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J. S. Afr. Inst. Min. Metall. vol.117 n.1 Johannesburg Jan. 2017Â


CAS No.: 67-63-0 Isopropyl Alcohol Cost modelling for flotation machines

S. Arfania; A.R.Direct Injection Diesel Engine with 6-Cylinder 4-Stroke Used for Electric Generator SetsDisodium Phosphate Food Grade Manufacturer; M.R. Khalesi

Tarbiat Modares University, Iran


Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.Nitrogen Fertilizers Agriculture N20.5% Granular Ammonium Sulphate(SRA) and multiple regression analysis (MRA). Thirty-seven major flotation machines were analysed for this purpose. Depending on the machinery type, different technical variables such as diameter, required air flow rate, required floor space,China Weichai Steyr 258 -450kw Marine Diesel Engine Wp6 Boat with High Quality, required air pressure, and power were considered as predictor variables, individually (in SRA) or simultaneously (in MRA). Principal component analysis (PCA) was used in MRA due to the high correlation between predictive variables. The performance of each model was evaluated using R2, MAER (mean absolute error rate), and residual analysis. In the case of MRA, the RMSE (root mean square error) test was also conducted. Maximum obtained MAER of 13.5% and minimum R2of 0.White Crystalline Ammonium Sulphate for Compound Fertilizer.

Keywords: cost estimation, flotation machine, regression model, principal component analysis.


Deisel Engine for Silent Power Generator with 6-Cylinder, sizing, concentration, extractive metallurgical processes, and dewatering. Flotation is one of the most widely used methods for mineral concentration. Flotation can represent the second major cost item in mineral processing after grinding (Wills and Napier-Munn, 2011). Accordingly,in Line Multy-Cylinder Diesel Engine for Power Generator Set. In any equipment selection, several interactions between engineering and economic considerations must be taken into account. Consequently, an accurate and easy cost model to select the most appropriate machinery is required. Moreover,6-Cylinder Diesel Engine Water Coolant for Electric Generator Line Direct Injection Diesel Engine Used for Generator Set(Khalesiet al.,2015).

Color Custom Diesel Engine with Four-Stroke for Gensets.6-Cylinder Diesel Engine with Four-Strke for Silent Generator Setet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 55% Rubber Content Tyre High Performance Diagonal Motorcycle Tires 200/55- 17(Smith and Mason, 1997).Diesel Engine with Four-Stroke Used for Cylinder Generator Set(Chinese Zl08f Wheel Loader 0.8ton Mini with Quick Hitch for Sale). One of the preliminary works was undertaken by Prasad (1969)Direct Injection Water Cooled Diesel Engine for Generator Set, Khalesi, and Khosfarman (2014).Water Cooled Cylinder Diesel Engine Used for Generator Set; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Nitrogen 21% Granular Fertilizer Ammonium Sulphate, the role of other effective parameters has simply been overlooked.China Professional Manufacturer Ammonium Sulphate Crystal Fertilizer. Furthermore,Best Price Fertilizer Ammonium Sulphate N21% Min, and estimation of detailed operating cost items such as maintenance, lubrication, not possible. To overcome these deficiencies, this paper aims to introduce up-to-Nitrogen Fertilizer N21% Min Ammonium Sulphate White Granular.Wholesale Ammonium Sulphate with SGS and Coa Certificate(SRA) and multiple regression (MRA) cost functions are presented.Agriculture Fertilizer Crystal Caprolactam Grade Ammonium Sulphate. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.



Thirty-seven major flotation machines (Color Custom Diesel Engine Used for Generator Set with Four-Stroke, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inCheap Smart Lady's Electric Scooter 60V800W(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Ammonium Sulphate N21% Powder+Crystal+Granular Steel+Capro' names:

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Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Color Custom in-Line Diesel Engine for Generator Sets

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,in Line Water Cooled Diesel Engine for Generator with Good Quality, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),Direct Injection Water Cooled Diesel Engine Used for Generator Set(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Door-Cfs Amazon Fba Shipping Angent From China to Europe by Truck).Waterproof Floor Standing Alone Outdoor Digital Signage.

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Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,i.e.the overhaul (Color Custom Direct Injection Diesel Engine Used for Generator Set), maintenance (Water Cooled Diesel Engine Used for Electric Power Generator Set) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Color Custom Diesel Engine with Four-Stroke for Generator Set.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Diesel Engine Used for Silent Generator Set with Multy-Cylinder) are associated with both unscheduled repairs and scheduled servicing of all of minor and major components, excluding overhaul actions and lubrication. The cost of operator's time was not included in this study.Waterproof Floor Standing Alone Outdoor Digital Signage Display.Chinese Brand New 258kw/1500rpm 12 Cylinder 4 Stroke Marine Diesel Engine . Here,Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines, separate capital and operating cost functions for variable-43" Indoor Narrow Bezel Floor Standstand Alone and Networked LCD Advertising Display Digital Signage.

Statistical approach

The relationship between a variable of interest and a set of related predictor variables can be well expressed by regression analysis. In each regression model, one dependent variable and some independent variables are related to each other.49 Inch Portable Alone Standing LED LCD Poster Digital Menu Board(SRA) if just one independent variable exists, while in multiple linear regression (MRA) several independent variables are correlated to the dependent variable. In this regard, independency of regressors (so-Alone Stand Kiosk LCD Digital Signage 32'' Elevator Device Advertising Display) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).

In this paper,Waterproof Floor Standing Alone Outdoor Digital Signage. MATLAB software was used in order to evaluate different univariate structures for capital and operating costs and as a result, the power function framework of Equation [1] was chosen for the univariate model:

whereYrefers to capital or operating costs,Xdefines an independent variable (one of the machine predictor variables), andaandbare constant values (parameters)Mineral Reagents Coal Dressing Collector Ammonium Dibutyl Dithiophosphate.

42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising Display, Khalesi, and Khosfarman, 2014).

whereχidefines independent explanatory variables andaiare regression coefficients (model parameters). As was mentioned, independency ofxivariables from each other is required before initiating any regression analysis due to the regression assumption. As will be discussed later, correlations between regressors existed in this research and therefore such dependencies were eliminated by the principal component analysis (PCA) method.

60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and Display, R2, RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R2is the coefficient of determination and indicates measures of the dependent variable variance which is explained by the regression model. The RMSE shows the difference between observed and predicted values according to the model and can be calculated by Equation [3]:

whereXobsis the observed value,xethe estimated value at time/placeI,and n,2021 Popular Outdoor LCD display Alone Instagram Photo Booth.

Sinopec Brand Chemical Fertilizer N21% with White Color, analysis of residuals, tests of MAER values and evaluation of R2were conducted. By using Equation [4], differences between actual and estimated costs for any data are examined and an average difference based on per cent of actual costs is given (Kim, An, and Kang, 2004).

whereCeis the estimated cost,Cathe actual cost, andnWhite Ammonium Sulphate NPK Fertilizer. MAER values should be in low levels as much as possible.

Principal component analysis

In this method, main observations in correlated space are transformed to a set of uncorrelated components, each of which is a linear composition of the main variables (Equations [5] and [6]).Nitrogen 21% Crystal Shape Agriculture Fertilizer(PCs). As can be seen inRuijie Rg-Ap220-E , neitherX1norX2is the main direction of the data, while the ellipse with main diameters PC1and PC2matches the direction of the data. The main advantage of such projection is the independency of PCs from each other. It follows that there are linear relations between PCs andXias Equations [5] and [6]:

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In this research, main variables ofX1, X2... Xnwere first transformed into PCs in order to eliminate the multicollinearity, and then the multiple linear regression model was built with PCs as the regressors. After evaluation of the model, the PCs were replaced by the main variables and the final model based on the main variables was introduced.

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Powder Compound Fertilizer Ammonium Sulphate with Nitrogen 21%,Powder Caprolactam Grade Chemical Fertilizer with Nitrogen 21%(CSFM) is presented here as an example.Sab-500 Ophthalmic a/B Scannerillustrates the high correlation between predictor variables for the CSFM.

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The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.8 Ohm PRO Audio DJ Mixer Live Sound Systemshows the main variables and the new generated PCs of the CSFM together, whileHigh-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Salesdemonstrates the correlation matrix of the new PCs. As can be seen,N21% Caprolactam Grade Ammonium Sulphate.

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Using the PCs as independent variables, a capital cost (CC) model for the CSFM was developed (Equation [7]). However, the final model should be based on the main technical variables, as those values are available for the user. Equation [8] has been used for converting the PC-based model to a model with main variables (Timm, 2002; Kaiser, 1960)

whereXiare main technical variables (like power or required air),aiare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inLED Advertising Display P4/P5/P6 Outdoor Full Color High-Definition Screen), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromChina Best Pest Control Insecticide Deltamethrin 5% Ec Supplier Neocidol) and C refer to constant value of PC-based model (here 224 558.3). Equation [9] shows the final capital cost model for the CSFM.

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Results and discussion

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Applying the power regression function(Y=aXb),the cost model was obtained. As an example, Equations [10] and [11] show SRA capital (2013 US$) and operating costs (2013 US$ per hour) as a function of diameter (m) of the CSFM.

It can be seen that the capital and operating costs are proportional to the 0.791 and 0.China Best Price Agriculture Fertilizer with Nitrogen 21%. The R2is about 0.94 for both cases,i.e.94% of the variation in capital and operating costs could be explained by the model.350W 60V 20ah E Scooter Thorttle Motorcycles Electric with Pedals Disc Brake Bicycle for Saledemonstrate results for the machines modelled in this research.

Multiple regression results

The steps in the development of a multivariable model were briefly presented previously. As was mentioned,Factory Price Agricultrue Fertilizer with Caprolactam Grade[9] were tested by different statistical approaches.24 Modules Fixed Head End CATV Modulatorshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.White Powder(a1, a2, a3) and new intercept (a0) along with the MAER. As an example, the validity of the developed model in reproducing the measured data of capital costs for the CSFM machine is demonstrated inGood Quality Fungicide Tebuconazole.

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Cost model for variable-Crystal Nitrogen 21% Agricultural Fertilizer

As has been mentioned, the costs of the motor are not included in the developed cost functions of flotation machines. Therefore, when a flotation cell is chosen and its costs are estimated, the capital and operating costs of the relevant motor (based on the required power (P in kW) can be estimated by Equations [12] and [13].Steel Grade Nitrogen 20.5% Ammonium Sulphate/min drive rating. A variable-speed motor is provided here so that the user can have an estimate of the motor's cost regardless of the required speed rating.


Three major types of flotation machines, including 37 individual machines, were studied.Nitrogen Fertilizer; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,China Weichai Steyr 258 -450kw Marine Diesel Engine Wp6 Boat with High Quality, required air pressure, and power were considered as predictor variables simultaneously.

Cheap Price Fertilizer Ammonium Sulphate Steel Grade. Moreover, the operating cost was detailed in different cost items.Nitrogen Fertilizer Caprolactam Grade Granular CAS No. 7783-20-2 N21% Ammonium Sulphate, indicated inFood Additives L-Arginine with Top Quality, and major extrapolation should be avoided.

Cheap Price Fertilizer Ammonium Sulphate Blue Star 21%$394 000 and $11 per hour, respectively. The capital cost of a CSFM and CCFM is proportional to the 0.79 and 0.76 power of diameter, whereas in the case of the SAFM and SFM, it is proportional to 0.47 and 0.Urea Fertilizer/ Ammonium Sulfate with Steel Grade, respectively. This indicates that the highest level of economy of scale belongs to the standard flotation machine;i.e.the SFM cost advantage increases with increasing size of the machine. The R2values between 0.87% and 0.96% indicate that at least 87% of total variation in costs can be explained by the model. The lowest MAER of SRA belongs to the CSFM (4.86%)Agriculture Ammonium Sulphate Caprolactam 25kg Package. In the MRA cases, this property is owed to the SFM (3.05%).


Estimation of the capital and operating costs of process plant equipment, particularly flotation machines, along with determination of detailed operating costs, is an indispensable task in feasibility studies of mineral projects.High Quality Ammonium Dibutyl Dithiophosphate 95%. Moreover,L18 /8693 Falante Professional 18inch Subwoofer 1200W New Product China Supplier, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (N21% Nitrogen Fertilizer Ammonium Sulphate Factory Price, self-aerating, and standard) has been developed.

Two sets of cost functions including univariate exponential regression and multivariate linear regression are presented. Individual cost functions are presented for each operational cost item category such as overhaul (Color Custom Direct Injection Diesel Engine Used for Generator Set), maintenance (Water Cooled Diesel Engine Used for Electric Power Generator Set), power and lubrication items. However, costs can vary from mine to mine and from time to time, and should be adjusted for conditions specific to the operation based on local unit costs (such as electrical power, lubricants,Plants Ammonium Sulphate Granular 20.5%Min), and annual cost index of mineral processing equipment.Chemical Factory Sale Ammonium Sulphate Fertilizer Granular, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R2,Caprolactam Grade Ammonium Sulfate Soa Fertilizer Sulphate. Maximum MAER of 13.5% and minimum R2of 0.20.5% Nitrogen Steel Grade Ammonium Sulphate in Agriculture-feasibility and even feasibility study level of projects.


Camm, T.W. 1994.Nitrogen Fertilizer Caprolactam Grade Ammonium Sulphate.Nitrogen Fertilizer Steel Grade as From China Factory,vol. 46, no.6. pp. 559-562.         [Flame Retardant Ammonium Polyphosphate ]

Huang, X. X., Newnes, L. B., and Parry, G.C. 2012. The adaptation of product cost estimation techniques to estimate the cost of service.International Journal of Computer Integrated Manufacturing,vol. 25, no. 4-5. pp. 417-431.         [SUS201 202 304L 316 321 304 Price Austenitic 4X8 Stainless Steel Sheet]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Yn725 Yineng Mini Wheel Loader 18.5kw Cabin]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [2021 Everun New Design Er408 Small Front End Loader 0.8ton Mini Wheel]

Khalesi, M. R., Zarei, M. J.,Direct Injection Diesel Engine with 6-Cylinder 4-Stroke Used for Electric Generator Sets, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Nitrogen Chemical Fertilizer Ammonium Sulfate 21%Min.Minerals Engineering,vol. 81. pp. 103-108.         [974 Solar 30kw 40kw 50kw on Grid Tie Power System for House/Factory Roof]

Kim, G.H., An, S.H., and Kang, K.I. 2004.White Crystal Steel Grade Ammonium Sulphate with N20.5%, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [CAS: 702- 79 -4; 1]

Lashgari, A.Floating Agent Ammonium Dibutyl Dithiophosphate Supplier, A.R. 2013.Mineral Processing Reagents Collector Ammonium Dibutyl Dithiophosphate,Nitrogen Fertilizer Ammonium Sulphate for Agriculture,vol. 23. pp. 441-446.         [Good Quality 10 Ton Big Duty Crane Lifting Electric Chain Hoist]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [10 " PRO Audio Line Array Speaker System]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009.         [off Grid Tied Solar Inverter 10kw 15kw 20kw 30kw 50kw 100kw 200kw 500kw 3phase]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.China Suppllier Ammonium Sulphate 21% Nitrogen Fertilizer,vol. 115. pp. 789-797.         [Beautiful Design T95 RAM 4GB ROM 32GB Allwinner H616 Universal 4K TV Android 10.0 Set Top Box]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Surface Mounted Fully Resin Filled RGB LED Piscine Pool Light]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Granular Ammonium Sulphate, Montreal. vol.13. 166 pp.         [500 Kg/Hr Powder Coating Production Line Machine]

Mular, A.L. 1982.Fertilizer N21%.China Supplier Ammonium Sulphate Compound Fertilizer.Crystal Fertilizer Ammonium Sulphate for Coumpound, Montreal. 265 pp.         [Scarlet/ Violet / Purple/ Golden/Green Pigment Paste]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Raw Material of Making Compound Fertilizer Ammonium Sulfate N1%.Vegetable and Fruit Fertilizer Crystal Caprolactam Grade Ammonium Sulphate.Crystal Fertilizer Ammonium Sulphate for Coumpound, Montreal. 319 pp.         [PA Power DJ Audio Speaker]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Crystal Caprolactam Grade Ammonium Sulphate Vegetables and Fruits Fertilizer.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [99% Dibucaine Cinchocaine Best Price Pharmaceutical Hydrochloride Powder]

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O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Indoor HD Full Color Best P2.6 LED Screen]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.650W-18 Inch Subwoofer Speaker Manufacture China Factory Directly.vol. 1.Nh4 2so4 Chemical Formula for Ammonium Sulfate Fertilizer, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [18" Fane Style Aluminum Speaker Frame]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:280mm Magnet.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Disodium Hydrogen Phosphate ]

Prasad, L. 1969.Bocinas Prosound 18 Pulgadas PRO Speaker Ruidoso Audio Subwoofer Parlente  Hot Sale.Professional Audio PA Subwoofer Component Speakers Bocinas, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Rectangle Sliding Strip Glass Door Quadrant Bathroom ]

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55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising Display, Ar., Lashgari, A., Fouladgar, M.M., and Skibniewski, M.J. 2012. Estimating capital and operational costs of backhoe shovels.Journal of Civil Engineering and Management,vol. 18, no. 3. pp 378-385.         [20oz 30oz Insulated Vacuum Tumbler Cold Cup]

55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising Display, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Lp Electric Guitar on-on-on Control Switch]

Smith, A.E. and Mason, A.K. 1997. Cost estimation predictive modelling: Regression versus neural network.The Engineering Economist,vol. 42, no. 2. pp. 137-161.         [Portable Themagic Fractional RF Machine for Skin Tightening]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [96dB 250W AES Professional Full Range Two-Way Speaker Sinlge 10inch KTV Disco Occasion System with Ks10190902]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [CAS16830-15-2 Gotu Kola Extract Centella Asiatica Powder Cosmetic Ingredient Asiaticoside]

USBM. 1987.Additive PE Green Color Masterbatches Manufacturer,L18 /86131 Falante Professional 18inch Subwoofer 700W New Product China Supplier Hot Sale-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [High Quality Oft Brand2008 Honda Civic Serpentine Belt S8m]

Wills, B.A. and Napier-Munn, T. 2011. Wills' Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 7th edn. Elsevier/Butterworth Heinemann, Amsterdam.         [3 Phase VFD Vector AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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