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Questions tagged [pyrolysis]

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4 votes
0 answers
171 views

How predictable are the decomposition temperatures of trithiocarbonates?

How do the following parameters: Ionic radius of a cation. Oxidation number of a cation. Noble metal cation vs alkali metal cation. Something else that I may not know about. affect the decomposition ...
Paul Kolk's user avatar
0 votes
1 answer
165 views

Products formed upon pyrolysis of alkanes

What sort of products will be formed when we subject a higher alkane (say decane) to pyrolysis by heating at 773-973 K in the presence of $\ce{H2/Ni}$? I know that lower aliphatic alkanes and alkenes ...
calcandquant's user avatar
2 votes
0 answers
58 views

High-temperature interactions with salts on nichrome wire

I'm working on creating aluminium-doped zinc oxide (AZO) thin films, but instead of the usual glass substrate, I want to try this on a fine nichrome wire. I'm using a mix of zinc acetate $\ce{Zn(...
Thomas Pluck's user avatar
-1 votes
1 answer
83 views

Creating a Simplified Model for Temperature Change in Auto-Ignition of A4 Office Paper [closed]

When paper reached a certain temperature, auto-ignition occurs, and then there is a process that makes the temperature rise to around 1000 to 1500 Celsius degrees. How can I make a simplified model ...
LaTap's user avatar
  • 3
1 vote
0 answers
228 views

Chemical equation of wood to charcoal pyrolysis

The equation for the perfect burning of wood is approximately: $$\ce{C_xH_yO_z + VOCs + O2 -> CO2 + H2O + volatiles + heat}$$ Where $\ce{C_xH_yO_z}$ represents the cellulose and lignin and VOCs are ...
Adrien Hingert's user avatar
1 vote
0 answers
36 views

What carbonaceous form would result from pyrolysing HMW hydrocarbons and powdered biochar together?

I understand that charcoal/biochar are mostly "amorphous carbon," and that the production of graphite via pyrolysis requires using a <60% C feedstock that will exists in liquid phase ...
Robherc KV5ROB's user avatar
3 votes
1 answer
112 views

Safe disposal of pyrolysis side products in production of wood gas

I am in the process of building a pyrolysis chamber producing wood gas for use in a generator. The process involves heating a batch of biomass (wood) in absence of oxygen (air) in a closed vessel, and ...
Elmore's user avatar
  • 139
2 votes
1 answer
328 views

Would wood turn into charcoal faster if it is burned in a pressurized environment?

It is very easy to make charcoal from firewood and there are many tutorials about this online. However they all state that the process of turning firewood into charcoal can take atleast 3 to 4 hours. ...
Maurice's user avatar
  • 119
-1 votes
1 answer
276 views

Why pyrolysis of C6H10 doesn't give C5H10 + CH4 [closed]

In my book it's given pyrolysis of C6H14 gives C6H12 + H2 Or C4H8 + C2H6 Or C3H6+C2H4+ CH4 ( as it gives atleast one alkene) but there are other possible alkenes as well such as C5H10.
anonymous's user avatar
2 votes
1 answer
135 views

Trial by fire: Safely heating sand without it agglomerating?

Wikipidia quotes a melting point of 1713C for sand. I went on the beach to get some sand. I assume it's a mix of all kinds of stuff. The finality is to prepare a big pile of clean sand to use as ...
Hans's user avatar
  • 1,097
0 votes
1 answer
1k views

Can you separate CO2 into carbon and oxygen using pyrolysis? [duplicate]

I recently read about a pyrolysis process that separates methane into Carbon and Hydrogen. The basic technology/process is you have a vertical column of super-heated liquid metal and you inject ...
Lee's user avatar
  • 29
2 votes
1 answer
608 views

Make Acetic Acid from wood

I would like to know if it would be possible to make Acetic Acid from Wood. I know that you can charcoal wood to get the gases, cool it, and get the liquid. This would yield a bunch of chemicals in a ...
Salmoncatt's user avatar
0 votes
0 answers
254 views

Difference between calcination, roasting and pyrolysis

Hie everyone. I have been going through pyrometallurgical processes for recycling lithium-ion batteries and l have been coming across these terms; calcination, pyrolysis and roasting which l need ...
bryanmaks's user avatar
2 votes
1 answer
628 views

Pyrolysis of calcium chloride dihydrate

Does the pyrolysis of $\ce{CaCl2 · 2 H2O}$ give $\ce{CaCl2 + 2 H2O}$ or $\ce{Ca(OH)2 + 2 HCl}?$
Just A Young Artist's user avatar
2 votes
1 answer
199 views

Is the pyrolysis of tetrachloroaluminate(III) anion possible?

Wikipedia says that lithium tetrafluoroborate decomposes to lithium fluoride and boron trifluoride when heated. Does the same hold for sodium tetrachloroaluminate (all anhydrous) as well?
Just A Young Artist's user avatar

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