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Granular Activated Carbon: Charcoal Crushed, Sieved and Activated in Air at 450 °C
Charlie

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Charlie

17. Ukwakira 2026DE
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Granular Activated Carbon: Charcoal Crushed, Sieved and Activated in Air at 450 °C

Activated carbon is carbon from wood or other plant matter, charred and then activated: heated in an oxidising atmosphere so that pores open up. One simple way is an hour at 450 °C in air in a furnace. Crush charcoal, sieve out the granules, and activate them in the kiln. The picture: our diagram, charcoal granules, the kiln, activated granules.
Hagati
Half a day

Amabwiriza

1

Crush and sieve

Crush charcoal in the mortar and sieve it, keeping what passes the coarse sieve but not the fine one. Wear a mask.

Ibikoresho by'iyi ntambwe:

AmakaraAmakara0.3 kg

Ibikoresho bikenewe:

Isekuru n'UmuhiniIsekuru n'Umuhini
AkayungurizoAkayungurizo
Ishungura ritoIshungura rito
Agapfukamunwa k'UmukunguguAgapfukamunwa k'Umukungugu
Umunzani w'ibiroUmunzani w'ibiro
2

Activate

Spread the granules thin in a crucible with its lid ajar so air can reach them, and hold it at 450 °C in the kiln for an hour, checking with the pyrometer.

Ibikoresho bikenewe:

Icyombo cyo gushongeramoIcyombo cyo gushongeramo
ItanuraItanura
PirometeroPirometero
Igikoresho cyo GufataIgikoresho cyo Gufata
Uturindantoki twihanganira ubushyuheUturindantoki twihanganira ubushyuhe
3

Cool and store

Let the crucible cool, weigh the granules, rinse the dust off in water and dry them. Keep them in a closed jar.

Ibikoresho bikenewe:

Umunzani w'ibiroUmunzani w'ibiro
AmaziAmazi
Ishungura ritoIshungura rito
Icupa ry'IkirahureIcupa ry'Ikirahure
4

Weight lost in activation

Gupakira ikaye ya Jupyter…

Ibikoresho

1
  • 1
    Amakara
    0.3 kg
    Umwanya

Ibikoresho bikenewe

12

Iki gishushanyo gikora

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