Results 181 to 190 of about 82,778 (259)

Lignite drove phenol precursors to participate in the formation of humic acid during chicken manure composting.

Science of the Total Environment, 2023
This study set out to explore the impact of lignite on preserving organic matter and promoting the formation of humic acid (HA) during chicken manure composting.
Yumeng Wang, Chunhao Zhang, Yue Zhao, Zi-min Wei, Jie Li, Caihong Song, Xiaomeng Chen, Meiyang Zhao   +7 more
semanticscholar   +1 more source

Adsorption mechanism of methylene blue by magnesium salt-modified lignite-based adsorbents.

Journal of Environmental Management, 2023
The rich pore structure and carbon structure of lignite make it a suitable adsorbent for effectively removing methylene blue (MB) from wastewater. This article reports the preparation of lignite-based adsorbents modified by magnesium salts, and the key ...
Ruzhan Bai, Y. Feng, Lei Wu, Na Li, Quansheng Liu, Yingyue Teng, Runxia He, Keduan Zhi, Huacong Zhou, Xue-Wei Qi   +9 more
semanticscholar   +1 more source

Adsorption of ammonia nitrogen and phenol onto the lignite surface: An experimental and molecular dynamics simulation study.

Journal of Hazardous Materials, 2021
Ammonia nitrogen and phenol are typical inorganic and organic pollutants in the coal chemical wastewater, respectively. In this study, the adsorption characteristics of ammonia nitrogen and phenol on lignite were investigated through experimental and ...
Xiang-Xue Liu, Yanan Tu, Shucheng Liu, Kailin Liu, Lifeng Zhang, Gaohui Li, Zhiqiang Xu   +6 more
semanticscholar   +1 more source

Molecular structure characterization of lignite treated with ionic liquid via FTIR and XRD spectroscopy

Fuel, 2020
In order to characterize the effect of ionic liquid concentration on the molecular structure of lignite, the X-ray diffraction (XRD) and Fourier transform infrared (FTIR) experiments were performed on lignite coal samples treated with different ...
Li Zhao, Guanhua Ni, W. Hui, Sun Qian, W. Gang, Bingyou Jiang, Z. Chao   +6 more
semanticscholar   +1 more source

Determining the effect of the non-ionic surfactant AEO9 on lignite adsorption and wetting via molecular dynamics (MD) simulation and experiment comparisons

, 2020
By combining a molecular dynamics (MD) simulation approach with experimental measurements, this study elucidated the molecular interactions between the fatty alcohol polyoxyethylene ether-9 (AEO9; i.e., a surfactant) and lignite.
Min Yuan, W. Nie, Weiwei Zhou, Jiayi Yan, Qiu Bao, Chang-jiang Guo, P. Tong, Haihan Zhang, Lidian Guo   +8 more
semanticscholar   +1 more source

Thermodynamic study of a novel lignite poly-generation system driven by solar energy

, 2021
A novel integrated solar-hybrid lignite upgrade and utilization system incorporating solar energy collection, lignite drying, pyrolysis, gasification, and a power generation unit is proposed in this study to promote solar energy utilization and improve ...
Rongtang Liu, Ming Liu, Yongliang Zhao, Yuegeng Ma, Junjie Yan   +4 more
semanticscholar   +1 more source

An approach for upgrading lignite to improve slurryability: Blending with direct coal liquefaction residue under microwave-assisted pyrolysis

, 2021
As the composition of direct coal liquefaction residue (DCLR) is complex and difficult to handle, more importantly its dielectric properties are excellent, it is used as consumable wave-absorbents to enhance the microwave pyrolysis of lignite for ...
Suqian Gu, Zhiqiang Xu, Yangguang Ren, Yanan Tu, M. Sun, Xiang-Xue Liu   +5 more
semanticscholar   +1 more source

Flotation separation of fluorite from calcite using sulfonated lignite as depressant

Separation and Purification Technology, 2020
In this study, sulfonated lignite (SL) was studied as the depressant in the separation of fluorite and calcite with sodium oleate (NaOL) as the collector.
Yanfang Cui, Fen Jiao, Qian Wei, Wang Xu, Liuyang Dong   +4 more
semanticscholar   +1 more source

Degradation of Shanxi lignite by Trichoderma citrinoviride

, 2021
A fungal isolate A-1, identified as Trichoderma citrinoviride by sequencing of the 26S rDNA D1/D2 region, was isolated from the seeds of white Tremella. This fungus was used to degrade the Shanxi lignite.
Xin Feng, Jinghong Sun, Y. Xie
semanticscholar   +1 more source

Study on combustion performance of hydrothermally dewatered lignite by thermal analysis technique

, 2021
The high water content of lignite has raised serious environmental and efficient issues, which are obstacles to its large scale utilization. In this study, hydrothermal dewatering (HTD) method was used to upgrade a lignite from Inner Mongolia in China at
Qiong Mo, J. Liao, L. Chang, Yanna Han, A. Chaffee, W. Bao   +5 more
semanticscholar   +1 more source