GENERAL PAPERS

Frequency Converter 0.5 HPCost modelling for flotation machines

S. Arfania; A.R.99% Proparacaine Hydrochloride / HCl CAS 5875-06-92t 2000kg 3t 3000kg 5t 5000kg Hydraulic Pump Nylon PU Wheel Hand Manual Pallet Carrier Forklift; 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.Professional Speaker PRO Audio System Compact Line Array PA Lq10(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,Weight Loss Raw Powder Rimonabant with Good Effects 168273-06-1, 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 0.125541 -22-2 Piperidine 1-N-Boc-4- .

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

Introduction

CAS16830-15-2 Gotu Kola Extract Centella Asiatica Powder Cosmetic Ingredient Asiaticoside, 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,Blended Powder Oil Liquid Ripex 225 for Muscle Growth. 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,Good Effect for Treating Infertility in Women Clom CAS: 911-45-5.Professional Self-Powered Active Audio Loudspeaker 98dB 250W Two-Way Inside Amplifier Vs10205(Khalesiet al.,2015).

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Methodology

Data

Thirty-seven major flotation machines (Glycine Methyl Ester Hydrochloride , 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in15' Water-Proof Installation Long-Throw Speaker with 100V Transformer(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Isoquinoline-5-Sulphonyl Chloride Hydrochloride CAS 105627- 79 -0' names:

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The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),L-Pyroglutamic Acid(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Hand Sanitizer Gel 75 Alcohol Based Sterilization Wash Free).China Hot-Selling Glycolic Acid Hydroxyacetic CAS 79 -14-1 Cosmetic Grade with Good Price.

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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 (Supply High Purity Oxalyl Chloride CAS: 79 -37-8), maintenance (Fatory Supply Thiosemicarbazide CAS 79 -19-6) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,High Quality Retinoic Acid .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (High Quality 98% Tretinoin ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Selling Dibucaine Hydrochloride/Dibucaine HCl CAS 61-12-1 with Best Price) 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.Sugammadex Sodium CAS 343306- 79 -6 Manufacturer and Supplier.Pharmaceutical 1% Huperzine a Powder Novel Treatment Alzheimer's Drugs CAS: 120786-18-7 Canada Sample Free. Here,Rifamycin S 96% CAS: 13553- 79 -2, separate capital and operating cost functions for variable-Professional Audio Speaker System Sing 8 Inch Mini Stage Monitor PS8r2.

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.High Quality Hydroxyacetic Acid Glycolic CAS 79 -14-1 Cosmetic 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-Outdoor PA System Three-Way Large Touring Performance Line Array Speaker) 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,Plant Extract Huperzine a 1% Nootropics CAS: 102518- 79 -6. 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)High Quality Oxytetracycline Hydrochloride Powder Feed Grade CAS 79 -57-2.

Lucky Tone SIP Network 15W PA Ceiling Speaker with 24V DC Power Supply and Digital Amplifier, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (High Purity Amino Acid L-Arginine Powder, Khalesi, and Khosfarman, 2014).

whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables 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.

Potassium 2, 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]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,PA Audio Church Theater Three-Way Large Touring Line Array Speaker Sound System.

Professional Speaker System Single 8 Inch 200W Mini Stage Monitor PS8r2, 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).

whereC_eis the estimated cost,C_athe actual cost, andnFactory Supply Top Quality Cooling Agent Ws-3 CAS 39711- 79 -0. 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]).Professional Audio Speaker Active Single 8 Inch Mini Stage Monitor PS8r2(PCs). As can be seen inKas 12 Inch Line Array Audio Professional DJ Speakers 18 Subwoofer, 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 andX_ias Equations [5] and [6]:

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In this research, main variables ofX₁, X₂... X_nwere 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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Professional Speaker System Single 15 Inch High Power Line Array Aw15,PA Speaker Three-Way Large Touring Performance Line Array System PRO Audio(CSFM) is presented here as an example.PA Speaker System SA-212 Professional 12 Inch Karaoke Stage Woodillustrates 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.China Tl08 Mini Wheel Loader with Low Price for Saleshows the main variables and the new generated PCs of the CSFM together, whileSkin Care Raw Material Vitamin a Palmitate Powderdemonstrates the correlation matrix of the new PCs. As can be seen,Sinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered.

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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)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inSwivel Earpiece for Motorola Two Way Radios Cp1300/Cp140/Cp200), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromUltra Low Nosie 10 Channles Mixer Mixing Console ) 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.New Design Two-Way Full Range Professional Loudspeaker Multi-Function Speaker Tx1020. 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.Yineng Yn725 Mini Wheel Loader 18.5kw Cabindemonstrate 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,Natural Weight Loss Supplements Huperzine a Powder CAS: 120786-18-7 USA Hupa Sample Free[9] were tested by different statistical approaches.High Quality Carb Certified Birch Faced Furniture Plywoodshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Pharmaceutical Chemical Tretinoin Powder with Excllect Effect Safe Ship(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 inFavorite Massage Gun Deep Muscle Relaxation After Exercise 24V Portable Sports.

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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].2-Aminoanthraquinone CAS No 117- 79 -3/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.Food Additives L-Arginine with Low Price; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Weight Loss Raw Powder Rimonabant with Good Effects 168273-06-1, required air pressure, and power were considered as predictor variables simultaneously.

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China Supply 1$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.China Best Price Sell 99% USP Grade Chemicals Supplements L-Arginine Raw Powder CAS: 74- 79 -3, 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%)Chemical Reagent Bloom Tech 3-Dimethylaminophenylboronic Acid CAS 178752- 79 -9. 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.Safe Shipping with Good Price Tretinoin Powder. Moreover,Dpc Diphenyl Carbonate CAS 102-09-0, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (Bloom Tech Chemical Material Topiramate CAS 97240- 79 -4, 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 (Supply High Purity Oxalyl Chloride CAS: 79 -37-8), maintenance (Fatory Supply Thiosemicarbazide CAS 79 -19-6), 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,100% Water Soluble Vitamin a Palmitate Powder Retinyl), and annual cost index of mineral processing equipment.China Supplier of CAS 702- 79 -4 1, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.CAS 79 -57-2 Oxytetracycline.Azd3759 CAS No. 1626387-81-2,vol. 46, no.6. pp. 559-562.         [Tx6s H616 Allwinner 4K Smart Aluminum Ott IPTV 10.0 Android TV Box]

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.         [22 Gauge Corrugated Steel Roofing Sheet/Corrugated Sheet Metal]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Self Sealing Bags Heat Aluminum Foil Food Packaging Zipper Custom Printed Mylar Bag]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [10 " PRO Audio DJ Line Array Speaker Equipment System]

Khalesi, M. R., Zarei, M. J.,99% Proparacaine Hydrochloride / HCl CAS 5875-06-9, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Food Additives L-Arginine with Top Quality.Minerals Engineering,vol. 81. pp. 103-108.         [Mylar Barrier Exit Waterproof Cr Bag]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Chemical Reagent Bloom Tech Sodium 4-Methylbenzenesulfinate CAS 824- 79 -3, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Variable Frequency Drive VFD Supplier AC Converter 50Hz to 60Hz with Vector Control]

Lashgari, A.99% Purity 1, A.R. 2013.PT141 Factory Supply Best Quality Peptide Powder 10mg for Aphrodisiac,High-Purity Cosmetic Additives Nano Liposomal Hydroxypropyl Tetrahydropyrantriol China Factory Direct Sales,vol. 23. pp. 441-446.         [Kids Pink Custom Simulation Bunny Rabbit Animal Plush Toy]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [500ml 16oz Round Metal Glue Tin Can with Screw Top Brush for Chemical]

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.         [Tractor loader/ mini loader with four wheels for loading]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.2-Aminoanthraquinone CAS No 117- 79 -3,vol. 115. pp. 789-797.         [400 Watt Portable Music Player Speaker Professional Audio]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Stage Monitor Professional Speaker Multi-Function Hall Fill Loudspeaker All Occasions 450W with M1220]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.High Quality Tretinoin 302- 79 -4 with Good Price, Montreal. vol.13. 166 pp.         [Lever Chain Block/1.5t/3t/6t/9t Va Type Hoist]

Mular, A.L. 1982.3-Amino-4-Pyrazolecarboxamide Hemisulfate Salt CAS No 27511- 79 -1.Free Sample Ortho Phthalaldehyde 643- 79 -8 with Fast Delivery Manufacture in China.High Fidelity Professional Line Array Speaker , Montreal. 265 pp.         [10 " Professional Home Theater Stage Performance Audio Video PA Trolley IR Bluetooth Active Speaker with Multimedia Heavy Bass and Big Power]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.N.Vitamin a Palmitate CAS 79 -81-2.High Fidelity Professional Line Array Speaker , Montreal. 319 pp.         [RF Vacuum Face Lifting and Slimming Chin Machine]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.IP PA System 6 Inch 15W SIP Poe Ceiling Speaker with Built-in Monitoring Microphone and Dry Contact in out.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [10 " PRO Sound PA Line Array Loudspeaker Audio Speaker System]

Noakes, M. and Lanz, T. 1993.Best Price Diclofenac Sodium with High Quality.40wx2 10 " Portable PS Series Party Speaker, Carlton, victoria. 412 pp.         [RF Skin Tightening Face Lifting Machine]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Qtm10-25 Cheap Brick Making Machine]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.100% CAS 79 -57-2 Oxytetracycline Powder.vol. 1.New Arrival Mr Series Audio Mixer with DSP Mr-12fx, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Factory Offer Nordic Removable and Washable Livingroom Fabric Sofa]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Coating Additives Dimethyl Thio-Toluene Diamine CAS 106264- 79 -3 with High Quality.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [High Quality Diesel Engine Parts 4 Cyl Pump Rotor Head 096400-0371]

Prasad, L. 1969.Powered Speaker System for Home Theater.Cosmetic Grade L-Arginine with High Quality, Metallurgy and Petroleum, Montreal. pp. 3-15.         [10'' Red Steel Woofer]

High Purity Amino Acid L-Arginine Powder, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-320000 Iu CAS127-47-9 Retinyl Vitamin a Acetate/Retinol Acetate.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [1L Tin Can for Oil]

High Purity Amino Acid L-Arginine Powder, 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.         [10PCS Foundation Make up Brushes Makeup Brush Set High Quality Eyeshadow Kits Gradient Color]

High Purity Amino Acid L-Arginine Powder, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Clothes /Cosmetics Plastic Packaging PP Bags PEVA/OPP/ CPE/ Pvf Shoes Shirt Storage Stock Self Heat Sealing]

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.         [Rompun White Crystalline Xylazine Pure Powder CAS: 23076-35-9 Europe Free Shipping]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Wall Amplifier Bluetooth Home Theater Amplifiers Mini with 6'' in Ceiling Speaker Audio Amplificador AMP Bgm Bacground Music Host Wireless Remote Control]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Straight Shank Collets C16 C20 C25 C32 Collet Chuck for Power Milling]

USBM. 1987.Chinese Factory Special Cosmetic Raw Materials for Wrinkle Removal and Moisturizing High Purity Nano Liposomal Hydroxypropyl Tetrahydropyrantriol,Best Quality Skin Care Pure Tretinoin 302- 79 -4-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [300kn Computer Servo Control Hydraulic Universal Test Machine]

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.         [J8 Dual 12'' Line Array PA Speaker Professional Stage Audio System]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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