Results 71 to 80 of about 9,806 (193)
Study on compound optimization and performance of pulverized coal wetting suspension agent
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
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]
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
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
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]
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]
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]
(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
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

