Results 121 to 130 of about 36,299 (243)

Experimental research on low and strength characteristics of coal slime based cemented filling material

open access: yesMeitan kexue jishu
To study the flow and strength characteristics of coal slime based backfill materials, orthogonal tests were used to design one cemented backfill material combining coal slime, high-water-content materials, cement, and fly ash.
Baifu AN   +5 more
doaj   +1 more source

Optimizing coal water slurry concentration via synergistic coal blending and particle size distribution

open access: yesGreen Processing and Synthesis
This study explores strategies to enhance coal utilization efficiency, enable on-site coal conversion, transition thermal coal into raw coal, and improve the energy efficiency of coal water slurry (CWS) gasification.
Liu Ming, Li Hanxu
doaj   +1 more source

Application of EREP imagery to fracture-related mine safety hazards in coal mining and mining-environmental problems in Indiana [PDF]

open access: yes
The author has identified the following significant results. This investigation evaluated the applicability of a variety of sensor types, formats, and resolution capabilities to the study of both fuel and nonfuel mined lands.
Amato, R. V.   +4 more
core   +1 more source

Micronized coal burner facility [PDF]

open access: yes, 1984
A combustor or burner system in which the ash resulting from burning a coal in oil mixture is of submicron particle size is described. The burner system comprises a burner section, a flame exit nozzle, a fuel nozzle section, and an air tube by which ...
Calfo, F. D., Lupton, M. W.
core   +1 more source

Ex-situ mineral carbonation: resources, process and environmental assessment (Carmex project) [PDF]

open access: yes, 2013
This article presents the main results of the Carmex project (2009-2012), whose purpose was to review the feasibility of ex-situ mineral carbonation in terms of resource availability, performance of the aqueous mineral carbonation process and life cycle ...
Augé, Thierry   +10 more
core  

Workflow Design and Operational Analysis of a Coal‐Based Multi‐Energy Combined Supply System for Electricity, Heating, Cooling, and Gas

open access: yesEnergy Science & Engineering
The combined cooling, heating, and power (CCHP) system, as a typical representative of novel distributed energy systems, demonstrates significant advantages in the cascade utilization of energy and the control of transmission and distribution losses ...
Shiwei Yu   +3 more
doaj   +1 more source

Удосконалення технології одержання водовугільного палива [PDF]

open access: yes, 2017
Проаналізовано проблему технології приготування водовугільного палива (ВВП). Показано, що крім традиційного реагента-пластифікатора доцільно використовувати реагент-регулятор дзета потенціалу вугільної поверхні.
Білецький, В.С.   +1 more
core  

Coal desulfurization by chlorinolysis production and combustion test evaluation of product coals [PDF]

open access: yes
Laboratory-scale screening tests were carried out on coal from Harrison County, Ohio to establish chlorination and hydrodesulfurization conditions for the batch reactor production of chlorinolysis and chlorinolysis-hydrodesulfurized coals.
Daly, D., Kalvinskas, J. J.
core   +1 more source

Pore structure characteristics of filter cake in coal slurry water pressure filtration

open access: yes矿业科学学报, 2017
The pore structure of filter cake is the key factor influencing coal slurry water filtering effect, but filter cake structure is easily damaged and coal particles and pores become indistinguishable during the coal slime filter cake measurement.In order ...
Wang Donghui   +3 more
doaj  

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