Chemical Process Safety: Fundamentals with Applications, 4/e 4th Edition

Chapter 1 1-1. Essays will vary. Of course, process safety is an important part of an engineering ethics statement. 1-1. Essays will vary. Of course, process safety is an important part of an engineering ethics statement. 1-1. Essays will vary. Of course, process safety is an important part of

1 Chapter 10 10-1. Relief Configuration MAWP psig Set Pressure psig Maximum Set Pressure psig Maximum Accumulated Pressure psig Allowable Overpressure psig a. Single relief, nonfire 100 100 100 110 10 b. Single relief, nonfire 100 90 100 110 20 c. Primary

SafetyReviewforReactorshowninExample112a,b DataforSafetyReview DesignRequirementsforReactor Materials: a) Flammabilitycharacteristics:LFL3%and UFL100%,FP29deg.C,AIT429 o C b) Explosivitycharacteristics:CanBLEVE c) Toxicitycharacteristics:TLV1ppm,LC50800ppm,IDLH800ppm,Liquidcausesburnsd) Corrosivitycharacteristics:Ironrustinitiatesreactionse) Wastedisposable:Minimizewastesf) Storagerequirements:Protectfromsunlightwhenambienttemperatureexceeds52Cg) Staticchargeconcerns:MIEis0.06MJh) Reactivityaloneandwithcontaminants:stablealonebutpolymerizesispresenceofbasesb) Adddelugetoreactorandstoragec) WheninopenareawearPPEgloves,safetyshield,respirator,etc.d) Usestainlesssteel304e) Minimizewastef) Storeinwellventilatedareag) Groundandbondallequipmenth) Preventcontamination,anddesignforpotentialrunaways c) Toxicitycharacteristics:TLV1ppm,LC50800ppm,IDLH800ppm,Liquidcausesburnsd) Corrosivitycharacteristics:Ironrustinitiatesreactionse) Wastedisposable:Minimizewastesf) Storagerequirements:Protectfromsunlightwhenambienttemperatureexceeds52Cg) Staticchargeconcerns:MIEis0.06MJh) Reactivityaloneandwithcontaminants:stablealonebutpolymerizesispresenceofbasesb) Adddelugetoreactorandstoragec) WheninopenareawearPPEgloves,safetyshield,respirator,etc.d) Usestainlesssteel304e) Minimizewastef) Storeinwellventilatedareag) Groundandbondallequipmenth) Preventcontamination,anddesignforpotentialrunaways c) Toxicitycharacteristics:TLV1ppm, LC50800ppm,IDLH800ppm,Liquid causesburns d) Corrosivitycharacteristics:Ironrust initiatesreactions e) Wastedisposable:Minimizewastes f) Storagerequirements:Protectfrom sunlightwhenambienttemperature exceeds52C g) Staticchargeconcerns:MIEis0.06MJ h) Reactivityaloneandwithcontaminants: stablealonebutpolymerizesispresence ofbases b) Adddelugetoreactorandstorage c) WheninopenareawearPPEgloves, safetyshield,respirator,etc. d) Usestainlesssteel304 e) Minimizewaste f) Storeinwellventilatedarea g) Groundandbondallequipment h) Preventcontamination,anddesignfor potentialrunaways a) NeedexplosionproofelectricalClass1, GroupD,Div.1(beingconservative),inert allpipelinesandvesselsincontactwith EO EO EO Equipment a) Safetymarginspressure,flow, temperature:BP10.7deg.C b) Pressurerelieftypeandsizeforworstcasescenario:Reactioncanrunawayc) Plantlayoutconstraints:Needprocessareaswellventilated.d) ElectricalequipmentNeedexplosionproofelectrical,Class1,GroupD,Div.1(beingconservative)e) Controlsredundancyandfailsafeconditionsf) Proceduresoperatingandmaintenanceprocedures,normal,shutdown,cleaning,emergency,etc.b)

--------------------------------------------- C2 B2 0.25()2.5 10 3C1 B2 C27.5 10 3D2 C1 0.25()1.875 10 3E22 D2 0.1()1.875 10 4---------------------------------------------------------C2 B2 0.25()2.5 10 3D2 C2 0.25()6.25 10 4E23 D2 0.1()6.25 10 5Runaway E21 E22E230.025 Occurances/yr.YearsPerOccurance 1RunawayYearsPerOccurance 40Years So this is an excellent check of ourcalculation methods the the book answer(Figure 1-9)Repeat the calculations

Solution 13-7 a) Describe the incident: On January 29, 2003, an explosion and fire destroyed the West Pharmaceutical Services plant in Kinston, North Carolina, causing six deaths,dozens of injuries, and hundreds of job losses. The facility produced rubber stoppersand other products for medical use. The fuel for the explosion was a fine

Problems and Solutions for Chapter 2 Problem 2-1 Using the data provided in Example 2-1, determine the a) mean, and variance, b) frequency as a function of the response, c) number affected as a function of the of the response, and d) show graphs for the frequency and number affected. Solution 2-1 Note to instructor: A

Problems and Solutions for Chapter 3 Problem 3-1 Search the internet and a) print a GHS label for phenol, b) or if having difficulty than develop your own label, and c) draw a few conclusions.. Solution 3-1 Conclusions: 1.) GHS Labels are difficult if not impossible to find. Therefore, we drewour own label as

K0.289m/mink0.1 Qv 85 cu m/min atm 10.5 For subservice filling.rf 324160 rf 2.083 10 3 rf=1/minVc 38 cu mdia 0.1 mP1A() dia24 sq m A7.854 10 3CppmPsat760kQvPrfVcKA()106Cppm 182.859ppm for k = 0.1 and 36.6 ppm for k=0.5 K0.289m/mink0.1 Qv 85 cu m/min atm 10.5 For subservice filling.rf 324160 rf 2.083 10

1 Chapter 4 4-1. Use Equation 4-50 in the textbook: (1)/(1) 2 1 c moo go gM QCAP RT For this case: M = 0.029 kg/mole = 1.4 (Table 4-3) oP = 3 atm gauge = 4 atm abs = 54.052 10 Pa oC = 1.0 for choked gas flow (1)/(1) (2.4/0.4)221.4 0.46912.4 22723.14 0.001

14 14 14 4-12. Turpentine density = 55 lbm/ft3 a. Compute the total volume spilled by the change in liquid level: Spill 1 2 1 2243.14 15 ft = 17.3 ft 13 ftVVV hh Spill 1 2 1 2243.14 15 ft = 17.3 ft 13 ftVVV hh Spill

1 Chapter 5 Chapter 5 Chapter 5 5-1. a. Acrolein C3H4O: M = 56.06 (Appendix E of text) Downwind concentration = 0.05 ppm Assume: Ground level release and instantaneous release (puff). Also assume 1 atm, 25oC. Downwind concentration = 0.05 ppm Assume: Ground level release and instantaneous release

16 16 16 5-12. The most direct approach is to use a coordinate system that is fixed on the ground at the release point. Thus, Equation 5-25 is used with Equation 5-27. This gives, ,0,0, exp expC x t ,0,0, exp expC x

1 1 1 Chapter 6 6-1. The flash point of the mixture occurs when the partial pressure of methanol is equal to the vapor pressure of pure methanol at the flash point temperature. From Appendix B, the flash point temperature for methanol is 11oC = 284.5 K

Problems and Solutions for Chapter 7 Problem 7-1 Use a vacuum purge to reduce the oxygen concentration to 1 ppm. The vessel has a volume of 3.78 cu m, the vacuum goes to 20 mm Hg absolute, the temperature is 24 deg. C and the highest pressure is 1 atm Determine the number of

1 1 1 Chapter 8 8-1. To use CRW, you must first specify a mixture name in this case Homework 6 2018 and then searching for the chemicals in the database and adding them to the mixture. There can be some confusion on what exact chemicals

1 1 1 Chapter 9 9-1. a. Unlocked valve cannot exist between rupture disc and spring relief. It is possible to have this configuration, but the valve must be locked open to insure that the relief device will operate when required. have this configuration, but the