Biogas injection...

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Biogas injection...
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Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Sat May 31, 14 11:12 am Post subject: Biogas injection...
I've heard that you can get RHI payments for producing biogas and injecting it into the gas mains. Sounds a bit crazy, but it is up on the official website, but not very much information about it... So I thought I would consult at the fountain of knowledge... What do we know?

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Sat May 31, 14 12:56 pm Post subject:
Do a search for biogas uk. Every non water company biogas producer is there, along with a ton of information. The main centre of excellence is in treforest at the Uni, and they're having an open day on Thursday this week. Probably not aimed at tiny individuals, but certainly communal groups are very much a target audience. If you want an invite, yell. Free lunch, too.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Sat May 31, 14 12:56 pm Post subject:
https://www.biogas-info.co.uk/ And head to the NEC, first week in July. Free conference, addressing all your needs. And I'll buy the beer.

dpack

Joined: 02 Jul 2005
Posts: 45460
Location: yes

Posted: Sat May 31, 14 1:53 pm Post subject:

cat like

ive known cat stuff for a very long time and some of it is very sensible,low tech and local

whether these methods would qualify for adding subsidy to product i dont know but they do seem to know about the production og gas for local use

ps this stuff is usa based but cat are well worth a visit if you go to wales,they do courses etc but are often up for an informal chat with interested/ing folk

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Sat May 31, 14 3:23 pm Post subject:

Nick wrote:

The main centre of excellence is in treforest at the Uni, and they're having an open day on Thursday this week.

Pretty sure I can't do Thursday(s). But thank you for the offer.

Quote:

Probably not aimed at tiny individuals...

I'm not that small... who's been gossiping?!

Quote:

Free lunch, too.

I think I didn't want to know that, since I can't go.

Mistress Rose

Joined: 21 Jul 2011
Posts: 15575

Posted: Sun Jun 01, 14 7:46 am Post subject:
Is CAT what used to be the Centre for Alternative Technology? We went there once and it was quite interesting, but could have done with more people to talk to as well as the exhibits.

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Sun Jun 01, 14 8:44 am Post subject:

Mistress Rose wrote:

Is CAT what used to be the Centre for Alternative Technology? We went there once and it was quite interesting, but could have done with more people to talk to as well as the exhibits.

I believe so. Went a long time back and was fairly disappointed.
Probably worth another visit by now, if they haven't progressed much then it's worth the trip to give me something new to complain about.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Sun Jun 01, 14 8:45 am Post subject:
They're featured in this weeks Kitchen Cabinet podcast. Something about solar cookers, it seems.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Fri Jun 06, 14 12:50 pm Post subject:
Seems biogas is not for small concerns, but for larger ones. Essentially, the setup problems, monitoring and control is the same for a large and small set up, which makes it uneconomical below a certain size. They're playing with some interesting science, tho.

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Fri Jun 06, 14 1:34 pm Post subject:

Nick wrote:

Essentially, the setup problems, monitoring and control is the same for a large and small set up, which makes it uneconomical below a certain size.

I expect that it is only a matter of time before the technology to do the monitoring and control improves and becomes cheaper.
How big are we talking about?

Meanwhile, back to plan B: put it in bottles and inject it downstream of the meter. Then it is only the customer who needs to be happy.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Fri Jun 06, 14 3:58 pm Post subject:
500mw is small. Perhaps less than fifty tons a day input. Figures are very rough but the orders of magnitude are right.

dpack

Joined: 02 Jul 2005
Posts: 45460
Location: yes

Posted: Fri Jun 06, 14 4:29 pm Post subject:
small scale for local use is possible but a bit madmax style from what i have read of it for small scale gas production i recon wood distillation is a goer but storage etc have issues and really for a generator you might as well burn wood in a steam engine

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Fri Jun 06, 14 5:24 pm Post subject:

dpack wrote:

for small scale gas production i recon wood distillation is a goer but storage etc have issues...

Hence investigating the idea of injecting it into the mains.

Hairyloon

Joined: 20 Nov 2008
Posts: 15425
Location: Today I are mostly being in Yorkshire.

Posted: Fri Jun 06, 14 5:26 pm Post subject:

Nick wrote:

500MW is small. Perhaps less than fifty tons a day input.

If we assume 200g per person per day, that is 250,000 people...

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Fri Jun 06, 14 5:41 pm Post subject:
Which is why they're built at the back of sewage works, or slurry pits or fed by lorry loads of waste pork scratchings.

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