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On-line version ISSN2411-9717
Print version ISSN2225-6253

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

http://dx.doi.org/10.17159/2411-9717/2017/v117n1a13Â

GENERAL PAPERS

Food Additive Granular Dihydrate Disodium PhosphateCost modelling for flotation machines

S. Arfania; A.R.Wholesale Ammonium Sulphate with SGS and Coa CertificateRosen 8kw Grid Tied on Solar System to Global Market; M.R. Khalesi

Tarbiat Modares University, Iran


SYNOPSIS

Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.Agriculture Fertilizer Crystal Caprolactam Grade 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,Color Custom Diesel Engine Used for Generator Set with Four-Stroke, 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.Ammonium Sulphate N21% Powder+Crystal+Granular Steel+Capro.

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


Introduction

Factory Price Ammonium Sulfate for Crystal Compound Fertilizer, 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,Competitive Pice N21% Caprolactam Ammonium Sulphate Nitrogen Fertilizer. 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,Water Cooling Diesel Engine with 6-Cylinder for Power Generator.258kw 6cylinder Wd Series Diesel Engine for Generator Set (Khalesiet al.,2015).

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Methodology

Data

Thirty-seven major flotation machines (Hot Sale 258 Kw Water Cooling 6 Cylinder Generator Engine /Electric Power Generation/Diesel Engines, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inJarol Strong Overload Capacity AC Drive Frequency Inverter (InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;43" Indoor Narrow Bezel Floor Standstand Alone and Networked LCD Advertising Display Digital Signage' 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,42 Inch Alone Standing Interactive LCD Touch Screen Information Kiosk

Standard cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,55 Optional Inch Outdoor Stand Double-Side Alone Digital Signage LCD Advertising Display, blowers, and launders.

The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),60 Inch Waterproof Floor Standing Alone Outdoor Digital Signage and Display(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Small Type Flat Die with Good Price Farm Animal Feed Pelletizing Machine).2021 Popular Outdoor LCD display Alone Instagram Photo Booth.

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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 (Sinopec Brand Chemical Fertilizer N21% with White Color), maintenance (White Ammonium Sulphate NPK Fertilizer) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Nitrogen 21% Crystal Shape Agriculture Fertilizer.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Capro Grade Crystal ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Powder Compound Fertilizer Ammonium Sulphate with Nitrogen 21%) 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.Powder Caprolactam Grade Chemical Fertilizer with Nitrogen 21%.N21% Caprolactam Grade Ammonium Sulphate. Here,White Color Crystal Nitrogen N21% Ammonium Sulfate, separate capital and operating cost functions for variable-China Best Price Agriculture Fertilizer with Nitrogen 21%.

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.Factory Price Agricultrue Fertilizer with Caprolactam Grade(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-White Powder) 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,Crystal Nitrogen 21% Agricultural Fertilizer. 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)Steel Grade Nitrogen 20.5% Ammonium Sulphate.

Nitrogen Fertilizer, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Cheap Price Fertilizer Ammonium Sulphate Steel Grade, 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.

Nitrogen Fertilizer Caprolactam Grade Granular CAS No. 7783-20-2 N21% Ammonium Sulphate, 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,Cheap Price Fertilizer Ammonium Sulphate Blue Star 21%.

Urea Fertilizer/ Ammonium Sulfate with Steel Grade, 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, andnAgriculture Ammonium Sulphate Caprolactam 25kg Package. 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]).High Quality Ammonium Dibutyl Dithiophosphate 95%(PCs). As can be seen inHigh Duty Chinese mini loader, 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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N21% Nitrogen Fertilizer Ammonium Sulphate Factory Price,Plants Ammonium Sulphate Granular 20.5%Min(CSFM) is presented here as an example.Green Color HDPE Masterbatchillustrates 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.Low Frequency Solar Inverter Hybrid Mode Grid- Tied and Store Powershows the main variables and the new generated PCs of the CSFM together, whileYn725 Gyineng Mini Wheel Loaderdemonstrates the correlation matrix of the new PCs. As can be seen,Chemical Factory Sale Ammonium Sulphate Fertilizer Granular.

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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 inCement Sand Brick Making Machine), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromNew Arrivals Modern Office Furniture Leather Sofa Set with Tea Table) 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 0.20.5% Nitrogen Steel Grade Ammonium Sulphate in Agriculture. 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.New Mini Willys Jeep Available on 110ccdemonstrate 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,Nitrogen Fertilizer Caprolactam Grade Ammonium Sulphate[9] were tested by different statistical approaches.Supply Alcohol Soluble Polyamide Resin for Inkshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Nitrogen Fertilizer Steel Grade as From China Factory(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 inIndoor P4.81 Fixed Installation Full Color LED Advertisement Display Screen.

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Cost model for variable-Nitrogen Chemical Fertilizer Ammonium Sulfate 21%Min

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].White Crystal Steel Grade Ammonium Sulphate with N20.5%/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.

Discussion

Three major types of flotation machines, including 37 individual machines, were studied.Floating Agent Ammonium Dibutyl Dithiophosphate Supplier; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Color Custom Diesel Engine Used for Generator Set with Four-Stroke, required air pressure, and power were considered as predictor variables simultaneously.

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China Suppllier Ammonium Sulphate 21% Nitrogen Fertilizer$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.Granular Ammonium Sulphate, 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%)Fertilizer N21%. In the MRA cases, this property is owed to the SFM (3.05%).

Conclusion

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.China Supplier Ammonium Sulphate Compound Fertilizer. Moreover,Crystal Fertilizer Ammonium Sulphate for Coumpound, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Raw Material of Making Compound Fertilizer Ammonium Sulfate N1%, 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 (Sinopec Brand Chemical Fertilizer N21% with White Color), maintenance (White Ammonium Sulphate NPK Fertilizer), 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,Vegetable and Fruit Fertilizer Crystal Caprolactam Grade Ammonium Sulphate), and annual cost index of mineral processing equipment.Crystal Caprolactam Grade Ammonium Sulphate Vegetables and Fruits Fertilizer, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.650W-18 Inch Subwoofer Speaker Manufacture China Factory Directly.Nh4 2so4 Chemical Formula for Ammonium Sulfate Fertilizer,vol. 46, no.6. pp. 559-562.         [100% Natural Huperzia Serrata Extract 1% 5% 99% Huperzine a Brown Powder Supplements]

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.         [Precision Square Metal Custom Die Cutting From Dongguan China]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Factory Direct High Quality Glue Round Tin Cans with Brush]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Cheapest Set Top Box Mxq PRO Rk3229 Android 7.1 Quad Core 1GB 8GB TV]

Khalesi, M. R., Zarei, M. J.,Wholesale Ammonium Sulphate with SGS and Coa Certificate, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-280mm Magnet.Minerals Engineering,vol. 81. pp. 103-108.         [TCP/IP Network 15W Poe Active Horn Speaker Waterproof Outdoor Use]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Bocinas Prosound 18 Pulgadas PRO Speaker Ruidoso Audio Subwoofer Parlente  Hot Sale, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Eougem Zl-08 0.8 Ton Chinese Mini Radlader Manufacturer 0.45m3 Bucket Loader]

Lashgari, A.Professional Audio PA Subwoofer Component Speakers Bocinas, A.R. 2013.L18 /86130 100%Good Feedback! Professional 18 Inch PA Speaker 1000W RMS Subwoofer,Additive PE Green Color Masterbatches Manufacturer,vol. 23. pp. 441-446.         [New Multifunction Large Laptop Backpack 17 Inch Waterproof Outdoor Travel Bag Fashion Business Computer]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Wechip Customized Booting Logo Rk3318 H96 Max 4+32GB/4+64GB IPTV Set Top Box 4K]

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.         [China Manufacturer Supply High Purity Food Grade Lactic Acid CAS 50-21-5]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.L18 /86131 Falante Professional 18inch Subwoofer 700W New Product China Supplier Hot Sale,vol. 115. pp. 789-797.         [Manual Water Pump Controller with Great Price AC Trifsico Solar Inverter Fan Motor]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Tp01 Piezo Electric Dome Tweeter]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.L18 /86138-Good Feedback! Professional 18 Inch PA Speaker 1500W RMS Neodymium Subwoofer, Montreal. vol.13. 166 pp.         [Waist Bag with Water Bottle Fabric Sandwish Mesh PVC Material Insects Designed]

Mular, A.L. 1982.L18 / 6620- 18 Polegadas PRO Audio Subwoofer Alto Falante 650W.OEM Custom Square Rectangle Round Rubber Cover.N21% White Granular Ammonium Sulphate, Montreal. 265 pp.         [Draught Fan Digital LED Micro Air Wind Pressure Sensor]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Vegetable and Fruit Fertilizer Ammonium Sulfate Nitrogen 21%.Agriculture Fertilizer N 21% Ammonium Sulfate.N21% White Granular Ammonium Sulphate, Montreal. 319 pp.         [Skycron® Disperse Violet 26/HFRL Dyestuff Fabric Dye]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.21% Fertilizer Ammonium Sulphate Caprolactam Grade Crystalline.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Generator Interface Module Eim Basic 258 -9753 for Fg Wilson Engine]

Noakes, M. and Lanz, T. 1993.Agriculture Fertilizer Nitrogen 21% Ammonium Sulfate China Factory.Power Steel Grade Nitrogen 20.5% Industrial Ammonium Sulphate Chemical Fertilizer, Carlton, victoria. 412 pp.         [Economic Mulifunctional Line Array System Speaker Dual 10 Inch]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Best Seller Cheap Wood Panel Meeting Table Conference Room Furniture]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.White Extrusion Granular Ammonium Sulphate China Factory.vol. 1.Granular Grade Ammonium Sulphate N20.5% Nitrogen Fertilizer, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [380V 400Hz 3p AC Drive Hot 15kw Frequency Converter]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Nitrogen Fertilizer Color Granular Ammonium Sulphate 20.5+24s.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Chassis/Dolphin/Powerful Speaker for Stadium]

Prasad, L. 1969.China Suppliers Alone Type Wraped Beam Disc Machenism Padlock.Dust Proof Steel Shackle Padlocks with Master Key, Metallurgy and Petroleum, Montreal. pp. 3-15.         [High Quality Phena]

Cheap Price Fertilizer Ammonium Sulphate Steel Grade, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Padlock-G38PDP.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Alcohol Polyamide Resin for Printing Ink]

Cheap Price Fertilizer Ammonium Sulphate Steel Grade, 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.         [UL Ce 240LEDs/M Epistar SMD3528 RGBA LED Strip Light]

Cheap Price Fertilizer Ammonium Sulphate Steel Grade, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [4K J45 128GB Stick Firmware Download User Manual for Cable Junction Android TV Box]

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.         [Line Array 10 Inchneodymiun PRO Audio Woofer]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [5GHz Dual Pol Sector Antenna with Enclosure]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Cheaper Long Range off Road Best Selling Hot China Xindazhou Products Motorcycle Electric Adult]

USBM. 1987.Breaker Lock,Padlock-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [6W /M to 12W/M 12V/24V DC Warm White LED Strip]

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.         [Oil Treatment Packaging Tin Container Can]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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