blob: 6d10a133e44b191afb5b4728dfd59bd9d8284ee4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
<?xml version="1.0" encoding="iso-8859-1"?>
<process xmlns="http://www.tangiblebit.org/xml/process-1.0.dtd" xmlns:dc="http://purl.org/dc/elements/1.1/">
<name>Hall-Héroult process</name>
<description>The Hall-Héroult process is the major industrial process for the production of aluminium. It involves dissolving alumina in molten cryolite, and electrolysing the solution to obtain pure aluminium metal.</description>
<dc>
<!-- Dublin core metadata -->
</dc>
<inputs>
<!-- Materials could also use 'rel' tags to reference other files-->
<material>
<material:name>Alumina</material:name>
<material:formula>Al2O3</material:formula>
</material>
<material>
<material:name>Cryolite</material:name>
<material:formula>Na3AlF6</material:formula>
</material>
<material>
<material:name>Aluminum fluoride</material:name>
<material:formula>AlF3</material:formula>
</material>
<!-- Not necessarily just material inputs... or outputs... -->
<electricity>
<voltage>110kV</voltage>
<current>340kA</voltage>
</electricity>
</inputs>
<outputs>
<material>
<material:name>Aluminum</material:name>
<material:formula>Al</material:formula>
<material:phase>liquid</material:phase>
</material>
<material>
<material:name>Hydrogen fluoride</material:name>
<material:formula>HF</material:formula>
<material:phase>gas</material:phase>
</material>
<material>
<material:name>Carbon dioxide</material:name>
<material:formula>CO2</material:formula>
<material:phase>gas</material:phase>
</material>
</outputs>
<!-- Various other specifics of the process -->
</process>
|
