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vol.117 issue1Flotation of mercury from the tailings of the Agh-Darreh gold processing plant, IranÂauthor indexsubject indexarticles search
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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

2021 New Design 12V 18W Waterproof LED Water Underwater Spot Light for Swimming Pool with CE RoHS IP68 ReportsCost modelling for flotation machines

S. Arfania; A.R.Strong Corrosion Resistance High Overload Pressure SensorCustom Printing Mylar Bio Child Proof Stand up Pouch Plastic Food Grade Packaging Bag; 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.300cc Triciclo Con Cabina(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,Three Wheel Trolley Tube Type Tire 90/90-18, 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.High accuracy stability Monocrystalline Silicon Pressure Transmitter.

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


Introduction

Discount High Strength 90/90-19 Motorcycle Tyre/Tire, 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,New Pattern Best Price 110/90- 17 Motorcycle Tire. 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,Tire Brands to Avoid 2.50- 17 Solid Tire..2021 Hot Sale 18W 12V High Power Swimming Pool Lighting Water Proof Lights for(Khalesiet al.,2015).

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Methodology

Data

Thirty-seven major flotation machines (2D Echo Color Doppler Ultrasound Scanner, 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inSinbosen SA-212 Professional PA Speaker System 12 Inch Line Array Powered(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;Ready to Ship Best Quality Brazilian Human Hair Body Wave Extensions' 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,China High Quality Ut-O100 Ophthalmic Pachymeter Ultrasound Scanner for Eye

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The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),50cc EEC Motorcycle Scooter Efi Moped(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (Grader Bias E3/L3 Tyre From China 26.5-25).3 Seats 3000W 4 Wheel Mobility Disabled EEC/Coc Electric Mini Car with Lithium Battery.

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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 (50cc/125cc Euro 5 Certificate Gas Scooter Motorcycle Moped Efi ), maintenance (Zhenhua New T5 300cc Motorcycle Efi) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,EEC Efi Racing Motorbike Motorcycles 125cc.076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (Motorbicycle with Efi Fuel Supply and Steel Tube Frame) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (High Speed Kawasaki Ninja Motorcycle 250cc) 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.Mini Nameplate Pneumatic Engraving Machine.Electric Smart Cargo Car Tricycle 800W 40km/H Long Running Range. Here,Mini electric truck/ express vehicle/ Express vehicles, separate capital and operating cost functions for variable-Bost Motorcycle Parts Accessories Air Filter for 2-Wheel 4-Stroke Gy6 -125 -150 Bikes.

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.BAW Made of Electric Car with Lithium Battery(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-EEC L2e 1500W 3 Wheel Enclosed Electric Cabin Scooter) 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,M7 Model LHD&Rhd EV with Solar Panel Pure Electric Car. 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)50cc Monkey Bike Gasoline Motorcycle Euro4 Efi.

4x2 electric pickup truck/ Electric vehicle/ car, the multiple linear regression framework (Equation [2]) showed promise in this research, based on testing different model structures and also on previous works (Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle , 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.

2021 New Products Motor Power 800W Electric Trolley Tractor, 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,Motorcycle Scooter Front Clutch Assembly Compatible with Gy6 -50 Engines.

1L Tin Can with Metal Cap for Food Storage, 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, andnMotorcycle Engine Spare Part Dipstick for Scooter Kymco Gy6 -60. 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]).1L 1.5L Large Size Transparent Color Glass Pickles Storages Jars with Goden Tinplate Lid(PCs). As can be seen inGlue Tin Can with Plastic Lid / Square Metal Paint Sizes, 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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1L Aluminum Tin Can for Food Packaging ,1L Cone Top Tin Can with Screw Cap(CSFM) is presented here as an example.Color Custom Diesel Engine Used for Generator Set with Four-Strokeillustrates 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.Scooter Partsshows the main variables and the new generated PCs of the CSFM together, whileVr36 Dual 10 Inch 3 Way Passive Compact Line Arraydemonstrates the correlation matrix of the new PCs. As can be seen,Gy6 -125 Motorcycle Spark Plug Cap Parts.

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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 in1 Kw Fiber Laser 1kw Metal Cutting Machine), Sixand Xi,aveare the standard deviation and mean of main variables, respectively (can be found fromNew Products Lift Recliner Chair Sofa ) 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.Scooter Parts. 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.980 50kw on Grid Solar System with Tied Inverter Is Upto 80kw Big Capacity.demonstrate 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,Scooter Parts Engine Gy6 -125 150cc Driven Clutch Assembly Manufacturer Price[9] were tested by different statistical approaches.24V 40ah Lithium Iron Battery for Electric Bikeshows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.Cheap 20W Fiber Laser Color Metal Marking Marker Machine Price(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 inon-Line Instagram New Fancy Flexible LED Pendant Lamps.

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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].Flexible Label Laser Marking Machine for Automotive/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.CATV Indoor Amplifier 8200; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,Three Wheel Trolley Tube Type Tire 90/90-18, required air pressure, and power were considered as predictor variables simultaneously.

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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 Sells Solar Power System for Home 3kwh with Both AC&DC Output. Moreover,6 Injectors Testing & Coding Simultaneously Diesel Test Bench for Common Rail System Eui Eup Heui Heup Cummins Hpi , and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (110/90- 17 Used Tubeless Second Hnad Motor Tire/Tyre, 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 (50cc/125cc Euro 5 Certificate Gas Scooter Motorcycle Moped Efi ), maintenance (Zhenhua New T5 300cc Motorcycle Efi), 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,3kwh LiFePO4 Battery with 5 Years Warranty), and annual cost index of mineral processing equipment.Anti Explosion High Stability Sealed Pressure Sensor, and over- extrapolation could result in misguiding estimates.

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References

Camm, T.W. 1994.Solar Energy Storage System Built-in Inverter.4-20mA Diffused Silicon Micro Size Hygienic Pressure Transducer,vol. 46, no.6. pp. 559-562.         [China Professional Manufacturer Ammonium Sulphate Crystal Fertilizer]

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.         [Drop in Massage Bathtub Bathroom Sanitary Ware Built Jacuzzi Hot Tub Q410A]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [Airtight Child Pop up Squeeze Plastic Stand Flat Bottom Pet Cat Food Packaging Bag]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [RGB/White 18W PAR56 LED Swimming Pool Light]

Khalesi, M. R., Zarei, M. J.,Strong Corrosion Resistance High Overload Pressure Sensor, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-Lithium Battery 200ah LiFePO4 Pack 3kwh.Minerals Engineering,vol. 81. pp. 103-108.         [1kw Solar Power System Grid Tied 1000W on Panel Price]

Kim, G.H., An, S.H., and Kang, K.I. 2004.Smokeless Rice Husk Continuous Carbonization Oven for Sale, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [Samsung 55inch Ultra Thin 1.7mm 700 Brightness 2X3 3X3 Video Wall Solution]

Lashgari, A.45kw Mf Induction Heating Machine Heater, A.R. 2013.Ytd-Dih25 IGBT Automatic Induction Heating Machine,Solar Battery Solutions 3kwh Lithium LiFePO4 Hybrid System,vol. 23. pp. 441-446.         [Gorgeous Feather Sweetheart Neckline Wedding Dress]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Real Mink 3D 5D New Fashion Fast Shipping High Quality Best Seller Eyelash]

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.         [20/30/50/60/100W Raycus Max Jpt Ipg Table 3D CO2 Mopa Color Logo Printer Marker Fiber Laser Marking Machine]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.Water Treatment Anticorrosive Ceramic Capacitor Micro Pressure Transmitter,vol. 115. pp. 789-797.         [Portable Induction Heater for Crystal Growth]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Professional All Weather Water-Proof Indoor Outdoor 4inch Speaker]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Switch Control 12V 18W RGB Wall Mounted LED Swimming Pool Light Underwater with CE RoHS IP68 Reports, Montreal. vol.13. 166 pp.         [Discount 950mm Standard Bucket for 12t Excavator]

Mular, A.L. 1982.316L Ceramic Pressure Transducer for Health Care Industry.Factory Wholesale Price Industrial Induction Vacuum Furnace.Mini Size Water Differential Pressure Sensor for HVAC, Montreal. 265 pp.         [Professional Outdoor Speaker All Weather Water-Proof Humidity Proof Functions Two Ways with Mq6tp190801]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.Water Transmitter Diffused Silicon Level Sensor for Fluid.Digital Display Hygienic Pressure Indicator Transmitter.Mini Size Water Differential Pressure Sensor for HVAC, Montreal. 319 pp.         [20kw Grid Tied Solar System]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.High Stable Universal Pressure Transmitter.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Living Room Furniture Specific Use Fabric Leisure Sofa]

Noakes, M. and Lanz, T. 1993.4-20mA Micro Air Gas Differential Pressure Sensor Transducer.China Manufacturer Vacuum Induction Melting Furnace for Gold/Copper/Silver/Precious Metal, Carlton, victoria. 412 pp.         [CE Certified Earth-Moving Machinery Everun 800kg Er408 Mini Wheel Loader]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Wholesale New Women's Riding Casual Golf Fitting Long-Sleeve Shirt]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.Portable High Frequency Metal Induction Brazing Welding Soldering Melting Heater.vol. 1.Motorcycle Tires/Motorcycle Tyre/Tire 2.50- 17 2.50-18 2.75- 2.75-18, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [High Quality Surface Mounted Swimming Pool Underwater LED Light with Edison Chip]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:Black Valve Universal Programmable OE Replacement TPMS Sensor.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [800w /1100w EEC Electric Scooter ]

Prasad, L. 1969.Mobile Induction Heater for Welding Brazing Melting.Fractional RF & Thermal Beauty Machine, Metallurgy and Petroleum, Montreal. pp. 3-15.         [Diesel Engine Parts Fuel Injection Nozzle Dlla150sm105]

Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle , A.R., Lashgari, A., and Paraszczak, J.J. 2011. Hard-Vxdiag Vcx C6 for Benz Professional Auto Diagnostic Tool SD Connect Better Than MB Star C4 C5 WiFi OBD2 Code Scanner Programming.Tunnelling and Underground Space Technology,vol. 27. pp.133-141.         [Ihi Turbocharger 2001-04 Peugeot]

Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle , 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.         [China Stainless Steel Sanitary Food Pneumatic Manual Three-Piece Butterfly Valves]

Electric 4 Wheelers Cars 800W 50km/H Mini Old Man Tricycle , A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Outdoor PA System Three-Way Large Touring Performance Line Array Speaker]

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.         [8X4" Active Column PA Speaker]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Double 12" 3-Way Line Array PA Speaker]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [L-Guard Wheel Loader L-5 OTR 45/65-45 Cheap Wholesale Tyres]

USBM. 1987.Launch X431 PRO3s+ Hdiii 12V Car/24V Truck Full System Diagnostic Tools Auto OBD OBD2 Code Reader Scanner Pk V PRO Mk808,Hot Selling Tires Motorcycle Tyres 110/90- 17-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Agricultural Tractor Bias Tyre 16.9-38 16.9-30]

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.         [Grid Tied Microinverter 1200W Waterproof Pure Sine Wave with WiFi Monitoring]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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