Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Recycling End-of-life Polycarbonate in Steelmaking; $\textit{Ab Initio}$
  Study of Carbon Dissolution in Molten Iron   The scarcity of fossil fuels as carbon resources has motivated the
steelmaking industry to search for new carbon sources such as end-of-life
polymeric products. Using $\textit{ab initio}$ molecular dynamics simulation,
we demonstrate that 41% of polycarbonate's carbon content is readily dissolved
in molten iron's interface at $T$ = 1823 K which is comparable to graphite with
$\sim$ 58% carbon content dissolution. More importantly, we demonstrate that
polycarbonate's hydrogen content does not dissolve in molten iron but rather
escape in gaseous form. Therefore, waste polycarbonate constitutes a feasible
carbon source for steelmaking.

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The categories of this paper are: cmp-lg
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
27
The categories of this paper are: comp-gas
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The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin
22
The categories of this paper are: chao-dyn
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The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
20
The categories of this paper are: acc-phys
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The categories of this paper are: hep-th
5
The categories of this paper are: gr-qc
2
The categories of this paper are: math