Incredible all this energy that seems being produced !! Thanks !! Isn't it possible to use the heat generated to aerate the pile ? With peltier device, after starting the system so it is enough hot.. Otherwise, with trompes systems, when you have enough rain/water/grey water flow, you can use its energy to pull or push gas through the pile.
I have never used a peltier device, but it could be a great idea. These types of bins can actually self aerate very well, where the heat produced inside the box rises, comes out the top and draws the cold air in from the bottom. Depending on the porosity of the mix and the energy in the material, it is possible to maintain a minimum of 18% oxygen in the bin.
Hello Mr john , I am looking for design specifications of this blue bin in your videos and comments. I did also look you up on the internet but I can't find any information , may you provide us with something so we can use the method as well for our communities? really appreciate your effort and contribution to our knowledge.
thank you for your comments! My goal is to provide the principles of the composting process and give some examples of what is possible. A successful composting process is not only about bin design, but understanding the microbiology and the conditions required for good composting. You are welcome to email me at transform@telus.net.
I really like the actively aerated piles! I was wanting to make one too, (I have a whole design and I did all the math correctly), but the thing that really troubled me was I calculated for how much air I needed for peak composting, but since the composting process isn't linear, I had no way of telling what I could do to make sure the amount of air that was going into the pile was correct. My main concern was just making it so that I had 6ppms of O2 at all times to make sure the pile didn't go facultative or pure anaerobic.
Hi Jacob, Figuring how much air is required is not a simple calculation, and, assuming that there is adequate porosity in the mix, depends primarily on the available energy in the material being composted. My experience is that 6 ppm O2 is too low for potentially odorous material such as food waste. Have fun with it!
@@TransformCompost In your experience, what would you say is the minimum amount of oxygen to prevent odor? If I had a compost pile where an automatic blower would turn on based on O2 exposure, what would be the min ppms of O2? Im making this compost for my garden so i'm not too concerned with weed killing as I typically never use any substances contaminated with weeds. And if there are weeds, i don't mind them really (unless they are geophytes). Porosity is pretty high as I typically use 30% biochar for the piles i have tried to make, some with more luck than others.
@@jacobfurnish7450 For larger piles, the recommendation is at least 15% oxygen to minimize the risk of odor. I find that it also depends on the odor potential of the material being composted as well. Food waste has a high odor potential, whereas the odor potential of many animal manures is lower. 30% porosity is great for airflow.
Very interesting aspect.
Incredible all this energy that seems being produced !! Thanks !! Isn't it possible to use the heat generated to aerate the pile ? With peltier device, after starting the system so it is enough hot.. Otherwise, with trompes systems, when you have enough rain/water/grey water flow, you can use its energy to pull or push gas through the pile.
I have never used a peltier device, but it could be a great idea. These types of bins can actually self aerate very well, where the heat produced inside the box rises, comes out the top and draws the cold air in from the bottom. Depending on the porosity of the mix and the energy in the material, it is possible to maintain a minimum of 18% oxygen in the bin.
Hello Mr john , I am looking for design specifications of this blue bin in your videos and comments.
I did also look you up on the internet but I can't find any information , may you provide us with something so we can use the method as well for our communities?
really appreciate your effort and contribution to our knowledge.
thank you for your comments! My goal is to provide the principles of the composting process and give some examples of what is possible. A successful composting process is not only about bin design, but understanding the microbiology and the conditions required for good composting. You are welcome to email me at transform@telus.net.
@@TransformCompost thank you! I will prepare my design and purpose of it and contact you for feed back :)
Sounds great, there is joy and satisfaction when you can figure it out and it all comes together!
I really like the actively aerated piles! I was wanting to make one too, (I have a whole design and I did all the math correctly), but the thing that really troubled me was I calculated for how much air I needed for peak composting, but since the composting process isn't linear, I had no way of telling what I could do to make sure the amount of air that was going into the pile was correct. My main concern was just making it so that I had 6ppms of O2 at all times to make sure the pile didn't go facultative or pure anaerobic.
Hi Jacob, Figuring how much air is required is not a simple calculation, and, assuming that there is adequate porosity in the mix, depends primarily on the available energy in the material being composted. My experience is that 6 ppm O2 is too low for potentially odorous material such as food waste. Have fun with it!
@@TransformCompost In your experience, what would you say is the minimum amount of oxygen to prevent odor? If I had a compost pile where an automatic blower would turn on based on O2 exposure, what would be the min ppms of O2? Im making this compost for my garden so i'm not too concerned with weed killing as I typically never use any substances contaminated with weeds. And if there are weeds, i don't mind them really (unless they are geophytes). Porosity is pretty high as I typically use 30% biochar for the piles i have tried to make, some with more luck than others.
@@jacobfurnish7450 For larger piles, the recommendation is at least 15% oxygen to minimize the risk of odor. I find that it also depends on the odor potential of the material being composted as well. Food waste has a high odor potential, whereas the odor potential of many animal manures is lower. 30% porosity is great for airflow.