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Soda Lime Carbon Dioxide Absorption Products

Premier Chemicals is the European distributor for Intersurgical’s carbon dioxide (CO2) absorbent soda lime products aimed at industrial and diving applications  – Intersorb® 812,  Intersorb® 408 and Spherasorb® 408.

Soda lime
Soda lime is a chemical absorbent, containing mainly calcium hydroxide - Ca(OH)2 – and water. The calcium hydroxide reacts with CO2 to form calcium carbonate which is retained within the soda lime absorbent bed.
Soda lime is generally graded by the particle size of the individual granules. In general, for a given volume of soda lime, a smaller particle size material will provide greater CO2 absorption capacity than a larger particle size material. However, the rate of flow of gas through the soda lime absorbent bed must also be taken into to account in the specific application due to potential problems with pressure drop (restricted gas flow).

Products
Intersorb® 812 (8-12 Mesh particle size) and Intersorb® 408 (4-8 Mesh particle size) are conventional soda lime Carbon Dioxide (CO2) absorbents comprised of short porous strands.
Intersorb 812 Click for larger image
Spherasorb® 408 is a spherical shaped soda lime, with a 4–8 mesh particle size. The combination of the spherical shape and particle size leads to good packing within the absorber/scrubber unit, very low dust levels and relatively low breathing resistance.

Spherasorb 408 Click for larger image
All products are available in non-indicating (NI) and indicating (WV)* forms
*WV – white to violet colour change with CO2 absorption

 
Applications
There are numerous applications which use soda lime for the removal of Carbon Dioxide. These include, but are not limited to:-
Diving – Rebreathers (CCR’s), saturation dive systems for commercial subsea applications. Follow this link to visit our dedicated rebreather soda lime website
Mining – Closed circuit breathing apparatus, mine refuge chambers
Military – Rebreathers, submarine atmosphere purification,
Industrial – Compressed air purification, petrochemical (acid gas removal)


 
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