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
Ammonia desulfurization technology
Efficient Ammonia Desulfurization (EADS)
JET provides EADS services to the petrochemical and energy production industries around the world In the patented ammonia desulfurization absorber, ammonia reacts with SO2 yielding During ammonia desulfurization processes, foaming overflow often occurs in the ammonium sulfate slurry of the desulfurization tower The overflow wastes resources and results in industrial environmental pollution In this study, the Causes and Control Technology of Slurry Overflow in Fluegas desulfurization (FGD) is a set of technologies used to remove sulfur dioxide (SO2) from exhaust flue gases of fossilfuel power plants, and from the emissions of other sulfur oxide Fluegas desulfurization WikipediaOn basis of this, an improved ammoniabased desulfurization technology is tentatively proposed taking into account of the tail gas composition in coal chemical industry, usually 25% H2O, Modeling and simulation of an improved ammoniabased
Improving the Desulfurization Process in an Ammonia Plant using
The potential of this technique is implemented in a nonlinear process models using collected realtime operational data from an ammonia plant After a comprehensive simulation studies, the 2020年9月1日 A mathematical model of gasliquid flow, heat transfer, and mass transfer was developed to simulate the desulfurization process to reveal the characteristics of ammonia A numerical study of the ammonia desulfurization in the spray 2021年6月8日 ABSTRACT: In the flue gas ammonia desulfurization process of the coal chemical industry, ammonium sulfate slurry in the desulfurization tower often foams and over ows, Causes and Control Technology of Slurry Overflow in an Ammonia 2018年10月15日 Desulfurization technology 11 dry process characteristics of the ammonia desulfurization technology of Mingsheng Chemical Engineering Company are: the absorption tower is a parison of flue Gas Desulfurization
Modeling and simulation of an improved ammonia
Abstract An improved ammoniabased desulfurization technology was proposed, in which the produced excess NH 4 HSO 3 was concentrated by using the heat from the Claus tail gas and then SO 2 was recovered by decomposing the Efficient Ammoniabased Desulfurization (EADS) Technology Sulfur recovery Sulfuric acid production Incineration SO 2 Condensation SO 2 SO 2 Ammonia absorption system Fossil fuel H2S, SO 2 COS CS2 • A key performance index for ammonia desulfurization • Directly reflects the utilization of ammonia • Ammonia slip: Free ammonia that An Efficient Ammoniabased SRU Tail Gas Desulfurization Process2022年10月17日 In ammoniabased desulfurization process, SO 2 is commonly absorbed in the pH range from 50 to 60 It can be observed from Figure 3 that the distribution coefficient of SO 2 (aq) is nearly zero and the SO 2 (aq) concentration in solution could be neglected over the pH range of 50–60 According to Henry’s Law, it can be concluded that the mole fraction of SO 2 Frontiers Study on the mass transfer of SO2 in ammoniabased 2023年5月1日 Sulfur dioxide (SO 2) is one of the primary pollutants in flue gas produced by the metallurgical and chemical industries [1]In some metal smelters, ammonia desulfurization to prepare ammonium sulfate ((NH 4) 2 SO 4) is an effective way to realize flue gas desulfurizationThe obtained product (NH 4) 2 SO 4 is a necessary chemical byproduct with Treatment of complex sulfurcontaining solutions in ammonia
Modeling and simulation of an improved ammoniabased desulfurization
An improved ammoniabased desulfurization technology was proposed, in which the produced excess NH 4HSO 3 was concentrated by using the heat from the Claus tail gas and then SO 2 was recovered by decomposing the concentrated NH 4HSO 3 in the Claus furnace Furthermore, the process was modeled2015年8月30日 Nowadays, the ammoniabased wet flue gas desulfurization is gaining more popularity In this study, the ammoniabased wet flue gas desulfurization obtained ammonia resource from urea hydrolysis instead of anhydrous ammonia and aqueous ammonia, which was beneficial for the development of circular economy An electricheating reactor was employed Hydrolysis of Urea for AmmoniaBased Wet Flue Gas Desulfurization Efficient ammonia desulfurization (EADS) is the core service of JET From the reaction between NH 3 and SO 2, it is capable of efficiently removing SO 2 from the exhaust gas and also producing valuable fertilizer, ammonium sulfate Compared to the most widely used limestonegypsum process in boiler flue gas treatment, the EADS is more efficient, consumes less Ammoniabased FGDCurrently, desulfurization technologies can be categorized into three main types: wet flue gas desulfurization (FGD) [11], [12], [13], semidry desulfurization [14] and dry desulfurization [15]Wet flue gas desulfurization is widely employed in largescale desulfurization processes due to its high efficiency and low energy consumption [16]However, it poses a significant environmental Recent advances in process and materials for dry desulfurization
Simultaneous desulfurization and denitrification of flue gas
2022年12月1日 Dry process for SO 2 and NO x removal via gas to particle conversion with ozone and ammonia injection Separ Purif Technol, 281 (2022), Article Jet absorption and desulfurization technology of sulfur waste gas in the acrylonitrile apparatus Chemical Engineering and Processing Process Intensification, 153 (2020) 2019年3月1日 [16] Li C Q and Xiao T 2017 Flue gas treatment technology of ammonia desulfurization Coal Processing and Comprehensive Utilization 5961 Google Scholar [17] Xu X F and Wang H 2013 Contrastive Analysis of the Limestone Method and the Double Alkali Method Applied to Desulphurization and Dust Removal Science Technology and Industry 13 Progress of Desulfurization and Denitration Technology of Flue Desulfurization is one of the important processes for the production of ammonia (NH3) The main purpose of this unit is to reduce the content of sulfur in natural gas These values are obtained applying offline measurements in the laboratory and makes the process barely directly controllable To estimate the sulfur, a development of datadriven based inferential Improving the Desulfurization Process in an Ammonia Plant 2021年4月1日 Neubauer et al [137, 138] developed an onboard regeneration technology for onboard desulfurization and tested using Ag–Al 2 O 3 as an adsorbent to desulfurize a benzothiophene (BT)enriched road diesel (300 ppm of total sulfur) In this technology, a temperaturecontrolled flow rate (TCFR) of air was used to thermally regenerate the adsorbentReview on recent advances in adsorptive desulfurization
Review of Design, Operating, and Financial Considerations in
2015年7月27日 3 Flue Gas Desulfurization Technologies Flue gas desulfurization is an efficient method for the reduction of the sulfur dioxide emissions Citation 2 Many processes are available in the market, such as (a) wet scrubbers, (b) spray dry scrubbers, (c) sorbent injection, (d) regenerable processes, and (e) combined SO 2 /NO X removal processes The different flue 2024年3月20日 Desulfurization wastewater is industrial wastewater with a high salt content, high metal ions, and high hardness produced by flue gas desulfurization of the limestonegypsum method in coalfired power plants This paper summarizes the source of desulfurization wastewater, water quality characteristics, water quality impacts, and other factors, combined Current Status of Zero Liquid Discharge Technology for Desulfurization 2012年8月1日 The main source of atmospheric pollutants is flue gas including soot and SO 2 Since ammonia desulfurization technology can make SO 2 into ammonium sulfate fertilizer, the technology has been Review on ammonia desulfurization technology for flue gasAmmonia plants using natural gas as a feedstock include the following units: Natural Gas Desulfurization The natural gas is delivered as dry gas containing a maximum of 40 ppm by weight of sulfur, which is a poison for the reformer catalyst The desulfurization unit reduces the sulfur content to about 5 ppm byAspen Plus Ammonia Model UMD
About Jiangnan Environmental Technology
FGD (Flue Gas Desulfurization) Sulfur Recovery Unit Tail Gas Treatment; FCC Flue Gas Treatment; Carbon Capture; JET, as the global leader in AmmoniaBased Desulfurization, has: 80% market share in AmmoniaBased Desulfurization; 11 international，more than 140 national patents and patent applications; 150+ projects with more than 300 installed StudyonthemasstransferofSO 2 in ammoniabased desulfurization process Guohua Yang1,DiWu2,3, Yuanbo Gou2, Yiyuan Dong4, Jin Jiang4, Yafen Chen4, Ming Zhang4, Ci Song4, Jiankang Jiang4 and Yong Jia4* 1College of Astronautics, Northwestern Polytechnical University, Xi ’an, China, 2Xian Aerospace Propulsion Institute, Xi’an, China, 3Xi’an Aerospace Yuan StudyonthemasstransferofSO in ammoniabased desulfurization 2011年3月30日 A mathematical model of ammoniabased wet flue gas desulfurization process was developed based on the double film theory The calculated results of the desulfurization system for two 220 th−1 boilers per unit by this model were compared to that of corresponding measured data It was found that the calculated results agree well with the measured data for Modeling of ammoniabased wet flue gas desulfurization in the spray 2020年8月15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) air quality standards by 2030 in China as sulfur dioxide (SO2) and nitrogen oxides (NOX) are the main precursors of PM25 Some studies have addressed the Comprehensive evaluation of flue gas desulfurization and
Diffusion of flue gas desulfurization reveals barriers and Nature
2020年8月27日 Here the authors show that the global diffusion of flue gas desulfurization technology was very fast at times, especially for retrofit, and even after materiality, but strongly depended on regulationAmmonia production has become one of the most important industries in the world Without the crop yield made possible by ammoniabased fertilizers and chemicals, the global population would be at least two to three billion less than Introduction to Ammonia Production AIChE2024年1月1日 Ammonia nitrogen is a significant pollutant in desulfurization wastewater, and its importance has recently been emphasized The escape of ammonia is a common occurrence during the denitrification process [9, 10]Excessive ammonia and ammonium salt are captured in the desulfurization wastewater [11, 12]Ammonium concentration typically ranges from 02 to Ammonia release characteristics during desulfurization DOI: 101016/jseppur2021 Corpus ID: ; Summary of Research Progress on Industrial Flue Gas Desulfurization Technology @article{Li2021SummaryOR, title={Summary of Research Progress on Industrial Flue Gas Desulfurization Technology}, author={Xueke Li and Jinru Han and Yan Liu and Zhihe Dou and Ting’an Zhang}, journal={Separation and Summary of Research Progress on Industrial Flue Gas Desulfurization
Causes and Control Technology of Slurry Overflow in an Ammonia
2021年9月22日 In the flue gas ammonia desulfurization process of the coal chemical industry, ammonium sulfate slurry in the desulfurization tower often foams and overflows, which wastes resources and pollutes the environment The solution to this problem remains largely unknown This paper aims to reveal the caus PDF On Jan 1, 2022, 红波 杨 published Renovation Scheme of Flue Gas Ammonia Desulfurization Process in Sulfur Recovery Unit of Coal Chemical Industry Find, read and cite all the research Renovation Scheme of Flue Gas Ammonia Desulfurization 2024年5月1日 Ammonia flue gas desulfurization (FGD) technology has gained widespread acceptance due to its rapid reaction rate, complete reaction, high desulfurization efficiency, absence of secondary pollutants, simplicity in system process, and low energy consumption (Li et al, 2022b)In operation scenarios employing the ammonia desulfurization process, the Prediction of SO2 emission concentration in industrial flue gas 2020年9月1日 Spray scattering tower with ammonia desulfurization has been drew a widespread attention for its low energy consumption and high desulfurization efficiency Simultaneous removal of SO2 and NOx by a new combined sprayandscatteredbubble technology based on preozonation: from lab scale to pilot scale Appl Energy, 242 (2019) A numerical study of the ammonia desulfurization in the spray
An evaluation of desulfurization technologies for RSC Publishing
HDS is the primary desulfurization technology used today, although caustic washing to remove low molecular weight thiols is also performed Complete consumption of DBT was observed upon the addition of only phosphates and ammonia Addition of zinc further increased the 2hydroxybiphenyl production by 14%2018年10月15日 Desulfurization technology 11 dry process characteristics of the ammonia desulfurization technology of Mingsheng Chemical Engineering Company are: the absorption tower is a parison of flue Gas Desulfurization Abstract An improved ammoniabased desulfurization technology was proposed, in which the produced excess NH 4 HSO 3 was concentrated by using the heat from the Claus tail gas and then SO 2 was recovered by decomposing the Modeling and simulation of an improved ammonia Efficient Ammoniabased Desulfurization (EADS) Technology Sulfur recovery Sulfuric acid production Incineration SO 2 Condensation SO 2 SO 2 Ammonia absorption system Fossil fuel H2S, SO 2 COS CS2 • A key performance index for ammonia desulfurization • Directly reflects the utilization of ammonia • Ammonia slip: Free ammonia that An Efficient Ammoniabased SRU Tail Gas Desulfurization Process
Frontiers Study on the mass transfer of SO2 in ammoniabased
2022年10月17日 In ammoniabased desulfurization process, SO 2 is commonly absorbed in the pH range from 50 to 60 It can be observed from Figure 3 that the distribution coefficient of SO 2 (aq) is nearly zero and the SO 2 (aq) concentration in solution could be neglected over the pH range of 50–60 According to Henry’s Law, it can be concluded that the mole fraction of SO 2 2023年5月1日 Sulfur dioxide (SO 2) is one of the primary pollutants in flue gas produced by the metallurgical and chemical industries [1]In some metal smelters, ammonia desulfurization to prepare ammonium sulfate ((NH 4) 2 SO 4) is an effective way to realize flue gas desulfurizationThe obtained product (NH 4) 2 SO 4 is a necessary chemical byproduct with Treatment of complex sulfurcontaining solutions in ammonia An improved ammoniabased desulfurization technology was proposed, in which the produced excess NH 4HSO 3 was concentrated by using the heat from the Claus tail gas and then SO 2 was recovered by decomposing the concentrated NH 4HSO 3 in the Claus furnace Furthermore, the process was modeledModeling and simulation of an improved ammoniabased desulfurization 2015年8月30日 Nowadays, the ammoniabased wet flue gas desulfurization is gaining more popularity In this study, the ammoniabased wet flue gas desulfurization obtained ammonia resource from urea hydrolysis instead of anhydrous ammonia and aqueous ammonia, which was beneficial for the development of circular economy An electricheating reactor was employed Hydrolysis of Urea for AmmoniaBased Wet Flue Gas Desulfurization
Ammoniabased FGD
Efficient ammonia desulfurization (EADS) is the core service of JET From the reaction between NH 3 and SO 2, it is capable of efficiently removing SO 2 from the exhaust gas and also producing valuable fertilizer, ammonium sulfate Compared to the most widely used limestonegypsum process in boiler flue gas treatment, the EADS is more efficient, consumes less Currently, desulfurization technologies can be categorized into three main types: wet flue gas desulfurization (FGD) [11], [12], [13], semidry desulfurization [14] and dry desulfurization [15]Wet flue gas desulfurization is widely employed in largescale desulfurization processes due to its high efficiency and low energy consumption [16]However, it poses a significant environmental Recent advances in process and materials for dry desulfurization 2022年12月1日 Dry process for SO 2 and NO x removal via gas to particle conversion with ozone and ammonia injection Separ Purif Technol, 281 (2022), Article Jet absorption and desulfurization technology of sulfur waste gas in the acrylonitrile apparatus Chemical Engineering and Processing Process Intensification, 153 (2020) Simultaneous desulfurization and denitrification of flue gas