Yes, it's called water displacement. When water displaces the air inside the pores causing it to bubble.👍

And it only takes a very tiny amount of something in the water to poison.

There are a lot of organic chemicals that activated carbon can adsorb. But it cannot adsorb all types of chemicals.

Hi, I make carbon from palm kernel shell. I will like us to collaborate and see what quality we will get.

You just have to wash and rinse it with demineralized water.

No..

Hi! It's plain tap water. The air inside the pores is displaced by the water.

Adsorption process

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Hi Roman! Activated Carbon does the same in the video to gold in cyanide solution. In gold leaching, gold is dissolved with cyanide. Once it is dissolved you now have a gold cyanide solution. Gold in liquid form. The solution is then passed through or mixed with activated carbon. Activated Carbon adsorbs the gold. Now you have carbon that is loaded with gold. You can either burn the carbon and recover gold. Or you can have the gold undergo electrolysis and separate the gold from the carbon and reuse the carbon.

Yes even my filtered water has tiny particles

i guess no

You can pre wash the carbon you are using. It just might be carbon fines sticking to the walls.

Hi Pooja! Yes, activated carbon is used for removing trace colours or dyes. Also it depends on the type of dye.

hello Dear friends Good day.We manufactured GCA,CAC,GPC,CPC,Silicon Carbide,Graphite Electrode Scrap / Powder/ Granules.Calcium Aluminate Silicon Metal,Ferro Silicon, graphite Electrode if you interested pls contact us MOB:0086-18322780850

hello Dear friends Good day .We manufactured GCA,CAC,GPC,CPC,Silicon Carbide,Graphite Electrode Scrap / Powder/ Granules.Calcium Aluminate Silicon Metal,Ferro Silicon, graphite Electrode if you interested pls contact us MOB:0086-18322780850

hello Dear friends Good day .We manufactured GCA,CAC,GPC,CPC,Silicon Carbide,Graphite Electrode Scrap / Powder/ Granules.Calcium Aluminate Silicon Metal,Ferro Silicon, graphite Electrode if you interested pls contact us MOB:0086-18322780850 skype: live:7adfe4a0eb432faf

Hi Ranajit! We are based in the Philippines.

Hi Kevin! Just normal tap water.

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Thank you so much for posting this. It was very helpful for a school project. Thank you again.

No, it will filter out the chlorine and it can approximately adsorb equivalent of 1/3 of its mass so I guess it won't last long

@@michawolski2584 Why do I need chlorine in my pool?

If a fish can't survive in it. Then im not swimming in it lol

@mic cim i thought it's the oxygen that kills bacteria?

Hi Katerina! Most activated carbon from pharmacies are in very fine powder form. Because they are too fine, the particles float on water and the air displacement happens on the surface and quickly.

At the place where they SELL actual carbon pieces

Ebay

Hi! Its a paper filter.

@@juniormf575 Thx!

Nishtha Pathania ,: yes, actually there are few air purifiers that can filter out VOC by carbon filter. Any larger particles can be filtered via HEPA filter.

Hi! Activated Carbon bubbles due to the principle of air displacement. When carbon is activated pores are developed. These pores fill with air and once submerged in liquid the air is displaced by liquid.

Hi! Activated carbon bubbles due to air displacement. Yes, food coloring can also work with this demo.

@@juniormf575 what is the food coloring for and did the methylene blue actually activate the charcoal? Does that mean food coloring will activate it too?

Can i ask you somethig? I bought activated carbon from pharmacy and i tried this at home but it doesn't bubble at all, i have two types, one is like capsule the other is tablette ,and i put them in regular water but they just don't bubble...so are they selling us nonactivated carbon or even worse something else? Please answer

@@crowpatrick medical activated carbon has starch or sticking material in it, probably that is not letting it to bubble.

1) Carbon fiber is dangerous for the same reason asbestos fiber or any other dust can be dangerous. It can damage lung tissue, and due to constant abrasion from breathing, can cause DNA damage that can lead to cancer. Activated charcoal works similarly to a molecular sieve. It traps larger molecules (typically organic compounds) in its pores while letting smaller ones pass though. 2) Activated carbon is typically stored in a anhydrous (dry) state, so when it is placed in water, it releases its air. Charcoal still has tar and oils in it, making it hydrophobic.

Ωmega Man wow! How do you know so much about carbon?

@Sir Fa Some extrapolation from the SDS as well as general knowledge from personal use. Carbon fiber is stable when not oxidized (which causes it to heat up and burn), and causes similar symptoms to fiberglass, which is quite analogues.

Ωmega Man what is SDS?

@Sir Fa Safety Data Sheet. It has general hazard & safety information on specific products and chemicals, as well as its composition.

Lol it’s charcoal broken appart a lot so... don’t worry about it

It can last forever if stored properly. Its adsorption power will not decrease as long as its pores are not saturated with what it can catch in the open environment.