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    Ethanol from wood chips

    Cellulose Complex Enzymes for Cellulosic Ethanol , January 21 , 2021 , The biological and eco-friendly method to produce ethanol from cellulose is cellulolytic processes which consist of hydrolysis...
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    Re: Accelerate biogas production from waste

    South of down town Fort Worth , Texas , USA about 6-8 miles next to Interstate highway 35 on the west is a covered garbage landfill area . there are pipes coming up from the ground . I believe they...
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    Re: Room Temperature Biodiesel process

    I don't know what a URL is . I used the yahoo.com search engine with words cement composition . Then scrolled down to see a listing showing cement is 57% calcium oxide (lime) . Yes I did make...
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    Re: Room Temperature Biodiesel process

    I looked in a Condensed Chemical Dictionary giving , Portland Cement - A type of hydraulic cement in the form of finely divided grey powder composed of lime , alumina , silica and iron oxide as...
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    Re: Room Temperature Biodiesel process

    Cement is partly calcium oxide . One molecule of water adds to one molecule of calcium oxide to make calcium hydroxide . CaO + H2O ------> Ca(OH)2 . So some water is removed from the reaction in...
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    Re: Room Temperature Biodiesel process

    I did the proceedure on 9/17/2017 , my notes on it aren't very good . First I used Magnesol on new corn oil to remove as much of the free fatty acids as I could , so that wouldn't complicate my...
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    Re: Room Temperature Biodiesel process

    Part of the idea of using cement is for calcium oxide in the cement to react with water produced by the methanol potassium hydroxide reaction to produce methoxide and water . The calcium oxide...
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    Re: Room Temperature Biodiesel process

    I'll mention , Portland Cement is about 60% calcium oxide , made from limestone . Methoxide made with calcium oxide has some of the calcium hydroxide dissolved in the mix . So calcium soap is...
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    Re: Room Temperature Biodiesel process

    I took organic chemistry in college for two semesters . If I recall correctly the professor said , generally for a ten degree celcius temperature increase the reaction rate is twice as fast . There...
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    Re: Indonesia goes to B50 next year

    In United States politics today is proposed "The Green New Deal' , by liberals . There is talk of zero carbon emissions and stopping fossil fuel . It will not happen . It's pre-election propaganda ,...
  11. 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...
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    Re: Filtering post dry wash

    JimV8; I make small amounts of biodiesel . I dry washed some of it with magnesium silicate . Maybe that's another issue . After treating the product biodiesel with magnesium silicate it's allowed...
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    Re: Commercial biodiesel

    In the United States I believe commercial diesel fuel contained 5% biodiesel . A problem with biodiesel and even diesel can be low temperature . Biodiesel is usually a mixture of fatty acid methyl...
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    Re: Best RV Furnaces for Using Biodiesel

    I can answer a part of the question . When I burned kerosene it produces soot , usually . But when I burned kerosene in an old hand held blow torch , no soot was produced . I don't know why , but...
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    Re: Best RV Furnaces for Using Biodiesel

    For cool weather use of biodiesel there is fractional crystallization . The temperature is lowered some as solids formed they are separated from the liquid . In this way a lower temperature...
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    Re: COVID-19 hurting oil feedstocks?

    Without doing much research , I've read in the USA gasoline was down to one USA dollar per gallon . The Russians and Saudi Arabians had a recent price war on petroleum , selling for five USA dollars...
  17. Re: Has the Infopop Biodiesel Forum ceased to operate?

    INFOPOP is down , so is Biodiesel Forum Ireland . One of the latest unanswered question on Biodiesel Forum Ireland was doing pyrolysis of plastics and or used vegetable oil to obtain useful...
  18. Re: Has the Infopop Biodiesel Forum ceased to operate?

    I am still here . I made biodiesel from acorns 3/5/2011 . I used a solvent extraction method to obtain the vegetable oil . I don't have the numbers in front of me but I might have got 5% oil from...
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    Re: Full volume of a 20L cubie?

    3DB I heated a round bottom boiling flask in a pan of hot vegetable oil. During the experiment the oil overflowed on the hot heating element. Vegetable oil expands in volume as it gets hotter. ...
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    Re: Using the tote?

    I didn't express what I meant to write simply. It's likely that with elevated temperature the plastic in a tote would be more vulnerable to chemical attack. I made methyl salicylate once, putting...
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    Re: Using the tote?

    I made biodiesel from new corn oil , potassium hydroxide , calcium oxide and methanol in a 1 liter glass bottle at room temperature. It's not all that slow. A problem was keeping the methoxide...
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    Re: Can I reprocess if failed 27/3 test?

    Under reacted biodiesel would have mono and di glycerides in it. Not titrating may cause soap excessive due to possible high titrating oil. I would experiment with 1/2-1 litre product in washing to...
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    Re: My first wash. AARGGHH

    I was interrupted while typing a reply. To continue, I made potassium or sodium soap from sodium or potassium hydroxide, on purpose. So I made normal soap. I put maybe 1/4 gram of the known...
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    Re: My first wash. AARGGHH

    Acetic acid is a stronger acid than free fatty acids. The sodium or potassium salt of free fatty acids (soaps) switch the sodium or potassium to acetic acid giving sodium acetate salt and the free...
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    Re: My first wash. AARGGHH

    With my purified biodiesel distilled water poured right through it to form two layers (phases) quickly. So there maybe another issue. If soap content is an issue sodium chloride, table salt, might...
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