Journal articles on the topic 'Scrubber,Selective Catalytic Reduction,Selective non catalytic reduction'

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1

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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2

FURUBAYASHI, Michitaka, Hanako ITOH, and Yuji SHIRAISHI. "Study of Ammonia Dispersion on Selective Non-Catalytic Reduction." TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 79, no. 801 (2013): 777–80. http://dx.doi.org/10.1299/kikaib.79.777.

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3

Daood, Syed Sheraz, Thomas S. Yelland, and William Nimmo. "Selective non-catalytic reduction – Fe-based additive hybrid technology." Fuel 208 (November 2017): 353–62. http://dx.doi.org/10.1016/j.fuel.2017.07.019.

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4

Wang, Tae Joong, Duk Sang Kim, and Tae Shik Ahn. "Simulation study on improving the selective catalytic reduction efficiency by using the temperature rise in a non-road transient cycle." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 231, no. 6 (2016): 810–27. http://dx.doi.org/10.1177/0954407016664620.

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In this study, the transient nitrogen oxide reduction performance of a urea selective catalytic reduction system installed on a non-road diesel engine was tested on an engine dynamometer bench over a scheduled non-road transient cycle mode. Based on the measurement results, the characteristics of the transient selective catalytic reduction behaviours of nitrogen oxide reduction were evaluated. Also, in this study, the effects of several thermal management strategies for improving the selective catalytic reduction efficiency was investigated by transient selective catalytic reduction simulation
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5

FURUBAYASHI, Michitaka, Hanako ITOH, and Yuji SHIRAISHI. "206 Study of Ammonia Dispersion on Selective Non-Catalytic Reduction." Proceedings of the Symposium on Environmental Engineering 2012.22 (2012): 139–40. http://dx.doi.org/10.1299/jsmeenv.2012.22.139.

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6

Nam, C. M., and B. M. Gibbs. "Selective non-catalytic reduction of NOx under diesel engine conditions." Proceedings of the Combustion Institute 28, no. 1 (2000): 1203–9. http://dx.doi.org/10.1016/s0082-0784(00)80331-8.

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7

Van Caneghem, Jo, Johan De Greef, Chantal Block, and Carlo Vandecasteele. "NOx reduction in waste incinerators by selective catalytic reduction (SCR) instead of selective non catalytic reduction (SNCR) compared from a life cycle perspective: a case study." Journal of Cleaner Production 112 (January 2016): 4452–60. http://dx.doi.org/10.1016/j.jclepro.2015.08.068.

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8

Zheng, Minggang, Yuankun Zhang, and Lei Shi. "Research on selective non-catalytic NOx reduction (SNCR) for diesel engine." International Journal of Heat and Technology 36, no. 3 (2018): 981–86. http://dx.doi.org/10.18280/ijht.360326.

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9

Zandaryaa, Sarantuyaa, Renato Gavasci, Francesco Lombardi, and Antonella Fiore. "Nitrogen oxides from waste incineration: control by selective non-catalytic reduction." Chemosphere 42, no. 5-7 (2001): 491–97. http://dx.doi.org/10.1016/s0045-6535(00)00221-6.

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10

Zamansky, Vladimir M., Peter M. Maly, Loc Ho, Vitali V. Lissianski, Darwin Rusli, and William C. Gardiner. "Promotion of selective non-catalytic reduction of no by sodium carbonate." Symposium (International) on Combustion 27, no. 1 (1998): 1443–49. http://dx.doi.org/10.1016/s0082-0784(98)80551-1.

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11

Yang, Weijuan, Junhu Zhou, Zhijun Zhou, and Kefa Cen. "Nitrous oxide formation and emission in selective non-catalytic reduction process." Frontiers of Energy and Power Engineering in China 1, no. 2 (2007): 228–32. http://dx.doi.org/10.1007/s11708-007-0031-9.

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12

Tayyeb Javed, M., Naseem Irfan, and B. M. Gibbs. "Control of combustion-generated nitrogen oxides by selective non-catalytic reduction." Journal of Environmental Management 83, no. 3 (2007): 251–89. http://dx.doi.org/10.1016/j.jenvman.2006.03.006.

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13

Yang, Shijian, Yuwu Fu, Yong Liao, et al. "Competition of selective catalytic reduction and non selective catalytic reduction over MnOx/TiO2for NO removal: the relationship between gaseous NO concentration and N2O selectivity." Catal. Sci. Technol. 4, no. 1 (2014): 224–32. http://dx.doi.org/10.1039/c3cy00648d.

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14

Nordin, Anders, Lennart Eriksson, and Marcus Öhman. "NO reduction in a fluidized bed combustor with primary measures and selective non-catalytic reduction." Fuel 74, no. 1 (1995): 128–35. http://dx.doi.org/10.1016/0016-2361(94)p4344-2.

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15

Xu, Bo Yan, Hai Ying Tian, Jie Yang, De Zhi Sun, and Shao Li Cai. "A System of Selective Non Catalytic Reduction of NOx for Diesel Engine." Advanced Materials Research 201-203 (February 2011): 643–46. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.643.

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SNCR (Selective Non Catalytic Reduction) system is proposed, with 40% methylamine aqueous solution as reducing agent to reduce NOx in diesel exhaust gas. The effect of injection position and volume on the reduction efficiency through the test bench is systematically researched. A three-dimensional model of a full-sized diesel SNCR system generated by CFD software FIRE is used to investigate the reduction efficiency under different temperatures. The simulated results have a good agreement with the test results, and it can be used to optimize SNCR system. The results can indicate the practical a
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16

Cao, Qing Xi, Hui Liu, Shao Hua Wu, et al. "Numerical Study of Selective Non-Catalytic Reduction Process in Large Utility Boiler." Advanced Materials Research 732-733 (August 2013): 258–64. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.258.

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To provide a theoretical guidance for the application of selective non-catalytic reduction (SNCR) in a large capacity utility boiler, numerical study of SNCR process in a 600 MW utility boiler was performed based on computational fluid dynamics (CFD) code Fluent. Good agreement of the calculation results with the industrial test data confirms the reliability of the calculation model. It is found that the NO removal efficiency is low and NH3-slip is high, because the injected reducing agent could not mix with the flue gas adequately, and the furnace temperature is not uniform in utility boiler
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17

Yang, Mei, Juan Yu, Zhongxiao Zhang, and Delong Li. "Selective non-catalytic reduction of flue gas in a circulating fluidized bed." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 38, no. 7 (2016): 921–27. http://dx.doi.org/10.1080/15567036.2013.853113.

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18

KINOSHITA, Seiji, Takashi NAKAYAMA, Tomohiro DENDA, et al. "Challenge to Updating of Selective Non-Catalytic Reduction for NOx Emission Control." TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 78, no. 789 (2012): 1021–24. http://dx.doi.org/10.1299/kikaib.78.1021.

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19

Parchevskii, V. M., T. E. Shchederkina, and A. O. Proshina. "Environmental and economic evaluation of selective non-catalytic reduction of nitrogen oxides." Journal of Physics: Conference Series 891 (November 10, 2017): 012230. http://dx.doi.org/10.1088/1742-6596/891/1/012230.

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20

HAN, Kuihua, and Chunmei LU. "Kinetic Model and Simulation of Promoted Selective Non-catalytic Reduction by Sodium Carbonate." Chinese Journal of Chemical Engineering 15, no. 4 (2007): 512–19. http://dx.doi.org/10.1016/s1004-9541(07)60117-7.

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21

KINOSHITA, Seiji, Takashi NAKAYAMA, Tomohiro DENDA, Toshihiko IWASAKI, Tomonori NAKAGAWA, and Yosuke KIMURA. "213 Challenge to upgrading of selective non-catalytic reduction for NOx emission control." Proceedings of the Symposium on Environmental Engineering 2011.21 (2011): 145–47. http://dx.doi.org/10.1299/jsmeenv.2011.21.145.

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22

Javed, M. Tayyeb, and Naseem Irfan. "Computational modelling of NOx removal by selective non-catalytic reduction." International Journal of Environment and Pollution 29, no. 4 (2007): 495. http://dx.doi.org/10.1504/ijep.2007.014235.

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23

Duffy, B. L., and P. F. Nelson. "Isotopic labeling studies of the selective non-catalytic reduction of NO with NH3." Symposium (International) on Combustion 26, no. 2 (1996): 2099–108. http://dx.doi.org/10.1016/s0082-0784(96)80034-8.

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24

Jødal, Morten, Tove Linding Lauridsen, and Kim Dam-Johansen. "NOx removal on a coal-fired utility boiler by selective non-catalytic reduction." Environmental Progress 11, no. 4 (1992): 296–301. http://dx.doi.org/10.1002/ep.670110417.

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25

Farcy, B., A. Abou-Taouk, L. Vervisch, P. Domingo, and N. Perret. "Two approaches of chemistry downsizing for simulating selective non catalytic reduction DeNOx process." Fuel 118 (February 2014): 291–99. http://dx.doi.org/10.1016/j.fuel.2013.10.070.

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26

Abul Hossain, Khandoker, Mohammad Nazri Mohd Jaafar, Azeman Mustafa, Kiran Babu Appalanidu, and Farid Nasir Ani. "Application of selective non-catalytic reduction of NOx in small-scale combustion systems." Atmospheric Environment 38, no. 39 (2004): 6823–28. http://dx.doi.org/10.1016/j.atmosenv.2004.09.012.

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27

Oliveira, F. C. L., W. P. Martignoni, E. Souza, et al. "Convective recirculation effect on the selective non-catalytic reduction behavior in an industrial furnace." Brazilian Journal of Chemical Engineering 34, no. 4 (2017): 1011–21. http://dx.doi.org/10.1590/0104-6632.20170344s20150420.

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28

Oyashiki, Takuya, Masaru Takei, Yoshinori Itaya, Hitoki Matsuda, and Masanobu Hasatani. "Numerical Analysis of Reaction Mechanism of Selective Non-Catalytic NO Reduction using Urea Solution." KAGAKU KOGAKU RONBUNSHU 27, no. 5 (2001): 616–23. http://dx.doi.org/10.1252/kakoronbunshu.27.616.

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29

Baleta, Jakov, Hrvoje Mikulčić, Milan Vujanović, Zvonimir Petranović, and Neven Duić. "Numerical simulation of urea based selective non-catalytic reduction deNOx process for industrial applications." Energy Conversion and Management 125 (October 2016): 59–69. http://dx.doi.org/10.1016/j.enconman.2016.01.062.

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30

Fu, Shi-long, Qiang Song, and Qiang Yao. "Influence of CaO on urea pyrolysis in the selective non-catalytic reduction deNOx process." Journal of Analytical and Applied Pyrolysis 126 (July 2017): 397–404. http://dx.doi.org/10.1016/j.jaap.2017.05.003.

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31

Modliński, Norbert. "Numerical simulation of SNCR (selective non-catalytic reduction) process in coal fired grate boiler." Energy 92 (December 2015): 67–76. http://dx.doi.org/10.1016/j.energy.2015.03.124.

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32

Locci, Carlo, Luc Vervisch, Benjamin Farcy, Pascale Domingo, and Nicolas Perret. "Selective Non-catalytic Reduction (SNCR) of Nitrogen Oxide Emissions: A Perspective from Numerical Modeling." Flow, Turbulence and Combustion 100, no. 2 (2017): 301–40. http://dx.doi.org/10.1007/s10494-017-9842-x.

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33

Farcy, Benjamin, Luc Vervisch, and Pascale Domingo. "Large eddy simulation of selective non-catalytic reduction (SNCR): A downsizing procedure for simulating nitric-oxide reduction units." Chemical Engineering Science 139 (January 2016): 285–303. http://dx.doi.org/10.1016/j.ces.2015.10.002.

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34

Zhang, Qian, Rui Ma, You Ning Xu, Jun Rui Shi, and Feng Yi Guan. "Comparison and Analysis on Flue Gas Denitrification Technology in Coal Fired Boiler Retrofit." Advanced Materials Research 781-784 (September 2013): 2497–501. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2497.

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The widely used technologies of Selective Catalytic Reduction (SCR), Non-selective Catalytic Reduction (SNCR) and hybrid SNCR-SCR for coal-fired boiler in China are reviewed. The technical characteristics of different processes and transformation methods are compared. Analysis is made about the advantages of each technology and the major problems in the retrofitting. The proposal for the corresponding problems is presented. Reference is provided for coal-fired boiler denitrification transformation in China.
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35

He, Fengshuo, Xiumin Yu, Yaodong Du, et al. "Inner Selective Non-Catalytic Reduction Strategy for Nitrogen Oxides Abatement: Investigation of Ammonia Aqueous Solution Direct Injection with an SI Engine Model." Energies 12, no. 14 (2019): 2742. http://dx.doi.org/10.3390/en12142742.

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This study contributes to a method based on an aqueous solution of ammonia direct injection for NOx emissions control from internal combustion engines. Many previously published studies about deNOx technology are based on selective catalytic reduction (SCR), but only few deal with inner selective non-catalytic reduction (inner SNCR) technology, which is an intensive improvement of selective non-catalytic reduction (SNCR) applied in the in-cylinder purification procedure. Before numerical calculations were carried out, the computational fluid dynamic (CFD) simulation model was validated with st
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36

Xu, Ming-xin, Ya-chang Wu, Hai-bo Wu, Hao-dong Ouyang, and Qiang Lu. "Catalytic oxidation of NH3 over circulating ash in the selective non-catalytic reduction process during circulating fluidized bed combustion." Fuel 271 (July 2020): 117546. http://dx.doi.org/10.1016/j.fuel.2020.117546.

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37

Curry-Hyde, H. "Catalytic reduction of nitric oxide over amorphous and crystalline chromia II. Structural dependence of selective and non-selective reactions." Applied Catalysis A: General 90, no. 2 (1992): 183–97. http://dx.doi.org/10.1016/0926-860x(92)83008-k.

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38

Onyestyák, György. "Non-precious Metal Catalysts for Acetic Acid Reduction." Periodica Polytechnica Chemical Engineering 61, no. 4 (2017): 270. http://dx.doi.org/10.3311/ppch.10502.

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Acetic acid (AA) hydroconversion was studied over various monometallic (Fe, Co, Ni, Cu, Zn, Pt) and bimetallic (doped with In as second, guest metal) catalysts loaded on a highly mesoporous, fumed silica support. The transformations were investigated in a fixed bed, flow-through reactor in temperature range of 240-380°C using hydrogen flow at 21bar total pressure. The catalyst precursors were activated in H2 flow at 21bar and 450°C as routine pre-treatment. Catalytic performances of the studied metal catalysts have nothing in common. Activities and the yields of main products contrast striking
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39

LIU, Tong, Qinqin YU, Hui WANG, Xiaoyuan JIANG, and Xiaoming ZHENG. "Selective Catalytic Reduction of NO by CH4 in Combination of Non-thermal Plasma and Catalysts." CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION) 32, no. 9 (2014): 1502–7. http://dx.doi.org/10.3724/sp.j.1088.2011.10442.

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40

Caton, J. A., J. K. Narney, H. C. Cariappa, and W. R. Laster. "The selective non-catalytic reduction of nitric oxide using ammonia at up to 15% oxygen." Canadian Journal of Chemical Engineering 73, no. 3 (1995): 345–50. http://dx.doi.org/10.1002/cjce.5450730311.

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41

Fu, Shi-long, Qiang Song, Jun-shi Tang, and Qiang Yao. "Effect of CaO on the selective non-catalytic reduction deNO process: Experimental and kinetic study." Chemical Engineering Journal 249 (August 2014): 252–59. http://dx.doi.org/10.1016/j.cej.2014.03.102.

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42

Bae, Sang Wook, Seon Ah Roh, and Sang Done Kim. "NO removal by reducing agents and additives in the selective non-catalytic reduction (SNCR) process." Chemosphere 65, no. 1 (2006): 170–75. http://dx.doi.org/10.1016/j.chemosphere.2006.02.040.

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43

Mahmoudi, Shiva, Jan Baeyens, and Jonathan P. K. Seville. "NOx formation and selective non-catalytic reduction (SNCR) in a fluidized bed combustor of biomass." Biomass and Bioenergy 34, no. 9 (2010): 1393–409. http://dx.doi.org/10.1016/j.biombioe.2010.04.013.

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44

Masera, Kemal, and Abul K. Hossain. "Modified selective non-catalytic reduction system to reduce NOx gas emission in biodiesel powered engines." Fuel 298 (August 2021): 120826. http://dx.doi.org/10.1016/j.fuel.2021.120826.

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45

Gholami, Rahman, Cristina E. Stere, Alexandre Goguet, and Christopher Hardacre. "Non-thermal-plasma-activated de-NO x catalysis." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 376, no. 2110 (2017): 20170054. http://dx.doi.org/10.1098/rsta.2017.0054.

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The combination of non-thermal plasma (NTP) with catalyst systems as an alternative technology to remove NO x emissions in the exhaust of lean-burn stationary and mobile sources is reviewed. Several factors, such as low exhaust gas temperatures (below 300°C), low selectivity to N 2 and the presence of impurities, make current thermally activated technologies inefficient. Various hybrid plasma–catalyst systems have been examined and shown to have a synergistic effect on de-NO x efficiency when compared with NTP or catalyst-alone systems. The NTP is believed to form oxygenated species, such as a
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46

Marek, Vít, Lukáš Tunka, Adam Polcar, and Dušan Slimařík. "Reduction of NOx Emission of a Diesel Engine with a Multiple Injection Pump by SCR Catalytic Converter." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 64, no. 4 (2016): 1205–10. http://dx.doi.org/10.11118/actaun201664041205.

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This paper deals with reduction of NOx-emission of a diesel engine with multiple injection pump by SCR catalytic converter. Main aim of the measurement was the detection of SCR catalyst converter efficiency. Tests were realized at the Research and Development workplace of Zetor Tractor a.s. Used engine was equipped with a multiple injection pump with electromagnetic regulator of a fuel charge. During the experiment selective catalytic reduction and diesel particulate filter were used as an after treatment of harmful pollutants reduction. Testing cycle of the eight-point test was chosen and Non
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47

Saramok, Magdalena, Agnieszka Szymaszek, Marek Inger, Katarzyna Antoniak-Jurak, Bogdan Samojeden, and Monika Motak. "Modified Zeolite Catalyst for a NOx Selective Catalytic Reduction Process in Nitric Acid Plants." Catalysts 11, no. 4 (2021): 450. http://dx.doi.org/10.3390/catal11040450.

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Natural zeolite of the heulandite-type framework was modified with iron and tested as a catalyst for the selective catalytic reduction of nitrogen oxides with ammonia (NH3-SCR) in the temperature range of 150–450 °C. The catalyst was prepared at a laboratory scale in a powder form and then the series of experiments of its shaping into tablets was conducted. Physicochemical studies of the catalyst (N2 sorption at −196 °C, FT-IR, XRD, UV-vis) were performed to determine the textural and structural properties and identify the surface functional groups, the crystalline structure of the catalysts a
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48

Fan, Weiyi, Tianle Zhu, Yifei Sun, and Dong Lv. "Effects of gas compositions on NOx reduction by selective non-catalytic reduction with ammonia in a simulated cement precalciner atmosphere." Chemosphere 113 (October 2014): 182–87. http://dx.doi.org/10.1016/j.chemosphere.2014.05.034.

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49

Shi, Jian-Wen, Yao Wang, Ruibin Duan, et al. "The synergistic effects between Ce and Cu in CuyCe1−yW5Ox catalysts for enhanced NH3-SCR of NOx and SO2 tolerance." Catalysis Science & Technology 9, no. 3 (2019): 718–30. http://dx.doi.org/10.1039/c8cy01949e.

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50

Park, Poong-Mo, Young-Kwon Park, and Jong-In Dong. "Reaction Characteristics of NOx and N2O in Selective Non-Catalytic Reduction Using Various Reducing Agents and Additives." Atmosphere 12, no. 9 (2021): 1175. http://dx.doi.org/10.3390/atmos12091175.

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Artificial nitrogen oxide (NOx) emissions due to the combustion of fossil fuels constitute more than 75% of the total NOx emissions. Given the continuous reinforcement of NOx emission standards worldwide, the development of environmentally and economically friendly NOx reduction techniques has attracted much attention. This study investigates the selective non-catalytic reduction (SNCR) of NOx by methane, ammonia, and urea in the presence of sodium carbonate and methanol and the concomitant generation of N2O. In addition, the SNCR mechanism is explored using a chemical modeling software (CHEMK
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