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  1. #1
    Join Date
    Oct 2011
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    Foolproof Room Temperature (FRT) Biodiesel

    Some years ago I introduced the "Imisides Method" - a foolproof means of manufacturing biodiesel. In retrospect the use of my name was probably a little self-indulgent, but was done simply because this is how things are done in the chemical literature (Grignard Reaction, Aldol Condensation etc). Thus it has now been renamed to make it descriptive of the process.

    In that time it has been through a few modifications and the volumes have now been optimised for the manufacture of 1080 L in an IBC

    I have now posted it on my website, complete with videos. You don't need to understand the chemistry of the process to make it work - this method is so simple that all you have to do is follow simple instructions (with help from the videos).

    So if you're wasting your time with titrations, or heating your process, you don't have to.

    For those in and around Perth, I'll be doing a public demonstration of it with my next batch, although that will be several months away.

    Please note that I won't be responding to any comments or questions on this forum, owing to the presence of a certain individual who ruins this site for everyone, and whose posts I stopped reading years ago.

    There is a facility on my website for asking questions or making comments, and any genuine questions or comments will be addressed there.

    Cheers
    Mark Imisides (aka Dr Chemical)
    Last edited by Dr Mark; 30th January 2019 at 07:12 PM.

  2. #2
    Join Date
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    Re: Foolproof Room Temperature (FRT) Biodiesel

    WOW! You have increased the KOH requirement from 15g KOH per litre of WVO to 20g KOH per litre of WVO!!

    I see you took my 2017 test results that I posted on this forum to heart that showed this "foolproof" procedure would not make biodiesel with oil titrating 18 KOH when using "only" 15g KOH per litre of WVO.
    I suspect that this new increased amount of 20g KOH per litre of WVO will still not make biodiesel with oil titrating 18 KOH.
    http://www.biofuelsforum.com/threads...s-method/page6

    You must be on a first name basis with your KOH supplier

  3. #3
    Join Date
    Dec 2016
    Location
    York UK
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    126

    Re: Foolproof Room Temperature (FRT) Biodiesel

    Do the Brisbane and Perth football teams have supporters that are always 'falling out'!

  4. #4
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    Re: Foolproof Room Temperature (FRT) Biodiesel

    Hi Smithy,

    Quote Originally Posted by smithy View Post
    Do the Brisbane and Perth football teams...
    When you say Football, do you mean Rugby Union, Rugby League, Australian Rules, Soccer, or Gridiron?

  5. #5
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    Re: Foolproof Room Temperature (FRT) Biodiesel

    A Huge mistake in the instructions!!

    Hi Mark,
    I was really shocked to read in your instructions where you said;
    "The Dr Pepper method is constrained in the amount of catalyst it can add because of the danger of promoting saponification. So the mixture needs to be heated (to 55 deg C)."
    This statement is simply not correct. Everyone knows that there is no requirement to heat the oil before performing the reaction.
    It is common knowledge that when performing a single or multiple stage base reaction, the reaction works just fine at ambient temperature as long as everything remains liquid.
    I have told you this a number of times.
    Even your good friend WesleyB posted last year on this forum in the Imisides Method thread;
    "Well Tilly you're right. I reacted 380 milliliters Mazola new corn oil , titration number 0.13 with 100 milliliters methanol with 3.4 grams 85% potassium hydroxide dissolved in it, at a room temperature of twenty five degrees celcius,... did a Warnquest 10/90 test, there was no fallout. So, biodiesel transesterification reaction can be done without heating using the regular method"
    http://www.biofuelsforum.com/threads...ght=#post66002

    I think it would really help if you did some testing.
    If you need any further assistance please do not hesitate to ask.

  6. #6
    Join Date
    Oct 2011
    Location
    Perth
    Posts
    225

    Re: Foolproof Room Temperature (FRT) Biodiesel

    Please note that my method has been updated:

    1. Extra videos have been added. In particular I have addressed the issue of waste disposal. One unexpected outcome of this method was a very low viscosity, low foaming glycerol phase that is easily disposed of down the sink.

    2. A calculation section has been added.

    Please note that only genuine questions or comments will be answered on this forum

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