How do you make Pure Carbon?

Question

My brother wants to know...

Answer 1

Carbon is one of the primary elements on the periodic table so there is no way to make it Unless you have a medium sized star available and want to collect it an atom at a time, however carbon can be chemical distilled from shale, carbon mon / di oxide or as part of the distilling process of crude oil. all of which i would expect to be out of the price range of a single individual. So what do you need to ask what you want carbon for and does it need to be that pure

Answer 2

Activated charcoal is almost pure carbon, so if you need some, there is no need to go any further than down to your local pet shop and ask for some aquarium filter carbon. They usually make activated charcoal by heating regular charcoal in a closed container with superheated steam. Regular charcoal is made mostly from sawdust, or waste wood. It is baked in a sealed metal oven with almost no air, which drives off the sap, moisture, and other chemicals. Adding the steam will cause the water in the steam to combine with nearly all the remaining impurities, so that what is left is highly purified carbon.

If you have an old oil lamp, and you hang over the chimney a glass container filled with water (for cooling), soot will collect on the bottom of the glass container. Soot is also almost pure carbon; in fact, by grinding it and mixing it with a little water, you can make India ink.

Diamonds are pure carbon (Ah, now we’re getting to the interesting part! That’s the one you really wanted to know about, isn’t it?) You take a metal chamber, and put a tray in it, containing ‘seed’ diamonds. They are little chips of diamond which you have cut from a larger diamond, which contain no flaws that you can find, and thus, practically no impurities. Then, you seal the chamber, and remove all the air from it. (This is a necessary step, otherwise it won’t work!)

Then you introduce methane gas into the chamber. Methane has the chemical formula CH4, which means that there is one carbon atom with four hydrogen atoms attached to it. When it is filled to the right pressure (measures in psi, pounds per square inch, like the air pressure in your bike tires), the methane must be bombarded with microwaves. Not microwave ovens! But the same kind of energy they generate. I can’t explain how that works, right now.

The microwaves cause the methane to break down into hydrogen gas and carbon vapor (it gets very hot while this happens.) The hydrogen gas just floats around, filing up the chamber, while the carbon vapor starts to form frost crystals—just like the frost crystals on your windshield on a cold winter morning—except that these are diamond frost crystals, because diamonds are made of carbon. Although it is hot in the chamber, it is carefully set to the right combination of pressure and temperature to allow carbon to exist as a vapor and a solid at the same time (This is called the ‘triple point’ of carbon, if you want to impress your science teacher.)

So, what happens to the seed diamonds we put in the chamber in the first place…? They have all this carbon vapor piling up on them, growing diamond frost crystals. Since diamonds are already carbon crystals, they grow bigger! That is how we can make man-made diamonds, staring with seed diamonds and making them grow.

I hope this tells you want you wanted to know. I’m sorry, I can’t tell you how to make diamonds at home. If I had the machinery, I’d do it myself.

30 JAN 07, 2125 hrs, GMT.

Answer 3

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Because a diamond is only a certain conformation of a group of carbon atoms. In a diamond, carbons align forming a superstructure of base 4 links that is extremely stable (that's why it is so hard to break]. Why it is not on the periodic table? Simple. It is a compound. Chemically, a diamond is C4, just like Ozone is O3, or Sulphuric Acid is H2SO4, and you don't see compounds in the table, just elements, even if compounds only contain one element.

Answer 4

Go buy a diamond...pure carbon...
Graphite, yeah good source too.
Carbon is an element, can't be made short of nuclear fusion/fission reactions. Some things can be used to get carbon though, such as the things I listed above.
Steelworks use coal and coal derivatives ("Coke") to put carbon with iron to get steel.
Just some ideas...

Answer 5

I'm affraid cdf-rom was right in his explination of activated charcoal. My bro works at a charcoal factory in the NE and manufactures goods for the forces, ie NBC suit linings etc and its the most pure form of carbon you can make without high temperature and high pressure.Carbon needs both these qualities to produce (diamond/graphite) whitch are the purest forms of carbon.

Answer 6

There were so many woodworking plans with this collection and you will not believe this but there are over thousands plans in the one package deal. Go here https://tr.im/10WEn
This is really something to find that many all together. For someone like me who is just really starting to get involved with woodworking this was like letting me loose in a candy store and telling me I could have anything I wanted. That was my dream when I was a kid.