chemical process industry 5

... \\Tavelet-Domain HMMs 58586466697375787983899799100105108112114115115116119123127128131133135138139141145147149149152155157 7.2.1 pH Neutralization Simulation 7.3.1 Case Study of HTST Pasteurization Process ... BibliographyIndex 1611641661671741791911921921982022032042152182242302312332372382482512522.52256257259262264268269271274277305 Trang 10Total contribution of variableXj toT 2Contribution of ... parameter 150 , and 50 100 TIme [Sec] 50 100 150 Time [Sec] In the era of single-loop control systems in chemical processing plants, there was little infrastructure for monitoring multivariable processes

Ngày tải lên: 02/04/2014, 16:24

... oil and gas 82 165 x 10 -5 Deep sea fishing 44 88 x 105 Construction 7 5 17 5 x 10-5 Shipbuilding and marine engineering 5 25 10 5 x 10-5 Chemical and allied industries 4 25 8.5x105 All premises ... premises covered by the Factories Act =_4 e58x10 5 All manufacturing industry 1 15 2 3 x 10 -5 Vehicle manufacture 0 75 1 5x105 Clothing manufacture 0 25 0 5 x 10-5 Notes : Trang 37HAZOP AND HAZANThe ... x 10 -5 (1 in 4000) All accidents (UK) 30 x 10-5 (1 in 3300) Murder (UK) 1 x 10 -5 (1 in 100 000) Smoking 20 cigarettes/day 500 x 10 -5 (1 in 200) Drinking (1 bottle wine/day) 75 x 10-5 (1 in

Ngày tải lên: 05/07/2014, 02:20

... and process variation37) 3.238) 3.439) 3.540) 3.041) 3.442) 3.543) 3.644) 3.045) 3.146) 3.447) 3.148) 3.6 49) 3.350) 3.351) 3.452) 3.453) 3.354) 3.255) 3.456) 3.357) 3.658) 3.159) 3.460) 3.5 61) ... Average – 2.65 = 25 000 g Thus, the average target should be 25 000 + (2.65  20) g = 25 053 g = 25.053 kg (see Figure 5.10) Figure 5.9 Setting target fill quantity in paint process Figure 5.10 Target ... of rejects: (i) the setting of the process, which should be centred at 250 g and not 255 g,and (ii) the spread of the process If the process were centred at 250 g, and with the same spread, one

Ngày tải lên: 11/08/2014, 20:22

... 17Process mean X = 3.5000 cmMean sample range R = 0.0007 cm Mean chart From Appendix B for n = 5, A2= 0.58 and 2/3 A2= 0.39 Mean control chart is set up with: Upper action limit X + A2R = 3.50041 ... specifications, 3 Process control using the charts References Bissell, A.F (1991) ‘Getting more from Control Chart Data – Part 1’, Total Quality Management, Vol 2, No 1, pp 45–55. Box, G.E.P., ... Caulcutt, R (1995) ‘The Rights and Wrongs of Control Charts’, Applied Statistics, Vol 44, No 3, pp 279–88. Caulcutt, R and Coates, J (1991) ‘Statistical Process Control with Chemical Batch Processes’,

Ngày tải lên: 11/08/2014, 20:22

... = 7.733/2.059 = 3.756 SE = /[a/(2 – a)] = 3.756[0.2/(2 – 0.2)] = 1.252LAL = 80.0 – (3  1.252) = 76.24 The EWMA has been used by some organizations, particularly in theprocess industries, ... mean andmoving range chart In the chemical industry, for example, the nature ofcertain production processes and/or analytical methods entails long time Trang 5time-intervals between consecutive ... chartused in the control of a heat treatment process is shown in Figure 7.5a TheFigure 7.5 Multi-vari charts Trang 4Other types of control charts for variables 165longer the lines, the more variation

Ngày tải lên: 11/08/2014, 20:22

... number of defectives present in a sample of 5 will be 0.5 Trang 5It may be possible at this stage for the reader to see how this may be usefulin the design of process control charts for the number ... c = 159/50 = 3.2. The standard deviation of a Poisson distribution is very simply the square root of the process average Hence, in the case of defects,  = c, and for our polyethylene process ... after restart of the process shows the process to be back in control It continues to remain in that state for at least the next 14samples Figure 8.5 c-chart – polythene fisheyes – process in control

Ngày tải lên: 11/08/2014, 20:22

... plotting the meanchart of Figure 9.5a (from Chapter 5) The process average of 150.1 mm has Figure 9.5 Shewhart and cusum charts for means of steel rods Trang 5been subtracted from each value and ... estimate of theprocess standard deviation, :  = R/d n where d nis Hartley’s Constant = 2.059 for sample size n = 4 Trang 2Cumulative sum (cusum) charts 233SE = /n SE = 5.254 = 2.625and 2SE = ... cusum slope of ca 45° for a change of 2SE in sample mean, 1 cm on the vertical axis (ordinate) should correspond to the value of 2SE orthereabouts In the steel rod process, 2SE = 5.25 mm No one would

Ngày tải lên: 11/08/2014, 20:22

... pharmaceutical company carried out a process capability study on the weight of tablets produced and showed that the process was in statistical control with a process mean (X ) of 2504 mg and a mean range ... to those periods, 56tablet weights remain from which may be calculated the process mean at 2503 mg and the standard deviation at 49.4 mg Then: Cpk = (USL – X)/3 = (2800 – 2503)/(3  49.4) = ... classification, thenthe customer can have confidence in the supplier’s process and method ofproduct classification 10.5 A service industry example – process capability analysis in a bank A project team in a

Ngày tải lên: 11/08/2014, 20:22

... point(2,7) in Figure 11.15, on which all the points have been plotted in this way 3 Process capability in a bank The process capability indices calculations in Chapter 10 showed that theprocess was not ... excessive process variation not fallunder the same umbrella? Problems in process operations are rarely single-dimensional They have atleast four dimensions: Trang 15316 Managing out-of-control processes ... follows: Cause Annual cost of warranty work (£) ABCDEFGHIJ 1 090 2 130 30 690620 5 930970 49 980 1 060 4 980 3 020 Trang 5306 Process problem solving and improvementCarry out a Pareto analysis on the

Ngày tải lên: 11/08/2014, 20:22

... purpose of eliminating problems and aiding process control 13.3 Improvements in the process To improve a process, it is important first to recognize whether the processcontrol is limited by the common ... other units, operating procedures and the process equipment itself By taking this broader view all process problems can be addressed The management of process improvement teams is outside the ... cent error rate in its invoicegenerating process, decided to try to draw a flowchart of the process Twopeople who were credited with knowledge of the process were charged withthe task They soon

Ngày tải lên: 11/08/2014, 20:22

... the process is known, it can be compared with the requirements Such comparison willshow whether the process can achieve the process or service requirements.Where the process is adequate the process ... erroneously a measured parameter Measure the capability of processes Process capability must be assessed and not assumed The capability of allprocesses can be measured This is true both when the results ... Resources Processes People Results Customer Results Society Key Performance Results 6 Business process focus potential With the TQM philosophy, many practitioners promised long-termbenefits over 5–10

Ngày tải lên: 11/08/2014, 20:22

... Acknowledgments 219 References 219 * Corresponding author. 5 9064_ch05/fm Page 195 Tuesday, April 24, 2001 5:18 AM Trang 2196 Marine Chemical EcologyI INTRODUCTION A T HE P ROBLEM Meroplankton ... vulnerable juvenile phase.56 McClintock et al.57 extended the analysis of potential chemical defenses to another phylum ofAntarctic marine invertebrates in their analysis of the biochemical and energetic ... Lucas et al.44 — “Do larvae of other sea stars containsaponins as chemical defenses?” — still remains unanswered Trang 5The Chemical Ecology of Invertebrate Meroplankton and Holoplankton 199While

Ngày tải lên: 12/08/2014, 00:21

... Strategic Management Hill 8 Chemical Reactor Analysis and Design Froment Bischoff De Wilde 3 Chemical, Biochemical, and Engineering Thermodynamics Sandler 4 Chemical Process Safety: Fundamentals ... Crowl Louvar 3 Chemical Reactions and Chemical Reactors Roberts Chemical Engineering Design Principles, Practice and Economics of Plant and Proc Trang 5ess Design Towler SinnottChemical Engineering ... Salehi 5 Digital Logic and Microprocessor Design with VHDL Hwang Digital Signal Processing Mitra 4 Digital Systems Design Using VHDL Roth 2 Digital Signal and Image Processing Bose Digital Signal Processing

Ngày tải lên: 23/09/2016, 09:49

... N/m)1000)( 5.346.551( 0 3 3 m W P z g v Trang 191-18 02 z g v 0)lb/ft4.62(/secft5 sechp lb ft 55075 .02 secft 366.646.25)lb/ft0.88(62.4 lb/lb ft 2381.2 ft/sec46.254 ft)5.0( sec/ft5 ft/sec366.64 ... 12/25.10(1(50)0.55(50) 15(9)50(35) exittank entrance tank valves elbowsmethod length equivalent 00776.0 10057 81.6)25.10(7.3 0018.0log41 10057cP) lb/ft/sec/ 10cP(6.7240 )lb/ft87)(62.4ft/sec)(0 ft)(5.8312 /25.10(Re ... observe hp3438 0lb/sec 44.181 /hp/sec)lb ft (5507 .0ft/sec)83.5()seclb/lb ft 32.2(2 )155.0)17.0(15)75.0(50( )seclb/lb ft ft)(32.212 /25.10( ft/sec)ft)(5.835280 )( 70)( 00776.0(2seclb/lb ft 32.2 ft)100(ft/sec2.32)

Ngày tải lên: 20/08/2020, 13:42

... https:// Trang 5Solution Manual for Chemical Process Safety Fundamentals with Applications 3rd Edition by CrowlFull file at https:// Full file at https:// Trang 6Solution Manual for Chemical Process ... Trang 15Solution Manual for Chemical Process Safety Fundamentals with Applications 3rd Edition by CrowlFull file at https:// Full file at https:// Trang 16Solution Manual for Chemical Process ... 1Solution Manual for Chemical Process Safety Fundamentals with Applications 3rd Edition by CrowlFull file at https:// Full file at https:// Trang 2Solution Manual for Chemical Process Safety Fundamentals

Ngày tải lên: 20/08/2020, 13:42

... Accounting and Financial Reporting 5 38 - 55 10.5296/ijafr.v5i2.8035 85 Park, E (2019) Corporate social responsibility as a determinant of corporate reputation in the airline industry Journal of Retailing ... Accountability Journal 15 282-311 10.1108/09513570210435852 34 Denzin, N K., & Lincoln, Y S (1998) The landscape of qualitative research: Theories and issue London: Sage Publications 35 Deng, X., & Wang, ... explanatory variables are below 0.5, indicating low correlation; however, notable pairs, such as Cash and Z_score (0.5888), Quick and Cash (0.3850), and Quick and ROA (0.3558), exhibit higher correlations

Ngày tải lên: 07/11/2024, 15:54

... Stage One 14.7 psia 3 3.2 5 47.04 psiaStage Two 47.04 psia 3 3.2 5 150.528 psiaStage Three 150.528 psia 3 3.2 5 481.689 psiaStage Four 481.689 psia 3 3.2 5 1541.407 psiaThe basic components ... 1,500 psia, a 4-stage compressor with a 3.2 compression in each stage might be used The pressure at the discharge of each stage would be: 1st 5 47 psia, 2nd 5150.5 psia, 3rd 5 481.7, 4th 5 1,541.4 ... 1,500 psia, a 4-stage compressor with a 3.2 compression in each stage might be used The pressure at the discharge compres-of each stage would be: 1st 5 47 psia, 2nd 5150 psia, 3rd 5 480, 4th 5

Ngày tải lên: 19/08/2013, 10:47

... residual dyes The cotton textile industry is a growing industry in India with over 1000 process units In general, the wastewater from a typical cotton textile industry is characterized by high ... neutralized and then can be successfully treated by chemical oxidation/precipitation [3] A COD removal of 45% and BOD removal of 75% was reported for a textile industry effluent employing primary and secondary ... and residual color after chemical oxidation alone and chemical oxidation followed by adsorption are plotted in Figure 5 and Figure 6 respectively pH of the effluent after chemical oxidation followed

Ngày tải lên: 05/09/2013, 17:03

... commissioning and reliable measurement. Levelflex FMP40 Micropilot FMR250 Soliphant M FTM50 Solicap M FTI55 Energy conservation Blocked dust filters can be a safety hazard and can also cause unnecessary ... documentation that meet 27CFR part 25 for the Promag 53 magnetic flowmeter between calibrations Product identification prior to packaging Conductivity is monitored throughput the process A key measurement ... losses but also in water treatment costs CIP make-up and chemical tank inventory Level measurement for inventory or process control of aggressive chemicals is solved by multiple options depending on

Ngày tải lên: 22/02/2014, 05:20

... Raia 564-6045 EPA/310-R-95-010 Nonferrous Metals Industry Jane Engert 564-5021 EPA/310-R-95-011 Non-Fuel, Non-Metal Mining Industry Rob Lischinsky 564-2628 EPA/310-R-95-012 Organic Chemical Industry* ... Marshall 564-7021 EPA/310-R-95-004 Inorganic Chemical Industry* Walter DeRieux 564-7067 EPA/310-R-95-005 Iron and Steel Industry Maria Malave 564-7027 EPA/310-R-95-006 Lumber and Wood Products Industry ... DeRieux 564-7067 EPA/310-R-95-013 Petroleum Refining Industry Tom Ripp 564-7003 EPA/310-R-95-014 Printing Industry Ginger Gotliffe 564-7072 EPA/310-R-95-015 Pulp and Paper Industry Seth Heminway 564-7017

Ngày tải lên: 05/03/2014, 20:20