Results 21 to 30 of about 201,364 (273)

Geochemistry of trace elements as one of the important coal quality parameter: an example from Balingian Coal, Malaysia [PDF]

open access: yes, 2017
Ash and sulphur are the two main variables that influence coal quality and are therefore very important contractual parameters in a coal supply agreement. Coal which is low in ash yield and sulphur content is considered as ‘cleaned coal’.
Sia, Say-Gee, Wan Hasiah Abdullah,
core   +1 more source

Effect of bed materials on slagging and fouling during Zhundong coal gasification

open access: yesEnergy Exploration & Exploitation, 2017
The suitable bed material is important to inhibit ash-related problems including agglomeration and slagging in furnace and fouling on tail heated surfaces during coal gasification in fluidized bed.
Xiaobin Qi   +3 more
doaj   +1 more source

In-situ ultrasonic monitoring of zeolite A crystallization from coal fly ash [PDF]

open access: yes, 2012
In this study, high phase purity of zeolite A was prepared from coal fly ash precursors. The molar regime of both the clear solution extract and unseparated fly ash slurry was adjusted to achieve the right composition for zeolite A crystallization. The
Baser, Hasan   +4 more
core   +1 more source

Design of intelligent ratio control system for raw coal in coal preparation plant

open access: yesGong-kuang zidonghua, 2019
It is difficult to meet requirement of field production by theoretically calculating fixed ratio of raw coal in blended coal preparation process of coal preparation plant, and problems such as large randomness, low quality of clean coal and high labor ...
YUAN Pengtao, WANG Ranfeng, FU Xiang
doaj   +1 more source

Application of Coal Ash to Postmine Land for Prevention of Soil Erosion in Coal Mine in Indonesia: Utilization of Fly Ash and Bottom Ash

open access: yesAdvances in Materials Science and Engineering, 2016
The increase in the number of coal-fired power plants with the increase in coal production and its consumption has caused the problem of the treatment of a large amount of coal ash in Indonesia.
Shinji Matsumoto   +5 more
doaj   +1 more source

RETRACTED: Human and Environmental Dangers Posed by Ongoing Global Tropospheric Aerosolized Particulates for Weather Modification

open access: yesFrontiers in Public Health, 2016
BackgroundU.S. military perception of nuclear warfare led to countless unethical nuclear experiments performed on unsuspecting individuals without their informed consent.
J. Marvin Herndon
doaj   +1 more source

Laser‐Welded Cellulose‐Carbon Nanotube Nanocomposites as a 3D Scaffold of Si Anodes for High‐Performance Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A Si anode comprising entangled networks of cellulose and SWCNT (C‐CNT) nanocomposites as an anode electrode for a high‐performance LIB is realized by fully utilizing the generated microstructure of a novel conductive 3D scaffold via a low‐temperature and eco‐friendly process. Additionally, localized heating via photo‐thermal conversion can be utilized
Boeun Ryu   +5 more
wiley   +1 more source

Accelerating Discovery to Deployment: Argonne's Materials Engineering Research Facility (MERF) and Its Role in Scaling Materials Technologies for Water and Resource Solutions

open access: yesAdvanced Materials Technologies, EarlyView.
In this Perspective, we highlight the processing science and scale‐up capabilities of the Materials Engineering Research Facility (MERF) at the U.S. Department of Energy's Argonne National Laboratory, with an emphasis on practical solutions for sustainable water and critical resource recovery. We demonstrate how national laboratories bridge fundamental
Yuepeng Zhang   +9 more
wiley   +1 more source

Response surface optimizing XG/HPMC fly ash colloid to inhabit coal spontaneous combustion: An experimental study

open access: yesCase Studies in Thermal Engineering
Fly ash grouting is an effective technical to prevent the coal spontaneous combustion. However, fly ash slurry has its problems such as being prone to sedimentation and not easy to solidify, which has a negative impact on the prevention and control of ...
Li Ma   +6 more
doaj   +1 more source

Migration and enrichment of arsenic during coal washing

open access: yes矿业科学学报, 2022
During the processing and utilization of coal resources, some heavy metal elements will be enriched in the environment, which is harmful to the environment and the human body.In this study, low-ash, high-sulfur coal samples and high-ash, low-sulfur coal ...
Xie Weiwei, Zhou Lingmei, Zheng Hao
doaj   +1 more source

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