Technology

Pyrolysium promotes the pyrolysis of human remains and burying the resulting biochar.

How it’s done.

The bodily remains are placed in a steel chamber with a valve that let the gases that are formed escape, but prevent oxygen to enter the chamber. Outside the chamber the temperature is increased, pyrolysis starts when the temperature is above 350 degrees centigrade in absence of oxygen.

To be as efficient as possible with external energy two stages can be considered.

  • Firstly the evaporation of water. A human body-mass consist for roughly 70% of water by heating the pyrolysis chamber above 60 centigrade most of the bacteria stop functioning and the water content can evaporate. In principle all the water that is not locked up in chemical bonds can be made to evaporate.
  • In the second stage the temperature is raised above the 350 degrees so that the hydrogen-bonds are broken. In this stage H2 hydrogen gas mixed with water vapor and volatile carbon based gases are released. This gas mixture can be used to assist the heating process. After a period no more gas is being released and the pyrolysis process is finished and the remains can be removed.
Home made biochar the structure is visible

Speculation at this moment based on the experiments with wood is that the bodily remains remains recognizable, there is no disturbance by fire or air moving around. Depending on the fat content of the corpse a portion of the fat evaporates as acrolein. The amount of biochar is thus less than the theoretical 180 gram pure carbon per kilo body-mass that went into the chamber. The remains, witch are very brittle, are crumbled into unrecognizable parts and the metal parts(dental and prostheses) can be removed.

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