Results 11 to 20 of about 10,581 (221)

Research on influence of CPAM ionic degree on settling characteristics of high muddied coal slime water

open access: yesMeitan kexue jishu, 2023
In order to study the sedimentation characteristics and action mechanism of cationic polyacrylamide (CPAM) with different ionic degrees on the high muddied coal slime water, the particle size composition and mineral composition of the high muddied coal ...
FAN Youlin   +6 more
doaj   +1 more source

Research on co-combustion behavior of sewage sludge and coal slime

open access: yesMeitan kexue jishu, 2023
The treatment of the large amount of coal slime and municipal sewage sludge in Shanxi Province and even the country is facing unprecedented challenges. Clean combustion technology is the preferred method for sewage sludge-coal slime co-processing.
Biru WANG   +6 more
doaj   +1 more source

Preparation of CaCl2-heat treated coal slime based composite catalytic material and its performance toward phenol degradation by activating peroxymonosulfate

open access: yes矿业科学学报, 2023
Based on the current situation of comprehensive utilization of coal slime in China and the urgent need for water pollution control in coal mining areas, this paper uses coal slime(CS)as raw material and CaCl2 as the activator, different proportions of ...
Wang Qizhou   +3 more
doaj   +1 more source

Effects of particle size on the flotation behavior of coal slime

open access: yesEnergy Exploration & Exploitation, 2023
In order to investigate the influence of particle size on the flotation behavior of coal slime, industrial analysis, elementary analysis, and particle size composition analysis were carried out on coal slime.
Tianshen Lu   +3 more
doaj   +1 more source

Study on carrier flotation of long flame coal

open access: yesMeitan kexue jishu, 2023
In order to improve the flotation effect of long flame coal and the utilization rate of low rank coal, the mechanism of long flame coal by carrier flotation was revealed.
Pengyue GENG
doaj   +1 more source

Effect of coal slime content on dense medium suspension stability and fluidity

open access: yes矿业科学学报, 2020
The stability and fluidity of dense medium suspension are two contradictory factors that affect the separation performance of dense medium cyclone.By dense medium suspension density and apparent viscosity measurement, the effect of dense medium ...
Zhang Zhijun   +4 more
doaj   +1 more source

Optimization of flotation reagent system of coal slime based on uniform experimental design

open access: yes矿业科学学报, 2021
In order to study the influence of flotation reagent system on coal slime flotation, the coal slime of Shuiyu Coal Washing Plant is taken as the research object.Based on the uniform experimental design(UED)method, the mathematical model between flotation
Deng Zilin, Hou Ying
doaj   +1 more source

Performance Comparison of Waste Cooking Oil on Coal Slime Flotation with Sunflower Oil and Gas Oil

open access: yesHittite Journal of Science and Engineering, 2023
This study explores the potential use of waste cooking sunflower oil (WSO) as an eco-friendly collector for coal slime flotation. WSO and coal slime are both wastes and are hazardous to human health and the environment, if not disposed of properly.
Hasan Hacıfazlıoğlu   +1 more
doaj   +1 more source

Experimental research on coal slime flotation process based on orthogonal test desig

open access: yesGong-kuang zidonghua, 2019
Coal slime content and ash content is high in Wangjiazhai Coal Preparation Plant, in -0.5 mm graded coal slime mixed flotation process, it often appeared coarse or fine mud entrainment phenomenon.
CHEN Peng   +5 more
doaj   +1 more source

The End Game of Deregulation: Myopic Risk Management and the Next Catastrophe [PDF]

open access: yes, 2012
By using the Kingston Fossil Fuel Plant’s spill into the Emory River as a case study, this article offers several explanations for why the twentieth century dynamic of crisis and reform has disappeared in the early twenty-first century.
McGarity, Thomas O., Steinzor, Rena I.
core   +2 more sources

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