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NOx removal by non-thermal plasma reduction: experimental and theoretical investigations

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1476-1484 doi: 10.1007/s11705-022-2165-z

Abstract: mathvariant="normal">Ox removalmathvariant="normal">Ox removalmathvariant="normal">Ox removalmathvariant="normal">Ox removalResults indicate that anaerobic condition and higher discharge power is beneficial to direct removal

Keywords： ${\rm{NO}}_x $ removal     NTP reduction     mechanism     energy consumption    

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Study on the NOx release rule along the boiler during pulverized coal combustion

JIN Jing, ZHANG Zhongxiao, LI Ruiyang

Frontiers in Energy 2007, Volume 1, Issue 1,   Pages 91-95 doi: 10.1007/s11708-007-0009-7

Abstract: Numerical simulation and experimental study on NO release along the boiler during pulverized coal combustion have been conducted. With the increase of temperature the NO emission increased and the peak value of NO release moved forward. But when the temperature increased to a certain degree, NO emission began to reduce. NO emission increased with the increase of nitrogen content of coal. The peak value of NO release moved backwards with the increase of coal rank. NO emission increased obviously with the increase of stoichiometric ratio. There existed a critical average diameter of the pulverized coal (). If "d, NO emission reduced with the decrease of pulverized coal size. If >, NO emission reduced with the increase of the pulverized coal size. The results showed that the simulation results are in agreement with the experimental results for concentration distribution of NO along the axis of the furnace.
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Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 143-146 doi: 10.1007/s11783-007-0025-1

Abstract: A highly effective Ag-AlO catalyst was prepared using the sol-gel method, and characterized by surface area using nitrogen adsorption, scanning electron microscopy (SEM), and transmission electron microscopy (TEM) techniques. The catalyst performance was tested on a real lean-burn gasoline engine. Only unburned hydrocarbons and carbon monoxide in the exhaust were directly used as reductant (without any external reductant), the maximum NO conversion could only reach 40% at 450?C. When an external reductant, ethanol was added, the average NO conversion was greater than 60%. At exhaust gas temperature range of 350 500?C, the maximum NO conversion reached about 90%. CO and HC could be efficiently oxidized with Pt-AO oxidation catalyst placed at the end of SCR converter. However, NO conversion drastically decreased because of the oxidation of some intermediates to NO again. The possible reaction mechanism was proposed as two typical processes, nitration, and reduction in HC-SCR over Ag-AlO.

Keywords： lean-burn gasoline     external reductant     nitrogen adsorption     conversion     catalyst performance    

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Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 310-316 doi: 10.1007/s11705-007-0057-x

Abstract: In this paper, the removal of trace carbon dioxide from closed spaces through membrane process and biotransformationIt is found that higher CO removal efficiency can be obtained in biotransformation and membrane process

Keywords： removal efficiency     consumption     removal     CO removal     membrane microalgae    

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Removal of SO

Xiaolei LI, Chunying ZHU, Youguang MA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 2,   Pages 185-191 doi: 10.1007/s11705-013-1326-5

Abstract: In this work, the removal of SO from gas mixture with air and SO by ammonium bicarbonate aqueous solutionconcentration of ammonium bicarbonate, the SO inlet concentration of gas phase and the gas flow rate on the removalshorter the lasting time of SO completely removed in gas outlet, and then the faster the decrease in the removalsolution pH was less than the critical pH, it would sharply fall, resulting in a rapid decrease of the SO removalA theoretical model for predicting the SO removal rate has been developed by taking the chemical enhancement

Keywords： SO2 removal     bubble column reactor     removal rate     ammonium bicarbonate     absorbent    

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Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1358-2

Abstract:

• Microbes enhance denitrification under varying DO concentrations and SIF dosages.

Keywords： Scrap iron filing     Nitrate removal     Phosphate removal     Mixed culture denitrification     Zero valent iron    

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Mercury removal from flue gas using nitrate as an electron acceptor in a membrane biofilm reactor

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1454-y

Abstract:

Membrane bioreactor achieved mercury removal using nitrate as an electron

Keywords： Mercury removal     Oxygen     Ferrous sulfide     Transformation of mercury     Microbial community    

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Analysis of Flue Gas Pollutants Deep-removal Technology in Coal-fired Power Plants

Xiao-lu Zhang

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 336-340 doi: 10.15302/J-FEM-2014061

Abstract: Developing Flue Gas Pollutant Deep-removal Technology (DRT) for coal-fired power plants for deep-removingthe necessity and existing problems of developing DRT suitable for China, this study focused on PM removalFinally, the flue gas pollutant removal system at a 2×660MW supercritical power plant was introduced,

Keywords： Coal-fired power plant     flue gas pollutants     deep-removal     PM2.5 removal    

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of magnetic multi-template molecularly imprinted polymer composite for the selective and efficient removal

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1395-5

Abstract:

• Magnetic multi-template molecularly imprinted polymer composite was synthesized.

Keywords： Tetracyclines     Removal     Adsorption     Molecularly imprinted polymer     Magnetic graphene oxide    

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Preparation and selection of Fe-Cu sorbent for COS removal in syngas

Bowu CHENG, Zhaofei CAO, Yong BAI, Dexiang ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 441-444 doi: 10.1007/s11705-010-0507-8

Abstract: with iron trioxide hydrate, cupric oxide by a novel method was studied in a fixed-bed reactor for COS removalAt 700 K and space velocity of 1000 h , the efficiency of sulfur removal and breakthrough sulfur capacity

Keywords： sorbent     desulfurization     COS removal     syngas    

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Phosphorous removal from wastewater by lanthanum modified Y zeolites

Weikang ZHANG, Ye TIAN

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 209-215 doi: 10.1007/s11705-014-1448-4

Abstract: zeolite to remove phosphate increased as the La/Y zeolite mass ratio increased and after 4 h, a phosphate removal

Keywords： phosphate removal     wastewater     lanthanum     impregnation     Y zeolites    

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Simultaneous enhanced ammonia and nitrate removal from secondary effluent in constructed wetlands using

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1807-4

Abstract: ListItem>

● MnO2/PCL composite material (MPCM) enhances ammonia and nitrate removal

Keywords： Constructed wetland     Nitrogen removal     Manganese redox     Polycaprolactone     Nitrous oxide    

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Hongshiyan Landslide Dam Danger Removal and Coordinated Management

Ning Liu

Frontiers of Engineering Management 2014, Volume 1, Issue 3,   Pages 308-317 doi: 10.15302/J-FEM-2014041

Abstract: triggered by an earthquake near Ludian County in Zhaotong City, Yunnan Province, introduces how the danger removal

Keywords： the Zhaotong Ludian earthquake     danger removal of the landslide dam     coordinated management    

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Enhanced nutrients removal from municipal wastewater through biological phosphorus removal followed by

Yandong Yang,Liang Zhang,Hedong Shao,Shujun Zhang,Pengchao Gu,Yongzhen Peng

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0911-0

Abstract: EBPR and PN/A were combined to enhance nutrients removal from municipal wastewater.Phosphorus and nitrogen removal was achieved in two separated units.A proper post-anoxic phase improved the nitrogen removal performance of PN/A unit.In this study, a new alternative consisting of enhanced biological phosphorus removal (EBPR) followedA maximum of nitrogen removal rate of 0.12 kg N?m ?d was finally achieved.

Keywords： Phosphorus removal     Partial nitrification     Anammox     Municipal wastewater    

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Title Author Date Type Operation

NOx removal by non-thermal plasma reduction: experimental and theoretical investigations

Journal Article

Study on the NOx release rule along the boiler during pulverized coal combustion

JIN Jing, ZHANG Zhongxiao, LI Ruiyang

Journal Article

Selective catalytic reduction of NOx from exhaust of lean-burn engine over Ag-Al2O3/cordierite catalyst

LI Junhua, KANG Shoufang, FU Lixin, HAO Jiming

Journal Article

Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Journal Article

Removal of SO

Xiaolei LI, Chunying ZHU, Youguang MA

Journal Article

Scrap Iron Filings assisted nitrate and phosphate removal in low C/N waters using mixed microbial culture

Journal Article

Mercury removal from flue gas using nitrate as an electron acceptor in a membrane biofilm reactor

Journal Article

Analysis of Flue Gas Pollutants Deep-removal Technology in Coal-fired Power Plants

Xiao-lu Zhang

Journal Article

of magnetic multi-template molecularly imprinted polymer composite for the selective and efficient removal

Journal Article

Preparation and selection of Fe-Cu sorbent for COS removal in syngas

Bowu CHENG, Zhaofei CAO, Yong BAI, Dexiang ZHANG

Journal Article

Phosphorous removal from wastewater by lanthanum modified Y zeolites

Weikang ZHANG, Ye TIAN

Journal Article

Simultaneous enhanced ammonia and nitrate removal from secondary effluent in constructed wetlands using

Journal Article

Hongshiyan Landslide Dam Danger Removal and Coordinated Management

Ning Liu

Journal Article

Enhanced nutrients removal from municipal wastewater through biological phosphorus removal followed by

Yandong Yang,Liang Zhang,Hedong Shao,Shujun Zhang,Pengchao Gu,Yongzhen Peng

Journal Article

Han Huang: Deformation and Removal of Semiconductor and Laser Crystals at Extremely Small Scales（2019.10.10

23 Apr 2021

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