[Stoves] Water heating with TLUDs

Paul Anderson psanders at ilstu.edu
Sat Oct 5 09:54:38 MDT 2013


Nolbert at Awamu and to all Stovers

[And i am sending this to a few others who are not on the Stoves 
Listserv.   And sending it
to the Biochar List because it shows a very good way to have a useful 
task (heating water) while using TLUD
technology to make biochar.]

You received this whole message from the Stoves Listserv, but I am 
emphasizing part of it.
Crispin wrote in reference to Indonesia:
> It means about 70 of the whole population is using wood for heating water,
> with a smaller fraction using it more and more as income decreases.
>
> Cecil says kitchens are becoming divided into a clean
[ he probably mistyped this and it meant to say "UNclean or rustic or 
'outside' (that I observed in India)  "]
> portion with wood and
> dirty pots, and a clean side with LPG and clean pots. There is an
> opportunity in the market for water-heating-only devices which are highly
> suited to TLUD powering because the task is fixed and predictable, plus it
> operates at full power all the time. Think of it as a biomass-powered
> kettle.
THIS is an extremely important niche for Awamu and for TLUDs 
everywhere.  Just one highly common, frequent (maybe even multiple times 
per day) and useful application (in this case water heating for bathing 
or for boiling to drink) to provide sufficient market and demand for 
introducing the TLUD technology to households and to schools.  TLUD 
convenience as pointed out by Crispin and the use of less expensive fuel 
could turn the tide of acceptance in some communities.

We need to think of "kitchens" or separate areas where the pots are 
black and that does not matter.

Note that this is not just for boiling water for drinking, which can be 
ANOTHER major utility of TLUD stoves.

Doc

Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  psanders at ilstu.edu
Skype: paultlud      Phone: +1-309-452-7072
Website:  www.drtlud.com



-------- Original Message --------
Subject: 	Re: [Stoves] NE Biochar takes the C-cake
Date: 	Sat, 05 Oct 2013 00:25:40 +0700
From: 	Crispin Pemberton-Pigott <crispinpigott at gmail.com>
Reply-To: 	Discussion of biomass cooking stoves 
<stoves at lists.bioenergylists.org>
To: 	'Discussion of biomass cooking stoves' 
<stoves at lists.bioenergylists.org>



Dear Ron

> Anything more on wood prices in town would be helpful.  And for anything
in large quantities.
> Any data on the main cooking fuels if not char?  Propane, electricity,
etc.  Much wood?

The study just finished is being compiled. Early indications are that a
rough split of 40% cooking primarily with wood, 40% cooking primarily with
(subsidised) LPG, 20% with kerosene and electricity.

Of the 40% using LPG, 70% are using wood to heat water.
Of the 40% using wood, over 70% are using LPG to some extent, even in places
quite far from a supply.

It means about 70 of the whole population is using wood for heating water,
with a smaller fraction using it more and more as income decreases.

Cecil says kitchens are becoming divided into a clean portion with wood and
dirty pots, and a clean side with LPG and clean pots. There is an
opportunity in the market for water-heating-only devices which are highly
suited to TLUD powering because the task is fixed and predictable, plus it
operates at full power all the time. Think of it as a biomass-powered
kettle.

Regards
Crispin



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