Results 31 to 40 of about 717 (182)

Nonsilting transport characteristics of coal slurry in a deep underground fluidization conveying pipeline under the action of a guide vane swirler

Deep Underground Science and Engineering, Volume 5, Issue 2, Page 539-555, June 2026.
Aiming at the scientific frontiers of in situ fluidized mining of deep resources, a deep coal fluidized pipeline lifting system based on hydraulic conveying has been proposed. To solve the issue of particle sedimentation of large particles in horizontal connection sections, a solution involving the installation of guide vane‐type swirlers in the ...
Jiusheng Bao, Shaodi Zhao, Yan Yin, Zhongbin Wang, Shuai Liu, Shirong Ge   +5 more
wiley   +1 more source

Multifield evolution characteristics of underground coal gasification under dynamic evolution of combustion zone

Meitan xuebao
As a comprehensive utilization technology of clean coal, underground coal gasification has become a strategic direction of innovation in harmless coal mining technology under the background of dual carbon.
Dawei YIN, Xiaotian YUAN, Guanglei ZHOU, Lin XIN, Zesen ZHOU, Zihan WANG   +5 more
doaj   +1 more source

Using Mathematica software for coal gasification simulations – Selected kinetic model application

Journal of Sustainable Mining, 2015
Coal gasification is recognized as a one of promising Clean Coal Technologies. As the process itself is complicated and technologically demanding, it is subject of many research.
Sebastian Iwaszenko
doaj   +1 more source

Water Consumption in Hydrogen Production Through Electrolysis: Overview, State‐of‐the‐Art, and Future Trends

WIREs Energy and Environment, Volume 15, Issue 2, June 2026.
Commercial‐scale “green” hydrogen projects use renewable electricity to drive electrolysis—the process of splitting water into hydrogen and oxygen. Producing green hydrogen requires water not only for the electrolysis reaction but also for cooling the electrolyzers, which release waste heat.
Antonio Santos Sánchez, Gleizer Vitor Nonato, André Luis Silva, Idelfonso Bessa dos Reis Nogueira, Carine Menezes Rebello, Diego Lima Medeiros, Julian David Hunt   +6 more
wiley   +1 more source

Study on CRIP process of underground coal gasification coupled with high-power microwave heating

Meitan kexue jishu
The Controlled Retraction Injection Point (CRIP) process of underground coal gasification can mine in situ medium-deep coal resources efficiently and transform rich coal resources in China into strategic and scarce gas resources.
Tengze GE, Chuangye WANG, Meng LIU, Danlu LIU, Ersi GAO, Song WU, Shuxia YUAN, Yuguang FAN   +7 more
doaj   +1 more source

Comparison of Tar Samples from Reaction Zone and Outlet in Ex-Situ Underground Coal Gasification Experiment

Energies, 2021
Tar remaining in the gasification cavity during underground coal gasification (UCG) is an important pollution source, while the reported studies only focus on the tar behavior at the outlet.
Lele Feng, Maifan Dong, Yuxin Wu, Junping Gu   +3 more
doaj   +1 more source

A Review of the Unintended Consequences of Biochar in Various Applications

Advanced Energy and Sustainability Research, Volume 7, Issue 5, May 2026.
Biochar is widely promoted as a sustainable material for applications ranging from soil amendment to energy storage and construction materials. This review critically examines the often‐overlooked and unintended consequences of biochar, including variability in properties, safety risks, and performance limitations.
Singaravelu Vivekanandhan, Elif Kaynak, Dong Wang, Vigneshwaran Shanmugam, Aurelio Bifulco, Julio Diarte Almada, Imelda Saran Piri, Zhengyang Wang, Lokesh P. Padhye, Nam Kyeun Kim, Michael Försth, Jaime Gonzalez‐Libreros, Igor Wachter, Sabrina Karim, Oisik Das   +14 more
wiley   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

Asia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

Catalytic pyrolysis characteristics of simulated seawater in lean coal

矿业科学学报, 2020
In the underground catalytic gasification process of lean coal, the solid catalyst cannot be used and recovered, so it is necessary to develop an inexpensive liquid catalyst.In order to explore the feasibility of seawater as a cheap gasification agent ...
Sun Rui, Ma Gaofeng, Ma Guoshuai, Wang Xiaoying, Liang Jie   +4 more
doaj   +1 more source

Modeling and Control of Energy Conversion during Underground Coal Gasification Process

Energies, 2022
The underground coal gasification (UCG) technology is an unconventional method of coal mining, and its approaches represent new scientific knowledge [...]
Marek Laciak, Ján Kačur, Milan Durdán
doaj   +1 more source