Yuyu Lin

Zhejiang Sci-Tech University

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Mingyan Gu

Anhui University of Technology

Xiangyong Huang

Anhui University of Technology

Jiajia Wu

Shanghai Jiao Tong University

Huaqiang Chu

Anhui University of Technology

Qizhen Liu

Zhejiang University

Ping Chen

Anhui University

Yang Wang

University of Science and Technology of China

Jialun Wang

Yunnan University

Li-Kai Chen

National Taiwan University

Mingyi Hong

National Taiwan University

Cooperative Institutions

Anhui University of Technology

Shanghai University of Electric Power

National Taiwan University

Chinese Academy of Sciences

Shanghai Jiao Tong University

University of Chinese Academy of Sciences

Peking University

University of Shanghai for Science and Technology

Zhejiang University

Northeast Forestry University

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The effect of calcium on nitric oxide heterogeneous adsorption on carbon: A first-principles study

Energy (2016)

Lei Liu Jing Jin Yuyu Lin Fengxiao Hou Shengjuan Li

Carbon fibers

Nitric acid

10.1016/j.energy.2016.02.148

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Citations (32)

Experimental study on pyrolysis of camphor wood catalyzed by CaO-calcined phosphate mixture

Fuel (2020)

Yuyu Lin Chuang Zhang Liangtao Zhu Zhongwen Xu Mingyan Gu

Isoeugenol

Resorcinol

10.1016/j.fuel.2020.119642

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Citations (7)

The Effect Mechanism of Fe on Coal Pyrolysis to NO_x Precursors: Quantum Chemical Calculations and Mass Spectrometry Experiments

ACS Omega (2020)

Ping Chen Dongfang Wang Mingyan Gu Guang Chen Xiangyong Huang

Density functional theory is adopted to thoroughly analyze the influence mechanism of Fe on the formation of NH3 and HCN. The structure of Fe adsorbed on the surface of seven-membered zigzag coal containing pyridine nitrogen is selected as the Fe-containing coal model. The effect of Fe on the nitrogen distribution during Zhundong coal pyrolysis is further studied by thermogravimetry–mass spectrometry. The theoretical calculations show that Fe increases the Mulliken charge density on the N5 surface, which increases the rate-determining step energy barrier value of NH3 generated from coal pyrolysis and inhibits the NH3 formation. On the other hand, Fe significantly enhances the bonding energy between σ N5–C6 and π N5–C6, increases the activation energy required for N stripping from the pyridine ring (about 69.14 kJ/mol higher than that without Fe), and inhibits HCN formation. The experimental results show that Fe catalyzes the precipitation peaks of NH3 and CH3CN about 20 K ahead of time and has no obvious catalytic effect on HCN and HNCO. In terms of the nitrogen distribution, Fe significantly promotes the CH3CN formation and shows a significant inhibitory effect on NH3, HCN, and HNCO. Kinetic results show that Fe reduces the precipitation rates of NH3 and HCN, and the inhibitory effect on HCN is more significant.

Thermogravimetry

10.1021/acsomega.0c02994

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Citations (13)

Improved methanation system for use in coal gasification. Final report

T. F. Dixon Yuyu Lin Tilman Schultz Janat Shah

In 1976 Midland-Ross Corporation patented an improved methanation system for converting coal gasification product to methane which may be substituted directly for pipeline natural gas. The distinguishing feature of the system is the use of one of a variety of differently shaped catalyst-coated inserts in the externally cooled reactor tube. This approach allows for higher rates of transfer of reaction heat than conventional systems from the reactor tube to the cooling medium. This prevents damage to the catalyst and reactor by overheating without the necessity of gas recycle for cooling or dilution effect. A test system incorporating the Catalytic Insert Methanator was designed, constructed, and tested under a variety of conditions. Stable operation with heat removal was obtained with feed gas analyses ranging from 1 to 21% CO and conversions of CO to CH/sub 4/ up to 42%. These levels of conversion were achievable within the five foot test reactor without the necessity of energy absorbing product gas recycle. The experiments also show that insert configurations and catalyst activities may be selected to optimize performance with any commercially practical feed composition. A mathematical model of the methanator was developed to assist in predicting its performance and establishing operating conditions to be used, and in analysis of the test data. The model is directly applicable to a Catalytic Insert Methanator of any practical commercial size. The mathematical model greatly facilitated the determination of the suitable combinations of inserts and catalysts in the test reactor and will be of equal use in a commercial-scale system.

Methanation

Substitute natural gas

10.2172/6410926

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Citations (0)

Fabrication of flower-like BiOI/Bi5O7I heterojunction photocatalyst by pH adjustment method for enhancing photocatalytic performance

Materials Letters (2019)

Yu Guan Jiang Wu Bin Hu Yuyu Lin Qizhen Liu

10.1016/j.matlet.2019.05.013

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Citations (30)

Numerical Study of Hydrogen Addition Fuel on Soot Formation in Axisymmetric Laminar Methane/Air Diffusion Flames

E3S Web of Conferences (2020)

Bencheng Zhu Yuhan Zhu Jiajia Wu Kun Lu Yang Wang

This article employs the CoFlame Code to investigate the effects of hydrogen addition to fuel on soot formation characteristics in laminar coflow methane/air diffusion flames at atmospheric pressure. Numerical calculations were carried out using a detailed C 1 -C 2 gas phase reaction mechanism and a soot model consisting of two pyrene molecules colliding into a dimer as soot nucleation, hydrogen abstraction acetylene addition (HACA) and pyrene condensation as surface growth, and soot oxidation by O 2 , O and OH radicals. Calculations were conducted for five levels of hydrogen addition on volume basis. To quantify the chemical effect of hydrogen, additional calculations are performed for addition of inert pseudo-hydrogen (FH 2 ). The addition of H 2 or FH 2 does not have a strong influence on flame temperature. The results confirm that hydrogen addition can inhibit soot formation in the methane/air diffusion flame by reducing both the nucleation and surface growth steps of soot formation process. The effect of FH 2 addition on soot formation suppression is more remarkable than H 2 , indicating that the chemical effect of hydrogen added to methane prompts soot formation. The dilution effect of hydrogen addition on soot formation suppression is stronger than its chemical effect on soot formation enhancement the present findings are consistent with those of previous numerical studies.

10.1051/e3sconf/202019404054

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Citations (1)

Effects of Fe₂O₃ on pyrolysis characteristics of soybean protein and release of NOx precursors

Energy Sources Part A Recovery Utilization and Environmental Effects (2018)

Yuyu Lin Jialun Wang Hujun Wang Mingyan Gu Chao Zhang

The effects of ferric oxide (Fe2O3) on the pyrolysis characteristics of soybean protein and the release of precursors to nitrogen oxides (NOx) were studied using thermogravimetry and mass spectrometry. The results show that, as the content of Fe2O3 increases, there is no major difference between initial and peak temperatures of protein pyrolysis samples. Moreover, between the temperature range of 204 and 550°C where weight loss mainly occurs, total weight-loss rate decreases before increasing, with obvious weight loss occurring around the temperature of 650°C. Fe2O3 displays both inhibiting and promoting effects on the precipitation of nitrogen-containing gases such as ammonia (NH3), hydrogen cyanide (HCN), isocyanic acid (HNCO), and acetonitrile (CH3CN), with the inhibition effect prevailing over promotion effect on the whole.

Thermogravimetry

Isocyanic acid

Nitrogen oxides

Hydrogen cyanide

10.1080/15567036.2017.1423417

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Citations (9)

Additional file 1: of Integrating RNA-seq and ChIP-seq data to characterize long non-coding RNAs in Drosophila melanogaster

Figshare (2016)

Mei-Ju Chen Li-Kai Chen Yu-Shing Lai Yuyu Lin Dung-Chi Wu

Sequences of the curated 4599 lncRNAs (FASTA format). (FA 4819 kb)

RNA-Seq