Paul Ciszek <nospam@[EMAIL PROTECTED]
> writes
>
>First, I would like to thank both of the people who responded to my
>question.
>
>In article <lxzWU7AXpSUHFwAJ@[EMAIL PROTECTED]
>,
>Oz <Oz@[EMAIL PROTECTED]
> wrote:
>>Paul Ciszek <nospam@[EMAIL PROTECTED]
> writes
>>>
>>>There are several chemical/biological techniques that could in theory
be
>>>used to turn manure into petroleum-like fuels.
>>
>>Yes, methane production for one. This is used at a household scale in
>>parts of india because burning cow dung loses nutrients, particularly
>>valuable phosphorus.
>
>Thermal depolymerization and thermochemical conversion are faster and
>more total, and more likely to be profitable in first world countries.
Improbable as a feedstock given the very variable and impure nature of
manures. Almost anything else would be better.
>
>>>According to one site,
>>>manure is too pricey a feedstock--it has value elsewhere, primarily as
>>>fertilizer, and fuel makers would have to bid against other buyers.
>>
>>It has a significant value as fertiliser, and as a soil micro-organism
>>food, and as a physical soil quality ameliorator.
>
>Is manure or other farm waste ever processed into manufactured
>fertilizer, or is it only used as-is?
Used as-is. Processing costs without adding any value whatsoever (and
probably reducing it).
--
Oz
This post is worth absolutely nothing and is probably fallacious.


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