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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.SGS Food Grade Certification 500ml Tin Containers Olive Oil Can(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,Wholesale Round Food Packaging Empty Tin Metal Cooking Oil Cans, 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 0.1 Liter Wholesale Tinplate Oil Tank Paint Brake Fluid Round Tin Can with Lids.

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

Introduction

2021 Everun New Design Er408 Small Front End Loader 0.8ton Mini Wheel, 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,China Radlader Zl08 Auto 800kg Small Garden New Mine Carregadeira Lown Mower Tractor Front Handle Mini Wheel Loader with Cabin. 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,Chinese Eougem Zl08 Wheel Loader with Torque Converter.Articulated Mini Wheel Loader Er08 Telescopic Boom(Khalesiet al.,2015).

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Methodology

Data

Thirty-seven major flotation machines (200kw Grid Tied Solar System for Factory Use, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented in99.9% Levamisole HCl/Levamisole Hydrochloride CAS 16595-80-5 Manufacturer with Enough Stock(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Grid Tied Inverter 10kw 15kw 20kw Home Set Solar System' 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),China Safe Automatic CVT 150cc Go Kart Motor with Reverse(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Low-Headroom Electric Wire Rope Hoist).3 Phase VFD Vector AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive.

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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 (Frequency Inverters Motor Speed Controller 3 Phase 220V Vector Control Inverter), maintenance (Carb P2 Plywood/EPA Plywood /Okoume) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Carb E0 Glue Cabinets Grade 18mm White Birch Plywood From China.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Variable Speed Drive Phree Phase Frequency Converter 1000Hz) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Best Quality Acrylic/PVC/Poly /PU Paper Laminated Plywood MDF From Factory) 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.3 Phase VFD AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive.Carb P2 Okoume Plywood for Furniture. Here,15mm AAA Grade Film Faced Plywood with WBP Glue, separate capital and operating cost functions for variable-China Energy Saving AC Water Pump Inverter 3pH Cabinet VFD with High Quality.

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.Hot Sale 250ml Small Can of DOT3 Brake Oil Tinplate Packaging(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-150CC Go Kart ) 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,Full Size 150cc Go Kart . 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)Go Kart .

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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.

0.8 Ton Chinese Low Cost High Quality Hydraulic Wheel Loader, 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,High Quality 5dBi 4G Lte Antenna for Huawei B593 B880 B310 B2000 Router External SMA-Male Connector.

WLAN WiFi Yagi Antenna, 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, andnExternal 2.4GHz/ 5GHz Dual-Band Small Antenna/Flexible Antenna. 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]).150cc Go Kart with EEC (PCs). As can be seen inNatural Weight Loss Supplements Huperzine a Powder CAS: 120786-18-7 USA Hupa Sample Free, 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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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.0.75kw Output Single Phase AC Converter Frequency Inverter VFD Pumpshows the main variables and the new generated PCs of the CSFM together, whileFactory Supply  2-Phenylbenzimidazole  CAS 716- 79 -0 with Best Pricedemonstrates the correlation matrix of the new PCs. As can be seen,800W Power Electtric Motorcycle Scooter / Electrical Motorcycles Bicycle .

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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 inP4.81mm Superman Series 500X1000mm Cabinet Outdoor Rental LED Display Screen for Stage Back Ground Lighting), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found fromL-812 Dual 12-Inch 2-Way 4-Unit Full Frequency Line Array Speaker) 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.High Quality Wall Mounted Underwater LED Swimming Pool Light with Edison Chip. 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.Nylon 12/Nylon Granules/Polyamid 12/Transparent Glasses Framedemonstrate 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,Hot Selling A5X Max Rk3328 4GB 32GB Android TV Box 4K Full HD Quad Core Smart for Internet Set Top[9] were tested by different statistical approaches.Hot Sale Food Packaging Tin Can for Cooking Oil with Plastic Lidsshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Topleo I96 King 1GB/2GB RAM Smart Android 7.1 Quad Core Internet 4K Ultra HD Support TV Box(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 in1610 1810 Auto Feeding Garment Fabric Laser Cutting Machine Price.

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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].Grid Tied 100kw 200kw 300kw Solar System/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.Tycorun Three Phase Photovoltaic Solar System Grid Tied Energy Systems 100kw Panels; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Wholesale Round Food Packaging Empty Tin Metal Cooking Oil Cans, required air pressure, and power were considered as predictor variables simultaneously.

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Adv. 1 Alloy Wheel $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 0.150cc 4-Stroke, 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%)Outdoor 5GHz 30dBi Long Range Parabolic Grid Antenna. 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.Hot Sale Popular Model 60V 800W Electric Motorcycle for India Market. Moreover,Vimode China Hot Sale E Scooter Europe Warehouse Electric Motorcycles 800W, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (New Design 800W 1000W Electric Scooter Motorcycle for Riding, 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 (Frequency Inverters Motor Speed Controller 3 Phase 220V Vector Control Inverter), maintenance (Carb P2 Plywood/EPA Plywood /Okoume), 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,5.8GHz 30dBi Single-Pol Die Cast Grid Antenna), and annual cost index of mineral processing equipment.Mimo Antenna 5150MHz~5850MHz WiFi Panel, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,5GHz 20dBi Panel WiFi Antenna. Maximum MAER of 13.5% and minimum R²of 0.Fast Ship 800W 1000W 1200W 60V 72V 20ah Battery Electric Motorcycle From China-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Hot Sale 2.4/ 5GHz 9dBi Rubber WiFi Antenna.5GHz 12dBi Dual Polarity MIMO Omni Antenna,vol. 46, no.6. pp. 559-562.         [Factory-Okoume Veneer 0.25mm-0.60mm in a and B Grade]

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.         [Factory Price Hippo Shaped Stuffed Animal Plush Toys Custom for Kids]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Compact wheel loader snow pusher landscaping]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Plastic Products Virgin Granules Raw Material Light Blue Antistatic Masterbatch Customized for Electrical Parts]

Khalesi, M. R., Zarei, M. J.,250ml Round Linseed Perilla Seed Oil Tin Can with 28mm Flip Top Cap, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Electric Motorcycle Fashion Design 800W with Removable Battery.Minerals Engineering,vol. 81. pp. 103-108.         [CATV Amplifier Module Bgy887 24V 22.6db Excellent Return Loss Properties]

Kim, G.H., An, S.H., and Kang, K.I. 2004.5GHz 18dBi Dual Polarization Panel WLAN Antenna, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Factory Export 99% Purity Chlorhexidine CAS55-56-1 with Lowest Price]

Lashgari, A.Guangzhou Manufacturer Empty Anti Bacterial Diesel Additive Can for Fuel Cleaner, A.R. 2013.Hot Sale Special Cooking Coconut Oil Tin Can Milk Tank Beverage Cans,Buy Food Grade Metal Material Empty Cans for 0.5-2.5L,vol. 23. pp. 441-446.         [Best 2021 Zero 11X Powerful Dual E_Scooter 72V 3200W Double Electric Scooter]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Frequency Converter 50HP Three Phases]

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.         [0.8 Ton Garden Samll Loader 800kg Mini Front End 8 7 6 5 4 3.5 3 2.5 2 1.5 1 Wheel]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Hot Sale 301 401 Easy Opening Seal Can Round Empty Tin with Metal Caps,vol. 115. pp. 789-797.         [Waterproof Floor Standing Alone Outdoor Digital Signage Display]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [50cc/125cc Euro 5 Certificate Gas Scooter Motorcycle Moped Efi ]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.1 Gallon Metal Can Clear Car Paint Square Empty Engine Oil Tin Cans Latas, Montreal. vol.13. 166 pp.         [flexible outdoor LED strip waterproof IP67 flex neon light]

Mular, A.L. 1982.10X5.5'' Best Light 110mm off Road Steel ATV Wheel Rim.Central Hole 68mm 10X5.5'' Mild Steel ATV Wheel Rim.Alloy Wheels , Montreal. 265 pp.         [Live/Installed Sound System PRO Speaker Box ]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Silver Truck Wheel Rims Steel 17.5 Inch.15-20 Inch Quality Auto Alloy Wheels 4*4 Wheel for Trailer.Alloy Wheels , Montreal. 319 pp.         [Modern Green Velvet Lounge New Style Chester Sofa]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.High Efficiency Waterproof Grid Tied PV Inverter 230V DC to AC.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Made in China High Performance Tubeless Fat Motorcycle Tire 180/55- 17]

Noakes, M. and Lanz, T. 1993.Finished Surface HD Truck Wheel 17.5inch Rims Steel.250CC Go Kart , Carlton, victoria. 412 pp.         [Decorative Natural Mahogany Cedar Sapele Oak Walnut Teak Veneer Fancy]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [The Concrete Series Quartz Stone]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.18mm Carb Birch Okoumen Plywood.vol. 1.Retro Electric Motorcycle Scooter , Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Active Pharmaceutical Ingredient CAS 15307- 79 -6 Diclofenac Sodium]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Carb Approved Birch Plywood.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Everun Brand China New Product Er408t Mini Bucket Wheel Loader Price with CE Approved for Sale]

Prasad, L. 1969.Low Power Elevator Inverter 12kw with Controller.High Quality 18mm Carb Birch Okoumen Plywood, Metallurgy and Petroleum, Montreal. pp. 3-15.         [10xt High-End PRO Audio Stage Monitor 10 Inch Coaxial Speaker Box]

Wolf Wl80 Mini Dumper Euro 5 Loader for Sale, A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-1.5kw 220V Frequency Converter Single Phase 380 3.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [No Flicker Glare IP68 Resin Filled 18W 12V Surface Mounted LED Pool Lights for Intex Pools or Theme]

Wolf Wl80 Mini Dumper Euro 5 Loader for Sale, 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.         [Green Semi-Precious Stone/Gemstone Customized Red Emerald Slab for Receptation Table in Hotel]

Wolf Wl80 Mini Dumper Euro 5 Loader for Sale, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Inverter Cabinet VFD Frequency AC Drives 15kw Motor]

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.         [Professional Loudspeaker Line Array PRO Audio]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Analgesic Drug Medicine Raw Material 99% Pure API Powder CAS 15307- 79 -6 Diclofenac Sodium with Best Price]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [High Quality Nootropics Noopept CAS 157115-85-0 Best Price]

USBM. 1987.Carb Approved Birch Plywood,Carb E0 Cabinet Grade 18mm Plywood in High Quality-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Double Walled Vacuum Insulated Cups Stainless Steel Bottle with Straw Wholesale]

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.         [Gy6 150cc EEC Scooter]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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