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Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 266-270 doi: 10.1007/s11705-007-0048-y

Abstract: model of the pozzolanic reaction for the preparation of flue gas desulfurizers from fly ash and Ca(OH

Keywords： comparison     calculated     pozzolanic reaction     precision     preparation    

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Laboratory study on high-temperature adsorption of HCl by dry-injection of Ca(OH)

Junjun TAN,Guohua YANG,Jingqiao MAO,Huichao DAI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 863-870 doi: 10.1007/s11783-013-0618-9

Abstract: / (Cl)molar ratios of 1.0–5.0 using the silver nitrate titration method by dry adsorbent powders Ca(OH

Keywords： acid gas HCl     Ca(OH)2     dry adsorption     high temperature     dual-layer granular bed filter    

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β-Nickel hydroxide cathode material for nano-suspension redox flow batteries

Yue LI, Cheng HE, Elena V. TIMOFEEVA, Yujia DING, Javier PARRONDO, Carlo SEGRE, Vijay RAMANI

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 401-409 doi: 10.1007/s11708-017-0496-0

Abstract: (OH) nanoparticles as the cathode material, nano-sized β-Ni(OH) particles with well-controlled particleThe XRD patterns confirmed that β-Ni(OH) was successfully synthesized, while SEM results showed thatTo ensure that Ni(OH) could be employed in the nano-suspension flow battery, the electrochemical performanceof the synthesized β-Ni(OH) was initially tested in pouch cells through charge/discharge cycling.(OH) and g-NiOOH in the electrode in the discharged state was 71:29.

Keywords： nano-suspension flow battery     β-Ni(OH)2     scanning electronic microscopy (SEM)     X-ray diffraction    

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Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Frontiers of Chemical Science and Engineering   Pages 1659-1671 doi: 10.1007/s11705-022-2173-z

Abstract: For decades, distiller waste and CO2 were not the first choice for production of high valuedWhen 2.5 L·min–1·L–1 CO2 was flowed into distiller waste (pH = 11.4), spheres with 4–13 μm diameters and about 2 μm shell thickness were obtained.Firstly, the Ca(OH)2 in the distiller waste stimulated the nucleation of calcite with a non-templateFinally, the flow process for absorption of CO2 by distiller waste was designed and found

Keywords： distiller waste     CO2     hollow microsphere     CaCO3     Ca(OH)2     inside−out    

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Stability of Ni/SiO

Bettina Stolze,Juliane Titus,Stephan A. Schunk,Andrian Milanov,Ekkehard Schwab,Roger Gläser

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 281-293 doi: 10.1007/s11705-016-1568-0

Abstract: Ni/SiO -ZrO catalysts with Ni loadings of 1 to 13 wt-% were prepared, characterized by elemental analysisThe catalyst with 5 wt-% Ni loading in its fully reduced state is stable over 15?The Ni loading of 5 wt-% on SiO -ZrO was shown to provide an optimal balance between activity and coking

Keywords： Ni/SiO2-ZrO2     synthesis gas     dry reforming     coking     steaming    

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Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 710-720 doi: 10.1007/s11708-021-0764-x

Abstract: activity of the InP-based catalyst are effectively enhanced by applying an anti-corrosion SnO layer and In(OHThe obtained Pt/SnO/In(OH)3/InP exhibits a hydrogen production rate of 144.42 µmol/g in 3illumination in multi-cycle tests without remarkable decay, 123 times higher than that of naked In(OH

Keywords： SnO/In(OH)3/InP photocatalyst     enhanced activity and stability for water splitting     corrosion    

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Antioxidative potential of metformin: Possible protective mechanism against generating OH radicals

Huibin Guo, Ning Wang, Xiang Li

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1313-2

Abstract: Abstract • Metformin consumes O2−• and OH• induced by PM are proposed. • OH• dominated the oxidationof metformin compared with O2−• • Metformin can prevent the harm of ROS induced by PM to human healthMoreover, the OH radical content decreased as the metformin concentration increased.because the initiation reaction has a high barrier, the oxidation reaction rate between metformin and •O2−and •O2−, thereby providing health protection.

Keywords： Antioxidative potential     Metformin     Mechanism     OH radical     Health protection.    

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Catalytic hydrolysis of gaseous HCN over Cu–Ni/γ-Al

Linxia Yan, Senlin Tian, Jian Zhou, Xin Yuan

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0872-8

Abstract: The Cu–Ni/γ-Al O catalyst was prepared to study HCN hydrolysis ?decompose efficiently hydrogen cyanide (HCN) in exhaust gas, g-Al O -supported bimetallic-based Cu–Nivolume ratio, reaction temperature, and the presence of CO or O on the HCN removal efficiency on the Cu–Ni

Keywords： Hydrogen cyanide     Cu–Ni/g-Al2O3     Catalytic hydrolysis    

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Effects of MgO promoter on properties of Ni/Al2O3 catalysts for partial oxidation of methane to syngas

QIU Yejun, CHEN Jixiang, ZHANG Jiyan

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 167-171 doi: 10.1007/s11705-007-0031-7

Abstract: The effects of MgO promoter on the physico-chemical properties and catalytic performance of Ni/AlO catalyststhe reversed water gas shift reaction, which led to an increase in CO selectivity and a decrease in H2The suitable content of MgO promoter in Ni/AlO catalyst was ?7 wt-%.

Keywords： excessive     selectivity     decrease     dispersiveness     physico-chemical    

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The kinetic study of light alkene syntheses by CO 2 hydrogenation over Fe-Ni catalysts

Yaling ZHAO, Li WANG, Xiwei HAO, Jiazhou WU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2,   Pages 153-162 doi: 10.1007/s11705-009-0241-2

Abstract: A kinetics model of CO hydrogenation over iron-nickel catalysts was developed based on the detailed mechanism of alkenes re-adsorption and secondary reaction. The corresponding kinetical experiments are conducted in a continuous fixed bed reactor. The effect of reaction conditions on catalyst performance was analyzed according to the results of orthogonal experiments. The results of the experiments show that more methane in products can be obtained with iron-nickel catalysts, the trend of which is consistent with the thermodynamic analysis. However, the content of alkenes in products is equivalent with that of alkanes. This shows that the reaction is controlled by kinetics. In all, the results of the experiments also substantiate that the model can give a good representation of the reaction mechanism of CO hydrogenation over iron-nickel catalysts. The parameters of this model give a better explanation for the question why the iron-nickel catalysts have a higher selectivity toward alkenes compared with other iron-based catalysts.

Keywords： representation     corresponding     orthogonal     thermodynamic     consistent    

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CO2 methanation and co-methanation of CO and CO2 over Mn-promoted Ni/Al2

Kechao Zhao,Zhenhua Li,Li Bian

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 273-280 doi: 10.1007/s11705-016-1563-5

Abstract: A series of Mn-promoted 15 wt-% Ni/Al O catalysts were prepared by an incipient wetness impregnationThe presence of Mn increased the number of CO adsorption sites and inhibited Ni particle agglomerationdue to improved Ni dispersion and weakened interactions between the nickel species and the support.Mn content was varied from 0.86% to 2.54% and the best CO conversion was achieved with the 1.71Mn-NiThe co-methanation tests on the 1.71Mn-Ni/Al O catalyst indicated that adding Mn markedly enhanced the

Keywords： Mn promotion     nickel catalysts     CO2 methanation     co-methanation of CO and CO2    

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Corrosion behavior of Fe–Cr–Ni based alloys exposed to molten MgCl2–KCl–NaCl salt with over-added

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1608-1619 doi: 10.1007/s11705-023-2349-1

Abstract: MgCl2–NaCl–KCl salts mixture shows great potential as a high-temperature (> 700 °C) thermalAdding Mg into molten MgCl2–NaCl–KCl salt as a corrosion inhibitor is one of the most effectiveand cost-effective methods to mitigate the molten salt corrosion of commercial Fe–Cr–Ni alloys.Microscopic analysis indicates that Ni preferentially leaches out of alloy matrix due to the tendencyto form MgNi2/Mg2Ni compounds.

Keywords： concentrated solar power (CSP)     Mg corrosion inhibitor     Mg–Ni intermetallic     salt purification     thermal    

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An investigation of the CHOH and CO selectivity of CO hydrogenation over Cu–Ce–Zr catalysts

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 950-962 doi: 10.1007/s11705-022-2162-2

Abstract: /sub> to CO/CH3OH products./mml:mn> = 5.4%–15.6%) and CH3OHfurther hydrogenation of intermediate species to CH3OH and improving the hydrogenation rateHence, the Cu–Ce–Zr catalyst with 8 wt% Ce loading favors CH3OH selectivity and CO2 hydrogenation to CH3OH.

Keywords： CO2 hydrogenation     Cu–Ce–Zr     hydroxyls     CO/CH3OH selectivity    

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ADT-OH improves intestinal barrier function and remodels the gut microbiota in DSS-induced colitis

Frontiers of Medicine   Pages 972-992 doi: 10.1007/s11684-023-0990-1

Abstract: Hydrogen sulfide (H2S) is an endogenous gasotransmitter and plays an important role in inflammationTo date, H2S-releasing agents are viewed as potential anti-inflammatory drugs.The slow-releasing H2S donor 5-(4-hydroxyphenyl)-3H-1,2-dithiole-3-thione (ADT-OH), knownMoreover, ADT-OH reduced intestinal inflammation by suppressing the nuclear factor kappa-B pathway.Transplanting ADT-OH-modulated microbiota can alleviate DSS-induced colitis and negatively regulate the

Keywords： inflammatory bowel disease     ADT-OH     intestinal permeability     gut microbiota    

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Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 591-595 doi: 10.1007/s11783-014-0694-5

Abstract: efficiency, indicating that the degradation of Reactive Red X-3B followed the mechanism of hydroxyl radical (OHinfluence on the degradation efficiency, mainly attributing to facilitate the ozone decomposition and OH

Keywords： catalytic ozonation     reactive red X-3B     ceramic honeycomb     hydroxyl radical (OH·)    

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Title Author Date Type Operation

Kinetics of pozzolanic reaction for preparation of flue gas desulfurizer from fly ash and Ca(OH)2

WANG Jingang, HU Jinbang, WANG Daobin, DUAN Zhenya

Journal Article

Laboratory study on high-temperature adsorption of HCl by dry-injection of Ca(OH)

Junjun TAN,Guohua YANG,Jingqiao MAO,Huichao DAI

Journal Article

β-Nickel hydroxide cathode material for nano-suspension redox flow batteries

Yue LI, Cheng HE, Elena V. TIMOFEEVA, Yujia DING, Javier PARRONDO, Carlo SEGRE, Vijay RAMANI

Journal Article

Formation of CaCO hollow microspheres in carbonated distiller waste from Solvay soda ash plants

Journal Article

Stability of Ni/SiO

Bettina Stolze,Juliane Titus,Stephan A. Schunk,Andrian Milanov,Ekkehard Schwab,Roger Gläser

Journal Article

Generation of enhanced stability of SnO/In(OH)/InP for photocatalytic water splitting by SnO protection

Journal Article

Antioxidative potential of metformin: Possible protective mechanism against generating OH radicals

Huibin Guo, Ning Wang, Xiang Li

Journal Article

Catalytic hydrolysis of gaseous HCN over Cu–Ni/γ-Al

Linxia Yan, Senlin Tian, Jian Zhou, Xin Yuan

Journal Article

Effects of MgO promoter on properties of Ni/Al2O3 catalysts for partial oxidation of methane to syngas

QIU Yejun, CHEN Jixiang, ZHANG Jiyan

Journal Article

The kinetic study of light alkene syntheses by CO 2 hydrogenation over Fe-Ni catalysts

Yaling ZHAO, Li WANG, Xiwei HAO, Jiazhou WU,

Journal Article

CO2 methanation and co-methanation of CO and CO2 over Mn-promoted Ni/Al2

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

Corrosion behavior of Fe–Cr–Ni based alloys exposed to molten MgCl2–KCl–NaCl salt with over-added

Journal Article

An investigation of the CHOH and CO selectivity of CO hydrogenation over Cu–Ce–Zr catalysts

Journal Article

ADT-OH improves intestinal barrier function and remodels the gut microbiota in DSS-induced colitis

Journal Article

Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Journal Article