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Journal articles on the topic 'Denitration'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Wang, Wen Huan, Wei Guo Pan, and Guo Xin Hu. "Cost Control of 600 MW Coal-Fired Units Denitration Based on LCA." Advanced Materials Research 864-867 (December 2013): 357–60. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.357.

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Life cycle analysis combined with technical economic evaluation method in the paper to control the cost of denitration. A simple model for denitration cost is developed. The influence of different flue gas concentration of NOx to the cost of unit denitration is analysed by life cycle analysis, includes construction, operation and decommissioning, which based on 600 MW coal-fired units. Preliminary calculations reveal that comparing with directly using the denitration technology of selective catalytic reduction (SCR), after using Air staged Low NOx Combustion Technology reduced NOx below 400mg/
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2

Hao, Li Fen, De Shan Xing, and Rong Liang Cao. "The Environment Influences Evaluation on SCR Flue-Gas." Applied Mechanics and Materials 71-78 (July 2011): 3156–59. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3156.

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The present study analyses the three processes of SCR flue-gas denitration project by LCA, such as the production and transportation of the liquid ammonia and the catalyst flue-gas denitration, which based on a SCR flue-gas denitration engineering project in a power plant.The energy consumption and environmental impact of each process are collected and calculated respectively. The results show that SCR flue-gas denitration project has obvious improvement function to the atmosphere environment.
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3

Zhang, Li Juan. "The Design and Experimental Study on the Lance of the Cement Industry Flue Gas Denitration Technology." Advanced Materials Research 1015 (August 2014): 663–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1015.663.

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The lance is the key equipment of SNCR flue gas denitrification technology injection system on the new dry process cement production line.The atomizing effects of reducing agent will directly influence the result of flue gas denitration. In this paper, there are the structure design and experimental analysis on denitration lance.The results show that the lance can ensure the average diameter of atomized particles is from 50 to 55um,uniformly degree is above 80%, and visual distance of atomized ammonia is above 4 meters.It has been applied in a new dry process cement production line of daily 5k
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4

Wang, Ya Li, Li Nan, Si Yu Peng, Yun Ning Zhang, Mei Na Chen, and Su Ping Cui. "Effect of Cement Raw Material and Oxygen Concentration on SNCR Reaction." Materials Science Forum 913 (February 2018): 969–75. http://dx.doi.org/10.4028/www.scientific.net/msf.913.969.

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As the selective non-catalytic reduction denitration(SNCR denitration) was used in cement decomposition furnaces under the high concentration cement raw materials and complex flue gas composition , the denitration efficiency is poor and the reducing agent is largely consumed.In order to meet the more stricter requirements of environmental protection, there is an urgent need to improve the denitration efficiency of SNCR and reduce the escape of reducing agentsin order to prevent the unnecessary waste caused by excessive use of reducing agents and secondary atmospheric pollution.Therefore, study
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5

Ling, Shao Hua, Chang Yong Jing, and Li Juan Zhang. "Analysis Flue Gas Denitration Technology for Small and Medium Sized Coal-Fired Industrial Boilers." Advanced Materials Research 1092-1093 (March 2015): 810–13. http://dx.doi.org/10.4028/www.scientific.net/amr.1092-1093.810.

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In this paper, flue gas denitration technology in the application of small and medium sized coal-fired industrial boilers are analyzed and discussed. To 65t/h CFB(Circulating Fluidized Bed) industrial boiler, study small and medium sized coal-fired industrial boilers flue gas SNCR denitration technology solutions, and analyzes economic and environmental benefits for small and medium sized coal-fired industrial boilers flue gas SNCR denitration technology.
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6

Accashian, John V., Robert T. Vinopal, Byung-Joon Kim, and Barth F. Smets. "Aerobic Growth on Nitroglycerin as the Sole Carbon, Nitrogen, and Energy Source by a Mixed Bacterial Culture." Applied and Environmental Microbiology 64, no. 9 (1998): 3300–3304. http://dx.doi.org/10.1128/aem.64.9.3300-3304.1998.

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ABSTRACT Nitroglycerin (glycerol trinitrate [GTN]), an explosive and vasodilatory compound, was metabolized by mixed microbial cultures from aeration tank sludge previously exposed to GTN. Aerobic enrichment cultures removed GTN rapidly in the absence of a supplemental carbon source. Complete denitration of GTN, provided as the sole C and N source, was observed in aerobic batch cultures and proceeded stepwise via the dinitrate and mononitrate isomers, with successive steps occurring at lower rates. The denitration of all glycerol nitrate esters was found to be concomitant, and 1,2-glycerol din
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7

Liou, Rey-May. "The denitration pathway of p-nitrophenol in the hydrogen peroxide catalytic oxidation with an FeIII-resin catalyst." Water Science and Technology 65, no. 5 (2012): 845–58. http://dx.doi.org/10.2166/wst.2012.627.

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The liquid-phase hydrogen peroxide catalytic oxidation of p-nitrophenol was performed with an FeIII-resin catalyst. The conversion and mineralization of p-nitrophenol was effectively achieved at mild reaction conditions with the FeIII-resin catalyst. It was found that the oxidant concentration, pH, and temperature dominated the degradation rate of p-nitrophenol. The denitration pathway of p-nitrophenol was proposed, in which the concentration of H2O2 and temperature showed strong influence on the conversion of nitrite to nitrate. To study the factors influencing the denitration of p-nitropheno
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8

Hu, Man Yin, Yi Jing Jin, Xiu Hong Wang, and Yu Sun. "Study of SCR Denitration Efficiency under Different Boiler Load Conditions." Advanced Materials Research 219-220 (March 2011): 600–603. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.600.

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With the use of energy, the pollution is more and more serious. As the largest pollution family, coal-fired power plant must control the pollution strictly. It established model of a coal-fired power plant SCR system, and simulated the denitration under different boiler load conditions, to get the denitration efficiencies and the regular of the denitration efficiency under different boiler load conditions. It can provide recommendations for practicality run in coal-fired power plant SCR system.
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9

Li, Yong, Xue Gang Liu, and Jin Chen. "The Application Research of Concentration & Denitration Technology in Advanced Reprocessing Process." Advanced Materials Research 560-561 (August 2012): 637–43. http://dx.doi.org/10.4028/www.scientific.net/amr.560-561.637.

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The proper management of spent fuel arising from nuclear power production is a key issue for the sustainable development of nuclear energy. While conventional reprocessing process, PUREX process, was successful to recover uranium and plutonium, in recent years some countries have turned to focus on advanced reprocessing process, which features of partitioning of minor actinides (MA) and long-lived fission products(LLFP). Most advanced reprocessing processes under development involve new extractants and additional extraction cycles. In China, TRPO extraction process has been developed to partit
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10

Kashihara, Myuto, M. Ramu Yadav, and Yoshiaki Nakao. "Reductive Denitration of Nitroarenes." Organic Letters 20, no. 6 (2018): 1655–58. http://dx.doi.org/10.1021/acs.orglett.8b00430.

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11

Li, Ruo Han, and Song Zhou. "The Preparation of Honeycomb Cordierite Mn-Ce/TiO2 Catalyst and Denitration Performance." Advanced Materials Research 744 (August 2013): 370–74. http://dx.doi.org/10.4028/www.scientific.net/amr.744.370.

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SCR catalyst is the core of SCR technology. More attention to manganese oxide-based catalysts has been paid due to their excellent catalytic activities in low-temperature selective catalytic reduction of NOx by NH3 (NH3-SCR) in recent years. In this paper, the preparation method of honeycomb cordierite Mn-Ce/TiO2 catalyst and denitration performance is studied. Different amount of TiO2, Mn and Ce are supported on the cordierite ceramic and the SCR catalytic tests are conducted. In the tests, the influence of Mn/Ti molar ratio on the denitration performance and the effect of reaction temperatur
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12

Wang, Yali, Nannan Qin, Suping Cui, Xiaoyu Ma, and Siyu Peng. "Influence of Biochar Composition and Micro-Structure on the Denitration of Flue Gases at High Temperature." Applied Sciences 10, no. 6 (2020): 1920. http://dx.doi.org/10.3390/app10061920.

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Biochar materials are good reducers of nitrogen oxides. The composition and structure of biochar affect significantly its ability to reduce C–NO. In order to study the denitration of flue gases by biochar at high temperature, three kinds of biochar (bamboo charcoal (BC), rice husk ash (RHA), and straw charcoal (SC)) were mixed with cement raw meal in a fixed-bed quartz reactor at the temperature of 800–900 °C and O2 concentration of 0.5%–2%. The results showed that the initial denitration rate of BC was higher than that of RHA, and that of SC was the lowest. RHA had the largest specific surfac
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13

Zhang, Yun Ning, Ya Li Wang, Su Ping Cui, Wei Wang, and Yi Ning Zhao. "Effect of CaO on SNCR Reaction with NH3 as Reducing Agent." Materials Science Forum 847 (March 2016): 249–55. http://dx.doi.org/10.4028/www.scientific.net/msf.847.249.

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Selective non-catalytic reduction (SNCR) is a denitration method in the high temperature area, and NH3 or urea is used for SNCR as reducing agents to react with NOX to produce N2 in the flue gas in the temperature ranged from 850°C to 1100°C. The SNCR deNOx technology has been well used in utility boiler, but compared with it, the lower denitration efficiency and the larger consumption of ammonia indicate a more complex process in cement pre-calciner. Unlike in utility boiler, the presence of high concentrations of cement raw materials may influence SNCR denitration reaction process in cement
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14

Shi, Deqi, Guoxin Sun, and Yu Cui. "Study on the removal of NO from flue gas by wet scrubbing using NaClO3." Journal of the Serbian Chemical Society 84, no. 10 (2019): 1183–92. http://dx.doi.org/10.2298/jsc190305053s.

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In order to remove nitric oxide (NO) from flue gas, from small coal-fired boilers, it is necessary to exploit the cost-effective wet denitration technology. The absorption of NO with sodium chlorate solution was studied. The effects of experimental conditions, such as temperature, NaClO3 concentration, type of acid, mole ratio of NaClO3 to hydrogen ions, on NO removal rate were investigated, and the optimal conditions were established. As the effect of temperature on denitration was related to the type of acid used, the temperature required for sulfuric acid was high, and the temperature requi
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15

Xu, Xi. "Experimental research on performance test after SCR denitration system ultra-low emission retrofit in a 600 MW coal-fired unit." E3S Web of Conferences 136 (2019): 02034. http://dx.doi.org/10.1051/e3sconf/201913602034.

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A systematic performance test was carried out for the ultra-low emission modification project of the Selective Catalytic Reduction (SCR) denitration system of a 600 MW coal-fired unit in a thermal power plant. Terms of the performance tests include denitration efficiency, ammonia escape rate, and SO2/SO3 conversion rate. The distribution of gas velocity and NOx concentration in flue gas of SCR inlet and outlet were summarized. The effect of unit load and gas velocity to denitration efficiency, ammonia escape rate and SO2/SO3 conversion rate were discussed after the test. The result favours des
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16

Yussupov, Khalidilla, Yerbolat Aben, Armanbek Omirgali, and Azamat Rakhmanberdiyev. "Analyzing a denitration process in the context of underground well uranium leaching." Mining of Mineral Deposits 15, no. 1 (2021): 127–33. http://dx.doi.org/10.33271/mining15.01.127.

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Purpose is to increase a sorbent denitration degree in the context of underground uranium leaching while optimizing reagent concentration as well as a degree of the solution activation on the basis of laboratory research. Methods. Analysis has been applied as well as scientific generalization of scientific-and-engineering information, laboratory research, statistic processing, and analysis of the research results. The laboratory experiments involved specific mixture to obtain comparative data of sulfuric solution activity and identify optimum degree of the solution activation for denitration.
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17

Xu, Rui, Zhong Ming Mei, Mei Qing Zhao, and He Xian He. "Inquisition to Several Issues in Performance Test of SCR Flue Gas Denitration System." Advanced Materials Research 610-613 (December 2012): 1610–15. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.1610.

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According to the performance test carried out in the SCR flue gas denitration system in 660 MW unit in a thermal power plant, several issues about the SCR flue gas denitration equipment were discussed, such as difficulty to accurately reflect the state of reliability, NOx emitting concentration overrun, export concentration uneven distribution and so on. Some suggestions were brought forward on how to deal with the issues.
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18

Duddu, Raja, Paritosh R. Dave, Reddy Damavarapu, Rao Surapaneni, and Richard Gilardi. "Hydrogenolytic Denitration of Polynitro Compounds." Synthetic Communications 35, no. 20 (2005): 2709–14. http://dx.doi.org/10.1080/00397910500214425.

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19

Miyazaki, Akane, Toru Asakawa, and Ioan Balint. "NO2− adsorption onto denitration catalysts." Applied Catalysis A: General 363, no. 1-2 (2009): 81–85. http://dx.doi.org/10.1016/j.apcata.2009.04.045.

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20

Ketao, Xu, He Yongbing, and Zhang Yang. "Analysis and Discussions on the Nonuniformity Problem of SCR Denitration Equipment NOx Concentration Distribution in a 600MW Coal-fired Unit." E3S Web of Conferences 165 (2020): 01027. http://dx.doi.org/10.1051/e3sconf/202016501027.

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Combining with an engineering example, from the aspects of SCR inlet NOx concentration distribution, flue gas velocity uniformity, ammonia injection valve opening, ash deposit, abrasion and flue arrangement, the uniformity problem of SCR denitration equipment outlet NOx concentration distribution is analyzed and discussed in a 660MW coal-fired unit. The results show that the uneven distribution of NOx concentration is caused by the combined action of many factors. In the cause analysis and solution formulation, the influence factors need be overall consideration. By adjusting the ammonia injec
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21

Hu, Haoxuan, Ran Zhao, Xianwei Fan, Junyi Liu, Yahui Nie, and Dong Wang. "Preparation of a novel V2C mxene/g-C3N4 and its performance in plasma catalytic denitrification." E3S Web of Conferences 252 (2021): 02068. http://dx.doi.org/10.1051/e3sconf/202125202068.

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In this work, the g-C3N4/V2C MXene composite catalyst was prepared by solvothermal method, and its denitration performance under synergistic plasma (NTP) was investigated. The results showed that when the mass ratio of V2C is 3%, the denitration performance of V-CN-3-NTP is as high as 83.3%, which is 1.2 and 2.1 times that of the V2C-NTP and g-C3N4-NTP systems alone. The apparent morphology, phase structure, and catalytic mechanism of the catalyst were studied by SEM, TEM, XRD, FTIR, XPS, etc. The results showed that g-C3N4 grows well on V2C mxene. V2C is not only an electron acceptor but also
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22

Guo, Shuai, Mingliang Zhao, Tingting Li, Zhiyu Song, and Jiting han. "Optimization of NOx emission control based on high sulfur coal combustion." E3S Web of Conferences 256 (2021): 02015. http://dx.doi.org/10.1051/e3sconf/202125602015.

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Combined with the operation of an 800MW supercritical boiler burning high sulfur coal, in order to control the emission of nitrogen oxides, the optimization adjustment of ammonia injection and NOx emission reduction based on combustion adjustment is proposed. According to the test of the inlet and outlet of denitration system under 800 MW condition, the parameters of NOx, O2, NH3, wind speed and so on at the inlet and outlet of denitration system are tested, and the ammonia injection manual valve is adjusted according to the test results. After adjustment, the NOx distribution at the outlet of
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23

Giumanini, Angelo G., and Giancarlo Verardo. "Observation of a single-pot aromatic reductive denitration." Canadian Journal of Chemistry 75, no. 4 (1997): 469–73. http://dx.doi.org/10.1139/v97-054.

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4,N,N-Trimethyl-3-nitrobenzenamine gave reductive denitration products (ca. 28%) upon treatment with n-butyl nitrite in the presence of catalytic amounts of ammonium chloride and water in an unprecedented one-reagent single-pot process. The three isomeric N,N-dimethylnitrobenzenamines showed the same behaviour to a much lesser extent; the ortho isomer was partially (7%) transformed into 1-methylbenzotriazole. Keywords: aromatic protolytic denitration, nitroaromatics, n-butyl nitrite, E- and Z-nitrosamine.
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24

Yang, Yingxin, Lu Zhong, Jingling Hu, Xueliang Xue, Xiaotu Hu, and Yong Liu. "Investigation on NO Oxidation during Ozone Oxidation Denitration of Sintering Flue Gas." E3S Web of Conferences 53 (2018): 01027. http://dx.doi.org/10.1051/e3sconf/20185301027.

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With the intensified requirements on ambient air quality, controlling NOx emission from sintering flue gas has become the most important priority in steel industry. Ozone oxidation denitration process has become the most closely watched sintering flue gas denitration technology. In order to investigate the influence of different operating conditions on NO oxidation in practical engineering application of ozone oxidation denitration process, an ozone oxidation system was built, and sintering flue gas was extracted from the pipeline between the induced draft fan and the desulfurization tower. Th
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25

Zhang, Lei, Chao Yang, Lei Zhang, et al. "Application of Plasma Treatment in Preparation of Soybean Oil Factory Sludge Catalyst and Its Application in Selective Catalytic Oxidation (SCO) Denitration." Materials 11, no. 9 (2018): 1609. http://dx.doi.org/10.3390/ma11091609.

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At present, the most commonly used denitration process is the selective catalytic reduction (SCR) method. However, in the SCR method, the service life of the catalyst is short, and the industrial operation cost is high. The selective catalytic oxidation absorption (SCO) method can be used in a low temperature environment, which greatly reduces energy consumption and cost. The C/N ratio of the sludge produced in the wastewater treatment process of the soybean oil plant used in this paper is 9.64, while the C/N ratio of the sludge produced by an urban sewage treatment plant is 10–20. This study
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26

Wang, Zongyu, Hailang Kuang, Jifeng Zhang, Lilin Chu, and Yulong Ji. "Nitrogen Oxide Removal by Coal-Based Activated Carbon for a Marine Diesel Engine." Applied Sciences 9, no. 8 (2019): 1656. http://dx.doi.org/10.3390/app9081656.

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Vanadium-based catalysts are mainly used for marine diesel exhaust denitration. However, their poor catalytic ability at low temperature and poor sulfur tolerance, as well as high toxicity and cost, are big turnoffs. AC (Activated carbon) exhibits good adsorption capacity and catalytic ability in denitration because of its high specific surface area and chemical activity. In this paper, coal-based AC was used for simulating diesel exhaust denitration in different conditions. The results show that the NO removal ability of AC is poor in an NO/N2 system. The NO2 removal ability is excellent in a
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27

Zhang, Ruiyuan, Chi Wang, Kai Li, et al. "Influence of Ca doping and calcination temperature on selective catalytic oxidation of NO over Mn–Ca–Ox–(CO3)ycatalysts." New Journal of Chemistry 41, no. 20 (2017): 11742–49. http://dx.doi.org/10.1039/c7nj02230a.

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28

Liu, Hai Long, Yan Liu, Jin Gang Wang, and Shao Feng Zhang. "Experiment Research on Calcium Hypochlorite for Flue Gas Desulfurization and Denitration." Advanced Materials Research 518-523 (May 2012): 2509–13. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2509.

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In this paper the desulfurization and denitration of simulation flue gas using calcium hypochlorite as absorbent was studied experimentally. Absorption experiments of the desulfurization and denitration in calcium hypochlorite solutions were carried out in a Porous Globular Gas Liquid Reactor (PGGLR) which was a new and innovative core design. Three experiments were conducted at NTP conditions. The mechanism of removal for SO2 and NOX was investigated. Under these experiment conditions, the removal efficiency of 100%, 67% for SO2 and NOX were achieved. The results can offer valuable references
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29

Chen, Liang Ren, and En Hui Zheng. "Development of Defect Detection Algorithm in Cellular Denitration Catalyst." Applied Mechanics and Materials 716-717 (December 2014): 892–97. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.892.

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Denitration catalyst defect detection based on image processing plays a vital role in automated inspection of product quality. In this paper, we propose a defect detection algorithm based on image processing to inspect the cellular denitration catalyst. In pre-processing, Hough transform, morphological processing and connected component labeling are used to find the defect location. In the process of defect categories recognition, the Hu moments combined with geometrical features are used. Besides, support vector machine classifier is trained to detect the defect categories. The proposed algor
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30

Martin, J. L., S. D. Comfort, P. J. Shea, R. A. Drijber, and T. A. Kokjohn. "Denitration of 2,4,6-trinitrotoluene byPseudomonas savastanoi." Canadian Journal of Microbiology 43, no. 5 (1997): 447–55. http://dx.doi.org/10.1139/m97-063.

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Past disposal of wastewaters containing 2,4,6-trinitrotoluene (TNT) at the former Nebraska Ordnance Plant has resulted in numerous acres of TNT-contaminated soil. Examining the microbial population of these soils revealed several TNT-tolerant Pseudomonas spp. We selected one species, P. savastanoi, to determine its ability to transform TNT. Pure culture experiments were performed in pseudomonas minimal medium containing 0.31 mM TNT (70 mg TNT∙L−1) under varied nutrient and cell density regimes. Experiments with TNT as a sole C or N source showed that P. savastanoi has the ability to denitrate
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31

Chapman, Robert D., Richard A. O'Brien, and Paul A. Kondracki. "N-denitration of nitramines by dihydronicotinamides." Tetrahedron 52, no. 29 (1996): 9655–64. http://dx.doi.org/10.1016/0040-4020(96)00502-9.

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32

Kang, Minho, and Hamid I. Akbarali. "Denitration of L-type calcium channel." FEBS Letters 582, no. 20 (2008): 3033–36. http://dx.doi.org/10.1016/j.febslet.2008.07.042.

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33

Ristić, Mira, Svetozar Musić, Marijan Marciuš, Stjepko Krehula, Ernő Kuzmann, and Zoltán Homonnay. "Denitration of simulated radioactive liquid waste." Journal of Radioanalytical and Nuclear Chemistry 322, no. 3 (2019): 1477–85. http://dx.doi.org/10.1007/s10967-019-06736-x.

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34

Wang, Zhuang Kun. "Research of Microwave - Ethanol Auxiliary V2O5-WO3/TiO2 SCR Catalyst Regeneration Experiment." Advanced Materials Research 1015 (August 2014): 619–22. http://dx.doi.org/10.4028/www.scientific.net/amr.1015.619.

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Using selective catalytic reduction (SCR) that takes NH3 as the reducing agent to remove NOx is one of the most often used coal-fired flue gas denitration technology that of the highest denitration efficiency. As the core of the SCR system, catalyst is the important factors that affect the whole SCR system denitration efficiency. As the growth of the running time, catalyst tends to lose active energy because of the surface channel jam and toxic element enrichment and deactivation. Each year the deactivation catalyst regeneration process, can save a lot of money, thus help to avoid pollution of
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35

Chen, Wangsheng, Fali Hu, Linbo Qin, et al. "Mechanism and Performance of the SCR of NO with NH3 over Sulfated Sintered Ore Catalyst." Catalysts 9, no. 1 (2019): 90. http://dx.doi.org/10.3390/catal9010090.

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A sulfated sintered ore catalyst (SSOC) was prepared to improve the denitration performance of the sintered ore catalyst (SOC). The catalysts were characterized by X-ray Fluorescence Spectrometry (XRF), Brunauer–Emmett–Teller (BET) analyzer, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and diffuse reflectance infrared spectroscopy (DRIFTS) to understand the NH3-selective catalytic reduction (SCR) reaction mechanism. Moreover, the denitration performance and stability of SSOC were also investigated. The experimental results indicated that there were more Brønsted acid sites a
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36

Husserl, Johana, Joseph B. Hughes, and Jim C. Spain. "Key Enzymes Enabling the Growth of Arthrobacter sp. Strain JBH1 with Nitroglycerin as the Sole Source of Carbon and Nitrogen." Applied and Environmental Microbiology 78, no. 10 (2012): 3649–55. http://dx.doi.org/10.1128/aem.00006-12.

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ABSTRACTFlavoprotein reductases that catalyze the transformation of nitroglycerin (NG) to dinitro- or mononitroglycerols enable bacteria containing such enzymes to use NG as the nitrogen source. The inability to use the resulting mononitroglycerols limits most strains to incomplete denitration of NG. Recently,Arthrobacterstrain JBH1 was isolated for the ability to grow on NG as the sole source of carbon and nitrogen, but the enzymes and mechanisms involved were not established. Here, the enzymes that enable theArthrobacterstrain to incorporate NG into a productive pathway were identified. Enzy
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37

Yang, Liang, Yunkai Cai, and Lin Lu. "Experimental Study on Simultaneous Desulfurization and Denitrification by DBD Combined with Wet Scrubbing." Applied Sciences 11, no. 18 (2021): 8592. http://dx.doi.org/10.3390/app11188592.

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A dielectric barrier discharge (DBD) reactor combined with a wet scrubbing tower was used to carry out an experimental study on desulfurization and denitrification. The effects of the packing type, packing height, spray density, mass fraction of the NaOH solution, discharge power in the DBD reactor, and simulated flue gas flow rate on the desulfurization and denitrification efficiency were analyzed, along with the influence weight of each factor, using orthogonal testing. The experimental results showed that SO2 was easily absorbed by the scrubbing solution, while the desulfurization efficienc
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38

Zhou, Xin, Xinai Zhang, Zeqian Zhang, and Yu Liu. "Full nitration-denitration versus partial nitration-denitration-anammox for treating high-strength ammonium-rich organic wastewater." Bioresource Technology 261 (August 2018): 379–84. http://dx.doi.org/10.1016/j.biortech.2018.04.049.

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39

Xie, Tianying, Limei Cao, Wei Sun, and Ji Yang. "Methanol reforming denitration over an integrated bifunctional CuZnOx–X–MnPdOz@Ni catalyst at low temperature." Catalysis Science & Technology 11, no. 7 (2021): 2471–79. http://dx.doi.org/10.1039/d0cy02089c.

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Liu, Ya Qiong, Jia Zhen Du, Pi Qiang Tan, and Ai Min Du. "Progress on Denitration and Desulfuration Technologies for Marine Diesel Engines." Applied Mechanics and Materials 713-715 (January 2015): 51–56. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.51.

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Exhaust emission regulations issued by International Maritime Organization (IMO) for marine diesel engines are given and formation mechanisms for several pollutant emissions are introduced. Main denitration and desulfuration technologies for reducing NOx and SOx emissions are seperately summarized. In addition, working mechanism of different emission control technologies and their applications on marine diesel engines are introduced. These different emission control technologies are analyzed by evaluating conversion efficiency, economy and practical performance, and existed problems and future
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Geng, Chun Xiang, Qian Qian Chai, Wei Yao, and Chen Long Wang. "Influence Factors of Denitration Study on Catalyst Mn-Ce/TiO2." Advanced Materials Research 634-638 (January 2013): 526–30. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.526.

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Selective Catalytic Reduction (SCR) processes have been one of the most widely used denitration methods at present and the property of low tempreture catalyst becomes a hot research. The Mn-Ce/TiO2 catalyst was prepared by incipient impregnation method. The influence of load capacity, reaction temperature, O2 content, etc. on denitration were studied by a fixed bed catalyst reactor with ammonia gas. Results showed that catalyst with load capacity 18% performed high NO removal rate of 90% at conditions of reaction temperature 160°C, low space velocity, NH3/NO molar ratio 1: 1, O2 concentration
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Qiao, Hua, Hua-jun Feng, Shao-ying Liu, et al. "The possible reduction pathways of 2,4,6-trinitrotoluene (TNT) by sulfide under simulated anaerobic conditions." Water Science and Technology 64, no. 12 (2011): 2474–82. http://dx.doi.org/10.2166/wst.2011.615.

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To predict the final fate of 2,4,6-trinitrotoluene (TNT) and its intermediates in an anaerobic fermentative solution containing reduced sulfur species and to provide a basis for the adoption of remediation methods, we investigated the pathways of TNT (TNT0 = 50 mg/L) reduction by Na2S at 30 ± 1 °C in an acetic acid–sodium bicarbonate buffer. Liquid chromatography/mass spectrometry (LC/MS) was used to identify TNT metabolites at different reaction times. The law of growth and decline of TNT and its metabolites was determined with time. The LC/MS result, combined with the physicochemical charact
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He, Zhi Jun, Yong Long Jin, and Jin Xin Liu. "Study on Desulfurization and Denitration of with Industry Solid Waste by Microwave." Advanced Materials Research 194-196 (February 2011): 2169–74. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.2169.

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This paper aims to study the feasibility of two solid waste which are steelmaking slag and fly ash as desulfurization and denitration absorbents by microwave. Under the optimal operating conditions, the removal efficiencies of 70.9% and 69.6% are achieved for SO2 and NOX respectively. The microstructure of before and after the adsorbent reaction are analyzed by SEM. Base on the experiment research, he mechanisms of simultaneous desulfurization and denitration are investigated in this paper. The research provides a new approach to resource recycling of steelmaking slag and fly ash. And the resu
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Wang, Zongyu, Hailang Kuang, Jifeng Zhang, Lilin Chu, and Yulong Ji. "Nitrogen oxide removal by non-thermal plasma for marine diesel engines." RSC Advances 9, no. 10 (2019): 5402–16. http://dx.doi.org/10.1039/c8ra09217f.

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Xue, Jian-Fei, Shao-Fang Zhou, Ye-Ye Liu, Xiangqiang Pan, Jian-Ping Zou та Olayinka Taiwo Asekun. "Manganese(iii)-mediated alkenyl Csp2–P bond formation from the reaction of β-nitrostyrenes with dialkyl phosphites". Organic & Biomolecular Chemistry 13, № 17 (2015): 4896–902. http://dx.doi.org/10.1039/c5ob00404g.

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Ma, Mingxuan, Xiaoyu Ma, Suping Cui, Tingting Liu, Yingliang Tian, and Yali Wang. "Low Temperature NH3-SCR over Mn-Ce Oxides Supported on MCM-41 from Diatomite." Materials 12, no. 22 (2019): 3654. http://dx.doi.org/10.3390/ma12223654.

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A series of MCM-41 molecular sieves with different molar ratio of template to silicon were synthesized through hydrothermal synthesis method by using cetyltrimethylammonium bromide (CTAB) as the template, diatomite as the silicon source. By using impregnation method, the Mn-Ce/MCM-41 SCR molecular sieve-based catalysts were prepared. The results observed that when the molar ratio of template to silicon was 0.2:1, the MCM-41 as catalyst carrier has the highest surface area and largest pore volume, it also presented typically ordered hexagonal arrays of uniform channels. The denitration catalyti
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Chen, Minjun, Jianping Yang, Yong Liu, et al. "TiO2 interpenetrating networks decorated with SnO2 nanocrystals: enhanced activity of selective catalytic reduction of NO with NH3." Journal of Materials Chemistry A 3, no. 4 (2015): 1405–9. http://dx.doi.org/10.1039/c4ta05503a.

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Yang, Yingxin, Lu Zhong, Xueliang Xue, Jingling Hu, Xiaotu Hu, and Yong Liu. "Orthogonal Experiments on Ozone Oxidation Denitration of Sintering Flue Gas." E3S Web of Conferences 53 (2018): 01028. http://dx.doi.org/10.1051/e3sconf/20185301028.

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Ozone oxidation denitration process has become the most closely watched sintering flue gas denitration technology currently. In order to investigate the influence of different operating conditions on NO oxidation in practical engineering application of this technology, an ozone oxidation system was built, and sintering flue gas was extracted from the pipeline between the induced draft fan and the desulfurization tower. The influence of flue gas flow and inlet NO concentration on NO oxidation was investigated by orthogonal experiments. The results indicated that NO oxidation efficiency increase
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Peng, Xianyun, Yuying Mi, Haihong Bao, et al. "Ambient electrosynthesis of ammonia with efficient denitration." Nano Energy 78 (December 2020): 105321. http://dx.doi.org/10.1016/j.nanoen.2020.105321.

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Ostrovskii, Yu V., G. M. Zabortsev, A. A. Shpak, et al. "Denitration of Nitric Acid Raffinates with Urea." Radiochemistry 46, no. 3 (2004): 252–55. http://dx.doi.org/10.1023/b:rach.0000031682.39026.a3.

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