[Stoves] Vegetable oil or biodiesel?

[Richard Stanley]

Dear AD, 

Thanks for that elucidation about fresh veggie oil use in India but what about the spent, or in local jargon, waste veggie oil ? 
Is it not filterable and heatable and useable a fuel ?

Richard Stanley
Arusha Tz.

On Nov 8, 2011, at 3:25 AM, Anand Karve wrote:

> Dear Stovers,
> in India, we import more than 50% of our edible vegetable oil. The
> non-edible plant oils are used industrially for fatty acid extraction,
> soap making, in paints, and nowadays also for biodiesel production. As
> a result, even the non-edible oils are quite costly. There is a trend
> nowadays of removing the non-edible ingredients from non-edible oils
> to make them edible. Thus, cottonseed oil and rice bran oil, which
> were considered to be non-edible, have now become edible. Biodiesel
> made from plant oil costs almost twice as much as petroleum based
> diesel. It is much cheaper to run internal combustion engines on
> biogas. Every city has a vegetable market, which generates huge
> quantities of vegetable waste. The wholesale vegetable market of
> Mumbai generates daily about 50 truckloads of waste. It has a
> potential of producing daily about 50 tons of biogas, which in turn
> would generate about 50 megawatts of electricity daily. Manufacturers
> have started manufacturing engines, made specifically to accept biogas
> as fuel. I am currently heading a project, aimed at developing a rural
> biogas system using green leaves as feedstock. It is funded by the
> Government of India.
> Yours
> A.D.Karve
> 
> On Tue, Nov 8, 2011 at 8:53 AM, Darren <mail at vegburner.co.uk> wrote:
>> Liquid vegetable oils make excellent vehicle fuels.  Solid fats burn well in
>> diesel engines although fully heated fuel systems are required to get fats
>> to flow to the engine.
>> 
>> Always feels a bit of a waste using them in heaters or generators.  No doubt
>> in some situations it makes sense.
>> 
>> Best
>> 
>> Darren
>> 
>> 
>> 
>> 
> 
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