Chemicals from Direct Coal Liquefaction

Mochida, Isao; Okuma, Osamu; Yoon, Seong Ho

doi:10.1021/cr4002885

Cited by 215 publications

(128 citation statements)

References 69 publications

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“…It is known that coal particles are associated through bridge bonds such as covalent bonds, ionic linkages, hydrogen bonds, van der Waals forces and so on [40]. Of these associative interactions, hydrogen bonds and ether linkages play key roles to keep the macromolecular structure of low rank coals [41].…”

Section: Mechanism Of Il Pretreatment Of Coalmentioning

confidence: 99%

Pretreatment of coal by ionic liquids towards coal electrolysis liquefaction

Liu

Zhou

Tang

et al. 2015

Fuel

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Section: Mechanism Of Il Pretreatment Of Coalmentioning

confidence: 99%

Pretreatment of coal by ionic liquids towards coal electrolysis liquefaction

Liu

Zhou

Tang

et al. 2015

Fuel

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“…A deep insight into the chemical structures of coals is significantly important for efficient utilization of coals, especially for obtaining value-added chemicals from coals [3][4][5]. Coals are too complex to be elaboratively characterized.…”

Section: Introductionmentioning

confidence: 99%

Insight into the structural features of Zhaotong lignite using multiple techniques

Wei

Yan

et al. 2015

Fuel

205

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“…In 1900, Friedrich Bergius first discovered the coal to liquid fuels (CTL) technique and since then, this technology has evolved rapidly, especially in China [1,2]. At present, China has built lots of projects to utilize the CTL technology, such as SHENHUA project, YUNNAN project, etc.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Properties of Asphalt Binders Modified by THFS Extracted From Direct Coal Liquefaction Residue

Yao

Zheng

et al. 2017

Applied Sciences

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This paper aims to study the preparation and viscoelastic properties of asphalt binder modified by tetrahydrofuran soluble fraction (THFS) extracted from direct coal liquefaction residue. The modified asphalt binders, which blended with SK-90 (control asphalt binder) and 4%, 6%, 8% and 10% THFS (by weight of SK-90), were fabricated. The preparation process for asphalt binder was optimized in terms of the orthogonal array test strategy and gray correlation analysis results. The properties of asphalt binder were measured by applying Penetration performance grade and Superpave performance grade specifications. In addition, the temperature step and frequency sweep test in Dynamic Shear Rheometer were conducted to predict the rheological behavior, temperature and frequency susceptibility of asphalt binder. The test results suggested the optimal preparation process, such as 150 • C shearing temperature, 45 min shearing time and 4000 rpm shearing rate. Subsequently, the addition of THFS was beneficial in increasing the high-temperature properties but decreased the low-temperature properties and resistance to fatigue. The content analysis of THFS showed the percentage of 4~6% achieved a balance in the high-and-low temperature properties of asphalt binder. The asphalt binder with higher THFS content exhibited higher resistance to rutting and less sensitivity to frequency and temperature.

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Chemicals from Direct Coal Liquefaction

Cited by 215 publications

References 69 publications

Pretreatment of coal by ionic liquids towards coal electrolysis liquefaction

Pretreatment of coal by ionic liquids towards coal electrolysis liquefaction

Insight into the structural features of Zhaotong lignite using multiple techniques

Preparation and Properties of Asphalt Binders Modified by THFS Extracted From Direct Coal Liquefaction Residue

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