Resource Type

Journal Article 1692

Conference Videos 61

Conference Information 8

Year

2024 3

2023 211

2022 243

2021 252

2020 145

2019 88

2018 62

2017 84

2016 68

2015 77

2014 69

2013 74

2012 46

2011 40

2010 59

2009 47

2008 42

2007 60

2006 11

2005 7

open ︾

Keywords

SARS-CoV-2 33

COVID-19 25

3D printing 21

CO2 capture 19

2 18

TiO2 14

1 11

photocatalysis 11

Deep learning 10

CO2 9

Photocatalysis 8

CO2 emissions 7

Al2O3 6

Reinforcement learning 6

adsorption 6

Additive manufacturing 5

CO oxidation 5

Machine learning 5

biomass 5

open ︾

Search scope:

排序： Display mode:

CO2 methanation and co-methanation of CO and CO2 over Mn-promoted Ni/Al2O3 catalysts

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: The effect of the Mn content on the activity of the Ni/Al O catalysts for CO methanation and the co-methanationof CO and CO in a fixed-bed reactor was investigated.CO methanation activity especially at low temperatures but it had little influence on the CO methanationCO methanation was more sensitive to the reaction temperature and the space velocity than the CO methanationin the co-methanation process.

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

HTML PDF Collect

Comparison study on strategies to prepare nanocrystalline Li

Qiang XIAO, Xiaodan TANG, Yefeng LIU, Yijun ZHONG, Weidong ZHU

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 297-302 doi: 10.1007/s11705-013-1346-1

Abstract: comparison study has been conducted on the strategies for synthesizing nanocrystalline Li ZrO and K-dopedLi ZrO absorbents for CO capture at high temperatures, including solid-state and liquid-phase methodscapacity, of synthesized absorbents were investigated by thermogravimetric analysis (TGA) at different COThe doping of K into Li ZrO can significantly improve the uptake rate of CO , especially at low COFor the synthesis of K-doped Li ZrO , the citrate route has poor reproducibility and scalability, whereas

Keywords： CO2 capture     Li2ZrO3     K-doped Li2ZrO3     citrate     starch    

HTML PDF Collect

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: In this study, a Co3O4–CeO2 composite oxide catalyst was successfullyprepared through ultrasound-assisted co-precipitation.3+/Co2+ and Ce4+/Ce3+ redox pairs, than bulk CeO2 and/or Co3O4.3O4–CeO2.

Keywords： Co3O4–CeO2 composite oxides     cyclohexanone     cyclohexanol     ultrasonic-assistedco-precipitation     selective oxidation     solvent-free    

HTML PDF Collect

Al2O3 and CeO2-promoted MgO sorbents for CO2 capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 83-93 doi: 10.1007/s11705-017-1691-6

Abstract: A series of Al O and CeO modified MgO sorbents was prepared and studied for CO sorption at moderateThe CO sorption capacity of MgO was enhanced with the addition of either Al O or CeO .Over Al O -MgO sorbents, the best capacity of 24.6 mg-CO /g-sorbent was attained at 100 °C, which was61% higher than that of MgO (15.3 mg-CO /g-sorbent).Compared to Al O , CeO is more effective for promoting the CO capacity of MgO.

Keywords： CO2 capture     MgO sorbents     Al2O3     CeO2     flue gas    

HTML PDF Collect

A CO and CO

Guoxing Chen, Marc Widenmeyer, Binjie Tang, Louise Kaeswurm, Ling Wang, Armin Feldhoff, Anke Weidenkaff

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 405-414 doi: 10.1007/s11705-019-1886-0

Abstract: A series of novel dense mixed conducting ceramic membranes based on K NiF -type (La Ca ) (Ni Cu )OTheir chemical compatibility, oxygen permeability, CO and CO tolerance, and long-term CO resistanceA constant oxygen permeation flux of about 0.63 mL·min ·cm at 1173 K through a 0.65 mm thick membranein presence of CO for 4 h at high temperature.In addition, this membrane did not deteriorate in a high-energy CO plasma.

Keywords： K2NiF4 structure     oxygen permeation membrane     CO2 and CO resistances     CO2 plasma resistance     long-term robustness    

HTML PDF Collect

Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 395-400 doi: 10.1007/s11709-008-0046-2

Abstract: Based on accelerated carbonation test, 1D, 2D and 3D carbonation of high performance concrete with differentThe interaction coefficients of 2D and 3D carbonation are defined.The experiments indicate that 2D and 3D carbonation have obvious interaction.The mathematical model of 2D and 3D carbonation life prediction based on Fick scattering law can be solvedThe life prediction of concrete of Sutong Bridge beam shows that the 1D, 2D, 3D carbonation prediction
HTML PDF Collect

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: 2 to CO/CH3OH products.The Cu–Ce–Zr catalyst with 2 wt% Ce loading shows higher CO selectivity (SCO = 0.0%The solid solution enhances the CO2 adsorption ability.Hence, the Cu–Ce–Zr catalyst with 8 wt% Ce loading favors CH3OH selectivity and CO22 hydrogenation to CH3OH.

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

HTML PDF Collect

Test of and evaluation on elevation of coalbed methane recovery ratio by injecting and burying CO2 for 3# coal seam of north section of Shizhuang, Qingshui Basin, Shanxi

Ye Jianping,Zhang Bing,Sam Wong

Strategic Study of CAE 2012, Volume 14, Issue 2,   Pages 38-44

Abstract: Section, Shizhuang, South Qingshui Basin, methane extraction technology by deep coalbed injection of CO2Under pressure lower than rupturing pressure for coal seam, 20 of CO2 can be injected smoothly dailyAfter injection of CO2, the coal rock swells and the local coal seam get less penetration ratio, whichThe total replacement ratio of hydrocarbon gas reaches 14.18 cm3/g within the scope influenced by CO2The test result proves that extraction of coalbed methane by CO2 injection can realize burial of CO2

Keywords： Qingshui Basin     Shanxi     CO2 injection     coalbed methane     recovery ratio    

HTML PDF Collect

A state-of-the-art review of solar passive building system for heating or cooling purpose

Arun Kumar NANDA,C K PANIGRAHI

Frontiers in Energy 2016, Volume 10, Issue 3,   Pages 347-354 doi: 10.1007/s11708-016-0403-0

Abstract: The major portion of energy in a building is consumed by heating, ventilating, and air-conditioning (HVAC). The traditional heating and cooling systems contribute greatly to the emission of greenhouse gases, especially carbon dioxide. Four different ways, i.e., Trombe wall, solar chimney, unglazed transpired solar façade, and solar roof, are adopted for solar heating. Similarly, two major ways, i.e., evaporative cooling and building integrated evaporative cooling are adopted for cooling of the building. Therefore, an attempt has been made in this paper to compile the developments of solar heating and cooling technologies in a building.

Keywords： HVAC     heating     cooling     solar heating     carbon dioxide (CO2) emissions    

HTML PDF Collect

Xiao Ke Qing improves glycometabolism and ameliorates insulin resistance by regulating the PI3K/Akt pathway

Xiaoqing Li, Xinxin Li, Genbei Wang, Yan Xu, Yuanyuan Wang, Ruijia Hao, Xiaohui Ma

Frontiers of Medicine 2018, Volume 12, Issue 6,   Pages 688-696 doi: 10.1007/s11684-018-0662-8

Abstract:

Xiao Ke Qing (XKQ) granule has been clinically used to treat type 2 diabetes mellitus (T2DM) for 10Moreover, XKQ can ameliorate insulin resistance and upregulate the expression of IRS-1, PI3K (p85), p-AktXKQ is an effective drug for T2DM by ameliorating insulin resistance and regulating the PI3K/Akt signaling

Keywords： XKQ     type 2 diabetes mellitus     KKAy mice     PI3K/Akt pathway     diabetic liver disease    

HTML PDF Collect

Mass Transfer-Promoted Fe2+/Fe3+ Circulation Steered by 3D Flow-Through Co-Catalyst System Toward Sustainable

Weiyang Lv,Hao Li,Jinhui Wang,Lixin Wang,Zenglong Wu,Yuge Wang,Wenkai Song,Wenkai Cheng,Yuyuan Yao,

Engineering doi: 10.1016/j.eng.2023.06.010

Abstract: However, current AOPs assisted by co-catalysts still suffer from the poor mass/electron transfer andnon-durable promotion effect, giving rise to the sluggish Fe2+/Fe3+ cycle and lowHerein, we present a three-dimensional (3D) macroscale co-catalyst functionalized with MoS2 to achieve ultra-efficient Fe2+ regeneration (equilibrium Fe2+ ratio of 82.4%experiments and computational fluid dynamics simulations demonstrate that the optimal utilization of the 3D

Keywords： Advanced oxidation processes     3D co-catalyst     Flow-through mode     Enhanced mass transfer     Complex wastewater    

HTML PDF Collect

Catalytic performance of Co-Mo-Ce-K/γ-Al

Yuqiong ZHAO, Yongfa ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 457-460 doi: 10.1007/s11705-010-0524-7

Abstract: The catalytic performance of Co-Mo-Ce-K/γ-Al O catalyst for the shift reaction of CO in coke oven gasThe results indicate that Ce and K have a synergistic effect on promoting the catalytic activity, andthe Co-Mo-Ce-K/γ-Al O catalyst with 3.0 wt-% CeO and 6.0 wt-% K O exhibits the highest activity.CeO favors Co dispersion and mainly produces an electronic effect.TPR characterization results indicate that the addition of CeO -K O in the Co-Mo-Ce-K/γ-Al O catalyst

Keywords： coke oven gas     water gas shift reaction     sulfur-tolerant catalyst     cerium dioxide    

HTML PDF Collect

Fe - Ni - Co - Al2O3 Cermets Inert Anode for Aluminum Electrolysis

Qiu Zhuxian,Shi Zhongning,Xu Junli

Strategic Study of CAE 2004, Volume 6, Issue 8,   Pages 35-39

Abstract: The cell was built with a graphite cathode of 120 mm×40 mm×20 mm and a Fe - Ni - Co -Al2O3 cermet inert anode of 120 mm×80 mm×15 mm.The purity of aluminum metal produced was 98%〜99%, the impurities were mainly Fe, Ni and Co.The anode gas consisted of 98%〜99% O2 which was analyzed with an Orsat apparatus./sub>O3 in the bath and the anode used was inert.

Keywords： aluminum electrolysis     inert anode     back EMF value    

HTML PDF Collect

On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1741-1754 doi: 10.1007/s11705-023-2332-x

Abstract: Based on monolayer dispersion theory, Co3O4/ZSM-5 catalysts with different loadingsCo3O4 can spontaneously disperse on HZSM-5 support with a monolayer dispersionHowever, the formation of crystalline Co3O4 above the capacity is harmful to theIt is proposed the optimal Co3O4/ZSM-5 catalyst can be prepared by loading thecapacity amount of Co3O4 onto HZSM-5 support.

Keywords： Co3O4/ZSM-5     NOx-SCR by NH3     monolayer dispersionthreshold effect     surface acid sites     surface active O2– anions    

HTML PDF Collect

A Novel Hierarchically Lightweight Porous Carbon Derived from Egg White for Strong Microwave Absorption Article

Zonglin Liu, Xu Zhao, Liangliang Xu, Qingyu Peng, Xiaodong He

Engineering 2022, Volume 18, Issue 11,   Pages 161-172 doi: 10.1016/j.eng.2022.04.026

Abstract:

Egg custard is a common dish on the dining table and exhibits a uniform porous structure after freeze-drying. The protein within egg custard is a rich source of carbon and nitrogen, and the custard's unique microstructure and adjustable electrical properties make it a potential porous carbon precursor. Herein, nitrogen in situ doped porous carbons (NPCs) and potassium-carbonate-modified NPCs (PNPCs) are obtained through a simple gelation and carbonization process using egg white as the raw material. The unique morphologies of the porous carbon are inherited from the protein and include fibrous clusters, honeycomb holes, and a grooved skeleton. Their excellent impedance matching and effective internal loss make the obtained porous carbons good candidates for lightweight electromagnetic (EM) wave absorbers without the need to dope with metal elements. As a representative porous carbon, PNPC10-700 has multiple structures, including fibrous clusters, honeycomb holes, and a porous skeleton. Moreover, it achieves a maximum reflection loss value of −66.15 dB (with a thickness of 3.77 mm) and a broad effective absorption bandwidth of 5.82 GHz (from 12.18 to 18.00 GHz, with a thickness of 2.5 mm), which surpasses the reported values in most of the literature. Thus, gelation combined with the further carbonization of egg white (protein) is a new method for designing the morphology and EM properties of porous carbon absorbers.

Keywords： Microwave absorption     Porous carbon     Biomass     K2CO3    

HTML PDF Collect

Title Author Date Type Operation

CO2 methanation and co-methanation of CO and CO2 over Mn-promoted Ni/Al2O3 catalysts

Kechao Zhao,Zhenhua Li,Li Bian

Journal Article

Comparison study on strategies to prepare nanocrystalline Li

Qiang XIAO, Xiaodan TANG, Yefeng LIU, Yijun ZHONG, Weidong ZHU

Journal Article

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Journal Article

Al2O3 and CeO2-promoted MgO sorbents for CO2 capture at moderate

Huimei Yu, Xiaoxing Wang, Zhu Shu, Mamoru Fujii, Chunshan Song

Journal Article

A CO and CO

Guoxing Chen, Marc Widenmeyer, Binjie Tang, Louise Kaeswurm, Ling Wang, Armin Feldhoff, Anke Weidenkaff

Journal Article

Carbonation depth prediction of fly ash concrete subjected to 2- and 3-dimensional CO attack

CHEN Shudong, SUN Wei, ZHANG Yunsheng, GUO Fei

Journal Article

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

Journal Article

Test of and evaluation on elevation of coalbed methane recovery ratio by injecting and burying CO2 for 3# coal seam of north section of Shizhuang, Qingshui Basin, Shanxi

Ye Jianping,Zhang Bing,Sam Wong

Journal Article

A state-of-the-art review of solar passive building system for heating or cooling purpose

Arun Kumar NANDA,C K PANIGRAHI

Journal Article

Xiao Ke Qing improves glycometabolism and ameliorates insulin resistance by regulating the PI3K/Akt pathway

Xiaoqing Li, Xinxin Li, Genbei Wang, Yan Xu, Yuanyuan Wang, Ruijia Hao, Xiaohui Ma

Journal Article

Mass Transfer-Promoted Fe2+/Fe3+ Circulation Steered by 3D Flow-Through Co-Catalyst System Toward Sustainable

Weiyang Lv,Hao Li,Jinhui Wang,Lixin Wang,Zenglong Wu,Yuge Wang,Wenkai Song,Wenkai Cheng,Yuyuan Yao,

Journal Article

Catalytic performance of Co-Mo-Ce-K/γ-Al

Yuqiong ZHAO, Yongfa ZHANG

Journal Article

Fe - Ni - Co - Al2O3 Cermets Inert Anode for Aluminum Electrolysis

Qiu Zhuxian,Shi Zhongning,Xu Junli

Journal Article

On the monolayer dispersion behavior of Co3O4 on HZSM-5 support: designing applicable

Journal Article

A Novel Hierarchically Lightweight Porous Carbon Derived from Egg White for Strong Microwave Absorption

Zonglin Liu, Xu Zhao, Liangliang Xu, Qingyu Peng, Xiaodong He

Journal Article