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Sorbtion equipment represents a process of absorption of dissolved Na+ and K+ ions
in the mercerized pulp.
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Data Description
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Data |
Unit |
Description |
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Set |
Item |
Type |
Native |
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Equipment Properties |
Dissolved |
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The dissolved cations that are absorbed by the solid pulp
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Solid
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The species of solid pulp that absorb the ions from the liquid |
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Langmuir constants |
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The constants from the equation that describe the absorption for each ion. |
The Langmuir adsorption equation relates the adsorption of molecules on a solid
surface to concentration of a medium above the solid surface at a fixed temperature.
In this case the solid has two distinct fractions – the mercerized pulp (NaPulp,
KPulp) and the amorphous HPulp. There is an equilibrium between HPulp –
NaPulp and dissolved Na+ ions. Na+ ions can be absorbed in two ways:
HPulp + Na+ -> NaPulp + H+
NaPulp + Na+ -> 2 NaPulp
In the second case the fiber breaks, or it will have Na+ on both ends.
Note that the average degree of polymerization, representing the average number
of glucose units in the cellulose polymer, can range from 2000 to 14000.
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Missing Stream(s)!
Solution: check if all the streams are connected to the equipment
Warnings 