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how expensive is the production?
04-05-2019, 11:24 PM
Post: #1
how expensive is the production?
Hello, can anybody tell if is expensive to produce biodisel at home?
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05-05-2019, 06:15 AM
Post: #2
RE: how expensive is the production?
That would depend on your definition of expensive!
Naoh-£40 (25kg)
Methanol- 50-60ppl
Oil-free and up to 50ppl
Time-££££...or free
Plant-free to£1000
Knowledge-no price..just time and effort

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05-05-2019, 07:56 AM
Post: #3
RE: how expensive is the production?
Prices as above. 1L meth makes about 5L bio. 25kg NaOH makes 2000+L bio some electric needed. About 3kwh.
With free oil I recon mine costs me less than 20ppl after cost of processor.

Mitsubish Delica (shogun engine) 60k miles on B100
Octavia TDI 30k on bio
CHP Lister SOM was grid tied 30000+kWH generated. Now stand by
Bio house and hot tub heating
Location Nr Worcester
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05-05-2019, 01:26 PM
Post: #4
RE: how expensive is the production?
(05-05-2019 07:56 AM)dickjotec Wrote:  Prices as above. 1L meth makes about 5L bio. 25kg NaOH makes 2000+L bio some electric needed. About 3kwh.
With free oil I recon mine costs me less than 20ppl after cost of processor.

That 3kWh needs clarifying, I am sure it should not be 3kWh per litre, but also not 3kWh for 2000L.

I'm not sure how much I use, but thought about 6kWh for a 125L batch.

There may be a cost of disposing of your glyc.

Paul
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05-05-2019, 04:00 PM
Post: #5
RE: how expensive is the production?
(05-05-2019 01:26 PM)countrypaul Wrote:  
(05-05-2019 07:56 AM)dickjotec Wrote:  Prices as above. 1L meth makes about 5L bio. 25kg NaOH makes 2000+L bio some electric needed. About 3kwh.
With free oil I recon mine costs me less than 20ppl after cost of processor.

That 3kWh needs clarifying, I am sure it should not be 3kWh per litre, but also not 3kWh for 2000L.

I'm not sure how much I use, but thought about 6kWh for a 125L batch.

There may be a cost of disposing of your glyc.

Point taken. I use about 3kwh per 200L processed though it is generated by a genny running on bio so I have no meter reading to go on.

Mitsubish Delica (shogun engine) 60k miles on B100
Octavia TDI 30k on bio
CHP Lister SOM was grid tied 30000+kWH generated. Now stand by
Bio house and hot tub heating
Location Nr Worcester
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14-05-2019, 11:22 AM
Post: #6
RE: how expensive is the production?
I used to reckon on 25 pence a litre to process it, plus the cost of the oil in the first place.

The electric isn't really even worth considering compared to the value of a batch of fuel if you have a sensible process method, I measured mine once, was somewhere in the region of £3 to make a 200l batch, but I can't remember if that was when I demethed etc.
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