Results 61 to 70 of about 495,153 (230)

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

open access: yesDeep Underground Science and Engineering, EarlyView.
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   +5 more
wiley   +1 more source

Characteristics of Geological Anomalies Shown on Seismic Time Sections

open access: yesCT Lilun yu yingyong yanjiu
With the rapid development of three-dimensional (3D) seismic exploration technology in recent years, its application has demonstrated significant advantages in interpreting the form and structure of underground coal seams, particularly in identifying ...
Xiaobing GENG
doaj   +1 more source

Biomass‐Derived Carbon and Their Composites for Supercapacitor Applications: Sources, Functions, and Mechanisms

open access: yesEcoEnergy, EarlyView.
Carbon materials derived from biomass are sustainable and environmentally friendly, making them ideal for electrochemical energy storage and conversion. This review explores nanocomposites utilizing biomass‐derived carbon with MXenes, metal‐organic frameworks (MOFs), graphene, conductive polymers, and transition metal oxides/hydroxides, highlighting ...
Xi Zhu   +5 more
wiley   +1 more source

Highly Efficient Simultaneous Photocatalytic Reduction of CO2 and O2 from Air Using Conjugated Microporous Polymers with Ionic Imidazolium Sites

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
In this work, we reported the rational design of two ionic conjugated microporous polymers for efficient simultaneous photocatalytic reduction of CO2 and O2 from air under mild conditions. Efficient photocatalytic reduction of CO2 is crucial to decrease the atmospheric concentration of CO2.
Waner Li   +8 more
wiley   +1 more source

Possibility to Reduce Dependence of Belarus on External Gas Energy Carrier

open access: yesНаука и техника, 2004
The paper contains data on brown coal reserves in Belarus. Method of underground gasification of coal is described in the paper. The paper reveals advantages of underground gasification of coal in comparison with traditional methods (underground and open
B. A. Bogatov, V. S. Voitenko
doaj   +1 more source

CFD‐Based Flow Field Optimization for High‐Performance Anion Exchange Membrane Electrolyzers

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT The growing demand for sustainable energy solutions has increased the focus on hydrogen's role as a clean and renewable energy source. Hydrogen production through anion exchange membrane (AEM) electrolysis offers considerable advantages over traditional methods, such as lower reliance on costly precious metal catalysts and enhanced durability ...
Peng‐Jen Chen   +4 more
wiley   +1 more source

Mild gasification of coal

open access: yes, 1989
The objective of this initial year's mission-oriented multi-year program is to develop a process chemistry data base for the mild gasification of coal with emphasis on eastern bituminous coal. One important objective of this program was to obtain the trends in product formation from different coals as a function of several process variables which ...
P.T. Fallon, Sundaram, M. Steinberg
openaire   +3 more sources

Conversion of Waste to Sustainable Transport Fuel via Fischer–Tropsch Synthesis: Process Modeling and Life Cycle Analysis

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT A lifecycle analysis was performed on a process for distributed forest residue collection and conversion into biocrude, followed by biocrude transport to a central facility and indirect liquefaction using Fischer–Tropsch synthesis with refining to sustainable aviation fuel (SAF).
Hanan E. M. El‐Sayed   +7 more
wiley   +1 more source

Trash‐to‐Energy: Shedding Light on Plastic and Biomass Valorization Through Artificial Photosynthesis Towards Sustainability

open access: yesExploration, EarlyView.
To engrave a circular economy, artificial photosynthesis emerges as a promising and prosperous strategy to upcycle solid waste into clean fuel and valuable chemicals for sustainable fuel production. This review highlights the design of photocatalysts and external‐field‐assisted photocatalysis for effective solid waste conversion toward an ...
Ke Ming Lim   +2 more
wiley   +1 more source

Potential Waste‐to‐Wealth Strategy for Combining Medical Surgical Gloves‐Derived Pyrolysis Oil with Pentanol and Nanoparticles: Experimental Analysis on Engine Behaviors

open access: yesGlobal Challenges, EarlyView.
This study evaluates surgical glove waste pyrolysis oil blended with pentanol and nano‐additives as an alternative fuel for diesel engines. The nano‐SiO₂ blend improved engine performance by 9.72% and significantly reduced emissions, offering a sustainable, waste‐to‐wealth solution for cleaner energy without engine modifications. Abstract In this work,
T Sathish   +5 more
wiley   +1 more source

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