blast furnace ironmaking, providing blast air heating Typically, a blast furnace is equipped with three to four hot blast stoves, which continuously supply the blast furnace with hightemperature hot air above 1000 °C [1, 2]The flue gas generated from the hot blast stove is a valuable waste heat A novel method of combined desulfurization and heat utilization of low 2023年2月1日 In the process of alkylation desulfurization, the boiling temperature of sulfur compounds is changed to higher temperatures, and these compounds are separated from the oil by distillation [97], [98] Alkylation of thiophene and thiophene derivatives and separation of the resulting product can be done in one step by the catalytic distillation process [94] A review of advanced methods for ultradeep desulfurization 2019年8月6日 Request PDF Fabrication of Cu(I)Functionalized MIL101(Cr) for Adsorptive Desulfurization: LowTemperature Controllable Conversion of Cu(II) via VaporInduced Reduction Because of their Fabrication of Cu(I)Functionalized MIL101(Cr) for Adsorptive