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<blockquote data-quote="sjt01" data-source="post: 7270073" data-attributes="member: 30726"><p>I had not been commenting, hoping that [USER=12253]@Chippy[/USER] would come in. He has a slurry plant installed, and it was discussed in the thread Micro AD for slurry from June 2019. I have seen that type of plant at a cheesemaker in Somerset. As with all AD plants, there were installation and commissioning problems, but these can be overcome.</p><p>For AD to work without subsidy, you need:</p><p>1. A low cost or zero cost feedstock - dairy slurry, top of the maize clamp, whey from small scale cheesemaking.</p><p>2. A good use for the electricity on site, saving buying it in.</p><p>3. A good use for the heat from the CHP, such as heating farmhouse, cottages, dairy hot water, grain drying, workshop heating, cheesemaking heat, warm drinking water for cows.</p><p>4. An installation that the supplier allows you to modify without restrictions, combined with an owner/operator capable of appropriate use of feedstock, timely maintenance, and the ability to modify the plant when it does not work as required or needs too much maintenance.</p><p></p><p>We have quite a complex setup, feeding maize, slurry, whey, lucerne (replaced chopped beet), and I have extensively modified the plant. I have the advantage of an engineering background. I am happy to show people around, and talk about how it works. I think if I was in the OP's position, I would design a plant myself. Possibly start with second hand milk silos - insulated stainless tanks that are reasonably priced - as big as can be transported to farm.</p></blockquote><p></p>
[QUOTE="sjt01, post: 7270073, member: 30726"] I had not been commenting, hoping that [USER=12253]@Chippy[/USER] would come in. He has a slurry plant installed, and it was discussed in the thread Micro AD for slurry from June 2019. I have seen that type of plant at a cheesemaker in Somerset. As with all AD plants, there were installation and commissioning problems, but these can be overcome. For AD to work without subsidy, you need: 1. A low cost or zero cost feedstock - dairy slurry, top of the maize clamp, whey from small scale cheesemaking. 2. A good use for the electricity on site, saving buying it in. 3. A good use for the heat from the CHP, such as heating farmhouse, cottages, dairy hot water, grain drying, workshop heating, cheesemaking heat, warm drinking water for cows. 4. An installation that the supplier allows you to modify without restrictions, combined with an owner/operator capable of appropriate use of feedstock, timely maintenance, and the ability to modify the plant when it does not work as required or needs too much maintenance. We have quite a complex setup, feeding maize, slurry, whey, lucerne (replaced chopped beet), and I have extensively modified the plant. I have the advantage of an engineering background. I am happy to show people around, and talk about how it works. I think if I was in the OP's position, I would design a plant myself. Possibly start with second hand milk silos - insulated stainless tanks that are reasonably priced - as big as can be transported to farm. [/QUOTE]
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