Results 71 to 80 of about 9,806 (193)

Study on compound optimization and performance of pulverized coal wetting suspension agent

open access: yesMeikuang Anquan
In order to effectively solve the problems of hole collapse, clamping, sticking, waterway blockage and exhaust channel blockage caused by the combination of coal powder and water to form slime in wet drilling operation, three dispersants were optimized ...
Renjun LUO   +5 more
doaj   +1 more source

Technique of complex slime water treatment of coal-mining branch

open access: yes, 2015
The possibility of complex slime water treatment at coal-mining and coal-treating plants producing marketable products: power-generating concentrate, coal-water fuel, magnetic fraction, industrial water is shown. A basic process flowsheet of slime water treatment presenting a united technological complex is suggested.
Solodov, G. А.   +3 more
openaire   +1 more source

The disrupters: Lessons for low-carbon innovation from the new wave of environmental pioneers [PDF]

open access: yes, 2007
We need disruptive forms of innovation 13 cheaper, easier-to-use alternatives to existing products or services, often produced by non-traditional players for previously ignored customers.
Webb, Molly   +2 more
core   +1 more source

Adsorption characteristics of metal ions on kaolinite

open access: yes矿业科学学报, 2017
The adsorption of negative charge on kaolinite particles surface is the main reason that causes coal slime water settle difficult.By studing adsorption dynamics of Ca2+, Mg2+, K+ and Na+ on kaolinite, adsorption tests of single kind of ions on kaolinite,
Zhang Zhijun   +4 more
doaj  

Study on particle fluidization characteristics and separation effect of coarse slime fluidized flotation

open access: yesMeitan kexue jishu
The new gas-liquid-solid fluidized bed flotation technology can realize the efficiency recovery of coarse particles based on the principle of refloating coupling.
Qinglin YIN   +5 more
doaj   +1 more source

Распределение классов крупности при обесшламливании мелкого машинного класса [PDF]

open access: yes, 2017
Узагальнені результати роботи технологічної операції «Зневоднення дрібного машинного класу» за граничною крупністю розділення 1 мм. Визначені показники вилучення класів крупності в підситний продукт, усереднений показник вологості надситного продукту і ...
Полулях, А.Д.   +1 more
core   +1 more source

Distribution and microhabitat selection of Hydropsyche exocellata Dufour (Trichoptera, Hydropsychidae) in a Mediterranean river affected of organic pollution : the Guadaira River (S. Spain) [PDF]

open access: yes, 2007
During the wet season, floods in the Guadaira river can reach up to 2000 m3/s flow, whereas during dry season the river only receives crude domestic sewage effluents and periodical industrial effluents from olive oil factories.
Gallardo-Mayenco, Alfonso   +1 more
core  

The Microbial Flora of Acid Mine Water and its Relationship to Formation and Removal of Acid [PDF]

open access: yes, 1968
(print) viii, 124 p. illus. 28 cm.Title Page -- Table of Contents -- List of Tables -- List of Figures -- I: Introduction -- II: The Influence of Acid Water on Aerobic Heterotrophs of A Normal Stream -- III: The Relative Influence of Iron, Sulfate and ...
Dugan, Patrick R.   +1 more
core  

ISEV2025 Abstract Book

open access: yes
Journal of Extracellular Vesicles, Volume 14, Issue S1, October 2025.
wiley   +1 more source

Effects of Improved Saline-Alkali Soil with Synergistic Addition of Coal Slime and Silica Calcium Slag on Wheat Growth

open access: yesBioResources
The feasibility was explored for synergistic addition of coal slime and silica calcium slag for saline-alkali soil improvement. A pot method was used to evaluate the effects on physicochemical properties of saline-alkali soil and wheat growth.
Ruixin An   +3 more
doaj  

Home - About - Disclaimer - Privacy