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DIY Cold-Climate Biogas Unit w/David House & SF Permaculture Guild Mtg
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Date:
Wednesday, August 02, 2017
Time:
7:00 PM
-
9:00 PM
Event Type:
Speaker
Organizer/Author:
SF Permaculture Guild
Location Details:
The Gazebo Room, California Pacific Medical Center, Davies Campus
The Gazebo is on the 1st floor of the South Tower. The South Tower is straight ahead as you enter the driveway. The driveway entrance is in the middle of Castro Street between 14th and Duboce Streets. You’ll see the entrance to the campus on your left. It’s the building that has the big lighted EMERGENCY ENTRANCE sign. If you enter on the ground floor, take the elevator UP to the first floor.
If you come by public transportation, take the N Judah to the Duboce Street stop and walk up towards Castro. If you drive, there’s a parking lot at the end of the driveway on your right, or you can try to find someplace on the street before entering the driveway.
The Gazebo is on the 1st floor of the South Tower. The South Tower is straight ahead as you enter the driveway. The driveway entrance is in the middle of Castro Street between 14th and Duboce Streets. You’ll see the entrance to the campus on your left. It’s the building that has the big lighted EMERGENCY ENTRANCE sign. If you enter on the ground floor, take the elevator UP to the first floor.
If you come by public transportation, take the N Judah to the Duboce Street stop and walk up towards Castro. If you drive, there’s a parking lot at the end of the driveway on your right, or you can try to find someplace on the street before entering the driveway.
Come to the permaculture guild gathering on August 2nd at 6:30pm to hear David House present on homescale biogas. Presentation starts at 7:00. Come for networking and food/seed sharing before and after.
Biogas, sometimes called “the cousin of composting,” is what you get when any organic material decomposes in the absence of oxygen (aka it’s anaerobic, vs composting which is aerobic). Biogas is made largely of methane, which is chemically identical to natural gas. Because of this, biogas is sometimes called renewable natural gas. In other words, its 100% natural, renewable energy from waste!
This talk is about how to build an entirely new type of “anaerobic digester” – a device that makes biogas, and a nutrient-rich slurry that works well as an organic fertilizer (used by organic farmers in Europe for decades). What’s new about this digester is that it can be built very cheaply, with materials entirely from Home Depot (or a similar store), AND will work in cold climates, year-round.
David House has been working with biogas for 30+ years, and wrote what many consider to be the “Bible of Biogas,” The Complete Biogas Handbook, as well as Methane Systems, and numerous articles about biogas. He has been experimenting with biogas and designing biodigesters since the 1970s. He is the designer of a low-cost (less than $700 for materials), kit-able, shippable, insulated, 2-square-meter biogas digester for temperate latitudes (i.e. can be used in the United States) and is also the designer of a low-cost, plastic-bag-based biogas digester for equatorial belt countries. Previously he was the founder of Earthmind, an educational non-profit teaching about ecological living, as well as Computer Classroom, ici (computer sales), and an eponymous computer consultancy.
The Gazebo Room, California Pacific Medical Center, Davies Campus (at 14th and Duboce)
Directions to the Gazebo:
http://www.cpmc.org/visiting/directions/directions-dav.html
Gathering Details
Gathering begins around 6:30 p.m. over food and networking – all are welcome to bring a potluck dish to share. Our guest speaker Karla will begin around 7 p.m. and discussion usually runs until about 9 p.m. All are welcome to attend.
Biogas, sometimes called “the cousin of composting,” is what you get when any organic material decomposes in the absence of oxygen (aka it’s anaerobic, vs composting which is aerobic). Biogas is made largely of methane, which is chemically identical to natural gas. Because of this, biogas is sometimes called renewable natural gas. In other words, its 100% natural, renewable energy from waste!
This talk is about how to build an entirely new type of “anaerobic digester” – a device that makes biogas, and a nutrient-rich slurry that works well as an organic fertilizer (used by organic farmers in Europe for decades). What’s new about this digester is that it can be built very cheaply, with materials entirely from Home Depot (or a similar store), AND will work in cold climates, year-round.
David House has been working with biogas for 30+ years, and wrote what many consider to be the “Bible of Biogas,” The Complete Biogas Handbook, as well as Methane Systems, and numerous articles about biogas. He has been experimenting with biogas and designing biodigesters since the 1970s. He is the designer of a low-cost (less than $700 for materials), kit-able, shippable, insulated, 2-square-meter biogas digester for temperate latitudes (i.e. can be used in the United States) and is also the designer of a low-cost, plastic-bag-based biogas digester for equatorial belt countries. Previously he was the founder of Earthmind, an educational non-profit teaching about ecological living, as well as Computer Classroom, ici (computer sales), and an eponymous computer consultancy.
The Gazebo Room, California Pacific Medical Center, Davies Campus (at 14th and Duboce)
Directions to the Gazebo:
http://www.cpmc.org/visiting/directions/directions-dav.html
Gathering Details
Gathering begins around 6:30 p.m. over food and networking – all are welcome to bring a potluck dish to share. Our guest speaker Karla will begin around 7 p.m. and discussion usually runs until about 9 p.m. All are welcome to attend.
For more information:
http://www.permaculture-sf.org/monthly-gui...
Added to the calendar on Fri, Jul 21, 2017 4:38PM
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