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8/6/2019 The Bio Diesel Process Simplified Update 2
http://slidepdf.com/reader/full/the-bio-diesel-process-simplified-update-2 1/3
THEBIODIESELPROCESSSIMPLIFIED
NaOH
Methanol
usedcooking
oil
Biodiesel
rocessor
Go see granny for the weekend
8/6/2019 The Bio Diesel Process Simplified Update 2
http://slidepdf.com/reader/full/the-bio-diesel-process-simplified-update-2 2/3
BREAKINGDOWNTHESTEPS:
Step1:Removemoistureandfoodparticlesfromyouroilviaheat(120–125F)and
filtering.Settletheoilforafewhours,ideallythedaybefore.
• Lookforclearoil
• Drainapprox.2–3gallonsofoilthathavesettledtothebottomoftheprocessor
Step2:Testyouroilforaciditylevels(Seeyourfriendlytitrationguide)
Step3:Readyyourrawmaterialandaddtotheprocessor(oilisaddedfirst)
• 1litreofoil
• 200mlofmethanol
• XgramsofNaOH(Lye)(rememberthisistobedissolvedinyourmethanol
afteryourtitration)
• GiveyourselfafewhourstoallowcompletedissolutionontheNaOHinthe
methanol.• Multiplythesebasefigurestothetotalquantityofvegetableoilyouwillbe
using.
Step4:Circulatetheoilinyourprocessorviapump
Step5:Feedthemethoxideviapump slowlyintotheprocessor
• Watchforgradualchangesinoilviscosity,becominglessthickovertime
• Youcanadjusttemperaturechangesintheprocessorhere.(131Fmax)
Step6:Withmethoxidecompletelyadded,mixallthecontentsintheprocessorfor
approx.3hours.• Dosampletestingaka9:1test
Step7:Shutdownprocessorafter3hrsandallowsettletimeof10–12hours
Step8:Draintheglycerinphaseandstoreseparately
Step9:Movecrudebiodieseltothewashtank
Step10:Addthewatertothecrudeglycerinbiodieselslowlyandbeginbubblewash
technique(12hrminimum)
Step11:Drainwaterandbegin2ndwash
• Lookforclearwaterphase(testthepHofthewaterpH8.5–7)
• Lookforclearbiodieselphase
Step12:Checkbiodieselwithashaketest.
• Lookforanythickmiddlephaseoremulsion)
8/6/2019 The Bio Diesel Process Simplified Update 2
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Step13:Drybiodieselviaheatandputintoyourtank
• Lookforclearbiodiesel