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Thread: Difference between Biodiesel & Methylated seed oil

  1. #1
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    Difference between Biodiesel & Methylated seed oil

    Hi,
    is there any difference between biodiesel and methylated seed oil ?

  2. #2
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    Re: Difference between Biodiesel & Methylated seed oil

    Quote Originally Posted by aslaami View Post
    Hi,
    is there any difference between biodiesel and methylated seed oil ?
    Of that I am not sure. Vegetable oils are derived mainly from the seeds of crops (eg Canola, Linseed, Grape seed, etc). Vegetable oils can be esterified to make biodiesel, using methanol and a strong caustic as a catalyst (the use of other catalysts is also possible).

    How is methylated seed oil produced?? I have googled it, but only the use of it in a herbicide application context, not anything on the production of it.
    I would expect that it would not be cost effective to use it as a fuel.

    I hope this answers part of your question.
    Tony
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '06 Musso Sports 4X4 Manual Crew Cab tray back.
    '04 Rexton 4X4 Automatic SUV
    '2014 Toyota Prius (on ULP) - Wife's car

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Engine donor for W123 coupe. (body parted out and carcass sold for scrap.)
    '85 Mercedes Benz W123 300CD Turbodiesel
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    '06 Musso Sports Crew Cab well body. [Head gasket blew!]
    '04 Rexton SUV 2.9L Turbodiesel same as Musso - Our Family car.
    '06 Musso sports Crew Cab Trayback - My hack (no air cond, no heater).

    Searching the Biofuels Forum using Google
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  3. #3
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    Re: Difference between Biodiesel & Methylated seed oil

    Hi Tony,
    thanks for reply
    does biodiesel evaporate same like petrodiesel at ambient conditions? Which has a higher evaporation rate ?

  4. #4
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    Re: Difference between Biodiesel & Methylated seed oil

    But how methylated seed oil is produced ?

  5. #5
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    Re: Difference between Biodiesel & Methylated seed oil

    Quote Originally Posted by aslaami View Post
    Hi Tony,
    thanks for reply
    does biodiesel evaporate same like petrolem diesel at ambient conditions? Which has a higher evaporation rate ?
    Biodiesel does not evaporate as fast as petroleum diesel as it has fewer volatile components.

    I did search for making methylated seed oils.
    The only information I could locate was:
    "Methylated seed oil (MSO) is a kind of fatty acid from seed oil esterified with methyl alcohol" from site: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3782475/

    It is possible that MSO is in fact biodiesel, but we have noting to base the assumption on, other than the blanket statement quoted above.
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '06 Musso Sports 4X4 Manual Crew Cab tray back.
    '04 Rexton 4X4 Automatic SUV
    '2014 Toyota Prius (on ULP) - Wife's car

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Engine donor for W123 coupe. (body parted out and carcass sold for scrap.)
    '85 Mercedes Benz W123 300CD Turbodiesel
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    '06 Musso Sports Crew Cab well body. [Head gasket blew!]
    '04 Rexton SUV 2.9L Turbodiesel same as Musso - Our Family car.
    '06 Musso sports Crew Cab Trayback - My hack (no air cond, no heater).

    Searching the Biofuels Forum using Google
    Adding images and/or documents to your posts


  6. #6
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    Re: Difference between Biodiesel & Methylated seed oil

    I finally found the answer.
    From this MSDS it says it is 80%- 100% methyl soy ester
    https://www.siteone.com/pdf/sdsPDF?s...sourceId=23962

    From this website it says;
    https://www.regi.com/products/indust.../methyl-esters

    REG METHYL ESTERS — MORE THAN FUEL
    Biodiesel and methyl esters are two names for the same thing, but their uses can go well beyond fuel. Renewable Energy Group began producing methyl esters as solvents in 1996 at our first biorefinery in Ralston, Iowa, even before we produced the first gallon of biodiesel. Today, REG is one of the leading methyl ester producers in the United States, with our methyl esters going into products such as adjuvants, surfactants and solvents.

    And this SDS
    https://www.siteone.com/pdf/sdsPDF?s...sourceId=23962
    Synonyms- Methyl soyate, soy methyl esters (SME), rapeseed methyl esters (RME), canola methyl esters(CME), corn oil methyl esters, methyl tallowate, fatty acid methyl esters, fatty acid alkyl esters,FAME, methyl esters, methyl ester.


    Last edited by tillyfromparadise; 11th October 2020 at 03:11 PM.

  7. #7
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    Re: Difference between Biodiesel & Methylated seed oil

    There are at least 2 ways to make methylated seed oil . One is transesterification of vegetable oil with methanol using caustic as a catalyst . Another way is to make free fatty acids from vegetable oil , then under dry conditions , react methanol with the free fatty acids using a strong mineral acid as a catalyst (Fischer Esterification ). Biodiesel may be made with varying length carbon chain alcohols . Methyl alcohol is not the only option . I made methyl , ethyl , propyl and Isopropyl fatty acid esters . There's ethyl biodiesel , n-propyl biodiesel , isopropyl biodiesel and more , made in varying ways .

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