How To Make Activated Charcoal.

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Kargadan: Very interesting video, wish you would show the impregnation and acid washing process. just a few pointers to people doing this. it is best to chop the wood(or any biomass) down to 2mm bits before applying pyrolysis(burning without oxygen or low oxygen) i guess the Co2 fumes from the initial burning takes care of low oxygen atmosphere. it is better if you have a method of steering the wood or biomass as it is becoming charcoal to evenly distribute the heat. a motor placed on top of your system with a simple stirrer would do the job. impregnation with zinc chloride is proven to be more efficient, but be very careful as it is very very acidic(ph~1) definitely wear proper gloves and goggles, best done under fume hood or somewhere there is wind. acid washing is best done with Hcl (3 molar or 1 molar but for me 3 molar gave the best porosity). and then wash with water until pH becomes neutral and heat in oven at 215 degrees C for 24h. It would be interesting if you could do a micro - porosity test with your system to see what size pores you got with this method and the surface area which is most important in activated charcoal. 

Watch Ryder: Surely you can use soft-wood for charcoal as well???!!

David Hall: I'm confused about the lye thing .... If we can use activated hardwood coals to purify water it won't add harmful lye to drink like hardwood ashes can ? for like making soap? Can you explain the difference and why please ? 

Dan Holloway: Thank you Sir for the video and yes I do agree activated charcoal is wonderful stuff but I am a bit concerned that your description of the process of making it was somewhat incomplete. After reading the following it seems to me that carbonization is also need to activate the charcoal in addition to the chemical treatment. An ordinary household oven is not going to be hot enough to do the job. "Activated carbon is carbon produced from carbonaceous source materials. It can be produced by one of the following processes. Physical reactivation: The source material is developed into activated carbons using hot gases. This is generally done by using one or a combination of the following processes: Activation/Oxidation (carbonization): Raw material or carbonized material is exposed to oxidizing atmospheres (oxygen or steam) at temperatures above 250 °C, usually in the temperature range of 600–1200 °C. Chemical activation: Prior to carbonization, the raw material is impregnated with certain chemicals. The chemical is typically an acid, strong base, or a salt (phosphoric acid, potassium hydroxide, sodium hydroxide, calcium chloride, and zinc chloride 25%). Then, the raw material is carbonized at lower temperatures (450–900 °C). It is believed that the carbonization / activation step proceeds simultaneously with the chemical activation.". Refer to: 

Arka Biswas: start from 4:17 to save 4 minutes of your lives

mercury90hp: Im just fkn with ya.... But really, this video could have got its point across steaks.

EDGEAMAKATEDIDDIOT: MARINELAND Black Diamond Carbon is the crap

Abin Oommen George: what the freak is this he is wasting our time you can conclude it in 2 min

Camilo Pagés: Thanks for your video. One question: you say 25% CaCl2 and 75% water, but how much per gram of carbon? If I have 1 kg of carbon, how many liters of water+CaCl2?

mercury90hp: I wish I had a nickle for every time you said CHARKEL

Thomas Jayabhai: Thank you very much for the video which is very informative and will help me to produce activated charcoal. Could you please tell me – suppose if I use 250 grams of activated charcoal for filtering water which is not muddy, how many liters of water can I filter efficiently before the charcoal becomes weak. Thank you.

blondegaijin: what do you recommend as a cheap, reliable source of the calcium chloride? Thanks for the great video..!!! ^_^

Mariano Robledo Diaz: Is simple , the only question is what is the rate of charcol vesus the 75% to 25% but haw much charcol?? 5 pounds 10 or 20 pds? thank you

Stuart Beverly: Thank you I like the video.

Ist Geheim: How long is this activated charcoal storable, if you keep it dry? And is there a way to find out, wether it still has it's "activated characteristics" or not?

Abin Oommen George: freak he is taking 8 min to explain this

KiKi JahDore TheStylist: Thank you for this!

Daphne Fowler: Question... what about using charcoal that is already reduced... for instance : Then just adding the necessary chemicals and following the remaining steps. Will it work this way?

fuckofflalready: Cool. So how does one go about making "chem"?

Melvin Adkins: Also you can buy one cubic foot of it for from ninety to one hundred and fifty bucks. One cubic foot weighs 27 pounds. A pretty good investment considering the work that goes into making it and the quality is guaranteed. And....that is enough to last a lifetime for the normal survivalist.

John Wharton: Woody

blackhatter011: เป็นสาระทีหาดูหยาก

June Wheeler: thank you. I had no idea the different between active charcoal and raw charcoal. thanks again

Melvin Adkins: FYI...there is 2 to 9 million square feet of surface area in one pound of commercial GAC.

Cynthia Mobley: Great video! Thank you.

Cat the HerbalPrepper: Thanks, I appreciate the video. I use activated charcoal in drawing salves, and have been wondering how to make it if commercial resupply were not possible.

Stuart Beverly: cool

LIVER FLUSH MAN: Thanks for sharing and taking the time to make this video! Nice work!!!

shn lj: This isn't going to be a very effective product. Commercially the raw material (here oak) is granulated into smaller pieces and soaked in the salt solution first. Then it is heated to at least 500C in a low oxygen environment until carbonation is complete. High heat and low oxygen are key. That doesn't happen in a kitchen. This process might render some activation, but it's not going to be on par with commercially produced stuff. 20g will treat 500L of water for example. 20g of this stuff will not.

dave12546: you shouldn't make videos unless you're going to explain everything to detail, you'll just get people in a lot of trouble, what are you using for measurements, just guessing

no dillinger: i used a old lawn-mower with a fine1/4"to1/2" .grate welded on the bottom and a 6"wide and 2'long welded above the blade well like a big cuisinart also ran the exhaust 6' away you can add the CC while chopping the charcoal using a by weight formula and i do over a plastic gabage bin

froginthegreen: +LightestNebula9 Thanks for your time, effort and sharing . Good stuff .

comfortouch: Smoldering the wood also makes a lot of ash which needs to be filtered out of your charcoal before the activation process. To be more efficient with your wood, you should use a wood-gas stove to make the charcoal.

Matthew Stone: DIY Active Charcoal. Lot's of vids on making charcoal, very few on making it "active".

Noah Plaza: DIY Active Charcoal. Lot's of vids on making charcoal, very few on making it "active".

craziedde1: Interesting study. And carbon probably works as good detoxifier. By consuming all impurities. One concern would be to get it in the purest form... cleaned and without Calcium Chloride or Zinc Chloride.

LightestNebula9: I'm sorry your first comment was flagged as spam. I'm pretty sure I wasn't the one that did it. The charcoal should be submerged. It will soak it up and when you check on it in the 22-24 hour time period all of the liquid has been absorbed by the charcoal.

LightestNebula9: Really? Why did they do that? You are welcome and thanks for watching.

Tiger: Can you take bbq charcoal (like from Trader Joe's that claim it only has Wood and starch without any chemicals) and just crush it and go directly to the CaCl step?

Dan the man: Your dog was checking to make sure you weren't cooking up something good ha ha :^)


strata g: ok mate I had suspicion that was the case (common sense kicked in that very night) with a bit more research ive realised the solution is just a catalyst almost, makes perfect sense, as much as I can saturate in the solution. gotcha :-)

Mike Kennedy: is the calcium chloride a solution when you buy it or a solid?

Angie S: can i make this to filter my fish tank?

Storm Viking: Time to make some moon shine!

LightestNebula9: You're welcome.

narc2323: thank you brother you're the only one showing how its done

LightestNebula9: Thanks

beinganangeltreon: Wikipedia notes that a person could measure the filtering or absorption quality of activated carbon with a measue of how much "iodine" or "molasses" it absorbs Have you tried that I really appreciate the video. Is there a way to make activated carbon without CaCl? will any chloride, later rinsed out work? like nacl?

How to make Activated Charcoal. 4.3 out of 5

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