Mark,
Shame on you for doing the math. It was probably pitched as a least cost disposal option with the added benefit of power generation. Nutrient management, heat and material balances, or life cycle costs may not have been considered. Well have to get Joel Arcus of BioWaste Technologies into the conversation. With the instability of power generation in South Africa you would think that gasifiers could compete. Just to throw a spanner into the works have a look at a recent Spanner gasifier installation in the UK. http://www.holz-kraft.de/images/Blog/FW_article_Nick_Helme.pdf £500,000 (USD $767,000) for 90 kWe and 216 KWth. $8,500/kWe. With the right fuel these gasifiers have a very high availability of 7,000-8,000 hours per year. In Germany they have sold 400+ as heating devices for farms. Since the German utilities pay something like $0.28/kWh it helps pay off the investment. We cant justify the in North America. In the UK, as the article points out, the customer is the government. You need the Renewable Heat Incentive (RHI) and the Renewable Obligation Certificates (ROC) to justify the investment. So when it comes to gasifiers the UK ROCS! At least this year. It would be nice to see gasifiers pay their own way with real revenues but fossil fuels keep a lid on that opportunity. Tom From: Gasification [mailto:[email protected]] On Behalf Of Mark Elliott Ludlow Sent: Sunday, October 25, 2015 6:39 PM To: 'Discussion of biomass pyrolysis and gasification' <[email protected]> Subject: Re: [Gasification] Abattoir's pyrolysis plant bucks methane power-making trend This is surely over-hyped, Tom. Eleven-tonnes of waste (which is likely 85%, or more, water) implies that over 9,000 kgm of water will need to be evaporated each day just to end up with a couple of metric tons of pyrolyzable waste. This is beyond ludicrous! Why not simply enzymatically digest the offal, pasteurize it, and overland apply it as a soil amendment? HAS to be some govmint money pushing ridiculous projects like this one! Mark From: Gasification [mailto:[email protected]] On Behalf Of Tom Miles Sent: Sunday, October 25, 2015 5:01 PM To: 'Discussion of biomass pyrolysis and gasification' <[email protected] <mailto:[email protected]> > Subject: [Gasification] Abattoir's pyrolysis plant bucks methane power-making trend An alternative to anaerobic digestion for abbattoir waste in South Africa Abattoirs pyrolysis plant bucks methane power-making trend Read the article now. http://www.bdlive.co.za/business/innovation/2015/10/13/abattoirs-pyrolysis-p lant-bucks-methane-power-making-trend BioWaste Technologies, Gauteng, South Africa, Joel Arcus http://www.biowastetech.co.za/ BDlive is a premium digital news publication focusing on the South African economy, business and politics, updated all day long by a newsroom of expert journalists. Read more (link to http://www.bdlive.co.za) Subscribe now (link to http://www.bdlive.co.za/subscribe)
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