Results 61 to 70 of about 39,493 (184)

Characterization of coal products from high temperature processing of Usibelli low-rank coals [PDF]

open access: yes, 1991
This research project was conducted in association with Gilbert/Commonwealth Inc. as part of an overall techno-economic assessment of high temperature drying of low-rank coals. This report discusses the characteristics of the dried/pyrolyzed products of
Li, YuFu   +3 more
core  

Updating “Characteristics of respirable dust in eight Appalachian coal mines: A dataset including particle size and mineralogy distributions, and metal and trace element mass concentrations” with expanded data to cover a total of 25 US mines

open access: yesData in Brief, 2022
A total of 171 sets respirable dust samples were collected from 25 underground coal mines in several regions of the United States. One sample from each set was analyzed by scanning electron microscopy with energy dispersive X-ray spectroscopy (SEM-EDX ...
Cigdem Keles   +2 more
doaj   +1 more source

Characterization of Bio‐Based Phenolic Plasticizer Extracted From Rambutan Fruit Shell Waste: A Sustainable Alternative to Synthetic Plasticizers for Green Polymer Applications

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
Comprehensive Characterization of Bio‐Based Phenolic Plasticizer Extracted From Rambutan Fruit Shell Waste. ABSTRACT The development of eco‐friendly plasticizer is driving the interest of many scientists due to its environmentally benign nature.
Divya Divakaran   +7 more
wiley   +1 more source

High-speed online detection system of coal dust concentration based on hardware acceleration

open access: yesMeikuang Anquan, 2023
A high speed on-line measuring device for coal dust concentration based on Mie scattering theory equation was designed by using Xilinx ZYNQ-7010 chip.
Fengyuan ZHANG, Yemin ZHANG, Guibin YAO
doaj   +1 more source

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

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
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

High‐Pressure Carbonaceous Phases as Minerals

open access: yesGeophysical Monograph Series, Page 11-23., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Oliver Tschauner
wiley  

+1 more source

Development of methods for preparing fly ash for separation by activation [PDF]

open access: yes, 2018
Purpose. Isolation of the aluminosilicate fraction from fly ash, study of physical and mechanical properties of binders obtained from TPP wastes. Methods.
Netyaga, O.B.   +8 more
core  

Monitoring the impact of desert dust outbreaks for air quality for health studies [PDF]

open access: yes, 2019
We review the major features of desert dust outbreaks that are relevant to the assessment of dust impacts upon human health. Our ultimate goal is to provide scientific guidance for the acquisition of relevant population exposure information for ...
Alastuey, A.   +11 more
core   +2 more sources

Numerical simulation study on distribution law of respirable dust concentration and its relationship with turbulence intensity in fully mechanized mining face

open access: yesMeikuang Anquan, 2021
By using the fluid dynamics software FLUENT, the 3D numerical simulations of the concentration distribution and motion law of the respirable dust in 22410 fully mechanized mining face of Shendong Halagou Coal Mine were carried out by the two-phase ...
XIANG Xiaogang   +5 more
doaj   +1 more source

Construction of Lean Coal Molecular Structure Model Based on Spectroscopic Characterization

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The chemical structure of coal exerts a profound influence on its properties and utilization pathways. A comprehensive analysis of coal's molecular structure is crucial for mitigating environmental pollution arising from coal combustion and improving the efficiency of coal utilization.
Song Liu   +5 more
wiley   +1 more source

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