<font style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10pt">Frans, Hello,<div><br></div><div>Strictly speaking, you do not need cattle dung to start the plant, but it does speed things up. Suitable microbes will find their way into a biogas plant, but this can take a long time. Cattle dung introduces the right microbes at the right time. Once a population of the right microbes has been built up, they should continue. You should only need more cattle dung if there is a problem. <br><br><font face="Verdana">Best Wishes, </font><br>
<font face="Verdana">
David
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<br><br><font size="2" face="Tahoma, Arial, Sans-Serif"><hr size="2" width="100%" align="center"><strong>From</strong>: "Frans Somebody" <franshenn238@gmail.com><br><strong>Sent</strong>: Wednesday, April 23, 2014 7:23 AM<br><strong>To</strong>: "For Discussion of Anaerobic Digestion" <digestion@lists.bioenergylists.org><br><strong>Subject</strong>: Re: [Digestion] Slurry drier</font><br><br><p>Thanks Paul for your points. Yes I had been told to start with cow dung first, which is where I was at when it exploaded!. What I have not been able to find is anyone who has then continued with chicken droppings for any length of time. Will I have to continually re-inocculate with cow dung?<br>
Your comment on the sand filter is of interest, I will have to run some tests, tho I do see a problem in summer with the heavy rains.<br>
Thank you.<br>
Frans Henn</p>
<div class="gmail_quote">On Apr 17, 2014 2:07 PM, "Paul Harris" <<a href="mailto:harrisfm@aapt.net.au">harrisfm@aapt.net.au</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>G'day Frans,<br>
<br>
I hope by now that someone has pointed out that chicken manure
does NOT contain methanogens, so you will get CO2 but not biogas.
You need to innoculate the digester with cow or pig manure then
change to chicken manure in a couple of steps.<br>
<br>
Good luck,<br>
<pre cols="72">HOOROO
Mr Paul Harris</pre>
On 12/04/2014 11:53 AM, Frans Somebody wrote:<br>
</div>
<blockquote type="cite">
<p>Hi all. For the record, failed in my first attempt! Had a bag
made of heavy 'sail' in South Africa, cost a lot! About 10m long
X 1m high with heat welded seams. It lasted less tha 24 hours
and 1 of the seams burst. What a mess!<br>
Will now have to sandwhich all seams between 2 pieces of flat
bar & try again.<br>
We live, & hopefully learn from our mistakes.<br>
Assuming I can get beyond the the next 24 hours! Can anyone out
there shed any light on, a) biogas from pure chicken droppings,
ie from layers in cages.<br>
b) I desparately need a way to remove the excess water from the
slurry. (For the moment lets assume that cost is not a problem).
<br>
Any & all ideas would be most appreciated.<br>
I do not have access to spare land, so lagoons or sun drying is
out, nor can I get sufficient vegitative, grass, etc<br>
Please help<br>
Frans<br>
Swaziland</p>
<br>
<fieldset></fieldset>
<br>
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