[Stoves] banana peels

[Frank Shields]

Robert,

 

I wonder what the values would be if they were reported on a solids DAF
value? Would they be close to the same?

 

Thanks

Frank

 

 

Frank Shields

42 Hangar Way

Watsonville,  CA  95076

(831) 724-5244 tel

(831) 724-3188 fax

frank at biomassfuellab.com

 

 

 

From: stoves-bounces at lists.bioenergylists.org
[mailto:stoves-bounces at lists.bioenergylists.org] On Behalf Of Robert Taylor
Sent: Tuesday, December 06, 2011 1:08 AM
To: Discussion of biomass cooking stoves
Subject: Re: [Stoves] banana peels

 

Dear Prof. Karve

 

Thanks for adding the voice of experience. I was quoting, from my armchair,
a New Zealand government leaflet passed on by Ken Calvert, which lists
biogas yields from 20 different substrates. The table is entitled
"Production of biogas from digestion of various materials at 35 deg C and
suitable retention times with a loading concentration of 5% total solids".
Top of the list is banana, fruit and stem (not "whole plant", as I misquoted
from memory), yielding 940 liters of biogas (at 53% methane) per kg of total
solids, retention time 15 days. Next are potato tuber at 880 liters and
sugarbeet root at 620. Bottom of this particular list are cattle and sheep
manure, at 190/180 - 220 liters. I had thought some other
tropical/subtropical crops such as cassava were also listed, but that must
have been another source.

 

Best regards

 

Robert Taylor 

 

 

----- Original Message ----- 

From:  <mailto:adkarve at gmail.com> Anand Karve 

To:  <mailto:stoves at lists.bioenergylists.org> Discussion of biomass cooking
stoves 

Sent: Tuesday, December 06, 2011 2:55 PM

Subject: Re: [Stoves] banana peels

 

Dear Robert,

the pseudostems of banana are not very good. I tried to make biogas out of
them but failed. If there is any trick that I am not aware of, please let me
know. I think they are full of phenolic compounds which retard the activity
of the methanogenic micro-organisms.

Yours

A.D.Karve

On Mon, Dec 5, 2011 at 12:33 PM, Robert Taylor <rt at ms1.hinet.net> wrote:

According to info posted on the Digestion list in the past (courtesy of Ken
Calvert, I think), all parts of the banana plant make an excellent input for
anaerobic digestion.

No idea whether the same applies to the water lilies just mentioned by
Crispin.

Robert 

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-- 
***
Dr. A.D. Karve
Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)



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