Safety and Safety and Chemical Chemical

Engineering Engineering Education (SaChE)Education (SaChE)

Dr. Tom SpicerDr. Tom SpicerProfessor and HeadProfessor and Head

Ralph E. Martin Department of Chemical Ralph E. Martin Department of Chemical EngineeringEngineering

University of ArkansasUniversity of Arkansas

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What we are going to doWhat we are going to do IntroductionsIntroductions Safety as professional mindsetSafety as professional mindset What SaChE does to promote safety What SaChE does to promote safety

educationeducation SaChE productsSaChE products Process Safety BeaconProcess Safety Beacon ChemE Car SafetyChemE Car Safety Faculty workshops (next 14-18 Sept 2008, Faculty workshops (next 14-18 Sept 2008,

Rohm & Haas)Rohm & Haas) Demonstration of liquid fuel flammabilityDemonstration of liquid fuel flammability

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Safety as Professional Safety as Professional MindsetMindset

Part time staff person as Safety OfficerPart time staff person as Safety Officer Responsible for all training programsResponsible for all training programs Responsible for chemical inventory maintenanceResponsible for chemical inventory maintenance Responsible for regulatory complianceResponsible for regulatory compliance

Comprehensive lab safety program – Comprehensive lab safety program – undergrad programundergrad program Required training on lab safety in Required training on lab safety in

undergraduate labsundergraduate labs Required 3 hour course in chemical process Required 3 hour course in chemical process

safetysafety

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Safety as Professional Safety as Professional MindsetMindset

Comprehensive lab safety program – grad programsComprehensive lab safety program – grad programs Ongoing safety training programs for graduate students Ongoing safety training programs for graduate students

to meet regulatory requirements (annual calendar, pre-to meet regulatory requirements (annual calendar, pre-testing used to screen for need for training)testing used to screen for need for training)

Annual walk through inspections of graduate student Annual walk through inspections of graduate student labs; follow up with facultylabs; follow up with faculty

Annual fire extinguisher training for graduate studentsAnnual fire extinguisher training for graduate students Red Cross Basic first aid for all incoming graduate Red Cross Basic first aid for all incoming graduate

studentsstudents Lab safety policies fairly enforcedLab safety policies fairly enforced

Arbitrary (Seinfeld’s “soup nazi”) v. relevantArbitrary (Seinfeld’s “soup nazi”) v. relevant Over-the-top requirements v. common sense is not Over-the-top requirements v. common sense is not

commoncommon Inform Inform andand educate educate

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Safety as Professional Safety as Professional MindsetMindset

RelevanceRelevance Bhopal, IndiaBhopal, India Graniteville, SCGraniteville, SC BP, HoustonBP, Houston Dallas, TX Dallas, TX

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SaChE ProductsSaChE Products Available with annual membership in Available with annual membership in

SaChE ($300/yr)SaChE ($300/yr) Group Manager at each school is the Group Manager at each school is the

primary point of contact; Group Manager primary point of contact; Group Manager grants login capabilities to individual grants login capabilities to individual faculty or stafffaculty or staff

Faculty can grant access to some Faculty can grant access to some products to students as a group (in products to students as a group (in progress)progress)

SaChE web site: SaChE web site: http://www.sache.org/index.asphttp://www.sache.org/index.asp

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SaChE Problem SetsSaChE Problem Sets

Problem 41Problem 41 Would the background be relevant to an Would the background be relevant to an

undergraduate in Thermodynamics?undergraduate in Thermodynamics? Were the instructor comments helpful?Were the instructor comments helpful? Would you assign this problem:Would you assign this problem:

as is?as is? with some modifications?with some modifications?

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SaChE Problem SetsSaChE Problem Sets

Problem 42Problem 42 Were the instructor comments helpful?Were the instructor comments helpful? Would you be comfortable assigning this Would you be comfortable assigning this

problem if you didn’t understand where problem if you didn’t understand where the criteria for mixture flash point comes the criteria for mixture flash point comes from?from?

Would you assign this problem:Would you assign this problem: as is?as is? with some modification?with some modification? for a nonideal solution?for a nonideal solution?

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SaChE Problem SetsSaChE Problem Sets

Problem 48Problem 48 Would this problem work well on a Would this problem work well on a

process simulator? If so, would you process simulator? If so, would you modify it?modify it?

Would you assign this problem:Would you assign this problem: as is?as is? with some modification?with some modification? for a nonideal solution?for a nonideal solution?

Fire in the Hole!Fire in the Hole!

Chemical Engineering andChemical Engineering andOur Commitment to SafetyOur Commitment to Safety

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Fire triangleFire triangle

Ignition source

Fuel Oxygen

Fire

Self-propagating

Exothermal Reaction

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Think about this Think about this exercise!exercise!

Fire is officially one of the first three Fire is officially one of the first three elements – so people have thought about elements – so people have thought about it for a long timeit for a long time

Did you read the assignment for today?Did you read the assignment for today? So, you have a lot experience including So, you have a lot experience including

some text book backgroundsome text book background Do you think you are going to be Do you think you are going to be

surprised today? All of this underscores surprised today? All of this underscores the need for lifelong learning.the need for lifelong learning.

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Flammability Flammability demonstrationdemonstration

In case of an uncontrolled fire:In case of an uncontrolled fire: Anybody worked a fire extinguisher Anybody worked a fire extinguisher

before?before? Class of fire and appropriate extinguisherClass of fire and appropriate extinguisher Rule of thumb; fire feedbackRule of thumb; fire feedback Misuse of an extinguisher can spread the Misuse of an extinguisher can spread the

firefire Exit the room and the building in an Exit the room and the building in an

orderly fashion – be coolorderly fashion – be cool Activate the fire alarm on the way out of Activate the fire alarm on the way out of

the buildingthe building

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FuelsFuelsMethanMethanolol EthanolEthanol PropanoPropano

llHexaneHexane DecaneDecane

Molecular weightMolecular weight 3232 4646 6060 8686 142.3142.3

Combustion energy Combustion energy (kcal/g)(kcal/g) 5.45.4 7.17.1 8.18.1 11.611.6 11.411.4

LFL (%)LFL (%) 7.37.3 4.34.3 2.12.1 1.21.2 0.80.8

UFL (%)UFL (%) 36.036.0 19.019.0 13.513.5 7.57.5 5.45.4

Vapor pressure (torr)Vapor pressure (torr) 96.96. 45.45. 14.714.7 121.121. 0.880.88

Vapor concentration Vapor concentration (%)(%) 13.013.0 6.16.1 2.02.0 16.516.5 0.120.12

Flash point (C)Flash point (C) 12.212.2 12.812.8 15.015.0 -23.0-23.0 46.146.1

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Still other things to Still other things to considerconsider

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Post 9-11 Issues – Shipping

33,000,000 gal LNG

10,000 gal LNG

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Further informationFurther information

E-mail: E-mail: tos@uark.edutos@uark.edu Web: Web: www.cheg.uark.eduwww.cheg.uark.edu