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| A peek inside before sealing the door. In this burn, we added a layer of dried grass to the top to reduce the amount of diesel needed to initiate pyrolysis. |
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| White throated swifts riding the thermal from the heat from the chimney. The unit generates smoke for only the first 5 minutes as the fire begins to burn. |
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| Some finishing touches sealing the gaps around the pipes with ceramic insulation. In this photo, the three control systems (sprinklers, fan and air distribution, chimney baffles) are visible and also the thermocouples that provide insight into the state and progress of the reaction occurring within the oven. |
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| Making instant biochar with with the 650º C syngas that is coming out of the pipes. Really a form of fast pyrolysis, and a useful teaching tool to farmers in the community. |
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| A full batch of Guadua bamboo biochar. |
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| A side view of the crate with biochar. Though we increased the yield from the first run, there is still room for improvement as we strive for a hermetic seal using concrete, automotive silicon, ceramic insulation and local clay. |
The Great Cusco Tractor Hunt: Anta
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| Arriving in the agricultural community outside of Izcuchaca, which is outside of Anta. Vilcanota cordillera in the background. |
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| Farmers winnowing grains outside the workshop |
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| 90 HP Fiat. Fully operational. |
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| View of the rear end |
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| Leaving the workshop. |
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