Results 51 to 60 of about 36,593 (233)

Coal desulfurization by aqueous chlorination [PDF]

, 1982
A method of desulfurizing coal is described in which chlorine gas is bubbled through an aqueous slurry of coal at low temperature below 130 degrees C., and at ambient pressure.
Corcoran, W. H., Grohmann, K., Kalvinskas, J. J., Rohatgi, N. K., Vasilakos, N.   +4 more
core   +1 more source

Multiple injection techniques to stimulate complex fracture networks in coal reservoirs: A case study on gas disaster reduction of subsurface coal mine in southwest China

Deep Underground Science and Engineering, EarlyView.
An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang, Farui Shi, Jun Lu, Minghui Li, Cunbao Li, Heping Xie   +5 more
wiley   +1 more source

Разработка технологии флотационного обогащения твердой фазы водоугольного топлива [PDF]

, 2013
Відпрацьовано методику вибору ефективної технології флотаційного збагачення вугільного шламу, що використовується для приготування водовугільного палива.Отработана методика выбора эффективной технологии флотационного обогащения угольного шлама ...
Назимко, Е.И., Самойлик, В.Г.   +1 more
core  

Study on the composite fracture characteristics of filling and reinforcing cracked rock mass after high temperature damage

Deep Underground Science and Engineering, EarlyView.
Cement infill shares compressive and shear stresses during loading, while interfacial friction hinders crack propagation and reduces stress concentration, improving the rock's load‐bearing capacity. Failure modes vary with crack inclination. Unfilled specimens show four modes.
Shihao Yuan, Qiang Sun, Jianjun Hu, Liwei Zhang, Jishi Geng   +4 more
wiley   +1 more source

Experimental Study on Water Reduction Modification and Efficient Utilization of Coal-Based Solid Waste Slurry

Advances in Civil Engineering
Unreasonable treatment of coal-based solid waste and coal mining damage are important factors that cause negative environmental effects. Overburden isolated grouting, a green mining method, can realize solid waste emission reduction and coal mine ...
Chengwei Ma, Dayang Xuan, Jialin Xu, Jian Li   +3 more
doaj   +1 more source

Application and prospect of coal gangue slurry filling technology

Meitan kexue jishu
In order to realize in-situ, green and large-scale disposal of coal gangue, coal gangue slurry filling technology, as a new filling technology, has been rapidly developed and applied in recent years.
Lei ZHU, Wenzhe GU, Chaofeng YUAN, Chengyong LIU, Hao PAN, Tianqi SONG, Fengtian SHENG   +6 more
doaj   +1 more source

Combustion of pipelineable coal-water slurries

, 1991
The use of liquids or fluids to transport coal through pipelines is not new, nor is the application of coal liquid slurries as fuels in industrial combustion systems. However, it does appear that there are a number of conflicting areas which preclude coals from performing well in a pipeline transportation mode and as a coal-liquid fuel (CLF).
H Whaley, K V Thambimuthu, G N Banks, J K L Wong   +3 more
openaire   +1 more source

Исследование реологических свойств водоугольного топлива с применением роторного аппарата модуляции потоков [PDF]

, 2016
Выпускная квалификационная работа 62 с., 17 рис., 18 табл., 35 источников литературы. Объектом исследования является водоугольная суспензия. Цель работы – исследование влияния механической обработки на реологические свойства водоугольной суспензии.
Толокольников, Антон Андреевич
core  

Carbon emission assessment of tunnel infrastructures: From construction to operation

Deep Underground Science and Engineering, EarlyView.
This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long, Wout Broere, Xuehui Zhang, Tian Xia, Richard de Nijs   +4 more
wiley   +1 more source

Effect of slurry conditioning on flocculant-aided filtration of coal tailings studied by low-field nuclear magnetic resonance and X-ray micro-tomography

International Journal of Mining Science and Technology, 2020
The present work aimed to study the effect of slurry conditioning on flocculant-aided filtration of coal tailings by the analysis of filtration kinetics and filter cake structure.
Pengfei Hu, Long Liang, Guangyuan Xie, Shaoqi Zhou, Yaoli Peng   +4 more
doaj   +1 more source