Hi Richard, A copper wire test is to detect the presence of halogens in dung. When u insert a copper wire in the dung fire the flame color changes to green. On washing the dung, drying n then burning the dung removed the halogen n hence no change in the flame color.
Cheers Sarbagya Sent from my iPhone On 12/02/2012, at 1:28 AM, Richard Stanley <[email protected]> wrote: > Dear sarbagya, > What is the copper wire test? > Richard Stanley > > Sent from my iPhone > > On Feb 10, 2012, at 18:27, Sarbagya Tuladhar <[email protected]> wrote: > >> Hi Boston >> >> I volunteered with EWB Australia in Nepal working on a clean dung burning >> stove and thus worked with the dung as a fuel . Washing of the dung was done >> and briquettes which was a real success. Paper pulp used as a binder worked >> really well. Also the chloride contents of the dung which is responsible for >> watery eyes was removed on washing the dung which was proven by the copper >> wire test. We even fabricated a simple dung press for the same. The liquid >> portion of the dung was reutilised as manure in the fields. Thus the whole >> sceptism about "should" use dung as manure in the fields and not as a >> cooking fuel was somewhat solved. Did not test the NPK contents of the >> liquid portion though... >> >> Sarbagya >> >> Sent from my iPhone >> >> On 11/02/2012, at 2:06 AM, Boston Nyer <[email protected]> wrote: >> >>> Hello, >>> >>> I'm looking to clean/rinse cow dung and do not have any experience doing >>> so. Does anyone have any experience cleaning dung and would like to share? >>> >>> >>> Thank you! >>> Boston >>> >>> -- >>> Boston >>> Skype: BostonNyer >>> Cell: (585) 503-3459 >>> www.burndesignlab.org >>> >>> _______________________________________________ >>> Stoves mailing list >>> >>> to Send a Message to the list, use the email address >>> [email protected] >>> >>> to UNSUBSCRIBE or Change your List Settings use the web page >>> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org >>> >>> for more Biomass Cooking Stoves, News and Information see our web site: >>> http://www.bioenergylists.org/ >>> >> _______________________________________________ >> Stoves mailing list >> >> to Send a Message to the list, use the email address >> [email protected] >> >> to UNSUBSCRIBE or Change your List Settings use the web page >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org >> >> for more Biomass Cooking Stoves, News and Information see our web site: >> http://www.bioenergylists.org/ >> > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ >
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