0086-21-58386256

Bond Work Index

Comminution. Barry A. Wills, James A. Finch FRSC, FCIM, P.Eng., in Wills' Mineral Processing Technology (Eighth Edition), 2016 Bond Tests. The most widely used parameter to measure ore hardness is the Bond work index Wi.Calculations involving Bond's work index are generally divided into steps with a different Wi determination for each size class. The low energy …

WhatsApp: +86 18221755073

A quick method for bond work index approximate …

The Bond work index is a measure of ore resistance to crushing and grinding and is determined using the Bond grindability test. Its value …

WhatsApp: +86 18221755073

Determination of Bond index of Birnin- Gwari Iron Ore in Nigeria

In this study, the Bond work index of Birnin- Gwari iron ore in northern Nigeria is determined using modified Bond's method using 'reference ore'.

WhatsApp: +86 18221755073

Determination of Work Index of Muro Iron Ore Using Marble and …

The Bond's equation was then used to calculate the work index of the Muro iron ore which was found to be 24.84 kWh/ t when marble was used as reference ore and 27.41 kWh/ t when granite was used ...

WhatsApp: +86 18221755073

Bond Work Index Procedure and Method

This Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore …

WhatsApp: +86 18221755073

(PDF) COMPARISON OF THE DIFFERENT WAYS …

The initial size of the sample is strictly defined to be - 3.35 mm. This paper describes the methodology for the determination of the Bond work index when coarse or fine raw material is found in the initial sample (i.e. when the initial …

WhatsApp: +86 18221755073

Rapid determination of Bond rod-mill work index by modeling the

The objective of this study was to conduct a rapid determination of Bond work index by considering grinding kinetics of the particles in standard Bond rod-mill as well as size-mass balance equations in the mill. ... a material generated from mechanical degradation of coke during handling which is used as solid combustible in iron ore sintering ...

WhatsApp: +86 18221755073

Variability Study of Bond Work Index and Grindability Index on …

It is a well-known fact that the value of the Bond work index (wi) for a given ore varies along with the grinding size. In this study, a variability bysis is carried out with the Bond standard grindability tests on different critical metal ores (W, Ta), ranging from coarse grinding (rod mills) to fine grinding (ball mills). The relationship between wi and grinding size did not …

WhatsApp: +86 18221755073

Determination of Bond index of Birnin- Gwari Iron Ore in Nigeria

Bond work index of Birnin- Gwari iron ore in northern Nigeria is determined using modified Bond's method using 'reference ore'. Samples of iron ore were sourced using random method,

WhatsApp: +86 18221755073

Determination of Bond index of Birnin- Gwari Iron Ore in Nigeria

In this study, the Bond work index of Birnin- Gwari iron ore in northern Nigeria is determined using modified Bond's method using 'reference ore'. Samples of iron ore were sourced using random method, reference minerals; marble and granite of known weight and iron ore of known weight were ground using the laboratory ball mill grinding ...

WhatsApp: +86 18221755073

Determination of Bond index of Birnin- Gwari Iron Ore in Nigeria

Bond index is useful in designing of grinding system in mineral processing. In this study, the Bond work index of Birnin- Gwari iron ore in northern Nigeria is determined using modified Bond's method using 'reference ore'. Samples of iron ore were sourced using random method, reference minerals; marble and granite of known weight and iron ore of known weight …

WhatsApp: +86 18221755073

Determination of Bond Index of Wasagu Manganese Ore in Kebbi …

In this study, the work index of Wasagu Manganese Ore deposit in Kebbi State of Nigeria was determined using the modified Bond's Method of determining work index also known as Berry and Bruce method. Sample of Manganese ore was sourced using random sampling method. Reference mineral (Granite) of known weight and work index (15.14 Kwh /tone) was ground for …

WhatsApp: +86 18221755073

Determination of Bond index of Birnin- Gwari Iron Ore in Nigeria

Discover the significance of Bond index in mineral processing and its application in grinding system design. Explore a study on the Bond work index of Birnin-Gwari iron ore in Nigeria …

WhatsApp: +86 18221755073

Characterization and Bond Work Index Determination of Low …

As well as, the Bond Work Index (BWI) and consumed power to grind one tone of iron ore were determined via standard Bond mill. The results showed that the ore is hematitic ore with Goethite and quartz minerals. The ore is low grade containing 41.41 % Fe2O3 and 50.88 SiO2.

WhatsApp: +86 18221755073

Prediction of Bond's work index from field

DOI: 10.1016/J.MINPRO.2016.10.006 Corpus ID: 99402495; Prediction of Bond's work index from field measurable rock properties @article{Chandar2016PredictionOB, title={Prediction of Bond's work index from field measurable rock properties}, author={Karra Ram Chandar and S. N. Deo and Ashwin J. Baliga}, journal={International Journal of Mineral Processing}, year={2016}, …

WhatsApp: +86 18221755073

DETERMINATION OF THE BOND'S WORK INDEX OF …

determination of the work index of BirninGwari iron ore in Nigeria. - A reference ore is ground for a certain time period and the power consumption recorded. An identical weight of the test ore is then ground for a length of time such that the power consumed is identical with that of the reference ore. Equation 1 gives the work index of the ...

WhatsApp: +86 18221755073

Characterization and Bond Work Index Determination of Low …

The ore is low grade containing 41.41 % Fe2O3 and 50.88 SiO2. The bond work index test obtained high work index 52.60 kw.h/t and consumed power 11.72 kw.h/t to grind one ton of low grade iron ore and this attributed to the high concentration and hardness of quartz mineral which is considered the main gangue of the ore in study area .

WhatsApp: +86 18221755073

EFFECT OF OPERATING VARIABLES ON BOND'S WORK INDICES DETERMINATION

The Bond work index is a measure of ore resistance to crushing and grinding and is determined using the Bond grindability test. Its value constitutes ore characteristic and is used for industrial ...

WhatsApp: +86 18221755073

Procedure for determination of ball Bond work index in the …

A Bond Ball Mill Work Index test is a standard test for determining the ball mill work index of a sample of ore. It was developed by Fred Bond in 1952 and modified in 1961 (JKMRC CO., 2006).This index is widely used in the mineral industry for comparing the resistance of different materials to ball milling, for estimating the energy required for grinding, and for ball …

WhatsApp: +86 18221755073

Characterization and Bond Work Index Determination of Low …

We are not allowed to display external PDFs yet. You will be redirected to the full text document in the repository in a few seconds, if not click here.click here.

WhatsApp: +86 18221755073

Determination Bond Work Index Of Iron Ore

Rapid determination of Bond rod-mill work index by … In this paper, iron ore sample from the Chadormalu was investigated to determine some comminution properties. Chadormalu deposit is one of the largest iron ore mine in Iran, which is located in Yazd province. ... The objective of this study was to conduct a rapid determination of Bond work ...

WhatsApp: +86 18221755073

Procedure for determination of ball Bond work index in the …

TL;DR: In this paper, the authors used the calculated retention time of the iron ores as a standard grinding reference time to the laboratory ball mill for optimizing the grinding time of each ore, and obtained a desired P80 (150μm) with an acceptable range of hematite liberation (> 75%) after reducing 6min from the total retention time taken in the Bond ball mill.

WhatsApp: +86 18221755073

Characterization and Bond Work Index Determination of Low …

The results showed that the ore is hematitic ore with Goethite and quartz minerals. The ore is low grade containing 41.41 % Fe2O3 and 50.88 SiO2. The bond work index test obtained high work index 52.60 kw.h/t and consumed power 11.72 kw.h/t to grind one ton of low grade iron ore and this attributed to the high concentration and hardness of ...

WhatsApp: +86 18221755073

Characterization and Bond Work Index Determination …

As well as, the Bond Work Index (BWI) and consumed power to grind one tone of iron ore were determined via standard Bond mill. The results showed that the ore is hematitic ore with Goethite and quartz minerals. The ore is low grade …

WhatsApp: +86 18221755073

(PDF) Quick Method for Estimating Bond Work Index

Metals, 2021. It is a well-known fact that the value of the Bond work index (wi) for a given ore varies along with the grinding size. In this study, a variability bysis is carried out with the Bond standard grindability tests on different critical metal ores (W, Ta), ranging from coarse grinding (rod mills) to fine grinding (ball mills).

WhatsApp: +86 18221755073

(PDF) Effect of magnetite content on Bond work index and

The present investigation involves the identify the physical properties of three different types of iron ores by using Bond ball mill. The result shows that the maximum Bond work index of 14 KWh/mt was obtained for 'A' type iron ore sample. The Bond work index for 'B' and 'C' type iron ore sample are of 11 and 10 KWh/mt.

WhatsApp: +86 18221755073

Bond Work Index Procedure and Method

This Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples. These equation application methods are used to process <1/2″ ore …

WhatsApp: +86 18221755073

DETERMINATION OF THE WORK INDEX OF ZURAK …

The reference ore used was Itakpe Iron ore whose work index is 8.71Kwh/tonne (Smith & Lee, 1968 in Sirajo, 2008). The grinding was conducted dry. Sieve size ... Determination of the bond's work index of Baban Tsauni (Nigeria) lead-gold ore. European Scientific Journal, 78-86. Levin, J. (1989). Observation on Bond standard

WhatsApp: +86 18221755073

Prediction of Bond's work index from field measurable rock …

Bond's work index is very useful in blasting and communition process, but its determination is very lengthy and cumbersome process ... to stress fracture ore samples and the standard Bond's grindability tests showed that microwave heating reduced the work index of iron ores by 10 to 24%. ... Rapid determination of Bond rod–mill work index by ...

WhatsApp: +86 18221755073

Determination of Work Index of Muro Iron Ore Using Marble and …

The work index of Muro iron ore was determined using the modified Bond's method also known as Berry and Bruce method. This study used iron ore obtained from Muro town, a community in …

WhatsApp: +86 18221755073

Solutions