Re: [PSUBS-MAILIST] A question on rebreathers and scrubbers

[Warren Greenway <opensourcesub@yahoo.com>]

You hit the nail on the head. The additives are for color activation. What you are paying

for is the comfort of having a pro make it. An rechargeable rebreather can be make

by driving the water back out of the sofnolime with peltier coolers and draining the water

into a catch can.

 

Warren.

Ryan Johnson <tree_of_life_@hotmail.com> wrote:

> I have been doing a lot of searching trying to find out how rebreathers and 
> scrubbers work??? I have found that many companies use a product called 
> sofnolime
>
> The primary constituents of soda lime include Calcium Hydroxide - Ca(OH)2 
> (about 70-80%), Water - H2O (about 16 to 20%), Sodium Hydroxide - NaOH 
> (about 1-2%), and Potassium Hydroxide - KOH (about >0-1%).
>
> How different is this product from lime combined with water (Ca(OH)2 + CO2 = 
> CaCO3 + H2O)
>
> I realize that there is no NaOH in the second but I can't find a reason for 
> needing it to be there...
>
> Can anyone help me with this or point me in hte right direction.
>
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