Shixue Zhou

Shandong University of Science and Technology

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Haipeng Chen

Guangzhou Medical University Cancer Hospital

Hao Yu

Shandong University of Science and Technology

Tonghuan Zhang

Shandong University of Science and Technology

Kudzaishe Caren Tome

Shandong University of Science and Technology

Senliang Xi

Beijing Institute of Technology

Zongying Han

Shandong University of Science and Technology

Lianzheng Zhang

Shandong University of Science and Technology

Pei Liu

Henan Polytechnic University

Xun Feng

Luoyang Normal University

Wenqiang Li

CAS Key Laboratory of Urban Pollutant Conversion

Cooperative Institutions

Shandong University of Science and Technology

Chinese Academy of Sciences

Qingdao Center of Resource Chemistry and New Materials

Luoyang Normal University

Shandong University

Xi'an Jiaotong University

University of Science and Technology of China

Qingdao University of Science and Technology

Shanghai Jiao Tong University

Nanjing Tech University

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Efficient Extraction of Neutral Heterocyclic Nitrogen Compounds from Coal Tar via Ionic Liquids and Its Mechanism Analysis

Energy & Fuels (2018)

Lianzheng Zhang Mi Zhang Jun Gao Dongmei Xu Shixue Zhou

As a valuable chemical material or energy fuel, the reasonable and efficient utilization of coal tar is important. Four different ionic liquids (ILs), 1-ethyl-3-methyl imidazolium tosylate ([emim][TOS]), 1-btyl-1-methyl pyrrolidinium chloride ([bmpyrr][Cl]), N-butylpyridinium chloride ([bpy][Cl]), and 1-ethyl-3-methyl imidazolium trifluoroacetate ([emim][TFA]), were investigated as extractants to extract the value-added neutral heterocyclic nitrogen compounds, indole and carbazole, from model coal tar in the present work. And the separation performance was valued by calculating the experimental extraction efficiency and distribution coefficient. For neutral nitrogen compounds, indole and carbazole, the adopted four ILs have higher extraction efficiency and selectivity than basic nitrogen compounds, pyridine and quinoline. Then, the key experiment factors, extraction temperature, extraction time, mass ratio of ILs to model oil, and initial N-content, were explored and optimized. Meanwhile, the extraction mechanism was studied by analyzing the intermolecular interactions that formed between the anions of the adopted ILs and neutral nitrogen compounds through molecular simulation. And the investigated four ILs were ascertained to be the potential extractants with high separation capacity for indole and carbazole. In addition, the reusability of the IL extractant was confirmed.

Carbazole

Coal tar

Quinoline

10.1021/acs.energyfuels.8b02297

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Citations (53)

Oxygen vacancy in magnesium/cerium composite from ball milling for hydrogen storage improvement

International Journal of Hydrogen Energy (2019)

Pei Liu Haipeng Chen Hao Yu Xiaojing Liu Ruiqian Jiang

Isothermal process

Oxygen storage

10.1016/j.ijhydene.2019.03.258

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Citations (41)

イオン液体によるコールタールからの中性窒素化合物の分離のための抽出と機構【Powered by NICT】

Fuel (2017)

Lianzheng Zhang Dongmei Xu Gao Jun Shixue Zhou Zhao Liwen

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Facile In Situ Synthesis of Micro/Nano Structured MgH₂ Whiskers and Investigation of Their Growth Mechanisms

Crystal Research and Technology (2018)

Tonghuan Zhang Song Yan-wei Zongying Han Xin Chen Xi Zhao

Abstract To improve hydrogen storage capacity, MgH 2 whiskers are produced directly from common Mg particles through hydrogenation at 420 °C under 2 MPa of H 2 for 72 h. The morphology, thermal stability, growth direction, and growth mechanism of the whiskers are investigated. Results show that the as‐prepared sample with whiskers has a hydrogen storage capacity of 7.14 wt.%, but features high thermal stability. Under SEM, the MgH 2 whiskers are 400–1000 nm in diameter and their lengths can reach to 150 µm. The long whiskers display, to some extent, flexibility like human hair. XRD test reveals that the preferred orientation for the whisker growth is along the [101] direction of β‐MgH 2 . Existence of liquid phase MgH 2 is demonstrated. Two growth pathways for the MgH 2 whiskers have been found according to their different morphologies. One is by vapor–liquid–solid mechanism from hydriding chemical vapor deposition and the other is by stress inducible recrystallization orientated growth from bulk MgH 2 particles. Besides, the addition of transition metal (Cu, Co) is found to suppress the growth of MgH 2 whiskers.

Recrystallization (geology)

Thermal Stability

Sublimation

10.1002/crat.201800147

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Citations (4)

Theoretical prediction and experimental study on catalytic mechanism of incorporated Ni for hydrogen absorption of Mg

International Journal of Hydrogen Energy (2019)

Bogu Liu Bao Zhang Ying Wu Wei Lv Shixue Zhou

Limiting

10.1016/j.ijhydene.2019.09.045

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