Results 11 to 20 of about 115,562 (259)

INVESTIGATION OF THE RELATIONSHIP BETWEEN BOND GRINDABILITY TEST AND STATIC AND DYNAMIC STRENGTH OF ROCKS

open access: yesEskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, 2022
The Bond method is widely used in the design of grinding circuits in an ore preparation plant, sizing of mills, determining power requirements and determining and measuring performance, and for materials considered to be comminution.
Yakup Umucu, Yaşar Hakan Gürsoy
doaj   +1 more source

A Comparative Study of Energy Efficiency in Tumbling Mills with the Use of Relo Grinding Media

open access: yesMetals, 2021
An evaluation of Relo grinding media (RGM, Reuleaux tetrahedron-shaped bodies) performance versus standard grinding media (balls) was made through a series of grinding tests, including a slight modification of the standard Bond test procedure.
Nikolay Kolev   +5 more
doaj   +1 more source

Bond Performance of Hook-End Steel Fiber to the Mortars Cured for 360 Days

open access: yesBuildings, 2022
The reliable bond of steel fibers to concrete matrix is fundamental to ensure they work together under internal and external actions throughout their service life.
Xinxin Ding   +5 more
doaj   +1 more source

Grain-size distribution of starting sample of size class -3.35 mm: Reliability factor of the Bond work index of grindability [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2013
The investigation of the Bond' work index of grindability of low-grade and high-grade copper ore from the Copper Mine Bor has given two, for the theory and practice of comminution processes, significant results.
Stanojlović Rodoljub   +2 more
doaj   +1 more source

Efficiency of the green bond market and its role in regional security [PDF]

open access: yesE3S Web of Conferences, 2020
Financing capital-intensive projects in the green economy is possible through green bonds. The assessment of the economic efficiency of the green bond market, the determination of its role in ensuring the energy and economic security of the regions and ...
Karginova-Gubinova Valentina   +2 more
doaj   +1 more source

Dependence of the Bond work index of grindability on grain-size distribution of the starting sample of size class -3.35mm [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2013
The research results of the effect of grain-size distribution of the starting sample of size class -3.35 mm on the value of the Bond work index OF grindability, obtained by the method of shortened procedure by prof. N. Magdalinović, clearly indicate that
Stanojlović Rodoljub   +2 more
doaj   +1 more source

STUDYING THE EFFECT OF ORE TEXTURE ON THE BOND WORK INDEX AT THE MAHD AD DAHAB GOLD MINE: A CASE STUDY

open access: yesRudarsko-geološko-naftni Zbornik, 2020
The grinding process in industrial ball mills is the basic unit and most energy-consuming component. Therefore, great economic gains will be achieved if a slight improvement occurs in the efficiency of grinding.
Gamal S. Abdelhaffez
doaj   +1 more source

Application of the Cumulative Kinetic Model in the Comminution of Critical Metal Ores

open access: yesMetals, 2020
Over the last decades, several reliable mathematical models have been developed for simulating ore comminution processes and determining the Work Index.
Victor Ciribeni   +6 more
doaj   +1 more source

Determination of the parameters affecting the grindability of coal surrounding rocks [PDF]

open access: yesJournal of Mining and Metallurgy. Section A: Mining
This study investigates the grindability parameters of coal surrounding rocks (sandstone and siltstone) from the Zonguldak Basin using Hardgrove Grindability Index (HGI) and Bond Work Index (BWI) tests.
Aldı Ç., Yaralı O.
doaj   +1 more source

The effect of microwave radiation on grinding kinetics by selection function and breakage function - A case study of low-grade siliceous manganese ores [PDF]

open access: yesJournal of Particle Science and Technology, 2018
In this study, the effect of microwave radiation on grindability and grinding kinetics were investigated. Microwave treatment was performed using an oven with 1100 W power and 2.45 GHz frequency.
Monireh Heshami   +2 more
doaj   +1 more source

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