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Chapter 1 1-2. a. This is a bit difficult to classify since it doesn’t fit explicitly into the hierarchy. However, it does appear that safety is a core value for this company so it is likely a 5. b. This […]

1 Chapter 10 10-1. Relief Configuration MAWP psig Set Pressure psig Maximum Set Pressure psig Maximum Accumulated Pressure psig Allowable Overpressure psig 10-2. a. Certified capacity spring-type relief. Liquid flow = 100 gpm Set pressure = 50 psig Overpressure = […]

SafetyReviewforReactorshowninExample11‐2a,b DataforSafetyReview DesignRequirementsforReactor Materials: a) Flammabilitycharacteristics:LFL3%and UFL100%,FP–29deg.C,AIT429 o C b) Explosivitycharacteristics:CanBLEVE  a) Needexplosionproofelectrical‐Class1, GroupD,Div.1(beingconservative),inert allpipelinesandvesselsincontactwith EO Equipment a) Safetymargins–pressure,flow, temperature:BP10.7deg.C b) Pressurerelief–typeandsizeforworst casescenario:Reactioncanrunaway   c) Plantlayoutconstraints:Needprocess areaswellventilated. d) ElectricalequipmentNeedexplosion proofelectrical,Class1,GroupD,Div.1 (beingconservative) e) Controls–redundancyandfail‐safe conditions f) Procedures–operatingand maintenanceprocedures,normal,shut‐ down,cleaning,emergency,etc. […]

——————————————— μC2 μB2 0.25()2.5 10 3  μC1 μB2 μC27.5 10 3  μD2 μC1 0.25()1.875 10 3  μE22 μD2 0.1()1.875 10 4  ——————————————————— μC2 μB2 0.25()2.5 10 3  μD2 μC2 0.25()6.25 10 4  μE23 μD2 […]

Solution 13-7 a) Describe the incident: On January 29, 2003, an explosion and fire destroyed the b) Recommendations: 1) Make compliance with NFPA 654, Standard for the Prevention of Fire and Dust Explosions From the Manufacturing, Processing, and Handling of […]

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 […]

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.) […]

End of Problem 3–7 Problem 3–8 Xylene is used in a hood that has a face area of 4.65 sq m, with a temperature of 25 deg. C and at 1 atm. a) Determine the dilution ventilation required to keep […]

1  Chapter 4 4-1. Use Equation 4-50 in the textbook: (1)/(1) 2 1 c moo go gM QCAP RT         4 7.42 10 kg/s m Q   4-2. Chlorine: 3 3 […]

4-12. Turpentine density = 55 lbm/ft3 a. Compute the total volume spilled by the change in liquid level:    Spill 1 2 1 2 2 4 3.14 15 ft = 17.3 ft 13 ft VVV hh   […]

1 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. Convert 0.05 ppm to mg/m3. Use Equation (2-7) in text. […]

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 exp C x t  […]

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 […]

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 […]

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 […]

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. b. Similar […]