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Adsorption of fluoride on clay minerals and their mechanisms using X-ray photoelectron spectroscopy

Junyi DU, Daishe WU, Huayun XIAO, Ping LI

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 212-226 doi: 10.1007/s11783-010-0255-5

Abstract: reaction times by probing their fluoride superficial layer binding energies and element compositions using X-rayphotoelectron spectroscopy (XPS).

Keywords： clay mineral     fluoride (F)     adsorption mechanism     X-ray photoelectron spectroscopy (XPS)    

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Electrochemical performance of thermally-grown SiO

X. D. HUANG, X. F. GAN, Q. A. HUANG, J. Z. YANG

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 225-232 doi: 10.1007/s11708-018-0556-0

Abstract: feasibility of thermal SiO film as the barrier layer is investigated by electrochemical characterization and X-rayphotoelectron spectroscopy (XPS).

Keywords： autonomous micro system     direct integration     barrier layer     thermal SiO2 film     X-ray photoelectronspectroscopy (XPS)    

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Application and mechanism of polysaccharide extracted from Enteromorpha to remove nano-ZnO and humic acid in coagulation process

Jianzhang Sun, Baoyu Gao, Yuanxia Luo, Moxi Xue, Xing Xu, Qinyan Yue, Yan Wang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1029-8

Abstract: Enteromorpha polysaccharide (Ep) extracted from alga a novel green coagulant aid for nanoparticles (NPs) and heavy metal ions removal and the structure of EP was intensively studied in this study. The integration of Ep with polyaluminum chloride (PAC-Ep) coagulants exhibited higher coagulation performance than that of the polyaluminum chloride (PAC) because of the negatively charged NPs suspension and humic aid (HA) solution. Significant high removal efficiencies of dissolved organic matter (94.1%), turbidity (99.3%) and Zn ions (69.3%) were achieved by the PAC-Ep coagulants. The dual-coagulation properties of PAC-Ep for different pollutants was based on multiple mechanisms, including (i) Al charge neutralization; (ii) hydroxy aluminum hydroxyl bridging formed polynuclearhydroxy complexes bridge and sweep colloidal particles; (iii) adsorption and bridging of Ep chain for the NPs and heavy metal ions. Results indicated that the destabilization of colloid was induced by the coexisting HA and higher removal was achieved as ions adsorption was enhance in the presence of HA complexation. On the basis of that, the extraction of polysaccharide is a promising candidate for its high coagulation performance in water treatment.

Keywords： polysaccharide     1H-13C nuclear magnetic resonance (NMR)     Fourier transform infrared (FTIR)     X-rayphotoelectron spectroscopy (XPS)     Coagulation mechanism    

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natural magnetite and siderite: Evidence from sorption kinetics, sequential extraction and extended X-rayabsorption fine-structure spectroscopy analysis

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1547-2

Abstract:

• DPAA sorption followed pseudo-secondary and intra-particle diffusion models.

Keywords： Diphenylarsinic acid (DPAA)     Sorption     Magnetite     Siderite     Sequential extraction     EXAFS    

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Design of efficient Pt-based electrocatalysts through characterization by X-ray absorption spectroscopy

Nebojsa S. MARINKOVIC, Kotaro SASAKI, Radoslav R. ADZIC

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 236-244 doi: 10.1007/s11708-017-0487-1

Abstract: A method is described to determine the internal structure of electrocatalyst nanoparticles by X-rayabsorption spectroscopy (XAS).spectroscopic technique typically utilizing synchrotron radiation as the source measures changes in the X-ray

Keywords： X-ray absorption spectroscopy     EXAFS     XANES     nanocatalysts     core shell    

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Establishing two-stage interaction between fly ash and NaOH by X-ray and infrared analyses

Bhagwanjee JHA,Nevin KOSHY,Devendra Narain SINGH

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 216-221 doi: 10.1007/s11783-014-0630-8

Abstract: been explored by several researchers and formation of fly ash zeolites has been confirmed based on the X-rayIn this situation, resorting to Fourier transform-infrared radiation (FT-IR) spectroscopy on the residuesBased on extensive studies, it has been demonstrated that FT-IR spectroscopy is extremely useful for

Keywords： hydrothermal treatment     alkali activation     fly ash zeolites     X-ray diffraction (XRD) and Fourier transform-infraredradiation (FT-IR) spectroscopy    

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Effect of particle size on coal char----NO reaction

Xiumin JIANG, Xiangyong HUANG, Jiaxun LIU, Chaoqun ZHANG

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 221-228 doi: 10.1007/s11708-011-0146-x

Abstract: Surface nitrogen complex formation upon reaction of coal char with NO at 600°C was studied by X-ray photoelectronspectroscopy.

Keywords： NO reduction     chemisorption     particle size     X-ray photoelectron spectroscopy     density functional theory (    

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A combined experimental and theoretical study of micronized coal reburning

Hai ZHANG, Jiaxun LIU, Jun SHEN, Xiumin JIANG

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 119-126 doi: 10.1007/s11708-012-0226-6

Abstract: Micronized coal reburning (MCR) can not only reduce carbon in fly ash but also reduce NO emissions as compared to the conventional coal reburning. However, it has two major kinetic barriers in minimizing NO emission. The first is the conversion of NO into hydrogen cyanide (HCN) by conjunction with various hydrocarbon fragments. The second is the oxidation of HCN by association with oxygen-containing groups. To elucidate the advantages of MCR, a combination of Diffuse Reflection Fourier Transform Infrared (FTIR) experimental studies with Density Functional Theory (DFT) theoretical calculations is conducted in terms of the second kinetic barrier. FTIR studies based on Chinese Tiefa coal show that there are five hydroxide groups such as OH-π, OH-N, OH-OR , self-associated OH and free OH. The hydroxide groups increase as the mean particle size decreases expect for free OH. DFT calculations at the B3LYP/6-31 G(d) level indicate that HCN can be oxidized by hydroxide groups in three paths, HCN+OH→HOCN+H (path 1), HCN+OH→HNCO+H (path 2), and HCN+OH→CN+H O (path 3). The rate limiting steps for path 1, path 2 and path 3 are IM2→P1+H (170.66 kJ/mol activated energy), IM1→IM3 (231.04 kJ/mol activated energy), and R1+OH→P3+H O (97.14 kJ/mol activated energy), respectively. The present study of MCR will provide insight into its lower NO emission and guidance for further studies.

Keywords： hydroxyl radicals     Fourier transform infrared spectroscopy (FTIR)     density functional theory (DFT)     homogeneousreaction mechanism     NOx    

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Factors influencing near infrared spectroscopy analysis of agro-products: a review

Xiao XU, Lijuan XIE, Yibin YING

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 2,   Pages 105-115 doi: 10.15302/J-FASE-2019255

Abstract:

The near infrared (NIR) spectroscopy technique has wide applications in agriculture with the advantages

Keywords： agro-product     error source     influence factor     near infrared spectroscopy    

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Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 43-71 doi: 10.1007/s11708-018-0524-8

Abstract: Vibrational spectroscopy is one of the key instrumentations that provide non-invasive investigation ofHowever, diffraction of light fundamentally limits the spatial resolution of far-field vibrational spectroscopythis article, we thoroughly review the integration of atomic force microscopy (AFM) with vibrational spectroscopyFor example, photothermal induced resonance (PTIR) spectroscopy methods measure a sample’s local thermalsuccessfully breech the diffraction limit of light to provide nanoscale spatial resolution of vibrational spectroscopy

Keywords： vibrational spectroscopy     atomic force microscopy     photo-thermal induced resonance     scanning near-fieldoptical microscopy     tip-enhanced Raman spectroscopy     photo-induced force microscopy     molecular resonances    

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Terahertz time-domain spectroscopy of high-pressure flames

Jason BASSI, Mark STRINGER, Bob MILES, Yang ZHANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 123-133 doi: 10.1007/s11708-009-0033-x

Abstract: Laser spectroscopy in the visible and near infrared is widely used as a diagnostic tool for combustion

Keywords： terahertz time-domain spectroscopy     high-pressure flames     H2O absorption lines    

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Modeling of oil near-infrared spectroscopy based on similarity and transfer learning algorithm

Yifei Wang, Kai Wang, Zhao Zhou, Wenli Du

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 599-607 doi: 10.1007/s11705-019-1807-2

Abstract: Near-infrared spectroscopy mainly reflects the frequency-doubled and total-frequency absorption informationIn order to achieve rapid modeling of near-infrared spectroscopy and based on historical data of different

Keywords： near-infrared spectroscopy     transfer learning     similarity     modeling    

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Time of flight improved thermally grown oxide thickness measurement with terahertz spectroscopy

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0705-3

Abstract: As a nondestructive testing technique, terahertz time-domain spectroscopy technology is commonly used

Keywords： thermal barrier coatings     thermally grown oxide     terahertz spectroscopy     time of flight    

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High-Throughput Powder Diffraction Using White X-Ray Beam and a Simulated Energy-Dispersive Array Detector Article

Xiaoping Wang, Weiwei Dong, Peng Zhang, Haoqi Tang, Lanting Zhang, Tieying Yang, Peng Liu, Hong Wang, X.

Engineering 2022, Volume 10, Issue 3,   Pages 81-88 doi: 10.1016/j.eng.2021.05.023

Abstract:

High-throughput powder X-ray diffraction (XRD) with white X-ray beam and an energy-dispersive detectorThe X-ray fluorescence (XRF) signal is collected simultaneously.In comparison with ARXRD, the diffraction signal generated by a white X-ray beam over monochromic light

Keywords： High-throughput experiment     White beam X-ray diffraction     Energy-dispersive array detector     Energy-dispersiveX-ray diffraction     Angle-resolved X-ray diffraction    

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Cystine-assisted accumulation of gold nanoparticles on ZnO to construct a sensitive surface-enhanced Raman spectroscopy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 15-23 doi: 10.1007/s11705-022-2177-8

Abstract: Recently, various semiconductor/metal composites have been developed to fabricate surface-enhanced Raman spectroscopyprovided a promising method to fabricate sensitive semiconductor/noble metal-based surface-enhanced Raman spectroscopy

Keywords： biomineralization     cystine     semiconductor/metal composite     SERS detection     Raman detection    

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Title Author Date Type Operation

Adsorption of fluoride on clay minerals and their mechanisms using X-ray photoelectron spectroscopy

Junyi DU, Daishe WU, Huayun XIAO, Ping LI

Journal Article

Electrochemical performance of thermally-grown SiO

X. D. HUANG, X. F. GAN, Q. A. HUANG, J. Z. YANG

Journal Article

Application and mechanism of polysaccharide extracted from Enteromorpha to remove nano-ZnO and humic acid in coagulation process

Jianzhang Sun, Baoyu Gao, Yuanxia Luo, Moxi Xue, Xing Xu, Qinyan Yue, Yan Wang

Journal Article

natural magnetite and siderite: Evidence from sorption kinetics, sequential extraction and extended X-rayabsorption fine-structure spectroscopy analysis

Journal Article

Design of efficient Pt-based electrocatalysts through characterization by X-ray absorption spectroscopy

Nebojsa S. MARINKOVIC, Kotaro SASAKI, Radoslav R. ADZIC

Journal Article

Establishing two-stage interaction between fly ash and NaOH by X-ray and infrared analyses

Bhagwanjee JHA,Nevin KOSHY,Devendra Narain SINGH

Journal Article

Effect of particle size on coal char----NO reaction

Xiumin JIANG, Xiangyong HUANG, Jiaxun LIU, Chaoqun ZHANG

Journal Article

A combined experimental and theoretical study of micronized coal reburning

Hai ZHANG, Jiaxun LIU, Jun SHEN, Xiumin JIANG

Journal Article

Factors influencing near infrared spectroscopy analysis of agro-products: a review

Xiao XU, Lijuan XIE, Yibin YING

Journal Article

Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Journal Article

Terahertz time-domain spectroscopy of high-pressure flames

Jason BASSI, Mark STRINGER, Bob MILES, Yang ZHANG

Journal Article

Modeling of oil near-infrared spectroscopy based on similarity and transfer learning algorithm

Yifei Wang, Kai Wang, Zhao Zhou, Wenli Du

Journal Article

Time of flight improved thermally grown oxide thickness measurement with terahertz spectroscopy

Journal Article

High-Throughput Powder Diffraction Using White X-Ray Beam and a Simulated Energy-Dispersive Array Detector

Xiaoping Wang, Weiwei Dong, Peng Zhang, Haoqi Tang, Lanting Zhang, Tieying Yang, Peng Liu, Hong Wang, X.

Journal Article

Cystine-assisted accumulation of gold nanoparticles on ZnO to construct a sensitive surface-enhanced Raman spectroscopy

Journal Article